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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/* $NoKeywords: $ */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// Copyright (c) 1993-2014 Robert McNeel &amp; Associates. All rights reserved.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// McNeel &amp; Associates.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED &quot;AS IS&quot; WITHOUT EXPRESS OR IMPLIED WARRANTY.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// MERCHANTABILITY ARE HEREBY DISCLAIMED.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// For complete openNURBS copyright information see &lt;http://www.opennurbs.org&gt;.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"></span>*/</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#if defined(OPENNURBS_INC_IN_PROGRESS)</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">///////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">// Including opennurbs.h must NEVER include this file.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment">///////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"></span><span class="preprocessor">#error Please read the comment above this line.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#if defined(ON_COMPILING_OPENNURBS)</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#if !defined(OPENNURBS_SUBD_UNSTABLE_CORE_AVAIALABLE)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#define OPENNURBS_SUBD_UNSTABLE_CORE_AVAIALABLE</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#if !defined(OPENNURBS_SUBD_UNSTABLE_CORE_AVAIALABLE)</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">///////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING </span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// The definitions in opennurbs_subd_data.h change randomly and unpredictably.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">// Never include this file in any code you write, even as a hack.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// If you ignore this warning, your code will crash randomly and unpredictably</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">///////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment"></span><span class="preprocessor">#error Please read the comment above this line.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor">#if !defined(OPENNURBS_SUBD_DATA_INC_)</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor">#define OPENNURBS_SUBD_DATA_INC_</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#if defined(OPENNURBS_SUBD_WIP)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment">// ON_SubDFaceNeighborhood</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="keyword">class </span>ON_CLASS ON_SubDFaceNeighborhood</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;{</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; ON_SubDFaceNeighborhood() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; ~ON_SubDFaceNeighborhood();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="comment">// initial face</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> ON_SubDFace* m_face0 = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="comment">// subdivision algorithm</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; ON_SubD::SubDType m_subd_type = ON_SubD::SubDType::Unset;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// When the subd_type is ON_SubD::SubDType::QuadCatmullClark, </span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="comment">// the center vertex will be a smooth vertex with valence = m_face0-&gt;m_edge_count.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="comment">// The edges and faces are sorted radially and all faces are quads.</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// When the subd_type is ON_SubD::SubDType::TriLoopWarren and m_face0 is not a triangle,</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="comment">// m_center_vertex is a smooth vertex with valence = m_face0-&gt;m_edge_count. </span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment">// The edges and faces are sorted radially and all faces are tris.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="comment">// In all other cases, m_center_vertex is null.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">const</span> ON_SubDVertex* m_center_vertex1 = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// m_face1[] is a list of the subdivision faces that subdivide the</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// original face. When the subd_type is ON_SubD::SubDType::TriLoopWarren</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// and the initial face is a triangle, the first face is the interior</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// subdivision triangle. In all othr cases, m_face1 is identical</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">// to m_center_vertex1-&gt;m_faces[]. The m_next_face pointers are set so</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// that m_face1[i]-&gt;m_next_face = m_face1[i+1]. Note that</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// m_face1[m_face1_count-1]-&gt;m_next_face may not be null.</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_face1_count = 0;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDFace** m_face1 = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment"> Apply a single iteration of the subdivision algorithm to face</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment"> and save the results in this ON_SubDFaceNeighborhood. If a vertex</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="comment"> of the initial face is extraordinary, the limit point and normal </span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment"> are calculated from face and saved on the subdivision.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="comment"> The resulting section of a subdivision surface is suitable for</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"> limit surface and limit mesh evaluation of the original face.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"> The ON_SubDFaceNeighborhood is designed to be used to calculate</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment"> the limit surface and limit mesh for faces that have an extraordinary</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment"> number of edges.</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordtype">bool</span> Subdivide(</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; ON_SubD::SubDType subd_type,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; );</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordtype">bool</span> TriSubdivideHelper(</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; );</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordtype">bool</span> QuadSubdivideHelper(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; );</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordtype">bool</span> ReserveCapacity(</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; ON_SubD::SubDType subd_type,</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; );</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; ON_SubD_FixedSizeHeap m_fsh;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;};</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment">// ON_SubDQuadNeighborhood</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="keyword">class </span>ON_CLASS ON_SubDQuadNeighborhood</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;{</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; ON_SubDQuadNeighborhood() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; ~ON_SubDQuadNeighborhood();</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">void</span> Internal_Destroy(<span class="keywordtype">bool</span> bReinitialize);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ON_SubDQuadNeighborhood(<span class="keyword">const</span> ON_SubDQuadNeighborhood&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; ON_SubDQuadNeighborhood&amp; operator=(<span class="keyword">const</span> ON_SubDQuadNeighborhood&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// true if the limit surface of the center quad is a smooth bi-cubic surface with CVs</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// at the m_vertex_grid[][] locations.</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordtype">bool</span> m_bIsCubicPatch = <span class="keyword">false</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_initial_subdivision_level = 0; <span class="comment">// parent SubD subdivsion level at source</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_current_subdivision_level = 0; <span class="comment">// current subdivision level of contents</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="comment">// m_face_grid[1][1] is extraordinary and interpolation through the limit point</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="comment">// will eventually be reqired to get an approximate cubic patch or an exact</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="comment">// quad mesh vertex.</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_extraordinary_corner_vertex_count = 0;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="comment">// m_bExtraordinaryCornerVertex[] = true if the corresponding corner vertex of </span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="comment">// the center quad is extraordinary.</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordtype">bool</span> m_bExtraordinaryCornerVertex[4]; </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="comment">// m_bExactCubicPatchCorner[] = true if the sub 4x4 grid of subdivision points</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="comment">// for the corresponding quadrant can be used to create an exact quadrant cubic patch.</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_exact_quadrant_patch_count = 0;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordtype">bool</span> m_bExactQuadrantPatch[4];</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="comment">// m_bBoundaryCrease[] = true if the corresponding m_center_edges[] is a crease</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="comment">// and both end vertices are not darts.</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_boundary_crease_count = 0;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordtype">bool</span> m_bBoundaryCrease[4];</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> m_reserved2 = 0;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">const</span> ON_SubDVertex* m_vertex_grid[4][4]; <span class="comment">// vertex net m_quad_face corners = ([1][1], [2][1], [2][2], [1][2])</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keyword">const</span> ON_SubDEdge* m_edge_grid[4][2];</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="comment">// m_face[][] is a 3x3 grid of faces.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// Center face</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="comment">// m_face[1][1] is the &quot;central&quot; quad face.</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="comment">// Side faces</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="comment">// Side faces are null if the edge is a crease or has 1 == m_face_count.</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">// m_face[1][0] = the neighbor across m_center_edges[0]</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// m_face[2][1] = the neighbor across m_center_edges[1]</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// m_face[1][2] = the neighbor across m_center_edges[2]</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// m_face[0][1] = the neighbor across m_center_edges[3]</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keyword">const</span> ON_SubDFace* m_face_grid[3][3];</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="comment">// edges of center face;</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// m_center_edge[0] connects m_vertex_grid[1][1] and m_vertex_grid[2][1]</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="comment">// m_center_edge[1] connects m_vertex_grid[2][1] and m_vertex_grid[2][2]</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="comment">// m_center_edge[2] connects m_vertex_grid[2][2] and m_vertex_grid[1][2]</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="comment">// m_center_edge[3] connects m_vertex_grid[1][2] and m_vertex_grid[1][1]</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keyword">const</span> ON_SubDEdge* m_center_edges[4]; </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="comment">// If not null, the storage for the referenced subd information is from m_fsh.</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keyword">class </span>ON_SubD_FixedSizeHeap* m_fsh = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="comment">// level 1 subdivision control points</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordtype">double</span> m_srf_cv1[5][5][3];</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;<span class="comment"> The center quad face m_face[1][1].</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keyword">const</span> ON_SubDFace* CenterQuad() <span class="keyword">const</span>;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keyword">const</span> ON_SubDVertex* CenterVertex(</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordtype">int</span> vi</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;<span class="comment"> fei - [in]</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;<span class="comment"> center quad face edge index (0 to 3)</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="comment"> A pointer to the neighbor face across m_face[1][1]-&gt;Edge(fei)</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;<span class="comment"> This face will be null if the edge is a crease or has 2 != m_face_count</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;<span class="comment"> m_face[0][1] = the neighbor across m_face[1][1]-&gt;Edge(0) or null if the Edge(0) is a crease.</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="comment"> m_face[1][2] = the neighbor across m_face[1][1]-&gt;Edge(1) or null if the Edge(1) is a crease</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="comment"> m_face[2][1] = the neighbor across m_face[1][1]-&gt;Edge(2) or null if the Edge(2) is a crease</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="comment"> m_face[1][0] = the neighbor across m_face[1][1]-&gt;Edge(3) or null if the Edge(3) is a crease</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keyword">const</span> ON_SubDFace* SideFace(</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fei</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="comment"> fei - [in]</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="comment"> center quad face vertex index (0 to 3)</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="comment"> A pointer to the neighbor face opposite m_face[1][1]-&gt;Vertex(fvi).</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;<span class="comment"> This face will be null if the vertex valence is not 4 or any of its edges are creases.</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;<span class="comment"> m_face[0][0] = the neighbor diagonal from m_face[1][1]-&gt;Vertex(0)</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;<span class="comment"> m_face[0][2] = the neighbor diagonal from m_face[1][1]-&gt;Vertex(1)</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;<span class="comment"> m_face[2][2] = the neighbor diagonal from m_face[1][1]-&gt;Vertex(2)</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;<span class="comment"> m_face[2][0] = the neighbor diagonal from m_face[1][1]-&gt;Vertex(3)</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="keyword">const</span> ON_SubDFace* CornerFace(</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fvi</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordtype">bool</span> Set(</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="keyword">const</span> ON_SubDFace* center_quad_face</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; );</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;<span class="comment"> Clear current settings so the ON_SubDQuadNeighborhood can be reused.</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;<span class="comment"> subd_quad_nbd - [in/out]</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;<span class="comment"> ON_SubDQuadNeighborhood to clear.</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;<span class="comment"> bRetainFixedSizeHeap - [in]</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;<span class="comment"> The m_fsh heap is always reset. When bRetainFixedSizeHeap is true,</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;<span class="comment"> m_fsh is not set to nullptr.</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> Clear(</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; ON_SubDQuadNeighborhood* subd_quad_nbd,</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keywordtype">bool</span> bRetainFixedSizeHeap</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; );</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordtype">bool</span> IsValid() <span class="keyword">const</span>;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keywordtype">bool</span> IsSet()<span class="keyword"> const</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordflow">return</span> (<span class="keyword">nullptr</span> != m_face_grid[1][1]);</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;<span class="comment"> Get the limit surface for the entrie quad</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordtype">bool</span> GetLimitSurfaceCV(</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="comment">//double srf_cv[4][4][3]</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordtype">double</span>* srf_cv,</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srf_cv_grid_size <span class="comment">// 4 or 5</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;<span class="comment"> Get the limit sub surface exact patch for the specifed corner.</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;<span class="comment"> true when srf_cv are set to a the CVs for a bicubic uniform cubic NURBS bispan patch</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordtype">bool</span> GetLimitSubSurfaceSinglePatchCV(</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fvi,</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordtype">double</span> srf_cv[4][4][3]</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; );</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160;<span class="comment"> unset_cv - [in]</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;<span class="comment"> If a patch cv srf_cv[j][j] does not exist or cannot be set, then all three</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;<span class="comment"> coordinates of srf_cv[j][j] are set to unset_cv. Use a value like</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;<span class="comment"> ON_UNSET_VALUE or ON_DBL_QNAN.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;<span class="comment"> bEnableApproximatePatch - [in]</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;<span class="comment"> If true, an approximate patches may be generated.</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;<span class="comment"> This parameter should be true only when all permitted subdivisions have</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;<span class="comment"> been performed and a mininimum of 2 subdivisions have been performed.</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;<span class="comment"> This insures all faces are quads and each quad has at most one extraordinary</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;<span class="comment"> vertex and the approximate patches will have C2 continuity with any</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160;<span class="comment"> neighboring exact patches.</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;<span class="comment"> srf_cv[5][5]</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160;<span class="comment"> CVs for a uniform cubic NURBS patch.</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;<span class="comment"> patch_type - [out]</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160;<span class="comment"> patch_type[0] </span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160;<span class="comment"> the type of cubic bispan for the 4x4 grid (srf_cv[0][0] ... srf_cv[3][3])</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160;<span class="comment"> patch_type[1] </span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;<span class="comment"> the type of cubic bispan for the 4x4 grid (srf_cv[1][0] ... srf_cv[4][3])</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;<span class="comment"> patch_type[2] </span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160;<span class="comment"> the type of cubic bispan for the 4x4 grid (srf_cv[1][1] ... srf_cv[4][4])</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160;<span class="comment"> patch_type[3] </span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;<span class="comment"> the type of cubic bispan for the 4x4 grid (srf_cv[0][1] ... srf_cv[3][4])</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160;<span class="comment"> 0 - 4:</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160;<span class="comment"> Number of bispans set in srf_cv[5][5]</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetLimitSubSurfaceMultiPatchCV(</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="keywordtype">double</span> unset_cv,</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="keywordtype">bool</span> bEnableApproximatePatch,</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; <span class="keywordtype">double</span> srf_cv[5][5][3],</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; ON_SubDLimitPatchFragment::PatchType patch_type[4]</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; );</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160;</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SetLimitSubSurfaceExactCVs(</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> quadrant_index <span class="comment">// 0,1,2,3 sets quadrant, 4 sets all non extraordinary patches</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; );</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;<span class="comment"> i - [in] (0 &lt;= i &lt; 5) </span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;<span class="comment"> j - [in] (0 &lt;= j &lt; 5)</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;<span class="comment"> srf_cv[i][j]</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;<span class="comment"> unset_cv - [in]</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;<span class="comment"> unset cv coordinate value</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;<span class="comment"> (uses when false is returned)</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160;<span class="comment"> approximate_cv - [out]</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;<span class="comment"> location for a cubic NURBS CV that will yield a smooth result but </span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;<span class="comment"> approximate the true subdivision surface. </span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="keywordtype">bool</span> GetApproximateCV(</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordtype">int</span> i,</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <span class="keywordtype">int</span> j,</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="keywordtype">double</span> unset_cv,</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <span class="keywordtype">double</span> approximate_cv[3]</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="comment">// After m_face_grid, m_vertex_grid, m_edge_grid and m_bBoundaryCrease[] are set,</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="comment">// this helper function sets the remaining information.</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="keywordtype">void</span> SetPatchStatus(</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fvi0</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; );</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="comment">// SetPatchStatus() uses this helper to set m_bIsCubicPatch</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="keywordtype">bool</span> VertexGridIsExactCubicPatch(</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="keyword">const</span> ON_2dex min_face_grid_dex,</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="keyword">const</span> ON_2dex max_face_grid_dex,</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> boundary_corner_index</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160;</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160;<span class="comment"> Apply a single iteration of the built-in quad subdivision algorithm to</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160;<span class="comment"> this.</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordtype">bool</span> Subdivide(</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> q0fvi,</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; ON_SubD_FixedSizeHeap&amp; fsh,</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; <span class="keyword">class</span> ON_SubDQuadNeighborhood* q1ft</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160;</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="keyword">static</span> ON_2dex GridDex(</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> grid_size,</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> corner_index,</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i,</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; );</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160;</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="keyword">static</span> ON_2dex DeltaDex(</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> corner_index,</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; <span class="keywordtype">int</span> delta_i,</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; <span class="keywordtype">int</span> delta_j</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; );</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> GetSubdivisionPoint(</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="keyword">const</span> ON_SubDVertex* vertex,</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; <span class="keywordtype">double</span> P1[3]</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; );</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160;</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> GetLimitPoint(</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="keyword">const</span> ON_SubDVertex* vertex,</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="keywordtype">double</span> limitP[3],</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; <span class="keywordtype">double</span> limitN[3]</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; );</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160;</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> GetSubdivisionPoint(</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keyword">const</span> ON_SubDEdge* edge,</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="keywordtype">double</span> P1[3]</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; );</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160;</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> GetSubdivisionPoint(</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; <span class="keyword">const</span> ON_SubDFace* face,</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="keywordtype">double</span> P1[3]</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; );</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160;};</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160;</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160;<span class="preprocessor">#if defined(ON_COMPILING_OPENNURBS)</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160;<span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;<span class="comment">// Implementation of subdivision surface</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160;<span class="comment">// </span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160;<span class="comment">// This implementation will change randomly and unpredictably.</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160;<span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160;<span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160;<span class="comment">// ON_SubDIncrementErrorCount() </span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160;<span class="comment">// Appears in places where the code traps error conditions.</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160;<span class="comment">// Putting a breakpoint on the line indicated below is an easy way</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160;<span class="comment">// to have the debugger break on all error conditions and inspect</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160;<span class="comment">// the first place something goes wrong in a complex calculation.</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160;<span class="keywordtype">void</span> ON_SubDIncrementErrorCount(); <span class="comment">// defined in opennurbs_subd.cpp</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160;<span class="preprocessor">#define ON_SUBD_RETURN_ERROR(rc) (ON_SubDIncrementErrorCount(),rc)</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160;<span class="preprocessor">#define ON_SUBD_ERROR(msg) (ON_SubDIncrementErrorCount(),ON_ERROR(msg))</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160;<span class="comment">// ON_SubDEdgePtr and ON_SubDFacePtr are unsigned ints that store a </span></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160;<span class="comment">// pointer to an ON_SubDEdge or ON_SubDFace along with a bit that </span></div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160;<span class="comment">// is 0 or 1 which is used to indicate the end of the edge that is </span></div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160;<span class="comment">// the &quot;start&quot; or if an edge is &quot;reversed&quot; along the side of a face.</span></div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160;<span class="comment">// This code assumes that ON_SubDVertex, ON_SubDEdge, and ON_SubDFace</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160;<span class="comment">// classes begin on an 8 bytes boundary because they contain doubles.</span></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160;<span class="comment">// If this assumption is false, you will get lots of crashes.</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_MARK_MASK (0x1U)</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_TYPE_MASK (0x6U)</span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_FLAGS_MASK (0x7U)</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160;<span class="preprocessor">#if (8 == ON_SIZEOF_POINTER)</span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_POINTER_MASK (0xFFFFFFFFFFFFFFF8ULL)</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_POINTER_MASK (0xFFFFFFF8U)</span></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160;</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_TYPE_VERTEX (0x2U)</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_TYPE_EDGE (0x4U)</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_TYPE_FACE (0x6U)</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160;</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_POINTER(p) ((void*)((p) &amp; ON_SUBD_ELEMENT_POINTER_MASK))</span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_MARK(p) ((p) &amp; ON_SUBD_ELEMENT_MARK_MASK)</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_TYPE(p) ((p) &amp; ON_SUBD_ELEMENT_TYPE_MASK)</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160;<span class="preprocessor">#define ON_SUBD_ELEMENT_FLAGS(p) ((p) &amp; ON_SUBD_ELEMENT_FLAGS_MASK)</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160;</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160;<span class="preprocessor">#define ON_SUBD_VERTEX_POINTER(p) ((class ON_SubDVertex*)ON_SUBD_ELEMENT_POINTER(p))</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160;<span class="preprocessor">#define ON_SUBD_VERTEX_MARK(p) ON_SUBD_ELEMENT_MARK(p)</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160;<span class="preprocessor">#define ON_SUBD_EDGE_POINTER(p) ((class ON_SubDEdge*)ON_SUBD_ELEMENT_POINTER(p))</span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160;<span class="preprocessor">#define ON_SUBD_FACE_POINTER(p) ((class ON_SubDFace*)ON_SUBD_ELEMENT_POINTER(p))</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160;</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>&#160;<span class="preprocessor">#define ON_SUBD_EDGE_DIRECTION(p) ON_SUBD_ELEMENT_MARK(p)</span></div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>&#160;<span class="preprocessor">#define ON_SUBD_FACE_DIRECTION(p) ON_SUBD_ELEMENT_MARK(p)</span></div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160;</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>&#160;<span class="comment">// m_saved_points_flags</span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_TYPE_MASK (0x1FU)</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>&#160;</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_POINT_FLAG_MASK (0x20U)</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_DISPLACEMENT_FLAG_MASK (0x40U)</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_LIMIT_FLAG_MASK (0x80U)</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_FLAGS_MASK (ON_SUBD_CACHE_POINT_FLAG_MASK|ON_SUBD_CACHE_DISPLACEMENT_FLAG_MASK|ON_SUBD_CACHE_LIMIT_FLAG_MASK)</span></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160;</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_TYPE(cache_subd_flags) (ON_SUBD_CACHE_TYPE_MASK&amp;(cache_subd_flags))</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_FLAGS(cache_subd_flags) (ON_SUBD_CACHE_FLAGS_MASK&amp;(cache_subd_flags))</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_POINT_FLAG(cache_subd_flags) (ON_SUBD_CACHE_POINT_FLAG_MASK&amp;(cache_subd_flags))</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_DISPLACEMENT_FLAG(cache_subd_flags) (ON_SUBD_CACHE_DISPLACEMENT_FLAG_MASK&amp;(cache_subd_flags))</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_LIMIT_FLAG(cache_subd_flags) (ON_SUBD_CACHE_LIMIT_FLAG_MASK&amp;(cache_subd_flags))</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160;</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_CLEAR_POINT_FLAG(cache_subd_flags) (cache_subd_flags &amp;= (ON_SUBD_CACHE_TYPE_MASK|ON_SUBD_CACHE_DISPLACEMENT_FLAG_MASK|ON_SUBD_CACHE_LIMIT_FLAG_MASK))</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_CLEAR_DISPLACEMENT_FLAG(cache_subd_flags) (cache_subd_flags &amp;= (ON_SUBD_CACHE_TYPE_MASK|ON_SUBD_CACHE_POINT_FLAG_MASK|ON_SUBD_CACHE_LIMIT_FLAG_MASK))</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160;<span class="preprocessor">#define ON_SUBD_CACHE_CLEAR_LIMIT_FLAG(cache_subd_flags) (cache_subd_flags &amp;= (ON_SUBD_CACHE_TYPE_MASK|ON_SUBD_CACHE_POINT_FLAG_MASK|ON_SUBD_CACHE_DISPLACEMENT_FLAG_MASK))</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160;<span class="comment">// ON_SubDAggregates</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160;<span class="keyword">class </span>ON_SubDAggregates</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160;{</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>&#160; <span class="keywordtype">void</span> UpdateBoundingBox(</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>&#160; <span class="keyword">const</span> ON_SubDLevel* level</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>&#160; );</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>&#160;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>&#160; <span class="keywordtype">void</span> UpdateEdgeFlags(</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>&#160; <span class="keyword">const</span> ON_SubDLevel* level</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>&#160; );</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>&#160;</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>&#160; <span class="keywordtype">void</span> UpdateAggregateComponentStatus(</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>&#160; <span class="keyword">const</span> ON_SubDLevel* level</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>&#160; );</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>&#160;</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>&#160; <span class="keywordtype">void</span> MarkAllAsNotCurrent()</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160; {</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>&#160; m_bDirtyEdgeFlags = <span class="keyword">true</span>;</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; m_bDirtyBoundingBox = <span class="keyword">true</span>;</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160; m_aggregate_status.MarkAsNotCurrent();</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160; }</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160;</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; <span class="keywordtype">bool</span> m_bDirtyEdgeFlags = <span class="keyword">false</span>;</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; <span class="keywordtype">bool</span> m_bDirtyBoundingBox = <span class="keyword">false</span>;</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; <a class="code" href="../../d1/df0/class_o_n___aggregate_component_status.html">ON_AggregateComponentStatus</a> m_aggregate_status = <a class="code" href="../../d1/df0/class_o_n___aggregate_component_status.html#a2d643e09425fe921fdac127cbca2d24e">ON_AggregateComponentStatus::Empty</a>;</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_edge_flags;</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160; <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a> m_bbox = <a class="code" href="../../d1/d17/class_o_n___bounding_box.html#ad4f488fc6dfa2692722d7dc7969fc9cc">ON_BoundingBox::EmptyBoundingBox</a>;</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160;};</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160;<span class="comment">// ON_SubDLevel</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160;</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160;<span class="keyword">class </span>ON_SubDLevel</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160;{</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> ON_SubDLevel Empty;</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160;</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>&#160; <span class="keywordtype">bool</span> IsEmpty() <span class="keyword">const</span>;</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>&#160;</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>&#160; ON_SubDLevel()</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>&#160; {</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>&#160; m_vertex[0] = m_vertex[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>&#160; m_edge[0] = m_edge[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>&#160; m_face[0] = m_face[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>&#160; }</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>&#160;</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>&#160; ON_SubDLevel(<span class="keyword">const</span> ON_SubDLevel&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160; ON_SubDLevel&amp; operator=(<span class="keyword">const</span> ON_SubDLevel&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>&#160;</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_level_index = ON_UNSET_UINT_INDEX;</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>&#160;</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>&#160; ON_SubD::SubDType m_subdivision_type = ON_SubD::SubDType::Unset;</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>&#160;</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_ordinary_vertex_valence = 0; <span class="comment">// 0 = none, 4 = quads, 6 = triangles</span></div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_ordinary_face_edge_count = 0; <span class="comment">// 0 = none, 4 = quads, 3 = triangles</span></div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>&#160;</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_reserved1 = 0;</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>&#160;</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>&#160; <span class="keywordtype">bool</span> CopyHelper(</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160; <span class="keyword">const</span> ON_SubDLevel&amp; src, </div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>&#160; <span class="keyword">class</span> ON_SubDArchiveIdMap&amp; eptrlist,</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; <span class="keyword">class</span> ON_SubDimple&amp; subdimple,</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160; <span class="keywordtype">bool</span> bCopyComponentStatus</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160; );</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>&#160;</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>&#160;<span class="comment"> Number of changes to vertex tag, edge tag and edge sector coefficent values.</span></div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UpdateEdgeTags(</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>&#160; <span class="keywordtype">bool</span> bUnsetEdgeTagsOnly</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>&#160; );</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>&#160;</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UpdateVertexTags(</div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>&#160; <span class="keywordtype">bool</span> bVertexEdgeTagsOnly</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>&#160; );</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>&#160;</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UpdateAllTagsAndSectorCoefficients(</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span>&#160; <span class="keywordtype">bool</span> bUnsetValuesOnly</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>&#160; );</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>&#160;</div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>&#160; <span class="keywordtype">void</span> DestroyOnError()</div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>&#160; {</div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>&#160; ON_SubDIncrementErrorCount();</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>&#160; m_vertex_count = 0;</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>&#160; m_edge_count = 0;</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160; m_face_count = 0;</div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; m_vertex_array_count = 0;</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160; m_edge_array_count = 0;</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160; m_face_array_count = 0; m_vertex[0] = m_vertex[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160; m_edge[0] = m_edge[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>&#160; m_face[0] = m_face[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>&#160; ResetVertexArray();</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>&#160; ResetEdgeArray();</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span>&#160; ResetFaceArray();</div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; }</div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span>&#160;</div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span>&#160;</div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span>&#160; <span class="comment">// m_vertex[2] = (head,tail) of linked list of vertices for this level</span></div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>&#160; <span class="keyword">class </span>ON_SubDVertex* m_vertex[2];</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>&#160;</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>&#160; <span class="comment">// m_edge[2] = (head,tail) of linked list of edges for this level</span></div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>&#160; <span class="keyword">class </span>ON_SubDEdge* m_edge[2];</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>&#160;</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span>&#160; <span class="comment">// m_face[2] = (head,tail) of linked list of faces for this level</span></div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span>&#160; <span class="keyword">class </span>ON_SubDFace* m_face[2];</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span>&#160;</div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_vertex_count = 0;</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_edge_count = 0;</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_face_count = 0;</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_vertex_array_count = 0;</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_edge_array_count = 0;</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_face_array_count = 0;</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>&#160;</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span>&#160; std::shared_ptr&lt;const ON_SubDVertex*&gt; VertexArray() <span class="keyword">const</span>;</div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>&#160; std::shared_ptr&lt;const ON_SubDEdge*&gt; EdgeArray() <span class="keyword">const</span>;</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>&#160; std::shared_ptr&lt;const ON_SubDFace*&gt; FaceArray() <span class="keyword">const</span>;</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>&#160;</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>&#160; <span class="keyword">mutable</span> ON_SubDLimitMesh m_limit_mesh;</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>&#160;</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span>&#160;<span class="comment"> Sets the mutable m_archive_id value for every vertex, edge and face </span></div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span>&#160;<span class="comment"> in this level.</span></div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>&#160;<span class="comment"> archive_id_partition - [out]</span></div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span>&#160;<span class="comment"> archive_id_partition[0] = 1 = first vertex archive_id</span></div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span>&#160;<span class="comment"> archive_id_partition[1]-1 = last vertex archive_id</span></div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span>&#160;<span class="comment"> archive_id_partition[1] = first edge archive_id</span></div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span>&#160;<span class="comment"> archive_id_partition[2]-1 = last edge archive_id</span></div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span>&#160;<span class="comment"> archive_id_partition[2] = first face archive_id</span></div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span>&#160;<span class="comment"> archive_id_partition[3]-1 = last face archive_id</span></div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>&#160;<span class="comment"> The number of vertices, edges and faces on this level.</span></div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SetArchiveId(</div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> archive_id_partition[4]</div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span>&#160;</div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span>&#160; <span class="keywordtype">void</span> ClearArchiveId() <span class="keyword">const</span>;</div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span>&#160;</div><div class="line"><a name="l00648"></a><span class="lineno"> 648</span>&#160; <span class="keywordtype">bool</span> Read(</div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; archive,</div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span>&#160; <span class="keyword">class</span> ON_SubDArchiveIdMap&amp; element_list,</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span>&#160; ON_SubD&amp; subd</div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span>&#160; );</div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span>&#160;</div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span>&#160; <span class="keywordtype">bool</span> Write(</div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; archive</div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span>&#160;</div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span>&#160;<span class="comment"> Apply a tranxfomration matrix to the entire level.</span></div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span>&#160;<span class="comment"> bGlobalTransformationIsIsometricOrUniformScale - [in]</span></div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span>&#160;<span class="comment"> true if the transformation is isomectirc (rotation, translation),</span></div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span>&#160;<span class="comment"> a dialoation (uniforma scale), or a compbination of those, and</span></div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span>&#160;<span class="comment"> it will be applied to every component in the subdivision</span></div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span>&#160;<span class="comment"> object.</span></div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span>&#160;<span class="comment"> false otherwise. </span></div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span>&#160;<span class="comment"> If you don&#39;t know, pass false.</span></div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span>&#160;<span class="comment"> xform - [in]</span></div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span>&#160; <span class="keywordtype">bool</span> Transform(</div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span>&#160; <span class="keywordtype">bool</span> bGlobalTransformationIsIsometricOrDilation,</div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>&amp; xform</div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span>&#160; );</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span>&#160;</div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span>&#160; <span class="keywordtype">bool</span> SetSubDType(</div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span>&#160; ON_SubD::SubDType subdivision_type</div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span>&#160; );</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span>&#160;</div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span>&#160; <span class="keywordtype">void</span> ResetVertexArray()</div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span>&#160; {</div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span>&#160; <span class="keywordflow">if</span> (m_vertex_array_count)</div><div class="line"><a name="l00683"></a><span class="lineno"> 683</span>&#160; {</div><div class="line"><a name="l00684"></a><span class="lineno"> 684</span>&#160; m_vertex_array_count = 0;</div><div class="line"><a name="l00685"></a><span class="lineno"> 685</span>&#160; m_vertex_array.reset();</div><div class="line"><a name="l00686"></a><span class="lineno"> 686</span>&#160; }</div><div class="line"><a name="l00687"></a><span class="lineno"> 687</span>&#160; }</div><div class="line"><a name="l00688"></a><span class="lineno"> 688</span>&#160;</div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span>&#160; <span class="keywordtype">void</span> ResetEdgeArray()</div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span>&#160; {</div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span>&#160; <span class="keywordflow">if</span> (m_edge_array_count)</div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span>&#160; {</div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span>&#160; m_edge_array_count = 0;</div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span>&#160; m_edge_array.reset();</div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span>&#160; }</div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span>&#160; }</div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span>&#160;</div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span>&#160; <span class="keywordtype">void</span> ResetFaceArray()</div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>&#160; {</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>&#160; <span class="keywordflow">if</span> (m_face_array_count)</div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span>&#160; {</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span>&#160; m_face_array_count = 0;</div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span>&#160; m_face_array.reset();</div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span>&#160; }</div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span>&#160; }</div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span>&#160;</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span>&#160; std::shared_ptr&lt;const ON_SubDVertex*&gt; m_vertex_array;</div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span>&#160; std::shared_ptr&lt;const ON_SubDEdge*&gt; m_edge_array;</div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span>&#160; std::shared_ptr&lt;const ON_SubDFace*&gt; m_face_array;</div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span>&#160;</div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span>&#160; <span class="keywordtype">bool</span> RemoveVertex(<span class="keyword">class</span> ON_SubDVertex* vertex)</div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span>&#160; {</div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span>&#160; m_aggregates.m_bDirtyBoundingBox = <span class="keyword">true</span>;</div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == vertex || vertex-&gt;m_level != this-&gt;m_level_index )</div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span>&#160; <span class="keywordflow">if</span> ( 0 == m_vertex_count)</div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span>&#160; ON_SubDVertex* prev_vertex = <span class="keyword">const_cast&lt;</span>ON_SubDVertex*<span class="keyword">&gt;</span>(vertex-&gt;m_prev_vertex);</div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span>&#160; ON_SubDVertex* next_vertex = <span class="keyword">const_cast&lt;</span>ON_SubDVertex*<span class="keyword">&gt;</span>(vertex-&gt;m_next_vertex);</div><div class="line"><a name="l00720"></a><span class="lineno"> 720</span>&#160; vertex-&gt;m_prev_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span>&#160; vertex-&gt;m_next_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>&#160; <span class="keywordflow">if</span> (1 == m_vertex_count)</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>&#160; {</div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span>&#160; <span class="keywordflow">if</span> (m_vertex[0] == vertex &amp;&amp; m_vertex[1] == vertex &amp;&amp; <span class="keyword">nullptr</span> == prev_vertex &amp;&amp; <span class="keyword">nullptr</span> == next_vertex)</div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span>&#160; {</div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>&#160; m_vertex[0] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>&#160; m_vertex[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span>&#160; }</div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span>&#160; {</div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span>&#160; <span class="comment">// error - same action taken</span></div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span>&#160; DestroyOnError();</div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span>&#160; }</div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span>&#160; }</div><div class="line"><a name="l00736"></a><span class="lineno"> 736</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span>&#160; {</div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span>&#160; <span class="keywordflow">if</span> (m_vertex[0] == vertex)</div><div class="line"><a name="l00739"></a><span class="lineno"> 739</span>&#160; {</div><div class="line"><a name="l00740"></a><span class="lineno"> 740</span>&#160; <span class="keywordflow">if</span> (m_vertex_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == prev_vertex &amp;&amp; <span class="keyword">nullptr</span> != next_vertex )</div><div class="line"><a name="l00741"></a><span class="lineno"> 741</span>&#160; {</div><div class="line"><a name="l00742"></a><span class="lineno"> 742</span>&#160; m_vertex[0] = next_vertex;</div><div class="line"><a name="l00743"></a><span class="lineno"> 743</span>&#160; next_vertex-&gt;m_prev_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00744"></a><span class="lineno"> 744</span>&#160; }</div><div class="line"><a name="l00745"></a><span class="lineno"> 745</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00746"></a><span class="lineno"> 746</span>&#160; {</div><div class="line"><a name="l00747"></a><span class="lineno"> 747</span>&#160; DestroyOnError();</div><div class="line"><a name="l00748"></a><span class="lineno"> 748</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00749"></a><span class="lineno"> 749</span>&#160; }</div><div class="line"><a name="l00750"></a><span class="lineno"> 750</span>&#160; }</div><div class="line"><a name="l00751"></a><span class="lineno"> 751</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_vertex[1] == vertex)</div><div class="line"><a name="l00752"></a><span class="lineno"> 752</span>&#160; {</div><div class="line"><a name="l00753"></a><span class="lineno"> 753</span>&#160; <span class="keywordflow">if</span> (m_vertex_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == next_vertex &amp;&amp; <span class="keyword">nullptr</span> != prev_vertex)</div><div class="line"><a name="l00754"></a><span class="lineno"> 754</span>&#160; {</div><div class="line"><a name="l00755"></a><span class="lineno"> 755</span>&#160; m_vertex[1] = prev_vertex;</div><div class="line"><a name="l00756"></a><span class="lineno"> 756</span>&#160; prev_vertex-&gt;m_next_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00757"></a><span class="lineno"> 757</span>&#160; }</div><div class="line"><a name="l00758"></a><span class="lineno"> 758</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00759"></a><span class="lineno"> 759</span>&#160; {</div><div class="line"><a name="l00760"></a><span class="lineno"> 760</span>&#160; DestroyOnError();</div><div class="line"><a name="l00761"></a><span class="lineno"> 761</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00762"></a><span class="lineno"> 762</span>&#160; }</div><div class="line"><a name="l00763"></a><span class="lineno"> 763</span>&#160; }</div><div class="line"><a name="l00764"></a><span class="lineno"> 764</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00765"></a><span class="lineno"> 765</span>&#160; {</div><div class="line"><a name="l00766"></a><span class="lineno"> 766</span>&#160; <span class="keywordflow">if</span> (m_vertex_count &gt; 2 &amp;&amp; <span class="keyword">nullptr</span> != prev_vertex &amp;&amp; <span class="keyword">nullptr</span> != next_vertex)</div><div class="line"><a name="l00767"></a><span class="lineno"> 767</span>&#160; {</div><div class="line"><a name="l00768"></a><span class="lineno"> 768</span>&#160; prev_vertex-&gt;m_next_vertex = next_vertex;</div><div class="line"><a name="l00769"></a><span class="lineno"> 769</span>&#160; next_vertex-&gt;m_prev_vertex = prev_vertex;</div><div class="line"><a name="l00770"></a><span class="lineno"> 770</span>&#160; }</div><div class="line"><a name="l00771"></a><span class="lineno"> 771</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00772"></a><span class="lineno"> 772</span>&#160; {</div><div class="line"><a name="l00773"></a><span class="lineno"> 773</span>&#160; DestroyOnError();</div><div class="line"><a name="l00774"></a><span class="lineno"> 774</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00775"></a><span class="lineno"> 775</span>&#160; }</div><div class="line"><a name="l00776"></a><span class="lineno"> 776</span>&#160; }</div><div class="line"><a name="l00777"></a><span class="lineno"> 777</span>&#160; }</div><div class="line"><a name="l00778"></a><span class="lineno"> 778</span>&#160; m_vertex_count--;</div><div class="line"><a name="l00779"></a><span class="lineno"> 779</span>&#160; ResetVertexArray();</div><div class="line"><a name="l00780"></a><span class="lineno"> 780</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00781"></a><span class="lineno"> 781</span>&#160; }</div><div class="line"><a name="l00782"></a><span class="lineno"> 782</span>&#160;</div><div class="line"><a name="l00783"></a><span class="lineno"> 783</span>&#160;</div><div class="line"><a name="l00784"></a><span class="lineno"> 784</span>&#160; <span class="keywordtype">bool</span> RemoveEdge(<span class="keyword">class</span> ON_SubDEdge* edge)</div><div class="line"><a name="l00785"></a><span class="lineno"> 785</span>&#160; {</div><div class="line"><a name="l00786"></a><span class="lineno"> 786</span>&#160; m_aggregates.m_bDirtyEdgeFlags = <span class="keyword">true</span>;</div><div class="line"><a name="l00787"></a><span class="lineno"> 787</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == edge || edge-&gt;m_level != this-&gt;m_level_index )</div><div class="line"><a name="l00788"></a><span class="lineno"> 788</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00789"></a><span class="lineno"> 789</span>&#160; <span class="keywordflow">if</span> ( 0 == m_edge_count)</div><div class="line"><a name="l00790"></a><span class="lineno"> 790</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00791"></a><span class="lineno"> 791</span>&#160; ON_SubDEdge* prev_edge = <span class="keyword">const_cast&lt;</span>ON_SubDEdge*<span class="keyword">&gt;</span>(edge-&gt;m_prev_edge);</div><div class="line"><a name="l00792"></a><span class="lineno"> 792</span>&#160; ON_SubDEdge* next_edge = <span class="keyword">const_cast&lt;</span>ON_SubDEdge*<span class="keyword">&gt;</span>(edge-&gt;m_next_edge);</div><div class="line"><a name="l00793"></a><span class="lineno"> 793</span>&#160; edge-&gt;m_prev_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00794"></a><span class="lineno"> 794</span>&#160; edge-&gt;m_next_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00795"></a><span class="lineno"> 795</span>&#160; <span class="keywordflow">if</span> (1 == m_edge_count)</div><div class="line"><a name="l00796"></a><span class="lineno"> 796</span>&#160; {</div><div class="line"><a name="l00797"></a><span class="lineno"> 797</span>&#160; <span class="keywordflow">if</span> (m_edge[0] == edge &amp;&amp; m_edge[1] == edge &amp;&amp; <span class="keyword">nullptr</span> == prev_edge &amp;&amp; <span class="keyword">nullptr</span> == next_edge)</div><div class="line"><a name="l00798"></a><span class="lineno"> 798</span>&#160; {</div><div class="line"><a name="l00799"></a><span class="lineno"> 799</span>&#160; m_edge[0] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00800"></a><span class="lineno"> 800</span>&#160; m_edge[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00801"></a><span class="lineno"> 801</span>&#160; }</div><div class="line"><a name="l00802"></a><span class="lineno"> 802</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00803"></a><span class="lineno"> 803</span>&#160; {</div><div class="line"><a name="l00804"></a><span class="lineno"> 804</span>&#160; <span class="comment">// error - same action taken</span></div><div class="line"><a name="l00805"></a><span class="lineno"> 805</span>&#160; DestroyOnError();</div><div class="line"><a name="l00806"></a><span class="lineno"> 806</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00807"></a><span class="lineno"> 807</span>&#160; }</div><div class="line"><a name="l00808"></a><span class="lineno"> 808</span>&#160; }</div><div class="line"><a name="l00809"></a><span class="lineno"> 809</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00810"></a><span class="lineno"> 810</span>&#160; {</div><div class="line"><a name="l00811"></a><span class="lineno"> 811</span>&#160; <span class="keywordflow">if</span> (m_edge[0] == edge)</div><div class="line"><a name="l00812"></a><span class="lineno"> 812</span>&#160; {</div><div class="line"><a name="l00813"></a><span class="lineno"> 813</span>&#160; <span class="keywordflow">if</span> (m_edge_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == prev_edge &amp;&amp; <span class="keyword">nullptr</span> != next_edge )</div><div class="line"><a name="l00814"></a><span class="lineno"> 814</span>&#160; {</div><div class="line"><a name="l00815"></a><span class="lineno"> 815</span>&#160; m_edge[0] = next_edge;</div><div class="line"><a name="l00816"></a><span class="lineno"> 816</span>&#160; next_edge-&gt;m_prev_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00817"></a><span class="lineno"> 817</span>&#160; }</div><div class="line"><a name="l00818"></a><span class="lineno"> 818</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00819"></a><span class="lineno"> 819</span>&#160; {</div><div class="line"><a name="l00820"></a><span class="lineno"> 820</span>&#160; DestroyOnError();</div><div class="line"><a name="l00821"></a><span class="lineno"> 821</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00822"></a><span class="lineno"> 822</span>&#160; }</div><div class="line"><a name="l00823"></a><span class="lineno"> 823</span>&#160; }</div><div class="line"><a name="l00824"></a><span class="lineno"> 824</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_edge[1] == edge)</div><div class="line"><a name="l00825"></a><span class="lineno"> 825</span>&#160; {</div><div class="line"><a name="l00826"></a><span class="lineno"> 826</span>&#160; <span class="keywordflow">if</span> (m_edge_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == next_edge &amp;&amp; <span class="keyword">nullptr</span> != prev_edge)</div><div class="line"><a name="l00827"></a><span class="lineno"> 827</span>&#160; {</div><div class="line"><a name="l00828"></a><span class="lineno"> 828</span>&#160; m_edge[1] = prev_edge;</div><div class="line"><a name="l00829"></a><span class="lineno"> 829</span>&#160; prev_edge-&gt;m_next_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00830"></a><span class="lineno"> 830</span>&#160; }</div><div class="line"><a name="l00831"></a><span class="lineno"> 831</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00832"></a><span class="lineno"> 832</span>&#160; {</div><div class="line"><a name="l00833"></a><span class="lineno"> 833</span>&#160; DestroyOnError();</div><div class="line"><a name="l00834"></a><span class="lineno"> 834</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00835"></a><span class="lineno"> 835</span>&#160; }</div><div class="line"><a name="l00836"></a><span class="lineno"> 836</span>&#160; }</div><div class="line"><a name="l00837"></a><span class="lineno"> 837</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00838"></a><span class="lineno"> 838</span>&#160; {</div><div class="line"><a name="l00839"></a><span class="lineno"> 839</span>&#160; <span class="keywordflow">if</span> (m_edge_count &gt; 2 &amp;&amp; <span class="keyword">nullptr</span> != prev_edge &amp;&amp; <span class="keyword">nullptr</span> != next_edge)</div><div class="line"><a name="l00840"></a><span class="lineno"> 840</span>&#160; {</div><div class="line"><a name="l00841"></a><span class="lineno"> 841</span>&#160; prev_edge-&gt;m_next_edge = next_edge;</div><div class="line"><a name="l00842"></a><span class="lineno"> 842</span>&#160; next_edge-&gt;m_prev_edge = prev_edge;</div><div class="line"><a name="l00843"></a><span class="lineno"> 843</span>&#160; }</div><div class="line"><a name="l00844"></a><span class="lineno"> 844</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00845"></a><span class="lineno"> 845</span>&#160; {</div><div class="line"><a name="l00846"></a><span class="lineno"> 846</span>&#160; DestroyOnError();</div><div class="line"><a name="l00847"></a><span class="lineno"> 847</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00848"></a><span class="lineno"> 848</span>&#160; }</div><div class="line"><a name="l00849"></a><span class="lineno"> 849</span>&#160; }</div><div class="line"><a name="l00850"></a><span class="lineno"> 850</span>&#160; }</div><div class="line"><a name="l00851"></a><span class="lineno"> 851</span>&#160; m_edge_count--;</div><div class="line"><a name="l00852"></a><span class="lineno"> 852</span>&#160; ResetEdgeArray();</div><div class="line"><a name="l00853"></a><span class="lineno"> 853</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00854"></a><span class="lineno"> 854</span>&#160; }</div><div class="line"><a name="l00855"></a><span class="lineno"> 855</span>&#160;</div><div class="line"><a name="l00856"></a><span class="lineno"> 856</span>&#160;</div><div class="line"><a name="l00857"></a><span class="lineno"> 857</span>&#160; <span class="keywordtype">bool</span> RemoveFace(<span class="keyword">class</span> ON_SubDFace* face)</div><div class="line"><a name="l00858"></a><span class="lineno"> 858</span>&#160; {</div><div class="line"><a name="l00859"></a><span class="lineno"> 859</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == face || face-&gt;m_level != this-&gt;m_level_index )</div><div class="line"><a name="l00860"></a><span class="lineno"> 860</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00861"></a><span class="lineno"> 861</span>&#160; <span class="keywordflow">if</span> ( 0 == m_face_count)</div><div class="line"><a name="l00862"></a><span class="lineno"> 862</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l00863"></a><span class="lineno"> 863</span>&#160; ON_SubDFace* prev_face = <span class="keyword">const_cast&lt;</span>ON_SubDFace*<span class="keyword">&gt;</span>(face-&gt;m_prev_face);</div><div class="line"><a name="l00864"></a><span class="lineno"> 864</span>&#160; ON_SubDFace* next_face = <span class="keyword">const_cast&lt;</span>ON_SubDFace*<span class="keyword">&gt;</span>(face-&gt;m_next_face);</div><div class="line"><a name="l00865"></a><span class="lineno"> 865</span>&#160; face-&gt;m_prev_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00866"></a><span class="lineno"> 866</span>&#160; face-&gt;m_next_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00867"></a><span class="lineno"> 867</span>&#160; <span class="keywordflow">if</span> (1 == m_face_count)</div><div class="line"><a name="l00868"></a><span class="lineno"> 868</span>&#160; {</div><div class="line"><a name="l00869"></a><span class="lineno"> 869</span>&#160; <span class="keywordflow">if</span> (m_face[0] == face &amp;&amp; m_face[1] == face &amp;&amp; <span class="keyword">nullptr</span> == prev_face &amp;&amp; <span class="keyword">nullptr</span> == next_face)</div><div class="line"><a name="l00870"></a><span class="lineno"> 870</span>&#160; {</div><div class="line"><a name="l00871"></a><span class="lineno"> 871</span>&#160; m_face[0] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00872"></a><span class="lineno"> 872</span>&#160; m_face[1] = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00873"></a><span class="lineno"> 873</span>&#160; }</div><div class="line"><a name="l00874"></a><span class="lineno"> 874</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00875"></a><span class="lineno"> 875</span>&#160; {</div><div class="line"><a name="l00876"></a><span class="lineno"> 876</span>&#160; <span class="comment">// error - same action taken</span></div><div class="line"><a name="l00877"></a><span class="lineno"> 877</span>&#160; DestroyOnError();</div><div class="line"><a name="l00878"></a><span class="lineno"> 878</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00879"></a><span class="lineno"> 879</span>&#160; }</div><div class="line"><a name="l00880"></a><span class="lineno"> 880</span>&#160; }</div><div class="line"><a name="l00881"></a><span class="lineno"> 881</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00882"></a><span class="lineno"> 882</span>&#160; {</div><div class="line"><a name="l00883"></a><span class="lineno"> 883</span>&#160; <span class="keywordflow">if</span> (m_face[0] == face)</div><div class="line"><a name="l00884"></a><span class="lineno"> 884</span>&#160; {</div><div class="line"><a name="l00885"></a><span class="lineno"> 885</span>&#160; <span class="keywordflow">if</span> (m_face_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == prev_face &amp;&amp; <span class="keyword">nullptr</span> != next_face )</div><div class="line"><a name="l00886"></a><span class="lineno"> 886</span>&#160; {</div><div class="line"><a name="l00887"></a><span class="lineno"> 887</span>&#160; m_face[0] = next_face;</div><div class="line"><a name="l00888"></a><span class="lineno"> 888</span>&#160; next_face-&gt;m_prev_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00889"></a><span class="lineno"> 889</span>&#160; }</div><div class="line"><a name="l00890"></a><span class="lineno"> 890</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00891"></a><span class="lineno"> 891</span>&#160; {</div><div class="line"><a name="l00892"></a><span class="lineno"> 892</span>&#160; DestroyOnError();</div><div class="line"><a name="l00893"></a><span class="lineno"> 893</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00894"></a><span class="lineno"> 894</span>&#160; }</div><div class="line"><a name="l00895"></a><span class="lineno"> 895</span>&#160; }</div><div class="line"><a name="l00896"></a><span class="lineno"> 896</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_face[1] == face)</div><div class="line"><a name="l00897"></a><span class="lineno"> 897</span>&#160; {</div><div class="line"><a name="l00898"></a><span class="lineno"> 898</span>&#160; <span class="keywordflow">if</span> (m_face_count &gt;= 2 &amp;&amp; <span class="keyword">nullptr</span> == next_face &amp;&amp; <span class="keyword">nullptr</span> != prev_face)</div><div class="line"><a name="l00899"></a><span class="lineno"> 899</span>&#160; {</div><div class="line"><a name="l00900"></a><span class="lineno"> 900</span>&#160; m_face[1] = prev_face;</div><div class="line"><a name="l00901"></a><span class="lineno"> 901</span>&#160; prev_face-&gt;m_next_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00902"></a><span class="lineno"> 902</span>&#160; }</div><div class="line"><a name="l00903"></a><span class="lineno"> 903</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00904"></a><span class="lineno"> 904</span>&#160; {</div><div class="line"><a name="l00905"></a><span class="lineno"> 905</span>&#160; DestroyOnError();</div><div class="line"><a name="l00906"></a><span class="lineno"> 906</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00907"></a><span class="lineno"> 907</span>&#160; }</div><div class="line"><a name="l00908"></a><span class="lineno"> 908</span>&#160; }</div><div class="line"><a name="l00909"></a><span class="lineno"> 909</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00910"></a><span class="lineno"> 910</span>&#160; {</div><div class="line"><a name="l00911"></a><span class="lineno"> 911</span>&#160; <span class="keywordflow">if</span> (m_face_count &gt; 2 &amp;&amp; <span class="keyword">nullptr</span> != prev_face &amp;&amp; <span class="keyword">nullptr</span> != next_face)</div><div class="line"><a name="l00912"></a><span class="lineno"> 912</span>&#160; {</div><div class="line"><a name="l00913"></a><span class="lineno"> 913</span>&#160; prev_face-&gt;m_next_face = next_face;</div><div class="line"><a name="l00914"></a><span class="lineno"> 914</span>&#160; next_face-&gt;m_prev_face = prev_face;</div><div class="line"><a name="l00915"></a><span class="lineno"> 915</span>&#160; }</div><div class="line"><a name="l00916"></a><span class="lineno"> 916</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00917"></a><span class="lineno"> 917</span>&#160; {</div><div class="line"><a name="l00918"></a><span class="lineno"> 918</span>&#160; DestroyOnError();</div><div class="line"><a name="l00919"></a><span class="lineno"> 919</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00920"></a><span class="lineno"> 920</span>&#160; }</div><div class="line"><a name="l00921"></a><span class="lineno"> 921</span>&#160; }</div><div class="line"><a name="l00922"></a><span class="lineno"> 922</span>&#160; }</div><div class="line"><a name="l00923"></a><span class="lineno"> 923</span>&#160; m_face_count--;</div><div class="line"><a name="l00924"></a><span class="lineno"> 924</span>&#160; ResetFaceArray();</div><div class="line"><a name="l00925"></a><span class="lineno"> 925</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00926"></a><span class="lineno"> 926</span>&#160; }</div><div class="line"><a name="l00927"></a><span class="lineno"> 927</span>&#160;</div><div class="line"><a name="l00928"></a><span class="lineno"> 928</span>&#160; <span class="keyword">const</span> ON_SubDVertex* AddVertex(<span class="keyword">class</span> ON_SubDVertex* vertex)</div><div class="line"><a name="l00929"></a><span class="lineno"> 929</span>&#160; {</div><div class="line"><a name="l00930"></a><span class="lineno"> 930</span>&#160; m_aggregates.m_bDirtyBoundingBox = <span class="keyword">true</span>;</div><div class="line"><a name="l00931"></a><span class="lineno"> 931</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == vertex)</div><div class="line"><a name="l00932"></a><span class="lineno"> 932</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00933"></a><span class="lineno"> 933</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == m_vertex[1])</div><div class="line"><a name="l00934"></a><span class="lineno"> 934</span>&#160; {</div><div class="line"><a name="l00935"></a><span class="lineno"> 935</span>&#160; m_vertex[0] = vertex;</div><div class="line"><a name="l00936"></a><span class="lineno"> 936</span>&#160; vertex-&gt;m_prev_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00937"></a><span class="lineno"> 937</span>&#160; }</div><div class="line"><a name="l00938"></a><span class="lineno"> 938</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00939"></a><span class="lineno"> 939</span>&#160; {</div><div class="line"><a name="l00940"></a><span class="lineno"> 940</span>&#160; m_vertex[1]-&gt;m_next_vertex = vertex;</div><div class="line"><a name="l00941"></a><span class="lineno"> 941</span>&#160; vertex-&gt;m_prev_vertex = m_vertex[1];</div><div class="line"><a name="l00942"></a><span class="lineno"> 942</span>&#160; }</div><div class="line"><a name="l00943"></a><span class="lineno"> 943</span>&#160; m_vertex[1] = vertex;</div><div class="line"><a name="l00944"></a><span class="lineno"> 944</span>&#160; vertex-&gt;m_next_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00945"></a><span class="lineno"> 945</span>&#160; m_vertex_count++;</div><div class="line"><a name="l00946"></a><span class="lineno"> 946</span>&#160; ResetVertexArray();</div><div class="line"><a name="l00947"></a><span class="lineno"> 947</span>&#160; <span class="keywordflow">return</span> vertex;</div><div class="line"><a name="l00948"></a><span class="lineno"> 948</span>&#160; }</div><div class="line"><a name="l00949"></a><span class="lineno"> 949</span>&#160;</div><div class="line"><a name="l00950"></a><span class="lineno"> 950</span>&#160; <span class="keyword">const</span> ON_SubDEdge* AddEdge(<span class="keyword">class</span> ON_SubDEdge* edge)</div><div class="line"><a name="l00951"></a><span class="lineno"> 951</span>&#160; {</div><div class="line"><a name="l00952"></a><span class="lineno"> 952</span>&#160; m_aggregates.m_bDirtyEdgeFlags = <span class="keyword">true</span>;</div><div class="line"><a name="l00953"></a><span class="lineno"> 953</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == edge)</div><div class="line"><a name="l00954"></a><span class="lineno"> 954</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00955"></a><span class="lineno"> 955</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == m_edge[1])</div><div class="line"><a name="l00956"></a><span class="lineno"> 956</span>&#160; {</div><div class="line"><a name="l00957"></a><span class="lineno"> 957</span>&#160; m_edge[0] = edge;</div><div class="line"><a name="l00958"></a><span class="lineno"> 958</span>&#160; edge-&gt;m_prev_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00959"></a><span class="lineno"> 959</span>&#160; }</div><div class="line"><a name="l00960"></a><span class="lineno"> 960</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00961"></a><span class="lineno"> 961</span>&#160; {</div><div class="line"><a name="l00962"></a><span class="lineno"> 962</span>&#160; m_edge[1]-&gt;m_next_edge = edge;</div><div class="line"><a name="l00963"></a><span class="lineno"> 963</span>&#160; edge-&gt;m_prev_edge = m_edge[1];</div><div class="line"><a name="l00964"></a><span class="lineno"> 964</span>&#160; }</div><div class="line"><a name="l00965"></a><span class="lineno"> 965</span>&#160; m_edge[1] = edge;</div><div class="line"><a name="l00966"></a><span class="lineno"> 966</span>&#160; edge-&gt;m_next_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00967"></a><span class="lineno"> 967</span>&#160; m_edge_count++;</div><div class="line"><a name="l00968"></a><span class="lineno"> 968</span>&#160; ResetEdgeArray();</div><div class="line"><a name="l00969"></a><span class="lineno"> 969</span>&#160; <span class="keywordflow">return</span> edge;</div><div class="line"><a name="l00970"></a><span class="lineno"> 970</span>&#160; }</div><div class="line"><a name="l00971"></a><span class="lineno"> 971</span>&#160;</div><div class="line"><a name="l00972"></a><span class="lineno"> 972</span>&#160; <span class="keyword">const</span> ON_SubDFace* AddFace(<span class="keyword">class</span> ON_SubDFace* face)</div><div class="line"><a name="l00973"></a><span class="lineno"> 973</span>&#160; {</div><div class="line"><a name="l00974"></a><span class="lineno"> 974</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == face)</div><div class="line"><a name="l00975"></a><span class="lineno"> 975</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00976"></a><span class="lineno"> 976</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> == m_face[1])</div><div class="line"><a name="l00977"></a><span class="lineno"> 977</span>&#160; {</div><div class="line"><a name="l00978"></a><span class="lineno"> 978</span>&#160; m_face[0] = face;</div><div class="line"><a name="l00979"></a><span class="lineno"> 979</span>&#160; face-&gt;m_prev_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00980"></a><span class="lineno"> 980</span>&#160; }</div><div class="line"><a name="l00981"></a><span class="lineno"> 981</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00982"></a><span class="lineno"> 982</span>&#160; {</div><div class="line"><a name="l00983"></a><span class="lineno"> 983</span>&#160; m_face[1]-&gt;m_next_face = face;</div><div class="line"><a name="l00984"></a><span class="lineno"> 984</span>&#160; face-&gt;m_prev_face = m_face[1];</div><div class="line"><a name="l00985"></a><span class="lineno"> 985</span>&#160; }</div><div class="line"><a name="l00986"></a><span class="lineno"> 986</span>&#160; m_face[1] = face;</div><div class="line"><a name="l00987"></a><span class="lineno"> 987</span>&#160; face-&gt;m_next_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00988"></a><span class="lineno"> 988</span>&#160; m_face_count++;</div><div class="line"><a name="l00989"></a><span class="lineno"> 989</span>&#160; ResetFaceArray();</div><div class="line"><a name="l00990"></a><span class="lineno"> 990</span>&#160; <span class="keywordflow">return</span> face;</div><div class="line"><a name="l00991"></a><span class="lineno"> 991</span>&#160; }</div><div class="line"><a name="l00992"></a><span class="lineno"> 992</span>&#160;</div><div class="line"><a name="l00993"></a><span class="lineno"> 993</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00994"></a><span class="lineno"> 994</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_reserved4 = 0;</div><div class="line"><a name="l00995"></a><span class="lineno"> 995</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00996"></a><span class="lineno"> 996</span>&#160;</div><div class="line"><a name="l00997"></a><span class="lineno"> 997</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UpdateEdgeSectorCoefficients(</div><div class="line"><a name="l00998"></a><span class="lineno"> 998</span>&#160; <span class="keywordtype">bool</span> bUnsetEdgeSectorCoefficientsOnly</div><div class="line"><a name="l00999"></a><span class="lineno"> 999</span>&#160; );</div><div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;</div><div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;</div><div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160; <span class="keywordtype">void</span> ClearSubdivisonAndLimitPoints() <span class="keyword">const</span>;</div><div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;</div><div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;<span class="comment"> If a state is set in the status parameter, it will be cleared</span></div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;<span class="comment"> from all components on the level.</span></div><div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;<span class="comment"> Number of components where a state setting chanaged.</span></div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ClearStates(</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160; <a class="code" href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a> states_to_clear</div><div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetComponentsWithSetStates(</div><div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160; <a class="code" href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a> states_filter,</div><div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160; <span class="keywordtype">bool</span> bAllEqualStates,</div><div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160; <a class="code" href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray&lt; ON_SubDComponentPtr &gt;</a>&amp; components_with_set_states</div><div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;</div><div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SetStates(</div><div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160; ON_SubDComponentPtr component_ptr,</div><div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160; <a class="code" href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a> states_to_set</div><div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;</div><div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ClearStates(</div><div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160; ON_SubDComponentPtr component_ptr,</div><div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160; <a class="code" href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a> states_to_clear</div><div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;</div><div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SetStatus(</div><div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160; ON_SubDComponentPtr component_ptr,</div><div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160; <a class="code" href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a> status_to_copy</div><div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;</div><div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160; <a class="code" href="../../d1/df0/class_o_n___aggregate_component_status.html">ON_AggregateComponentStatus</a> AggregateComponentStatus() <span class="keyword">const</span>;</div><div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;</div><div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160; <span class="keywordtype">void</span> MarkAggregateComponentStatusAsNotCurrent()<span class="keyword"> const</span></div><div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160; m_aggregates.m_aggregate_status.MarkAsNotCurrent();</div><div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160; }</div><div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;</div><div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160; <span class="keywordtype">void</span> ClearBoundingBox()<span class="keyword"> const</span></div><div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160; m_aggregates.m_bDirtyBoundingBox = <span class="keyword">true</span>;</div><div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160; }</div><div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;</div><div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160; <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a> BoundingBox() <span class="keyword">const</span>;</div><div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;</div><div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160; <span class="keywordtype">void</span> ClearEdgeFlags()<span class="keyword"> const</span></div><div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160; m_aggregates.m_bDirtyEdgeFlags = <span class="keyword">true</span>;</div><div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160; }</div><div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;</div><div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> EdgeFlags() <span class="keyword">const</span>;</div><div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;</div><div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160; ON_SubDLimitMesh UpdateLimitSurfaceMesh(</div><div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160; <span class="keyword">const</span> ON_SubD&amp; subd,</div><div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> ON_SubDDisplayParameters&amp; display_parameters</div><div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;</div><div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> LimitSurfaceMeshFragmentCount() <span class="keyword">const</span>;</div><div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;</div><div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160; <span class="keyword">mutable</span> ON_SubDAggregates m_aggregates;</div><div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;};</div><div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;<span class="comment">// ON_SubDLevelIterator</span></div><div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;<span class="keyword">class </span>ON_SubDLevelIterator</div><div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;{</div><div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160; <span class="keyword">class </span>ON_SubDLevel* First()</div><div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160; {</div><div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160; <span class="keywordflow">for</span> (m_level_index = 0; m_level_index &lt; m_level_count; m_level_index++)</div><div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160; {</div><div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != m_levels[m_level_index])</div><div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160; <span class="keywordflow">return</span> m_levels[m_level_index];</div><div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160; }</div><div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>; </div><div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160; }</div><div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;</div><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160; <span class="keyword">class </span>ON_SubDLevel* Next()</div><div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160; {</div><div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160; <span class="keywordflow">for</span> (m_level_index++; m_level_index &lt; m_level_count; m_level_index++)</div><div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160; {</div><div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != m_levels[m_level_index])</div><div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160; <span class="keywordflow">return</span> m_levels[m_level_index];</div><div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160; }</div><div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>; </div><div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160; }</div><div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;</div><div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> LevelIndex()</div><div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160; {</div><div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160; <span class="keywordflow">return</span> m_level_index;</div><div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160; }</div><div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;</div><div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> LevelCount()</div><div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160; {</div><div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160; <span class="keywordflow">return</span> m_level_count;</div><div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160; }</div><div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;</div><div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span>ON_SubDimple;</div><div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160; ON_SubDLevelIterator() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160; ~ON_SubDLevelIterator() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160; ON_SubDLevelIterator(<span class="keyword">const</span> ON_SubDLevelIterator&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160; ON_SubDLevelIterator&amp; operator=(<span class="keyword">const</span> ON_SubDLevelIterator&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;</div><div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160; <span class="keyword">class </span>ON_SubDLevel** m_levels = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_level_count = 0;</div><div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_level_index = 0;</div><div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;};</div><div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;<span class="comment">// ON_SubDHeap</span></div><div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;</div><div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;<span class="keyword">class </span>ON_SubDHeap</div><div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;{</div><div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160; ON_SubDHeap();</div><div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160; ~ON_SubDHeap();</div><div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;</div><div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160; <span class="keyword">class </span>ON_SubDVertex* AllocateVertexAndSetId(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&amp; max_vertex_id);</div><div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;</div><div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160; <span class="keywordtype">void</span> ReturnVertex(<span class="keyword">class</span> ON_SubDVertex* v);</div><div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;</div><div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160; <span class="keyword">class </span>ON_SubDEdge* AllocateEdgeAndSetId(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&amp; max_edge_id);</div><div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;</div><div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160; <span class="keywordtype">void</span> ReturnEdge(<span class="keyword">class</span> ON_SubDEdge* e);</div><div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;</div><div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160; <span class="keyword">class </span>ON_SubDFace* AllocateFaceAndSetId(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&amp; max_face_id);</div><div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;</div><div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160; <span class="keywordtype">void</span> ReturnFace(<span class="keyword">class</span> ON_SubDFace* f);</div><div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;</div><div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;<span class="comment"> Sets mutable m_archive_id values to 0.</span></div><div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160; <span class="keywordtype">void</span> ClearArchiveId();</div><div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;</div><div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDVertex* VertexFromId(</div><div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vertex_id</div><div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;</div><div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDEdge* EdgeFromId(</div><div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_id</div><div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;</div><div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDFace* FaceFromId(</div><div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_id</div><div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;</div><div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;</div><div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;</div><div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;<span class="comment"> Array of count ON__UINT_PTR</span></div><div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160; ON__UINT_PTR* AllocateArray(</div><div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160; <span class="keywordtype">size_t</span>* capacity</div><div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160; );</div><div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160; <span class="keywordtype">void</span> ReturnArray(</div><div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160; <span class="keywordtype">size_t</span> capacity,</div><div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160; ON__UINT_PTR* a</div><div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160; );</div><div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160; <span class="keyword">static</span> ON__UINT_PTR ArrayCapacity(</div><div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160; <span class="keywordtype">size_t</span> capacity,</div><div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160; ON__UINT_PTR* a</div><div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160; );</div><div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160; ON__UINT_PTR* ResizeArray(</div><div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160; <span class="keywordtype">size_t</span> current_count,</div><div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160; <span class="keywordtype">size_t</span> current_capacity,</div><div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160; ON__UINT_PTR* current_a,</div><div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160; <span class="keywordtype">size_t</span>* new_capacity</div><div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160; );</div><div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;</div><div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160; <span class="keywordtype">bool</span> GrowVertexEdgeArray(</div><div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160; ON_SubDVertex* v,</div><div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160; );</div><div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160; <span class="keywordtype">bool</span> GrowVertexFaceArray(</div><div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160; ON_SubDVertex* v,</div><div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160; );</div><div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160; <span class="keywordtype">bool</span> GrowEdgeFaceArray(</div><div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160; ON_SubDEdge* e,</div><div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160; );</div><div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160; <span class="keywordtype">bool</span> GrowFaceEdgeArray(</div><div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160; ON_SubDFace* f,</div><div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160; );</div><div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;</div><div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160; <span class="keywordtype">bool</span> GrowVertexEdgeArrayByOne(</div><div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160; ON_SubDVertex* v</div><div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160; );</div><div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160; <span class="keywordtype">bool</span> GrowVertexFaceArrayByOne(</div><div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160; ON_SubDVertex* v</div><div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160; );</div><div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160; <span class="keywordtype">bool</span> GrowEdgeFaceArrayByOne(</div><div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160; ON_SubDEdge* e</div><div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160; );</div><div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160; <span class="keywordtype">bool</span> GrowFaceEdgeArrayByOne(</div><div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160; ON_SubDFace* f</div><div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160; );</div><div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;</div><div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160; <span class="keywordtype">bool</span> ReturnVertexEdgeAndFaceArrays(</div><div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160; ON_SubDVertex* v</div><div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160; );</div><div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;</div><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160; <span class="keywordtype">bool</span> ReturnEdgeExtraArray(</div><div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160; ON_SubDEdge* e</div><div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160; );</div><div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;</div><div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160; <span class="keywordtype">bool</span> ReturnFaceExtraArray(</div><div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160; ON_SubDFace* f</div><div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160; );</div><div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;</div><div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;</div><div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;<span class="comment"> Discard all contents of this ON_SubDHeap.</span></div><div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;<span class="comment"> More efficient than Destroy() if this ON_SubDHeap will be reused soon.</span></div><div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160; <span class="keywordtype">void</span> Clear();</div><div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;</div><div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;<span class="comment"> Delete all contents release all memory used by this ON_SubDHeap.</span></div><div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160; <span class="keywordtype">void</span> Destroy();</div><div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;</div><div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160; <span class="keywordtype">size_t</span> SizeOf()<span class="keyword"> const</span></div><div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160; <span class="keywordtype">size_t</span> sz = <span class="keyword">sizeof</span>(*this);</div><div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160; sz += m_fsp5.SizeofElement()*m_fsp5.TotalElementCount();</div><div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160; sz += m_fsp9.SizeofElement()*m_fsp9.TotalElementCount();</div><div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160; sz += m_fsp17.SizeofElement()*m_fsp17.TotalElementCount();</div><div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160; <span class="comment">// todo - include m_ws;</span></div><div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160; <span class="keywordflow">return</span> sz;</div><div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160; }</div><div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;</div><div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160; <span class="keyword">class </span>tagWSItem</div><div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160; {</div><div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160; <span class="keyword">class </span>tagWSItem* m_prev;</div><div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160; <span class="keyword">class </span>tagWSItem* m_next;</div><div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160; };</div><div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;</div><div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160; <span class="keyword">class </span>tagWSItem* m_ws = <span class="keyword">nullptr</span>; <span class="comment">// oversized arrays of ON__UINT_PTRs</span></div><div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;</div><div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fspv; <span class="comment">// element = ON_SubDVertex</span></div><div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fspe; <span class="comment">// element = ON_SubDEdge</span></div><div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fspf; <span class="comment">// element = ON_SubDFace</span></div><div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fsp5; <span class="comment">// element = capacity + array of 4 ON__UINT_PTRs</span></div><div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fsp9; <span class="comment">// element = capacity + array of 8 ON__UINT_PTRs</span></div><div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fsp17; <span class="comment">// element = capacity + array of 16 ON__UINT_PTRs</span></div><div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;</div><div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160; ON_SubDVertex* m_unused_vertex = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160; ON_SubDEdge* m_unused_edge = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160; ON_SubDFace* m_unused_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;</div><div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160; ON__UINT_PTR* AllocateOversizedElementQWERTY(</div><div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160; <span class="keywordtype">size_t</span>* capacity</div><div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160; );</div><div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160; <span class="keywordtype">void</span> ReturnOversizedElement(</div><div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160; <span class="keywordtype">size_t</span> capacity,</div><div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160; ON__UINT_PTR* a</div><div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160; );</div><div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160; <span class="keyword">static</span> <span class="keywordtype">size_t</span> OversizedElementCapacityQWERTY(</div><div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160; <span class="keywordtype">size_t</span> count</div><div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160; );</div><div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;</div><div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160; <span class="keyword">static</span> <span class="keywordtype">size_t</span> m_offset_vertex_id;</div><div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160; <span class="keyword">static</span> <span class="keywordtype">size_t</span> m_offset_edge_id;</div><div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160; <span class="keyword">static</span> <span class="keywordtype">size_t</span> m_offset_face_id;</div><div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;};</div><div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;</div><div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;<span class="comment">// ON_SubDimple</span></div><div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;</div><div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;<span class="keyword">class </span>ON_SubDimple</div><div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;{</div><div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;<span class="preprocessor">#if defined(ON_SUBD_CENSUS)</span></div><div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160; ON_SubDImpleCensusCounter m_census_counter;</div><div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160; ON_SubDimple() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160; ~ON_SubDimple();</div><div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160; ON_SubDimple(<span class="keyword">const</span> ON_SubDimple&amp;);</div><div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;</div><div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160; <span class="keywordtype">bool</span> IsValid(</div><div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160; <span class="keyword">const</span> ON_SubD&amp; subd,</div><div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160; <span class="keywordtype">bool</span> bSilentError,</div><div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160; <a class="code" href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a>*</div><div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;</div><div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160; <span class="comment">//unsigned int MaximumVertexId() const</span></div><div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160; <span class="comment">//{</span></div><div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160; <span class="comment">// return m_max_vertex_id;</span></div><div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160; <span class="comment">//}</span></div><div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;</div><div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160; <span class="comment">//unsigned int MaximumEdgeId() const</span></div><div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160; <span class="comment">//{</span></div><div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160; <span class="comment">// return m_max_edge_id;</span></div><div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160; <span class="comment">//}</span></div><div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;</div><div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160; <span class="comment">//unsigned int MaximumFaceId() const</span></div><div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160; <span class="comment">//{</span></div><div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160; <span class="comment">// return m_max_face_id;</span></div><div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160; <span class="comment">//}</span></div><div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;</div><div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160; <span class="keywordtype">bool</span> Write(</div><div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; archive</div><div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;</div><div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160; <span class="keywordtype">bool</span> Read(</div><div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; archive,</div><div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160; <span class="keyword">class</span> ON_SubD&amp; subd</div><div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160; );</div><div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;</div><div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160; <span class="keywordtype">bool</span> Transform( </div><div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>&amp; xform</div><div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160; );</div><div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;</div><div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDVertex* VertexFromId(</div><div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vertex_id</div><div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160; )<span class="keyword"> const</span></div><div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160; <span class="keywordflow">return</span> m_heap.VertexFromId(vertex_id);</div><div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160; }</div><div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;</div><div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDEdge* EdgeFromId(</div><div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_id</div><div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160; )<span class="keyword"> const</span></div><div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160; <span class="keywordflow">return</span> m_heap.EdgeFromId(edge_id);</div><div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160; }</div><div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;</div><div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDFace* FaceFromId(</div><div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_id</div><div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160; )<span class="keyword"> const</span></div><div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160; <span class="keywordflow">return</span> m_heap.FaceFromId(face_id);</div><div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160; }</div><div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;</div><div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160; ON_SubDLevelIterator LevelIterator()<span class="keyword"> const</span></div><div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160; ON_SubDLevelIterator lit;</div><div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160; lit.m_levels = (ON_SubDLevel**)m_levels.Array();</div><div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160; lit.m_level_count = m_levels.UnsignedCount();</div><div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160; <span class="keywordflow">return</span> lit;</div><div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160; }</div><div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;</div><div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> LevelCount()<span class="keyword"> const</span></div><div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160; <span class="keywordflow">return</span> m_levels.UnsignedCount();</div><div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160; }</div><div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;</div><div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160; <span class="keyword">class </span>ON_SubDEdge* AddEdge(</div><div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160; ON_SubD::EdgeTag edge_tag,</div><div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160; ON_SubDVertex* v0,</div><div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160; <span class="keywordtype">double</span> v0_sector_weight,</div><div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160; ON_SubDVertex* v1,</div><div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160; <span class="keywordtype">double</span> v1_sector_weight</div><div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160; );</div><div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;</div><div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;<span class="comment"> Split and edge.</span></div><div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;<span class="comment"> The input edge is modifed to terminate at the input vertex.</span></div><div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;<span class="comment"> The new edge begins at the input vertex and ends at the final vertex</span></div><div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;<span class="comment"> of the original input edge.</span></div><div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;<span class="comment"> edge - [in]</span></div><div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;<span class="comment"> edge to split.</span></div><div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;<span class="comment"> vertex_location - [in]</span></div><div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;<span class="comment"> location of inserted vertex.</span></div><div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;<span class="comment"> A pointer to the new edge or nullptr if the input is not valid.</span></div><div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160; <span class="keyword">const</span> ON_SubDEdge* SplitEdge(</div><div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160; ON_SubDEdge* edge,</div><div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160; <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a> vertex_location</div><div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160; );</div><div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;</div><div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160; <span class="keyword">class </span>ON_SubDFace* AddFace(</div><div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_count,</div><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160; <span class="keyword">const</span> ON_SubDEdgePtr* edge</div><div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160; );</div><div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;</div><div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;<span class="comment"> Split a face into two faces by inserting and edge connecting the</span></div><div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;<span class="comment"> specified vertices.</span></div><div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment"> face - [in]</span></div><div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;<span class="comment"> A face with at least four edges.</span></div><div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="comment"> fvi0 - [in]</span></div><div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="comment"> fvi1 - [in]</span></div><div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="comment"> Indices of the inserted edge ends.</span></div><div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;<span class="comment"> A pointer to the inserted edge.</span></div><div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;<span class="comment"> The inserted edge runs from face-&gt;Vertex(fvi0) to face-&gt;Vertex(fvi1).</span></div><div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;<span class="comment"> ON_SubDEdge.Face(0) is the original face and ON_SubDEdge::Face(1) is </span></div><div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;<span class="comment"> the added face.</span></div><div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;<span class="comment"> The first edge of the input face remains the first edge of face. </span></div><div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="comment"> The inserted edge is the first edge of the added face.</span></div><div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160; <span class="keyword">const</span> ON_SubDEdge* SplitFace(</div><div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160; ON_SubDFace* face,</div><div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fvi0,</div><div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fvi1</div><div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160; );</div><div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;</div><div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160; <span class="keywordtype">bool</span> SetSubDType(</div><div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160; ON_SubD::SubDType subdivision_type</div><div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160; );</div><div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;</div><div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160; <span class="keyword">class </span>ON_SubDVertex* AllocateVertex(</div><div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160; ON_SubD::VertexTag vertex_tag,</div><div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level,</div><div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span>* P</div><div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160; )</div><div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160; {</div><div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160; <span class="keyword">class </span>ON_SubDVertex* v = m_heap.AllocateVertexAndSetId(m_max_vertex_id);</div><div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160; v-&gt;m_level = (<span class="keywordtype">unsigned</span> short)level;</div><div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160; v-&gt;m_vertex_tag = vertex_tag;</div><div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != P)</div><div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160; {</div><div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160; v-&gt;m_P[0] = P[0];</div><div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160; v-&gt;m_P[1] = P[1];</div><div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160; v-&gt;m_P[2] = P[2];</div><div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160; }</div><div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160; <span class="keywordflow">return</span> v;</div><div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160; }</div><div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;</div><div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160; <span class="keyword">class </span>ON_SubDVertex* AllocateVertex(</div><div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160; ON_SubD::VertexTag vertex_tag,</div><div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level,</div><div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span>* P,</div><div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_capacity,</div><div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_capacity</div><div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160; )</div><div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160; {</div><div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160; <span class="keyword">class </span>ON_SubDVertex* v = AllocateVertex(vertex_tag,level,P);</div><div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;</div><div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160; <span class="keywordflow">if</span> (edge_capacity &gt; 0 &amp;&amp; edge_capacity &lt; ON_SubDVertex::MaximumEdgeCount )</div><div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160; m_heap.GrowVertexEdgeArray(v,edge_capacity);</div><div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160; <span class="keywordflow">if</span> (face_capacity &gt; 0 &amp;&amp; face_capacity &lt; ON_SubDVertex::MaximumFaceCount )</div><div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160; m_heap.GrowVertexFaceArray(v,face_capacity);</div><div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160; <span class="keywordflow">return</span> v;</div><div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160; }</div><div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;</div><div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDVertex* AddVertexToLevel(<span class="keyword">class</span> ON_SubDVertex* v)</div><div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160; {</div><div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160; <span class="keyword">class </span>ON_SubDLevel* subd_level = SubDLevel(v-&gt;m_level,<span class="keyword">true</span>);</div><div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160; <span class="keywordflow">return</span> (subd_level) ? subd_level-&gt;AddVertex(v) : <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160; }</div><div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;</div><div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160; <span class="keywordtype">void</span> ReturnVertex(<span class="keyword">class</span> ON_SubDVertex* v)</div><div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160; {</div><div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != v &amp;&amp; v-&gt;m_level &lt; m_levels.UnsignedCount())</div><div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160; {</div><div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160; ON_SubDLevel* level = m_levels[v-&gt;m_level];</div><div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160; <span class="keywordflow">if</span> (level)</div><div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160; level-&gt;RemoveVertex(v);</div><div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160; }</div><div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160; v-&gt;ClearSavedLimitPoints(); <span class="comment">// return extras to pool</span></div><div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160; m_heap.ReturnVertex(v);</div><div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160; }</div><div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;</div><div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160; <span class="keyword">class </span>ON_SubDEdge* AllocateEdge(</div><div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160; ON_SubD::EdgeTag edge_tag</div><div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160; )</div><div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160; {</div><div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160; <span class="keyword">class </span>ON_SubDEdge* e = m_heap.AllocateEdgeAndSetId(m_max_edge_id);</div><div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160; e-&gt;m_edge_tag = edge_tag;</div><div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160; <span class="keywordflow">return</span> e;</div><div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160; }</div><div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;</div><div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160; <span class="keyword">class </span>ON_SubDEdge* AllocateEdge(</div><div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160; ON_SubD::EdgeTag edge_tag,</div><div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level,</div><div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_capacity</div><div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160; )</div><div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160; {</div><div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160; <span class="keyword">class </span>ON_SubDEdge* e = AllocateEdge(edge_tag);</div><div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160; e-&gt;m_level = (<span class="keywordtype">unsigned</span> short)level;</div><div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160; <span class="keywordflow">if</span> (face_capacity &gt; 0 &amp;&amp; face_capacity &lt;= ON_SubDEdge::MaximumFaceCount )</div><div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160; m_heap.GrowEdgeFaceArray(e,face_capacity);</div><div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160; <span class="keywordflow">return</span> e;</div><div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160; }</div><div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;</div><div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDEdge* AddEdgeToLevel(<span class="keyword">class</span> ON_SubDEdge* e)</div><div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160; {</div><div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160; <span class="keyword">class </span>ON_SubDLevel* subd_level = SubDLevel(e-&gt;m_level,<span class="keyword">true</span>);</div><div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160; <span class="keywordflow">return</span> (subd_level) ? subd_level-&gt;AddEdge(e) : <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160; }</div><div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;</div><div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160; <span class="keywordtype">void</span> ReturnEdge(<span class="keyword">class</span> ON_SubDEdge* e)</div><div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160; {</div><div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != e &amp;&amp; e-&gt;m_level &lt; m_levels.UnsignedCount())</div><div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160; {</div><div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160; ON_SubDLevel* level = m_levels[e-&gt;m_level];</div><div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160; <span class="keywordflow">if</span> (level)</div><div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160; level-&gt;RemoveEdge(e);</div><div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160; }</div><div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160; m_heap.ReturnEdge(e);</div><div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160; }</div><div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;</div><div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160; <span class="keyword">class </span>ON_SubDFace* AllocateFace()</div><div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160; {</div><div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160; <span class="keyword">class </span>ON_SubDFace* f = m_heap.AllocateFaceAndSetId(m_max_face_id);</div><div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160; <span class="keywordflow">return</span> f;</div><div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160; }</div><div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;</div><div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160; <span class="keyword">class </span>ON_SubDFace* AllocateFace(</div><div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level,</div><div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_capacity</div><div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160; )</div><div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160; {</div><div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160; <span class="keyword">class </span>ON_SubDFace* f = AllocateFace();</div><div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != f)</div><div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160; {</div><div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160; f-&gt;m_level = (<span class="keywordtype">unsigned</span> short)level;</div><div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160; <span class="keywordflow">if</span> (edge_capacity &gt; <span class="keyword">sizeof</span>(f-&gt;m_edge4)/<span class="keyword">sizeof</span>(f-&gt;m_edge4[0]) &amp;&amp; edge_capacity &lt;= ON_SubDFace::MaximumEdgeCount)</div><div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160; m_heap.GrowFaceEdgeArray(f,edge_capacity);</div><div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160; }</div><div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160; <span class="keywordflow">return</span> f;</div><div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160; }</div><div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;</div><div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160; <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDFace* AddFaceToLevel(<span class="keyword">class</span> ON_SubDFace* f)</div><div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160; {</div><div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160; <span class="keyword">class </span>ON_SubDLevel* subd_level = SubDLevel(f-&gt;m_level,<span class="keyword">true</span>);</div><div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160; <span class="keywordflow">return</span> (subd_level) ? subd_level-&gt;AddFace(f) : <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160; }</div><div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;</div><div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160; <span class="keywordtype">void</span> ReturnFace(<span class="keyword">class</span> ON_SubDFace* f)</div><div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160; {</div><div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != f &amp;&amp; f-&gt;m_level &lt; m_levels.UnsignedCount())</div><div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160; {</div><div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160; ON_SubDLevel* level = m_levels[f-&gt;m_level];</div><div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160; <span class="keywordflow">if</span> (level)</div><div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160; level-&gt;RemoveFace(f);</div><div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160; }</div><div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160; m_heap.ReturnFace(f);</div><div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160; }</div><div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;</div><div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> DeleteComponents(</div><div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index</div><div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160; );</div><div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;</div><div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;<span class="comment"> Discard all contents of this ON_SubDimple.</span></div><div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;<span class="comment"> More efficient than Destroy() if this ON_SubDimple will be reused soon.</span></div><div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160; <span class="keywordtype">void</span> Clear();</div><div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;</div><div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160; <span class="keywordtype">void</span> ClearSubdivisionLevels(</div><div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> max_level_index</div><div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160; );</div><div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;</div><div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160; <span class="keywordtype">size_t</span> SizeOf()<span class="keyword"> const</span></div><div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160; <span class="keywordtype">size_t</span> sz = <span class="keyword">sizeof</span>(*this) + m_heap.SizeOf() - <span class="keyword">sizeof</span>(m_heap);</div><div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160; <span class="keywordflow">return</span> sz;</div><div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160; }</div><div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;</div><div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160; <span class="keywordtype">bool</span> Subdivide(</div><div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160; ON_SubD::SubDType subd_type,</div><div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index,</div><div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count</div><div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160; );</div><div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;</div><div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;<span class="comment"> Apply global subdivision to m_levels[].Last().</span></div><div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GlobalSubdivide(</div><div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160; ON_SubD::SubDType subdivision_type,</div><div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160; <span class="keywordtype">bool</span> bUseSavedSubdivisionPoints</div><div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160; );</div><div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;</div><div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MergeColinearEdges(</div><div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160; <span class="keywordtype">double</span> distance_tolerance,</div><div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160; <span class="keywordtype">double</span> maximum_aspect,</div><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160; <span class="keywordtype">double</span> sin_angle_tolerance</div><div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160; );</div><div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;</div><div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160; ON_SubDEdgePtr MergeEdges(</div><div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160; ON_SubDEdgePtr eptr0,</div><div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160; ON_SubDEdgePtr eptr1</div><div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160; );</div><div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;</div><div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160; <span class="keywordtype">bool</span> GrowVertexEdgeArray(</div><div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160; ON_SubDVertex* v,</div><div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160; );</div><div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160; <span class="keywordtype">bool</span> GrowVertexFaceArray(</div><div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160; ON_SubDVertex* v,</div><div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160; );</div><div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160; <span class="keywordtype">bool</span> GrowEdgeFaceArray(</div><div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160; ON_SubDEdge* e,</div><div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160; );</div><div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160; <span class="keywordtype">bool</span> GrowFaceEdgeArray(</div><div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160; ON_SubDFace* f,</div><div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160; <span class="keywordtype">size_t</span> capacity</div><div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160; );</div><div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;</div><div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160; ON_SubDHeap m_heap;</div><div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;</div><div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_max_vertex_id = 0;</div><div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_max_edge_id = 0;</div><div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_max_face_id = 0;</div><div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160; </div><div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160; <a class="code" href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray&lt; ON_SubDLevel* &gt;</a> m_levels;</div><div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160; ON_SubDLevel* m_active_level = <span class="keyword">nullptr</span>; <span class="comment">// m_active_level = nullptr or m_active_level = m_levels[m_active_level-&gt;m_level_index].</span></div><div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;</div><div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;<span class="comment"> Active level</span></div><div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160; <span class="keyword">const</span> ON_SubDLevel&amp; ActiveLevel()<span class="keyword"> const</span></div><div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;<span class="keyword"> </span>{</div><div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160; <span class="keywordflow">return</span> (<span class="keyword">nullptr</span> != m_active_level) ? *m_active_level : ON_SubDLevel::Empty;</div><div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160; }</div><div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160; </div><div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160; ON_SubDLevel* ActiveLevelPointer()</div><div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160; {</div><div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160; <span class="keywordflow">return</span> m_active_level;</div><div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160; }</div><div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;</div><div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160; <span class="keywordtype">bool</span> SetActiveLevel(</div><div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index</div><div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160; )</div><div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160; {</div><div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160; <span class="keywordflow">if</span> (level_index &lt; m_levels.<a class="code" href="../../dc/dfe/class_o_n___simple_array.html#a7afd26b9d114490a7814353e3590f3a4">UnsignedCount</a>())</div><div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160; {</div><div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160; m_active_level = m_levels[level_index];</div><div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160; }</div><div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160; }</div><div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160; </div><div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160; <span class="keyword">class </span>ON_SubDLevel const * SubDLevel(</div><div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index</div><div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;</div><div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160; ON_SubDLevel* ActiveLevel(</div><div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160; <span class="keywordtype">bool</span> bCreateIfNeeded</div><div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160; );</div><div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;</div><div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160; <span class="keyword">class </span>ON_SubDLevel* SubDLevel(</div><div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index,</div><div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160; <span class="keywordtype">bool</span> bCreateIfNeeded</div><div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160; );</div><div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;</div><div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;<span class="comment"> Delete all contents release all memory used by this ON_SubDimple.</span></div><div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160; <span class="keywordtype">void</span> Destroy();</div><div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;</div><div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160; <span class="keywordtype">bool</span> IsValidLevel(</div><div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160; <span class="keyword">const</span> ON_SubD&amp; subd,</div><div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level_index,</div><div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160; <span class="keywordtype">bool</span> bSilentError,</div><div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160; <a class="code" href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a>* text_log</div><div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;</div><div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;<span class="comment"> Number of quads added. When all input is valid the</span></div><div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;<span class="comment"> returned value is &gt;= 4 and equal to face-&gt;m_edge_count.</span></div><div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GlobalQuadSubdivideFace(</div><div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160; <span class="keywordtype">bool</span> bUseSavedSubdivisionPoint,</div><div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160; );</div><div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;</div><div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;<span class="comment"> face - [in]</span></div><div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;<span class="comment"> bUseSavedSubdivisionPoint - [in]</span></div><div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;<span class="comment"> bUnsetEdgeWeight - [out]</span></div><div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;<span class="comment"> false - new edges have weights set</span></div><div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;<span class="comment"> true - the value of one or more ON_SubDEdge::m_vertex_weight[]</span></div><div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;<span class="comment"> was set to ON_SubDSectorType::UnsetSectorWeight because it cannot</span></div><div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;<span class="comment"> be calculated until the the rest of the subdivision is complete.</span></div><div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;<span class="comment"> This happens when sector face counts are required</span></div><div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;<span class="comment"> and a non-triangluar face is present in the level bing subdivided.</span></div><div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;<span class="comment"> Number of triangles added.</span></div><div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;<span class="comment"> If the input is valid and face-&gt;m_edge_count = 3, then the</span></div><div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;<span class="comment"> returned value will be 4.</span></div><div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;<span class="comment"> If the input is valid and face-&gt;m_edge_count &gt; 3, then the</span></div><div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160;<span class="comment"> returned value will be 2*face-&gt;m_edge_count.</span></div><div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GlobalTriSubdivideFace(</div><div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>&#160; <span class="keyword">const</span> ON_SubDFace* face,</div><div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160; <span class="keywordtype">bool</span> bUseSavedSubdivisionPoint,</div><div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160; <span class="keywordtype">bool</span>* bUnsetEdgeWeight</div><div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160; );</div><div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;</div><div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160; ON_SubDimple&amp; operator=(<span class="keyword">const</span> ON_SubDimple&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;};</div><div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;</div><div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160;</div><div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;</div><div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;<span class="keyword">class </span>ON_SubDQuadFaceSubdivisionCounter</div><div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;{</div><div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160; <span class="keyword">const</span> ON_SubDFace* m_level0_face = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_level0_face_id = 0;</div><div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;</div><div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> m_subdivision_count = 0;</div><div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> m_corner_index[9];</div><div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;</div><div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160; <span class="keywordtype">void</span> SetLevel0Face(</div><div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160; )</div><div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160; {</div><div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160; m_level0_face = face;</div><div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>&#160; m_level0_face_id = (<span class="keyword">nullptr</span> == face) ? 0 : face-&gt;m_id;</div><div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>&#160; m_subdivision_count = 0;</div><div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>&#160; }</div><div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>&#160;</div><div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>&#160; <span class="keywordtype">bool</span> BreakpointTest();</div><div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>&#160;</div><div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160; <span class="keywordtype">void</span> Push(</div><div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_corner_index</div><div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>&#160; )</div><div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>&#160; {</div><div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>&#160; <span class="keywordflow">if</span> ( face_corner_index &gt;= 0xFFFFU )</div><div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>&#160; face_corner_index = 0xFFFFU;</div><div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>&#160; <span class="keywordflow">if</span> ( m_subdivision_count &lt; <span class="keyword">sizeof</span>(m_corner_index)/<span class="keyword">sizeof</span>(m_corner_index[0]) )</div><div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>&#160; m_corner_index[m_subdivision_count] = (<span class="keywordtype">unsigned</span> short)face_corner_index;</div><div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>&#160; m_subdivision_count++;</div><div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>&#160; BreakpointTest();</div><div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160; }</div><div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;</div><div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160; <span class="keywordtype">void</span> Pop()</div><div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160; {</div><div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160; <span class="keywordflow">if</span> ( m_subdivision_count &gt; 0 )</div><div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160; m_subdivision_count--;</div><div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160; }</div><div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160;};</div><div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>&#160;</div><div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>&#160;<span class="comment">// ON_SubDQuadFaceMesher</span></div><div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>&#160;</div><div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>&#160;<span class="keyword">class </span>ON_SubDQuadFacePatcher</div><div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>&#160;{</div><div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>&#160; ON_SubDLimitPatchFragment m_patch_fragment = ON_SubDLimitPatchFragment::Empty;</div><div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_display_density = 0;</div><div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_patch_count = 0;</div><div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160; ON__UINT_PTR m_fragment_callback_context = 0;</div><div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160; bool (*m_fragment_callback_function)(ON__UINT_PTR, <span class="keyword">const</span> <span class="keyword">class </span>ON_SubDLimitPatchFragment*) = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160; <span class="keywordtype">bool</span> m_bCallbackResult = <span class="keyword">false</span>;</div><div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160; </div><div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160; <span class="keywordtype">bool</span> SendSinglePatch(</div><div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> display_density,</div><div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> ON_SubDQuadFaceSubdivisionCounter&amp; quad_face_subdivision_counter,</div><div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160; ON_SubDLimitPatchFragment::PatchType patch_type</div><div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160; );</div><div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160; </div><div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160; <span class="keywordtype">bool</span> SendMultiPatch(</div><div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> display_density,</div><div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> ON_SubDQuadFaceSubdivisionCounter&amp; quad_face_subdivision_counter,</div><div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>&#160; <span class="keyword">const</span> ON_SubDLimitPatchFragment::PatchType patch_type[4]</div><div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>&#160; );</div><div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>&#160;};</div><div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>&#160;</div><div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>&#160;<span class="keyword">class </span>ON_SubDQuadFaceMesher</div><div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>&#160;{</div><div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>&#160; ON_SubDQuadFaceMesher() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>&#160;</div><div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>&#160; ~ON_SubDQuadFaceMesher()</div><div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>&#160; {</div><div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>&#160; <span class="keywordflow">if</span> (<span class="keyword">nullptr</span> != m__buffer)</div><div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>&#160; {</div><div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>&#160; <span class="keyword">delete</span>[] m__buffer;</div><div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>&#160; m__buffer = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>&#160; m__buffer_capacity = 0;</div><div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>&#160; }</div><div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>&#160; }</div><div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>&#160;</div><div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>&#160; <span class="keyword">enum class</span> Output : unsigned int</div><div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>&#160; {</div><div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>&#160; unset = 0,</div><div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160; mesh = 1,</div><div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160; patches = 2</div><div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160; };</div><div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;</div><div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160; ON_SubDQuadFaceMesher::Output m_output = ON_SubDQuadFaceMesher::Output::unset;</div><div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;</div><div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160; <span class="comment">// The m_display_density parameter determines the density of output.</span></div><div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_display_density = 0;</div><div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;</div><div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_reserved = 0;</div><div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;<span class="comment"> //////////////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;<span class="comment"></span> <span class="comment">//</span></div><div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160; <span class="comment">// SubD limit surface mesh output</span></div><div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160; <span class="comment">// The mesh has m_count x m_count quads, where m_count = 2^m_mesh_density.</span></div><div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160; <span class="comment">// There are (m_count+1)*(m_count+1) points in the mesh.</span></div><div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_count = 0;</div><div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_capacity = 0;</div><div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;</div><div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;</div><div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160; <span class="comment">// Point(i,j) = (m_points + i*m_point_stride0 + j*m_point_stride1)[0,1,2]</span></div><div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>&#160; <span class="keywordtype">size_t</span> m_point_stride0 = 0;</div><div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160; <span class="keywordtype">size_t</span> m_point_stride1 = 0;</div><div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160; <span class="keywordtype">double</span>* m_points = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160;</div><div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>&#160; <span class="comment">// Normal(i,j) = (m_normals + i*m_normal_stride0 + j*m_normal_stride1)[0,1,2]</span></div><div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160; <span class="keywordtype">size_t</span> m_normal_stride0 = 0;</div><div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160; <span class="keywordtype">size_t</span> m_normal_stride1 = 0;</div><div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160; <span class="keywordtype">double</span>* m_normals = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;<span class="comment"></span></div><div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;<span class="comment"> //////////////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;<span class="comment"></span> <span class="comment">//</span></div><div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160; <span class="comment">// SubD limit surface NURBS patch output</span></div><div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>&#160; <span class="keyword">class </span>ON_SubDQuadFacePatcher* m_patcher = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>&#160;</div><div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>&#160;<span class="comment"> Allocates memory this ON_SubDQuadFaceMesher manages (m_buffer) and</span></div><div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>&#160;<span class="comment"> uses it for the m_points and m_normals arrays.</span></div><div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>&#160; <span class="keywordtype">bool</span> SetDestinationToLocalMeshBuffer(</div><div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mesh_density</div><div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>&#160; );</div><div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>&#160;</div><div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;<span class="comment"> Set the first coordinate of every point to ON_UNSET_VALUE.</span></div><div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160; <span class="keywordtype">bool</span> UnsetMeshPoints();</div><div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;</div><div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;<span class="comment"> Uses memory on fragment as the destination and sets the m_points and m_normals</span></div><div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;<span class="comment"> arrays on this to point to appropriate locations in fragment.m_P and fragment.m_N.</span></div><div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160; <span class="keywordtype">bool</span> SetDestinationToMeshFragment(</div><div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mesh_density,</div><div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160; <span class="keyword">class</span> ON_SubDLimitMeshFragment&amp; mesh_fragment</div><div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160; );</div><div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;</div><div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160; <span class="keywordtype">bool</span> SetDestinationToPatchFragment(</div><div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160; <span class="keyword">class</span> ON_SubDQuadFacePatcher&amp; patcher</div><div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160; );</div><div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;</div><div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160; <span class="keywordtype">bool</span> GetLimitMesh(</div><div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>&#160; <span class="keyword">class</span> ON_SubDQuadFaceSubdivisionCounter&amp; quad_face_subdivision_counter,</div><div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>&#160; );</div><div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>&#160;</div><div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>&#160; <span class="keywordtype">bool</span> GetLimitPatches(</div><div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>&#160; <span class="keyword">class</span> ON_SubDQuadFaceSubdivisionCounter&amp; quad_face_subdivision_counter,</div><div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>&#160; );</div><div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>&#160;</div><div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>&#160; <span class="keywordtype">double</span>* Internal_Buffer(<span class="keywordtype">size_t</span> buffer_capacity);</div><div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>&#160;</div><div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160; <span class="keywordtype">size_t</span> m__buffer_capacity = 0;</div><div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160; <span class="keywordtype">double</span>* m__buffer = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;</div><div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;<span class="comment"> Get values of cubic uniform B-spline basis functions times 6.</span></div><div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;<span class="comment"> t - [in] 0.0 &lt;= t &lt;= 1.0</span></div><div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;<span class="comment"> Evaluation parameter</span></div><div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;<span class="comment"> b - [out]</span></div><div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;<span class="comment"> t^3,</span></div><div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;<span class="comment"> (1 + 3t + 3t^2 - 3t^3)</span></div><div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;<span class="comment"> (1 + 3(1-t) + 3(1-t)^2 - 3(1-t)^3)</span></div><div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;<span class="comment"> (1-t)^3</span></div><div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;<span class="comment"> If C0, C1, C2, C3 are the control points for a span</span></div><div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;<span class="comment"> of a uniform cubic B-spline and the domain of the</span></div><div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;<span class="comment"> span is 0 &lt;= t &lt;= 1, then</span></div><div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;<span class="comment"> C(t) = (b[0]*C0 + b[1]*C1 + b[2]*C2 + b[3]*C3)/6.</span></div><div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> Get6xCubicBasis(</div><div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>&#160; <span class="keywordtype">double</span> t,</div><div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>&#160; <span class="keywordtype">double</span> b6[4]</div><div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>&#160; );</div><div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>&#160;</div><div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>&#160;<span class="comment"> Get values of derviatives of cubic uniform B-spline basis functions.</span></div><div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>&#160;<span class="comment"> t - [in] 0.0 &lt;= t &lt;= 1.0</span></div><div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>&#160;<span class="comment"> Evaluation parameter</span></div><div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>&#160;<span class="comment"> b - [out]</span></div><div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>&#160;<span class="comment"> t^3,</span></div><div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>&#160;<span class="comment"> (1 + 3t + 3t^2 - 3t^3)</span></div><div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>&#160;<span class="comment"> (1 + 3(1-t) + 3(1-t)^2 - 3(1-t)^3)</span></div><div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>&#160;<span class="comment"> (1-t)^3</span></div><div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>&#160;<span class="comment"> If C0, C1, C2, C3 are the control points for a span</span></div><div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>&#160;<span class="comment"> of a uniform cubic B-spline and the domain of the</span></div><div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>&#160;<span class="comment"> span is 0 &lt;= t &lt;= 1, then the first derivative is</span></div><div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>&#160;<span class="comment"> C&#39;(t) = (b[0]*C0 + b[1]*C1 + b[2]*C2 + b[3]*C3).</span></div><div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> GetCubicBasisDerivative(</div><div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160; <span class="keywordtype">double</span> t,</div><div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>&#160; <span class="keywordtype">double</span> b[4]</div><div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>&#160; );</div><div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>&#160; </div><div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>&#160;<span class="comment"> Calcululate a quad mesh from the bi-cubic uniform B-spline surface.</span></div><div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>&#160;<span class="comment"> true:</span></div><div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>&#160;<span class="comment"> successful</span></div><div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>&#160;<span class="comment"> false:</span></div><div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>&#160;<span class="comment"> failure</span></div><div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>&#160; <span class="keywordtype">bool</span> EvaluateSurface(</div><div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count,</div><div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> point_i0,</div><div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> point_j0</div><div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>&#160; ) <span class="keyword">const</span>; </div><div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>&#160;</div><div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>&#160; <span class="keywordtype">bool</span> GetLimitSubMeshOrPatch(</div><div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>&#160; <span class="keyword">class</span> ON_SubDQuadFaceSubdivisionCounter&amp; quad_face_subdivision_counter,</div><div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>&#160; <span class="keyword">class</span> ON_SubDQuadNeighborhood* qft, <span class="comment">// may be destroyed</span></div><div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> display_density,</div><div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> point_i0,</div><div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> point_j0</div><div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>&#160; );</div><div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>&#160;</div><div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>&#160; <span class="keywordtype">bool</span> Internal_EvaluateSurfaceNormalBackup1(</div><div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>&#160; <span class="keywordtype">double</span> s,</div><div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>&#160; <span class="keywordtype">double</span> t,</div><div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count,</div><div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i,</div><div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j,</div><div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>&#160; <span class="keywordtype">double</span>* N</div><div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>&#160; ) <span class="keyword">const</span>; </div><div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>&#160; <span class="keywordtype">bool</span> Internal_EvaluateSurfaceNormalBackup2(</div><div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span>* P00,</div><div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count,</div><div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i,</div><div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j,</div><div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>&#160; <span class="keywordtype">double</span>* N</div><div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>&#160; ) <span class="keyword">const</span>; </div><div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>&#160; <span class="comment">// Workspaces used by GetLimitSubMesh()</span></div><div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>&#160; <span class="keywordtype">double</span> m_srf_cv[4][4][3];</div><div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>&#160; ON_SubD_FixedSizeHeap m_fshx[5];</div><div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>&#160;</div><div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>&#160; ON_SubD_FixedSizeHeap* CheckOutLocalFixedSizeHeap()</div><div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>&#160; {</div><div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> count = <span class="keyword">sizeof</span>(m_fshx) / <span class="keyword">sizeof</span>(m_fshx[0]);</div><div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; count; i++)</div><div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>&#160; {</div><div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>&#160; <span class="keywordflow">if</span> ( <span class="keyword">false</span> == m_fshx[i].InUse() )</div><div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>&#160; <span class="keywordflow">return</span> &amp;m_fshx[i];</div><div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>&#160; }</div><div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">nullptr</span>);</div><div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>&#160; }</div><div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>&#160;</div><div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>&#160; <span class="keywordtype">bool</span> ReturnLocalFixedSizeHeap(ON_SubD_FixedSizeHeap* fsh)</div><div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>&#160; {</div><div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>&#160; <span class="keywordflow">if</span> ( <span class="keyword">nullptr</span> == fsh)</div><div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>&#160; <span class="keywordflow">return</span> ON_SUBD_RETURN_ERROR(<span class="keyword">false</span>);</div><div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>&#160;</div><div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> count = <span class="keyword">sizeof</span>(m_fshx) / <span class="keyword">sizeof</span>(m_fshx[0]);</div><div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; count; i++)</div><div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>&#160; {</div><div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>&#160; <span class="keywordflow">if</span> (fsh == &amp;m_fshx[i])</div><div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>&#160; {</div><div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>&#160; m_fshx[i].Reset();</div><div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>&#160; }</div><div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>&#160; }</div><div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>&#160;</div><div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// not an error</span></div><div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>&#160; }</div><div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>&#160;</div><div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>&#160; <span class="keywordtype">void</span> ReturnAllFixedSizeHeaps()</div><div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>&#160; {</div><div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> count = <span class="keyword">sizeof</span>(m_fshx) / <span class="keyword">sizeof</span>(m_fshx[0]);</div><div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; count; i++)</div><div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>&#160; {</div><div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>&#160; m_fshx[i].Reset();</div><div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>&#160; }</div><div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>&#160; }</div><div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>&#160;</div><div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>&#160; <span class="keywordtype">void</span> SetDestinationInitialize(</div><div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>&#160; ON_SubDQuadFaceMesher::Output output</div><div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>&#160; );</div><div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>&#160;</div><div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>&#160;</div><div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>&#160; <span class="comment">// copies not supported</span></div><div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>&#160; ON_SubDQuadFaceMesher(<span class="keyword">const</span> ON_SubDQuadFaceMesher&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>&#160; ON_SubDQuadFaceMesher&amp; operator=(<span class="keyword">const</span> ON_SubDQuadFaceMesher&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>&#160;};</div><div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>&#160;</div><div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>&#160;</div><div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>&#160;<span class="keyword">class </span>ON_SubDArchiveIdMap</div><div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>&#160;{</div><div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>&#160; <span class="comment">// used for file IO, copy construction, and operator= where the problem</span></div><div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>&#160; <span class="comment">// of converting to/from pointers to archive_ids is necessary.</span></div><div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>&#160; <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ArchiveIdFromComponentPtr(</div><div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>&#160; ON__UINT_PTR ptr</div><div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>&#160; );</div><div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>&#160;</div><div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>&#160; <span class="keywordtype">bool</span> ConvertArchiveIdToRuntimeVertexPtr(</div><div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> vertex_count,</div><div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>&#160; <span class="keywordtype">size_t</span> vertex_capacity,</div><div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>&#160; ON_SubDVertex** vertex</div><div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>&#160; );</div><div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>&#160;</div><div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>&#160; <span class="keywordtype">bool</span> ConvertArchiveIdToRuntimeEdgePtr(</div><div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edge_count,</div><div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>&#160; <span class="keywordtype">size_t</span> edgeN_capacity,</div><div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>&#160; ON_SubDEdgePtr* edgeN,</div><div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> edgeX_capacity,</div><div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>&#160; ON_SubDEdgePtr* edgeX</div><div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>&#160; );</div><div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>&#160;</div><div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>&#160; <span class="keywordtype">bool</span> ConvertArchiveIdToRuntimeFacePtr(</div><div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> face_count,</div><div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>&#160; <span class="keywordtype">size_t</span> faceN_capacity,</div><div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>&#160; ON_SubDFacePtr* faceN,</div><div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> faceX_capacity,</div><div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>&#160; ON_SubDFacePtr* faceX</div><div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>&#160; );</div><div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>&#160;</div><div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> ValidateArrayCounts(</div><div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>&amp; array_count,</div><div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>&#160; <span class="keywordtype">size_t</span> arrayN_capacity,</div><div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>&#160; <span class="keyword">const</span> <span class="keywordtype">void</span>* arrayN,</div><div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> arrayX_capacity,</div><div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>&#160; <span class="keyword">const</span> <span class="keywordtype">void</span>* arrayX</div><div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>&#160; );</div><div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>&#160;</div><div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromVertex(</div><div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>&#160; ON_SubDVertexPtr vertex_ptr</div><div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>&#160; );</div><div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>&#160;</div><div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromEdge(</div><div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>&#160; ON_SubDEdgePtr edge_ptr</div><div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>&#160; );</div><div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>&#160;</div><div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromFace(</div><div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>&#160; ON_SubDFacePtr face_ptr</div><div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>&#160; );</div><div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>&#160;</div><div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromVertex(</div><div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>&#160; <span class="keyword">const</span> ON_SubDVertex* vertex</div><div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>&#160; );</div><div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>&#160;</div><div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromEdge(</div><div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>&#160; <span class="keyword">const</span> ON_SubDEdge* edge</div><div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>&#160; );</div><div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>&#160;</div><div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>&#160; <span class="keyword">static</span> ON_SubDComponentPtr FromFace(</div><div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>&#160; <span class="keyword">const</span> ON_SubDFace* face</div><div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>&#160; );</div><div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>&#160;</div><div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>&#160; <span class="keyword">static</span> ON_SubDVertex* CopyVertex(</div><div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>&#160; <span class="keyword">const</span> ON_SubDVertex* src,</div><div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>&#160; <span class="keyword">class</span> ON_SubDimple&amp; subdimple</div><div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>&#160; );</div><div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>&#160;</div><div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>&#160; <span class="keyword">static</span> ON_SubDEdge* CopyEdge(</div><div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>&#160; <span class="keyword">const</span> ON_SubDEdge* src,</div><div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>&#160; <span class="keyword">class</span> ON_SubDimple&amp; subdimple</div><div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>&#160; );</div><div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>&#160;</div><div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>&#160; <span class="keyword">static</span> ON_SubDFace* CopyFace(</div><div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>&#160; <span class="keyword">const</span> ON_SubDFace* src,</div><div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>&#160; <span class="keyword">class</span> ON_SubDimple&amp; subdimple</div><div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>&#160; );</div><div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>&#160;</div><div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>&#160; ON_SubDArchiveIdMap();</div><div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>&#160;</div><div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>&#160; <span class="keywordtype">bool</span> Reset();</div><div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>&#160;</div><div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Count();</div><div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>&#160;</div><div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>&#160; <span class="keyword">const</span> ON_SubDComponentPtr* First();</div><div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>&#160; <span class="keyword">const</span> ON_SubDComponentPtr* Next();</div><div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>&#160;</div><div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>&#160; <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> ON_SubDVertex* vertex);</div><div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>&#160; <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> ON_SubDEdge* edge);</div><div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>&#160; <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> ON_SubDFace* face);</div><div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>&#160;</div><div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>&#160; <span class="keyword">class </span>ON_SubDVertex* AddCopy(<span class="keyword">const</span> <span class="keyword">class</span> ON_SubDVertex* source_vertex, <span class="keyword">class</span> ON_SubDimple&amp; subdimple);</div><div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>&#160; <span class="keyword">class </span>ON_SubDEdge* AddCopy(<span class="keyword">const</span> <span class="keyword">class</span> ON_SubDEdge* source_edgeclass, <span class="keyword">class</span> ON_SubDimple&amp; subdimple);</div><div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>&#160; <span class="keyword">class </span>ON_SubDFace* AddCopy(<span class="keyword">const</span> <span class="keyword">class</span> ON_SubDFace* source_faceclass, <span class="keyword">class</span> ON_SubDimple&amp; subdimple);</div><div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>&#160;</div><div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>&#160; <span class="keyword">const</span> ON_SubDComponentPtr* ComponentPtrFromArchiveId(</div><div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> archive_id</div><div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>&#160;</div><div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_archive_id_partition[4];</div><div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>&#160;</div><div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ConvertArchiveIdsToRuntimePointers();</div><div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>&#160;</div><div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>&#160; <span class="keywordtype">bool</span> AddComponentPtr(ON_SubDComponentPtr eptr, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> archive_id);</div><div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>&#160; </div><div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_element_index = ON_UNSET_UINT_INDEX;</div><div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_element_count = 0;</div><div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fsp;</div><div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>&#160; <a class="code" href="../../de/da1/class_o_n___fixed_size_pool_iterator.html">ON_FixedSizePoolIterator</a> m_fsp_it;</div><div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>&#160;};</div><div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>&#160;<span class="comment"></span></div><div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>&#160;<span class="comment">//////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>&#160;<span class="comment">// ON_SubDLimitMesh</span></div><div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>&#160;</div><div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>&#160;<span class="keyword">class </span><span class="comment">/*DO NOT EXPORT*/</span>ON_SubDLimitMeshImpl</div><div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>&#160;{</div><div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>&#160;<span class="preprocessor">#if defined(ON_SUBD_CENSUS)</span></div><div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>&#160; ON_SubDLimitMeshImplCensusCounter m_census_counter;</div><div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>&#160;</div><div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>&#160; ON_SubDLimitMeshImpl();</div><div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>&#160; ~ON_SubDLimitMeshImpl() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>&#160; ON_SubDLimitMeshImpl(<span class="keyword">const</span> ON_SubDLimitMeshImpl&amp; src);</div><div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>&#160;</div><div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>&#160; <span class="comment">// no operator =</span></div><div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>&#160; ON_SubDLimitMeshImpl&amp; operator=(<span class="keyword">const</span> ON_SubDLimitMeshImpl&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>&#160;</div><div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>&#160; ON_SubD::FacetType m_facet_type = ON_SubD::FacetType::Unset;</div><div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_reserved1 = 0;</div><div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> m_reserved2 = 0;</div><div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_reserved3 = 0;</div><div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_limit_mesh_content_serial_number;</div><div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>&#160; <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Internal_NextContentSerialNumber();</div><div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_display_density = 0;</div><div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_fragment_count = 0;</div><div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_fragment_point_count = 0;</div><div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>&#160; ON_SubDLimitMeshFragment* m_first_fragment = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>&#160; ON_SubDLimitMeshFragment* m_last_fragment = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>&#160; </div><div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>&#160; <span class="keywordtype">bool</span> ReserveCapacity(</div><div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> subd_fragment_count,</div><div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>&#160; ON_SubD::FacetType facet_type,</div><div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> display_density</div><div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>&#160; );</div><div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>&#160; </div><div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>&#160;<span class="comment"> ON_SubDLimitMeshImpl_CallbackContext::FragmentCallbackFunction()</span></div><div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>&#160;<span class="comment"> uses CopyCallbackFragment() to make a copy of callback_fragment </span></div><div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>&#160;<span class="comment"> delivered by ON_SubD::GetLimitSurfaceMeshInFragments().</span></div><div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>&#160; ON_SubDLimitMeshFragment* CopyCallbackFragment(</div><div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>&#160; <span class="keyword">const</span> ON_SubDLimitMeshFragment* callback_fragment</div><div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>&#160; );</div><div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>&#160;</div><div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>&#160;<span class="comment"> ON_SubDLimitMeshImpl_CallbackContext::FragmentCallbackFunction()</span></div><div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>&#160;<span class="comment"> uses AddFinishedFragment() to add finished fragments to this</span></div><div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>&#160;<span class="comment"> ON_SubDLimitMeshImpl&#39;s m_first_fragment ... m_list_fragment list.</span></div><div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>&#160; <span class="keywordtype">bool</span> AddFinishedFragment(</div><div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>&#160; ON_SubDLimitMeshFragment* fragment</div><div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>&#160; );</div><div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>&#160;</div><div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>&#160; <span class="keyword">const</span> <a class="code" href="../../dc/d3e/class_o_n___r_tree.html">ON_RTree</a>&amp; FragmentTree() <span class="keyword">const</span>;</div><div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>&#160;</div><div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>&#160; <span class="keywordtype">void</span> ClearTree();</div><div class="line"><a name="l02219"></a><span class="lineno"> 2219</span>&#160; </div><div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>&#160; <span class="keywordtype">bool</span> Transform( </div><div class="line"><a name="l02221"></a><span class="lineno"> 2221</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>&amp; xform</div><div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>&#160; );</div><div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>&#160;</div><div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>&#160;</div><div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>&#160; <span class="keywordtype">bool</span> GetTightBoundingBox(</div><div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>&#160; <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a>&amp; bbox,</div><div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>&#160; <span class="keywordtype">bool</span> bGrowBox,</div><div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>* xform</div><div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>&#160; ) <span class="keyword">const</span>;</div><div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>&#160;</div><div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>&#160; <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a> m_bbox;</div><div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>&#160;</div><div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>&#160; <span class="comment">// The weak pointer to the ON_SubDimple is used to</span></div><div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>&#160; <span class="comment">// check that the ON_SubDimple managing the</span></div><div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>&#160; <span class="comment">// ON_SubDLimitMeshFragment.m_face pointers is valid </span></div><div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>&#160; <span class="comment">// before those pointers are used. This must be a weak</span></div><div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>&#160; <span class="comment">// pointer and not a shared_ptr because limit meshes</span></div><div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>&#160; <span class="comment">// are stored on ON_SubDLevels that are members of</span></div><div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>&#160; <span class="comment">// ON_SubDimple.</span></div><div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>&#160; std::weak_ptr&lt;class ON_SubDimple&gt; m_subdimple_wp;</div><div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>&#160;</div><div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>&#160; <span class="keywordtype">void</span> ClearFragmentFacePointers();</div><div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>&#160;</div><div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>&#160; <a class="code" href="../../dc/d3e/class_o_n___r_tree.html">ON_RTree</a>* m_fragment_tree = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>&#160;</div><div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>&#160; <a class="code" href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a> m_fsp;</div><div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>&#160;};</div><div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>&#160;</div><div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>&#160;<span class="preprocessor">#endif // ON_COMPILING_OPENNURBS)</span></div><div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>&#160;</div><div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>&#160;<span class="preprocessor">#endif // OPENNURBS_SUBD_WIP</span></div><div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>&#160;</div><div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>&#160;<span class="preprocessor">#endif // OPENNURBS_SUBD_DATA_INC_</span></div><div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>&#160;</div><div class="ttc" id="class_o_n___bounding_box_html_ad4f488fc6dfa2692722d7dc7969fc9cc"><div class="ttname"><a href="../../d1/d17/class_o_n___bounding_box.html#ad4f488fc6dfa2692722d7dc7969fc9cc">ON_BoundingBox::EmptyBoundingBox</a></div><div class="ttdeci">static const ON_BoundingBox EmptyBoundingBox</div><div class="ttdoc">((1.0,0.0,0.0),(-1.0,0.0,0.0)) </div><div class="ttdef"><b>Definition:</b> opennurbs_bounding_box.h:28</div></div>
<div class="ttc" id="class_o_n___r_tree_html"><div class="ttname"><a href="../../dc/d3e/class_o_n___r_tree.html">ON_RTree</a></div><div class="ttdef"><b>Definition:</b> opennurbs_rtree.h:381</div></div>
<div class="ttc" id="class_o_n___simple_array_html"><div class="ttname"><a href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray</a></div><div class="ttdef"><b>Definition:</b> opennurbs_array.h:36</div></div>
<div class="ttc" id="class_o_n___aggregate_component_status_html_a2d643e09425fe921fdac127cbca2d24e"><div class="ttname"><a href="../../d1/df0/class_o_n___aggregate_component_status.html#a2d643e09425fe921fdac127cbca2d24e">ON_AggregateComponentStatus::Empty</a></div><div class="ttdeci">static const ON_AggregateComponentStatus Empty</div><div class="ttdef"><b>Definition:</b> opennurbs_compstat.h:416</div></div>
<div class="ttc" id="class_o_n___fixed_size_pool_html"><div class="ttname"><a href="../../d8/d75/class_o_n___fixed_size_pool.html">ON_FixedSizePool</a></div><div class="ttdef"><b>Definition:</b> opennurbs_fsp.h:19</div></div>
<div class="ttc" id="class_o_n___aggregate_component_status_html"><div class="ttname"><a href="../../d1/df0/class_o_n___aggregate_component_status.html">ON_AggregateComponentStatus</a></div><div class="ttdef"><b>Definition:</b> opennurbs_compstat.h:413</div></div>
<div class="ttc" id="class_o_n___bounding_box_html"><div class="ttname"><a href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a></div><div class="ttdef"><b>Definition:</b> opennurbs_bounding_box.h:25</div></div>
<div class="ttc" id="class_o_n___simple_array_html_a7afd26b9d114490a7814353e3590f3a4"><div class="ttname"><a href="../../dc/dfe/class_o_n___simple_array.html#a7afd26b9d114490a7814353e3590f3a4">ON_SimpleArray::UnsignedCount</a></div><div class="ttdeci">unsigned int UnsignedCount() const</div><div class="ttdef"><b>Definition:</b> opennurbs_array_defs.h:167</div></div>
<div class="ttc" id="class_o_n___xform_html"><div class="ttname"><a href="../../d3/d13/class_o_n___xform.html">ON_Xform</a></div><div class="ttdef"><b>Definition:</b> opennurbs_xform.h:28</div></div>
<div class="ttc" id="class_o_n___component_status_html"><div class="ttname"><a href="../../d9/d12/class_o_n___component_status.html">ON_ComponentStatus</a></div><div class="ttdef"><b>Definition:</b> opennurbs_compstat.h:88</div></div>
<div class="ttc" id="class_o_n___text_log_html"><div class="ttname"><a href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a></div><div class="ttdef"><b>Definition:</b> opennurbs_textlog.h:20</div></div>
<div class="ttc" id="class_o_n___binary_archive_html"><div class="ttname"><a href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a></div><div class="ttdoc">&lt; use for generic serialization of binary data </div><div class="ttdef"><b>Definition:</b> opennurbs_archive.h:1866</div></div>
<div class="ttc" id="class_o_n__3d_point_html"><div class="ttname"><a href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:480</div></div>
<div class="ttc" id="class_o_n___fixed_size_pool_iterator_html"><div class="ttname"><a href="../../de/da1/class_o_n___fixed_size_pool_iterator.html">ON_FixedSizePoolIterator</a></div><div class="ttdef"><b>Definition:</b> opennurbs_fsp.h:249</div></div>
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