Files
opennurbs/6/da/de3/opennurbs__texture_8h_source.html
Bozo db96b72945 Publish!
Generated from v6.0.11315.11111-test12
2018-01-31 14:46:11 -08:00

101 lines
87 KiB
HTML

<!-- HTML header for doxygen 1.8.13-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>openNURBS SDK Help: D:/BuildAgent/work/d8e3bf9e94f4c621/src4/bin/opennurbs_public/opennurbs_texture.h Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<!-- <script type="text/javascript" src="../../jquery.js"></script> -->
<script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
<link href="../../customdoxygen.css" rel="stylesheet" type="text/css"/>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<!-- smartmenus -->
<link href="../../jquery.smartmenus.bootstrap.css" rel="stylesheet">
<script type="text/javascript" src="../../jquery.smartmenus.js"></script>
<script type="text/javascript" src="../../jquery.smartmenus.bootstrap.js"></script>
</head>
<body>
<!-- navbar -->
<div class="navbar navbar-default navbar-static top" role="navigation">
<div class="navbar-header">
<a class="navbar-brand">openNURBS SDK Help 6.0</a>
</div>
</div>
<div class="container">
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div class="page-content">
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('../../',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="../../dir_2ea30aa2956a8db99dd22aa5e597f384.html">bin</a></li><li class="navelem"><a class="el" href="../../dir_7a6cfee8d318bd47c162fe536aecd3a7.html">opennurbs_public</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">opennurbs_texture.h</div> </div>
</div><!--header-->
<div class="contents">
<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) 1993-2012 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;<span class="comment"></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">// defines ON_Color and ON_Material</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<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="preprocessor">#if !defined(OPENNURBS_TEXTURE_INC_)</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#define OPENNURBS_TEXTURE_INC_</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">///////////////////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// Class ON_Texture</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// </span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html"> 31</a></span>&#160;<span class="keyword">class </span>ON_CLASS <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a> : <span class="keyword">public</span> <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a></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; ON_OBJECT_DECLARE(<a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; ~<a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>(<span class="keyword">const</span> <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>&amp; <a class="code" href="../../d9/d7b/class_o_n___object.html#aba6166c9aecef42639e684a2a3fda223">operator=</a>(<span class="keyword">const</span> <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>&amp;) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a9bee17406be298eaf69c6a24fb07dd96"> 42</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a> <a class="code" href="../../d0/d16/class_o_n___texture.html#a9bee17406be298eaf69c6a24fb07dd96">Default</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> original - [in]</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment"> A brep used as a picture object (1 face with a bitmap texture applied)</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment"> shrunk - [in]</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="comment"> A copy of original with the face&#39;s surface shrunk in some way.</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment"> The domain of the shrunk surface must be contained in the domain</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"> of the original surface.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment"> error_return - [in]</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"> value to return if the input parameters are not valid. If error_return</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> is nullptr, then ON_Xform::Nan is returned when input parameters are not valid.</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="comment"> Returns:</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment"> Texture transformation that will map a [0,1]x[0,1] to the appropriate</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment"> sub rectangle of the picture image.</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment"> Example:</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment"> ON_Brep original_picture = ...;</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment"> ON_Brep shrunk_picture = original_picture;</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="comment"> shrunk_picture.ShrinkSurfaces();</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment"> ON_Material original_material = ...;</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment"> ON_Material new_material = original_material;</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment"> ON_Texture&amp; new_texture = new_material.m_textures[0];</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment"> new_texture.m_uvw </span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment"> = ON_Texture::GetPictureShrinkSurfaceTransformation(</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="comment"> &amp;original_picture,</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment"> &amp;shrunk_picture,</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="comment"> &amp;ON_Xform::IdentityXform)*new_texture.m_uvw;</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> GetPictureShrinkSurfaceTransformation(</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../d9/d96/class_o_n___brep.html">ON_Brep</a>* original,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../d9/d96/class_o_n___brep.html">ON_Brep</a>* shrunk,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>* error_return</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; );</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">/*</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment"> original - [in]</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment"> A surface used as a picture object (1 face with a bitmap texture applied)</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment"> shrunk - [in]</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment"> A surface trimmed/split from the original</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment"> error_return - [in]</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment"> value to return if the input parameters are not valid. If error_return</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="comment"> is nullptr, then ON_Xform::Nan is returned when input parameters are not valid.</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"> Texture transformation that will map a [0,1]x[0,1] to the appropriate</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment"> sub rectangle of the picture image.</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="comment"> Example:</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment"> ON_Brep original_picture = ...;</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="comment"> ON_Brep shrunk_picture = original_picture;</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="comment"> shrunk_picture.ShrinkSurfaces();</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"> ON_Material original_material = ...;</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"> ON_Material new_material = original_material;</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment"> ON_Texture&amp; new_texture = new_material.m_textures[0];</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment"> new_texture.m_uvw </span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment"> = ON_Texture::GetPictureShrinkSurfaceTransformation(</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment"> &amp;original_picture,</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment"> &amp;shrunk_picture,</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment"> &amp;ON_Xform::IdentityXform)*new_texture.m_uvw;</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> GetPictureShrinkSurfaceTransformation(</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../da/da0/class_o_n___surface.html">ON_Surface</a>* original,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../da/da0/class_o_n___surface.html">ON_Surface</a>* shrunk,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>* error_return</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="comment">/*</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="comment"> original_udomain - [in]</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="comment"> original_vdomain - [in]</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="comment"> original picture surface domain</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="comment"> shrunk_udomain - [in]</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="comment"> shrunk_vdomain - [in]</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment"> sub-domain of the original picture.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment"> error_return - [in]</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment"> value to return if the input parameters are not valid. If error_return</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="comment"> is nullptr, then ON_Xform::Nan is returned when input parameters are not valid.</span></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"> Returns:</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="comment"> Texture transformation that will map a [0,1]x[0,1] to the appropriate</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment"> sub rectangle of the picture image.</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;<span class="comment"> Example:</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="comment"> ON_Brep original_picture = ...;</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="comment"> ON_Brep shrunk_picture = original_picture;</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="comment"> shrunk_picture.ShrinkSurfaces();</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment"> ON_Material original_material = ...;</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="comment"> ON_Material new_material = original_material;</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="comment"> ON_Texture&amp; new_texture = new_material.m_textures[0];</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="comment"> new_texture.m_uvw </span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="comment"> = ON_Texture::GetPictureShrinkSurfaceTransformation(</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="comment"> &amp;original_picture,</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="comment"> &amp;shrunk_picture,</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="comment"> &amp;ON_Xform::IdentityXform)*new_texture.m_uvw;</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> GetPictureShrinkSurfaceTransformation(</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a>&amp; original_udomain,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a>&amp; original_vdomain,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a>&amp; shrunk_udomain,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a>&amp; shrunk_vdomain,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>* error_return</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;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="comment"> /////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="comment"></span> <span class="comment">// ON_Object overrides</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a7212696724553dc4d365479a10150c0d">IsValid</a>( <span class="keyword">class</span> <a class="code" href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a>* text_log = <span class="keyword">nullptr</span> ) <span class="keyword">const override</span>;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a21c7b04a80f1806c3a45f72d7c491a44">Dump</a>( <a class="code" href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a>&amp; ) <span class="keyword">const override</span>;</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="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a0299df21bfed90d7b5bfb24cdcf5e6c1">SizeOf</a>() <span class="keyword">const override</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a16eb9ab6bf0d0a614655cf9cd055871a">Write</a>(</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; binary_archive</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; ) <span class="keyword">const override</span>;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a09ac9742ead91dd8f9cdd579bcbfed10">Read</a>(</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp; binary_archive</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; ) <span class="keyword">override</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="comment"> /////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment"></span> <span class="comment">//</span></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">static</span> <span class="keywordtype">int</span> Compare(</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>&amp; a, </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/d16/class_o_n___texture.html">ON_Texture</a>&amp; b</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; );</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">/*</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="comment"> Reverses the texture in the specified direction.</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="comment"> dir - [in] 0 = reverse &quot;u&quot;, 1 = reverse &quot;v&quot;, 2 = reverse &quot;w&quot;.</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="comment"> Modifes m_uvw so that the spedified direction transforms</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<span class="comment"> the texture coordinate t to 1-t.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;<span class="comment"> True if input is valid.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordtype">bool</span> ReverseTextureCoordinate( <span class="keywordtype">int</span> dir );</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;<span class="comment"> Swaps the specified texture coordinates.</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;<span class="comment"> i - [in]</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;<span class="comment"> j - [in] (0 &lt;= i, j &lt;= 3 and i != j)</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;<span class="comment"> Modifes m_uvw so that the specified texture coordinates are swapped.</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="comment"> True if input is valid.</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordtype">bool</span> SwapTextureCoordinate( <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j );</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="comment"> Tiles the specified texture coordinates.</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;<span class="comment"> dir - [in] 0 = reverse &quot;u&quot;, 1 = reverse &quot;v&quot;, 2 = reverse &quot;w&quot;.</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="comment"> count - [in] number of tiles (can be negative)</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="comment"> offset - [in] offset of the tile (can be any number)</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;<span class="comment"> Remarks:</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;<span class="comment"> Modifes m_uvw so that the specified texture coordinate is</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="comment"> tiled.</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;<span class="comment"> True if input is valid.</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordtype">bool</span> TileTextureCoordinate( <span class="keywordtype">int</span> dir, <span class="keywordtype">double</span> count, <span class="keywordtype">double</span> offset );</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="comment">/*</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="comment"> Description:</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="comment"> Examines the m_uvw matrix and harvests tiling constants.</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="comment"> Parameters:</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="comment"> dir - [in] 0 = reverse &quot;u&quot;, 1 = reverse &quot;v&quot;, 2 = reverse &quot;w&quot;.</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<span class="comment"> count - [out] number of tiles</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="comment"> offset - [out] offset of the tile</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="comment"> Returns:</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;<span class="comment"> True if if the m_uvw matrix had entries that were compatible</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="comment"> with tiling.</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordtype">bool</span> IsTiled( <span class="keywordtype">int</span> dir, <span class="keywordtype">double</span>* count, <span class="keywordtype">double</span>* offset ) <span class="keyword">const</span>;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div><div class="line"><a name="l00229"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#afae5db3aa0f96bf16b91ad518613e30d"> 229</a></span>&#160; <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> m_texture_id = ON_nil_uuid;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="comment">// list of pre-defined channel ids</span></div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#ace23a9753e5d454bf3ce4935c3dd82c6"> 232</a></span>&#160; <span class="keyword">enum class</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#ace23a9753e5d454bf3ce4935c3dd82c6">MAPPING_CHANNEL</a> : unsigned int</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; tc_channel = 0U, <span class="comment">// Use the texture coordinate values</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="comment">// currently on the geometric object.</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; default_channel = 1U, <span class="comment">// Use either default mappingU, or the &quot;Custom&quot; mapping applied to the object</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; screen_based_channel = 0xFFFFFFF1U,</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; wcs_channel = 0xFFFFFFF2U,</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; wcs_box_channel = 0xFFFFFFF3U,</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; environment_map_box_channel = 0xFFFFFFF4U,</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; environment_map_light_probe_channel = 0xFFFFFFF5U,</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; environment_map_spherical_channel = 0xFFFFFFF6U,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; environment_map_cube_map_channel = 0xFFFFFFF7U,</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; environment_map_vcross_cube_map_channel = 0xFFFFFFF8U,</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; environment_map_hcross_cube_map_channel = 0xFFFFFFF9U,</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; environment_map_hemispherical_channel = 0xFFFFFFFAU,</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; environment_map_emap_channel = 0xFFFFFFFFU,</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; srfp_channel = 0xFFFFFFFEU, <span class="comment">// Use surface parameterization.</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; emap_channel = 0xFFFFFFFFU <span class="comment">// Environment map the geometric object - deprecated. Use environment_map_emap_channel instead</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; };</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#ace23a9753e5d454bf3ce4935c3dd82c6">ON_Texture::MAPPING_CHANNEL</a> BuiltInMappingChannelFromUnsigned(</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mapping_channel_as_unsigned</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; );</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> IsBuiltInMappingChannel(</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mapping_channel_id</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; );</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="keyword">const</span> <a class="code" href="../../dd/ddf/class_o_n___s_h_a1___hash.html">ON_SHA1_Hash</a> ContentHash() <span class="keyword">const</span>;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="comment">// If the m_mapping_channel_id value is one of the built-in </span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="comment">// mappings listed in the MAPPING_CHANNEL enum, then that </span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="comment">// mapping is used. Otherwise, if an object has rendering</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="comment">// attributes with an ON_MappingChannel entry that has a </span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="comment">// matching m_mapping_channel_id value, then the mapping </span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="comment">// identified by ON_MappingChannel::m_mapping_id is used.</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="comment">// A value of zero means no mapping is supplied</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="comment">// and the texture coordinates on the mesh are</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="comment">// used.</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordtype">void</span> SetBuiltInMappingChannel(</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#ace23a9753e5d454bf3ce4935c3dd82c6">ON_Texture::MAPPING_CHANNEL</a> built_in_mapping_channel_as_unsigned</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; );</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keywordtype">void</span> SetMappingChannel(</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mapping_channel_id</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; );</div><div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#ac6f229d4c13d0dbc81462e3e22c3581c"> 278</a></span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_mapping_channel_id = 0;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="comment">// Image file</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="comment">// If m_image_file_reference is set and m_image_file_reference.FullPath()</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="comment">// exists, it is the image file being used. This is the common situation</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="comment">// during runtime.</span></div><div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a2faf89d33eec5fbf8d8d1b273b8837d3"> 284</a></span>&#160; <a class="code" href="../../d8/dfd/class_o_n___file_reference.html">ON_FileReference</a> m_image_file_reference = <a class="code" href="../../d8/dfd/class_o_n___file_reference.html#a06f1799b2ed593bd0f8c9270a9719ec2">ON_FileReference::Unset</a>;</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; <span class="comment">// If false, texture is off and should be ignored.</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="comment">// The intended use is to allow people to turn textures</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="comment">// on and off without have to create/destroy or change </span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="comment">// other texture settings.</span></div><div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a12f58185089dbf41577615a938c4a57f"> 290</a></span>&#160; <span class="keywordtype">bool</span> m_bOn = <span class="keyword">true</span>;</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="comment">// do not change TYPE enum values - they are saved in 3dm files.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="comment">// The &quot;TYPE&quot; setting controls how the pixels in the bitmap</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="comment">// are interpreted.</span></div><div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558"> 295</a></span>&#160; <span class="keyword">enum class</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558">TYPE</a> : unsigned int</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; {</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; no_texture_type = 0U,</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; bitmap_texture = 1U, <span class="comment">// &quot;standard&quot; image texture.</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; bump_texture = 2U, <span class="comment">// bump map - see m_bump_scale comment</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; transparency_texture = 3U, <span class="comment">// value = alpha (see m_tranparancy_id)</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="comment">// emap_texture is OBSOLETE - set m_mapping_channel_id = ON_MappingChannel::emap_mapping</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; emap_texture = 86U <span class="comment">// spherical environment mapping.</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; };</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558">ON_Texture::TYPE</a> TypeFromUnsigned(</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> type_as_unsigned</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; );</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;</div><div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a4f7818422ade5a32836ac4e0ed65b9b3"> 311</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558">ON_Texture::TYPE</a> m_type = <a class="code" href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558a1381ce013ac0c864a7cc6c201206055d">ON_Texture::TYPE::bitmap_texture</a>;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="comment">// m_mode determines how the texture is</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="comment">// do not change MODE enum values - they are saved in 3dm files.</span></div><div class="line"><a name="l00315"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16b"> 315</a></span>&#160; <span class="keyword">enum class</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16b">MODE</a> : unsigned int</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; no_texture_mode = 0,</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; modulate_texture = 1, <span class="comment">// modulate with material diffuse color</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; decal_texture = 2, <span class="comment">// decal</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; blend_texture = 3, <span class="comment">// blend texture with others in the material</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="comment">// To &quot;add&quot; a texture, set m_blend_amount = +1</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="comment">// To &quot;subtract&quot; a texture, set m_blend_amount = -1</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; };</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16b">ON_Texture::MODE</a> ModeFromUnsigned(</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mode_as_unsigned</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; );</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a7bf6f8398144e297cef96788082db550"> 329</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16b">ON_Texture::MODE</a> m_mode = <a class="code" href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16ba1e84ef8d59a6b2f9eae270569f6f70f7">ON_Texture::MODE::modulate_texture</a>;</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;</div><div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72"> 331</a></span>&#160; <span class="keyword">enum class</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72">FILTER</a> : unsigned int</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; {</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; nearest_filter = 0, <span class="comment">// nearest texture pixel is used</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; linear_filter = 1 <span class="comment">// weighted average of corresponding texture pixels</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; };</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72">ON_Texture::FILTER</a> FilterFromUnsigned(</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> filter_as_unsigned</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; );</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160;</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="comment">// The value of m_minfilter determines how the color</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <span class="comment">// of the image pixel is calculated when the image pixel</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="comment">// corresponds to multiple texture bitmap pixels.</span></div><div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#af885ed32f0690eec4dd4e3209c2a5f61"> 344</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72">ON_Texture::FILTER</a> m_minfilter = <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72a371c2decb763a64c621a6c2636537314">ON_Texture::FILTER::linear_filter</a>; </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160;</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="comment">// The magfilter setting controls how the color</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="comment">// of the image pixel is calculated when the image pixel</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="comment">// corresponds to a fraction of a texture bitmap pixel.</span></div><div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a3696c57d3a4fe5b1f311b3c225d813b0"> 349</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72">ON_Texture::FILTER</a> m_magfilter = <a class="code" href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72a371c2decb763a64c621a6c2636537314">ON_Texture::FILTER::linear_filter</a>;</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160;</div><div class="line"><a name="l00351"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab"> 351</a></span>&#160; <span class="keyword">enum class</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">WRAP</a> : unsigned int</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; repeat_wrap = 0,</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; clamp_wrap = 1</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; };</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="keyword">static</span> <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">ON_Texture::WRAP</a> WrapFromUnsigned(</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> wrap_as_unsigned</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; );</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"><a class="line" href="../../d0/d16/class_o_n___texture.html#a59539d1f7b3bcead8b034199c11aa547"> 361</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">WRAP</a> m_wrapu = <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adaba10d04aab962da2ba5294bbab630cd664">ON_Texture::WRAP::repeat_wrap</a>;</div><div class="line"><a name="l00362"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#aeda29069d6d09276b8af40ee15b87707"> 362</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">WRAP</a> m_wrapv = <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adaba10d04aab962da2ba5294bbab630cd664">ON_Texture::WRAP::repeat_wrap</a>;</div><div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a52e99beb7311fe78c8c3aab296c2abc5"> 363</a></span>&#160; <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">WRAP</a> m_wrapw = <a class="code" href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adaba10d04aab962da2ba5294bbab630cd664">ON_Texture::WRAP::repeat_wrap</a>;</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160;</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; <span class="comment">// Texture coordinate transformation.</span></div><div class="line"><a name="l00366"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#abc6d86dda5b291544f1514710e0124d3"> 366</a></span>&#160; <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> m_uvw = <a class="code" href="../../d3/d13/class_o_n___xform.html#a4b990ccd63d5ffb4606d93a76361aba0">ON_Xform::IdentityTransformation</a>;</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="comment">// If ON_UNSET_COLOR != m_border_color, then this color</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="comment">// is used when the texture coordinates are &lt;=0 or &gt;=1</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; <span class="comment">// and the m_wrap* value is clamp_wrap.</span></div><div class="line"><a name="l00371"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a16a2594836fac4d3358b012d2cf6bb14"> 371</a></span>&#160; <a class="code" href="../../d0/df9/class_o_n___color.html">ON_Color</a> m_border_color = ON_UNSET_COLOR;</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160;</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="comment">// This field is used for textures with type</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="comment">// bitmap_texture that reference bitmap files that do</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="comment">// not have an alpha channel and is used to set</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="comment">// runtime alpha values. It needs to be parsed when the</span></div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="comment">// texture is loaded and can be ignored at runtime.</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="comment">// </span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; <span class="comment">// If ON_UNSET_COLOR != m_transparent_color, then </span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="comment">// a pixel in the bitmap file with a matching RGB</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="comment">// value is assigned the alpha value (ON_Color::Alpha)</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; <span class="comment">// in m_transparent_color. The intended use is </span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; <span class="comment">// for non-rectangular decals defined by RGB bitmaps in</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; <span class="comment">// files that don&#39;t save an alpha channel.</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; <span class="comment">// For example if the decal is a red number 7 with a </span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="comment">// white background, then you would set m_transparent_color&#39;s</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="comment">// RGB to white and its A to zero.</span></div><div class="line"><a name="l00389"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a53df959c4ce1759cc4dde4ed0adb4a95"> 389</a></span>&#160; <a class="code" href="../../d0/df9/class_o_n___color.html">ON_Color</a> m_transparent_color = ON_UNSET_COLOR;</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; <span class="comment">// This field is used for textures with type</span></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="comment">// bitmap_texture that reference bitmap files that do</span></div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="comment">// not have an alpha channel and is used to set</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="comment">// runtime alpha values. It needs to be parsed when the</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; <span class="comment">// texture is loaded and can be ignored at runtime.</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; <span class="comment">// </span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; <span class="comment">// If m_transparency_id is not nil, it is the id of another</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; <span class="comment">// texture in the ON_Material.m_textures[] array that has</span></div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="comment">// type m_transparency_texture. The runtime bitmap_texture&#39;s</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="comment">// alpha is set to (255-max(R,G,B)) (the &quot;value&quot; in the hue,</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="comment">// saturation,value sense) of the correspondeing </span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="comment">// transparency_texture pixel. </span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; <span class="comment">// For example, if you had a bitmap texuture that was green </span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="comment">// with purple dots saved in a RGB .bmp file and you wanted</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="comment">// the purple dots to be semi-transparent, you could create</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; <span class="comment">// another bitmap that was black, where the original was green,</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="comment">// and gray, where the original was purple, have an </span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; <span class="comment">// transparency_texture reference the white/gray bitmap,</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; <span class="comment">// and have the bitmap_texture&#39;s m_transparency_id </span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; <span class="comment">// reference the transparency map.</span></div><div class="line"><a name="l00412"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a267cee424ee8489ee2583f8dda2131f6"> 412</a></span>&#160; <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> m_transparency_texture_id = ON_nil_uuid;</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; <span class="comment">// If the m_type is bump_texture, the height of the</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <span class="comment">// bump is m_bump_scale.ParameterAt(value), where</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; <span class="comment">// value is in the HSV sense and normalized </span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; <span class="comment">// (black=0, white=1). The interval can be </span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="comment">// decreasing.</span></div><div class="line"><a name="l00419"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#ae75d2b3d5de103380bb1c017f754df68"> 419</a></span>&#160; <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a> m_bump_scale = <a class="code" href="../../dc/dc7/class_o_n___interval.html#a737857e2200ea8d9731ca40c5fa21196">ON_Interval::ZeroToOne</a>;</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160;</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; <span class="comment">// If the m_mode is blend_texture, then m_blend_A[]</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; <span class="comment">// and m_blend_RGB[] determine the blending function.</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">// new alpha = m_blend_constant_A </span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="comment">// + m_blend_A[0]*(current alpha)</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; <span class="comment">// + m_blend_A[1]*(texture alpha)</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="comment">// + m_blend_A[2]*min(current alpha,texture alpha)</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="comment">// + m_blend_A[3]*max(current alpha,texture alpha)</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; <span class="comment">// new rgb = m_blend_constant_RGB </span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; <span class="comment">// + m_blend_RGB[0]*(current RGB)</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; <span class="comment">// + m_blend_RGB[1]*(texture RGB)</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; <span class="comment">// + m_blend_RGB[2]*min(current RGB,texture RGB)</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; <span class="comment">// + m_blend_RGB[3]*max(current RGB,texture RGB)</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; <span class="comment">// Results are clamped to handle underflow or overflow.</span></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; </div><div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a003d949c49890d21f70c6d58f1467d33"> 437</a></span>&#160; <span class="keywordtype">double</span> m_blend_constant_A = 1.0;</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; </div><div class="line"><a name="l00439"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#abca79960a455e975bca500446230b183"> 439</a></span>&#160; <span class="keywordtype">double</span> m_blend_A0 = 1.0;</div><div class="line"><a name="l00440"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a5e9ced3774dc7d218b8edf7e960635bd"> 440</a></span>&#160; <span class="keywordtype">double</span> m_blend_A1 = 1.0;</div><div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#ac9ca14fbdc5e24c663aecf3d890cb8fa"> 441</a></span>&#160; <span class="keywordtype">double</span> m_blend_A2 = 0.0;</div><div class="line"><a name="l00442"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#abb244cd94d85f75c752913fb8e702232"> 442</a></span>&#160; <span class="keywordtype">double</span> m_blend_A3 = 0.0;</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; </div><div class="line"><a name="l00444"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a79a5b42e7c495e8704ab1de5c833d178"> 444</a></span>&#160; <a class="code" href="../../d0/df9/class_o_n___color.html">ON_Color</a> m_blend_constant_RGB = <a class="code" href="../../d0/df9/class_o_n___color.html#ac6ba2ef917571bc4ebbe292eb138ec86">ON_Color::Black</a>;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160; </div><div class="line"><a name="l00446"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a23f5a8fd728289a1cab1ddcb44cef737"> 446</a></span>&#160; <span class="keywordtype">double</span> m_blend_RGB0 = 1.0;</div><div class="line"><a name="l00447"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#ad52711b5b122cbb5e0e77611eae14d63"> 447</a></span>&#160; <span class="keywordtype">double</span> m_blend_RGB1 = 1.0;</div><div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#aea02e72bebf12a0f808e6ee86b9c4a6f"> 448</a></span>&#160; <span class="keywordtype">double</span> m_blend_RGB2 = 0.0;</div><div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a1eb45889285d2d2d0e5972bbab8dca82"> 449</a></span>&#160; <span class="keywordtype">double</span> m_blend_RGB3 = 0.0;</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; <span class="comment">// If an ON_Material m_textures[] array has more than</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; <span class="comment">// one texture, the textures are blended, and the textures</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; <span class="comment">// have different m_blend_order values, the the texture </span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; <span class="comment">// with the smaller m_blend_order is first. </span></div><div class="line"><a name="l00455"></a><span class="lineno"><a class="line" href="../../d0/d16/class_o_n___texture.html#a7e1e8a3379f6f83692389655db0a85d1"> 455</a></span>&#160; <span class="keywordtype">int</span> m_blend_order = 0;</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;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160;<span class="preprocessor">#if defined(ON_DLL_TEMPLATE)</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160;ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../dd/d40/class_o_n___class_array.html">ON_ClassArray&lt;ON_Texture&gt;</a>;</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160;ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../da/d08/class_o_n___object_array.html">ON_ObjectArray&lt;ON_Texture&gt;</a>;</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160;</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160;</div><div class="ttc" id="class_o_n___texture_html_a8ce12ecfff1e08d1ec2c24217aa9f16b"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16b">ON_Texture::MODE</a></div><div class="ttdeci">MODE</div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:315</div></div>
<div class="ttc" id="struct_o_n___u_u_i_d__struct_html"><div class="ttname"><a href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID_struct</a></div><div class="ttdoc">ON_UUID is a 16 byte universally unique identifier. </div><div class="ttdef"><b>Definition:</b> opennurbs_uuid.h:32</div></div>
<div class="ttc" id="class_o_n___texture_html_ace23a9753e5d454bf3ce4935c3dd82c6"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#ace23a9753e5d454bf3ce4935c3dd82c6">ON_Texture::MAPPING_CHANNEL</a></div><div class="ttdeci">MAPPING_CHANNEL</div><div class="ttdoc">list of pre-defined channel ids </div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:232</div></div>
<div class="ttc" id="class_o_n___interval_html_a737857e2200ea8d9731ca40c5fa21196"><div class="ttname"><a href="../../dc/dc7/class_o_n___interval.html#a737857e2200ea8d9731ca40c5fa21196">ON_Interval::ZeroToOne</a></div><div class="ttdeci">static const ON_Interval ZeroToOne</div><div class="ttdoc">(0.0, 1.0) </div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:50</div></div>
<div class="ttc" id="class_o_n___s_h_a1___hash_html"><div class="ttname"><a href="../../dd/ddf/class_o_n___s_h_a1___hash.html">ON_SHA1_Hash</a></div><div class="ttdef"><b>Definition:</b> opennurbs_sha1.h:19</div></div>
<div class="ttc" id="class_o_n___object_array_html"><div class="ttname"><a href="../../da/d08/class_o_n___object_array.html">ON_ObjectArray&lt; ON_Texture &gt;</a></div></div>
<div class="ttc" id="class_o_n___color_html"><div class="ttname"><a href="../../d0/df9/class_o_n___color.html">ON_Color</a></div><div class="ttdef"><b>Definition:</b> opennurbs_color.h:24</div></div>
<div class="ttc" id="class_o_n___texture_html_a72a1b0964dbb42b3ba6d66bbbfa8adaba10d04aab962da2ba5294bbab630cd664"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adaba10d04aab962da2ba5294bbab630cd664">ON_Texture::WRAP::repeat_wrap</a></div></div>
<div class="ttc" id="class_o_n___object_html_a0299df21bfed90d7b5bfb24cdcf5e6c1"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a0299df21bfed90d7b5bfb24cdcf5e6c1">ON_Object::SizeOf</a></div><div class="ttdeci">virtual unsigned int SizeOf() const</div></div>
<div class="ttc" id="class_o_n___xform_html_a4b990ccd63d5ffb4606d93a76361aba0"><div class="ttname"><a href="../../d3/d13/class_o_n___xform.html#a4b990ccd63d5ffb4606d93a76361aba0">ON_Xform::IdentityTransformation</a></div><div class="ttdeci">static const ON_Xform IdentityTransformation</div><div class="ttdoc">ON_Xform IdentityTransformation diagonal = (1,1,1,1) </div><div class="ttdef"><b>Definition:</b> opennurbs_xform.h:32</div></div>
<div class="ttc" id="class_o_n___texture_html_a89d8c69a63595a2c119a51936360bd72"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72">ON_Texture::FILTER</a></div><div class="ttdeci">FILTER</div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:331</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___object_html_a21c7b04a80f1806c3a45f72d7c491a44"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a21c7b04a80f1806c3a45f72d7c491a44">ON_Object::Dump</a></div><div class="ttdeci">virtual void Dump(ON_TextLog &amp;) const</div></div>
<div class="ttc" id="class_o_n___object_html_aba6166c9aecef42639e684a2a3fda223"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#aba6166c9aecef42639e684a2a3fda223">ON_Object::operator=</a></div><div class="ttdeci">ON_Object &amp; operator=(const ON_Object &amp;)</div></div>
<div class="ttc" id="class_o_n___texture_html_a72a1b0964dbb42b3ba6d66bbbfa8adab"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a72a1b0964dbb42b3ba6d66bbbfa8adab">ON_Texture::WRAP</a></div><div class="ttdeci">WRAP</div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:351</div></div>
<div class="ttc" id="class_o_n___object_html_a7212696724553dc4d365479a10150c0d"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a7212696724553dc4d365479a10150c0d">ON_Object::IsValid</a></div><div class="ttdeci">virtual bool IsValid(class ON_TextLog *text_log=nullptr) const</div></div>
<div class="ttc" id="class_o_n___brep_html"><div class="ttname"><a href="../../d9/d96/class_o_n___brep.html">ON_Brep</a></div><div class="ttdef"><b>Definition:</b> opennurbs_brep.h:1513</div></div>
<div class="ttc" id="class_o_n___object_html"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html">ON_Object</a></div><div class="ttdef"><b>Definition:</b> opennurbs_object.h:433</div></div>
<div class="ttc" id="class_o_n___texture_html_a1e73ed16dda764adcb0618dbf8097558"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558">ON_Texture::TYPE</a></div><div class="ttdeci">TYPE</div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:295</div></div>
<div class="ttc" id="class_o_n___class_array_html"><div class="ttname"><a href="../../dd/d40/class_o_n___class_array.html">ON_ClassArray&lt; ON_Texture &gt;</a></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___object_html_a09ac9742ead91dd8f9cdd579bcbfed10"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a09ac9742ead91dd8f9cdd579bcbfed10">ON_Object::Read</a></div><div class="ttdeci">virtual bool Read(ON_BinaryArchive &amp;binary_archive)</div></div>
<div class="ttc" id="class_o_n___file_reference_html_a06f1799b2ed593bd0f8c9270a9719ec2"><div class="ttname"><a href="../../d8/dfd/class_o_n___file_reference.html#a06f1799b2ed593bd0f8c9270a9719ec2">ON_FileReference::Unset</a></div><div class="ttdeci">static const ON_FileReference Unset</div><div class="ttdoc">summary&gt;Enumerates a list of file statuses.</div><div class="ttdef"><b>Definition:</b> opennurbs_file_utilities.h:1190</div></div>
<div class="ttc" id="class_o_n___object_html_a16eb9ab6bf0d0a614655cf9cd055871a"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a16eb9ab6bf0d0a614655cf9cd055871a">ON_Object::Write</a></div><div class="ttdeci">virtual bool Write(ON_BinaryArchive &amp;binary_archive) const</div></div>
<div class="ttc" id="class_o_n___texture_html"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html">ON_Texture</a></div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:31</div></div>
<div class="ttc" id="class_o_n___surface_html"><div class="ttname"><a href="../../da/da0/class_o_n___surface.html">ON_Surface</a></div><div class="ttdef"><b>Definition:</b> opennurbs_surface.h:56</div></div>
<div class="ttc" id="class_o_n___texture_html_a1e73ed16dda764adcb0618dbf8097558a1381ce013ac0c864a7cc6c201206055d"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a1e73ed16dda764adcb0618dbf8097558a1381ce013ac0c864a7cc6c201206055d">ON_Texture::TYPE::bitmap_texture</a></div><div class="ttdoc">&quot;standard&quot; image texture. </div></div>
<div class="ttc" id="class_o_n___texture_html_a89d8c69a63595a2c119a51936360bd72a371c2decb763a64c621a6c2636537314"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a89d8c69a63595a2c119a51936360bd72a371c2decb763a64c621a6c2636537314">ON_Texture::FILTER::linear_filter</a></div><div class="ttdoc">weighted average of corresponding texture pixels </div></div>
<div class="ttc" id="class_o_n___texture_html_a9bee17406be298eaf69c6a24fb07dd96"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a9bee17406be298eaf69c6a24fb07dd96">ON_Texture::Default</a></div><div class="ttdeci">static const ON_Texture Default</div><div class="ttdef"><b>Definition:</b> opennurbs_texture.h:42</div></div>
<div class="ttc" id="class_o_n___file_reference_html"><div class="ttname"><a href="../../d8/dfd/class_o_n___file_reference.html">ON_FileReference</a></div><div class="ttdef"><b>Definition:</b> opennurbs_file_utilities.h:1187</div></div>
<div class="ttc" id="class_o_n___interval_html"><div class="ttname"><a href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:46</div></div>
<div class="ttc" id="class_o_n___color_html_ac6ba2ef917571bc4ebbe292eb138ec86"><div class="ttname"><a href="../../d0/df9/class_o_n___color.html#ac6ba2ef917571bc4ebbe292eb138ec86">ON_Color::Black</a></div><div class="ttdeci">static const ON_Color Black</div><div class="ttdoc">0x00000000u </div><div class="ttdef"><b>Definition:</b> opennurbs_color.h:33</div></div>
<div class="ttc" id="class_o_n___texture_html_a8ce12ecfff1e08d1ec2c24217aa9f16ba1e84ef8d59a6b2f9eae270569f6f70f7"><div class="ttname"><a href="../../d0/d16/class_o_n___texture.html#a8ce12ecfff1e08d1ec2c24217aa9f16ba1e84ef8d59a6b2f9eae270569f6f70f7">ON_Texture::MODE::modulate_texture</a></div><div class="ttdoc">modulate with material diffuse color </div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- HTML footer for doxygen 1.8.13-->
<!-- start footer part -->
</div> <!-- page-content -->
</div> <!-- container -->
<hr class="footer"/><address class="footer"><small>
Generated on Wed Jan 31 2018 14:45:37 for openNURBS SDK Help by <a href="http://www.doxygen.org/index.html">
<!-- <img class="footer" src="../../doxygen.png" alt="doxygen"/> -->
Doxygen
</a> 1.8.13
</small></address>
<script type="text/javascript" src="../../doxy-boot.js"></script>
</body>
</html>