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opennurbs/opennurbs_text.cpp
Bozo The Builder 60f8f82f2f Sync changes from upstream repository 
Co-authored-by: David Eränen <david.eranen@mcneel.com>
Co-authored-by: piac <giulio@mcneel.com>
Co-authored-by: Steve Baer <steve@mcneel.com>
2023-02-27 12:29:30 -08:00

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//
// Copyright (c) 1993-2022 Robert McNeel & Associates. All rights reserved.
// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert
// McNeel & Associates.
//
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF
// MERCHANTABILITY ARE HEREBY DISCLAIMED.
//
// For complete openNURBS copyright information see <http://www.opennurbs.org>.
////////////////////////////////////////////////////////////////
#include "opennurbs.h"
#if !defined(ON_COMPILING_OPENNURBS)
// This check is included in all opennurbs source .c and .cpp files to insure
// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
// and the opennurbs .h files alter what is declared and how it is declared.
#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
#endif
#include "opennurbs_textiterator.h"
ON_OBJECT_IMPLEMENT(ON_TextContent, ON_Geometry, "4F0F51FB-35D0-9998-4865-9721D6D2C6A9");
//-----------------------------------------------------------------
ON::object_type ON_TextContent::ObjectType() const
{
return ON::annotation_object;
}
void ON_TextContent::Internal_Destroy()
{
m__runs = ON_TextRunArray::EmptyArray;
Internal_DeleteWrappedRuns();
DestroyRuntimeCache();
m_annotation_type = ON_TextContent::Empty.m_annotation_type;
m_dimstyle_text_position_properties_hash = ON_TextContent::Empty.m_dimstyle_text_position_properties_hash;
Internal_ClearTextContentHash();
m_default_font = &ON_Font::Default;
}
ON_TextContent::~ON_TextContent()
{
Internal_Destroy();
}
void ON_TextContent::Internal_DeleteWrappedRuns() const
{
if (nullptr != m__wrapped_runs)
{
delete m__wrapped_runs;
m__wrapped_runs = nullptr;
}
}
void ON_TextContent::Internal_CopyFrom(
const ON_TextContent& src
)
{
m_text = src.m_text;
m_rect_width = src.m_rect_width;
m_rotation_radians = src.m_rotation_radians;
m_h_align = src.m_h_align;
m_v_align = src.m_v_align;
m__runs = src.m__runs;
m_run_evaluation_sn = src.m_run_evaluation_sn;
m_annotation_type = src.m_annotation_type;
m_dimstyle_text_position_properties_hash = src.m_dimstyle_text_position_properties_hash;
m_text_content_sub_hash = src.m_text_content_sub_hash;
m_text_content_bbox = src.m_text_content_bbox;
SetTextIsWrapped(src.m_bWrapText);
if (src.TextIsWrapped() && nullptr != src.m__wrapped_runs)
{
m__wrapped_runs = new ON_TextRunArray(*src.m__wrapped_runs);
}
m_default_font = src.m_default_font;
m_runtime_halign = src.m_runtime_halign;
}
ON_TextContent::ON_TextContent(const ON_TextContent& src)
: ON_Geometry(src)
{
Internal_CopyFrom(src);
}
// Duplicates text string and runs
ON_TextContent& ON_TextContent::operator=(const ON_TextContent& src)
{
if (this != &src)
{
Internal_Destroy();
ON_Geometry::operator=(src);
Internal_CopyFrom(src);
}
return *this;
}
static bool ON_V6_Text_IsNotIsValid()
{
return false; // <- breakpoint here to detect invalid ON_TextContent objects.
}
bool ON_TextContent::IsValid(ON_TextLog* text_log) const
{
int runcount = m__runs.Count();
bool has_valid_text_run = false;
for (int i = 0; i < runcount; i++)
{
const ON_TextRun* run = m__runs[i];
if (nullptr == run)
return ON_V6_Text_IsNotIsValid();
if (!run->IsValid())
return ON_V6_Text_IsNotIsValid();
if (ON_TextRun::RunType::kText == run->Type())
has_valid_text_run = true;
}
if (nullptr != m__wrapped_runs)
{
int wruncount = m__wrapped_runs->Count();
for (int i = 0; i < wruncount; i++)
{
const ON_TextRun* run = (*m__wrapped_runs)[i];
if (nullptr == run)
return ON_V6_Text_IsNotIsValid();
if (!run->IsValid())
return ON_V6_Text_IsNotIsValid();
}
}
return true;
}
// At least for now, before text is parsed as RTF,
// strings like [[xxx|xxx]] are replaced with custom RTF tags
// to represent stacked fractions.
// After "[[", the characters up to "|" are the top of the fraction
// and after "|" up to "]]" are the bottom of the fraction
// "[[123/456]]" becomes "{\\stack47 123/456}"
static bool SubstituteStackTags(const wchar_t* text_string, ON_wString& text, int length, int start, int& end, int depth)
{
int i = start;
bool stacking = false; // flag to defeat recursive stacking until CreateStackedText() and MeasureTextRun() can handle it (if ever).
wchar_t stack_delimiter = L'/';
bool in_field = false;
while (i < length && text_string[i])
{
if (!stacking && !in_field && text_string[i] == L'%' && text_string[i + 1] == L'<') // start of a field
{
text.Append(text_string + start, i - start); // string up to here
text += L"{\\field %<"; // start field
i += 2; // skip "%<"
in_field = true;
start = i;
continue;
}
else if (in_field && text_string[i] == L'>' && text_string[i + 1] == L'%') // field end
{
text.Append(text_string + start, i - start);
text += L">%}";
i += 2;
start = i;
in_field = false;
continue;
}
else if (!in_field)
{
if (!stacking && text_string[i] == L'[' && text_string[i + 1] == L'[') // stack start
{
if (i < length - 2 && text_string[i + 2] == L'[')
i++;
else
{
text.Append(text_string + start, i - start); // string up to here
text += L"{\\stack"; // start stack
i += 2; // skip "[["
if (L'/' == text_string[i] || L'|' == text_string[i])
{
stack_delimiter = text_string[i];
i++;
}
wchar_t code[8] = { 0 };
#if defined (ON_RUNTIME_WIN)
wsprintf(code, L"%d", (int)stack_delimiter);
#endif
#if defined (ON_RUNTIME_APPLE)
swprintf(code, sizeof(code), L"%d", (int)stack_delimiter);
#endif
text += code;
text += L" ";
stacking = true;
// Recursive stacking
// SubstituteStackTags(text_string, text, length, i, end, depth + 1); // read stack section
//i = end;
start = i;
continue;
}
}
else if (stack_delimiter == text_string[i]) // stack separator
{
text.Append(text_string + start, i - start); // text for current top
text += stack_delimiter;
i++;
start = i;
continue;
}
else if (stacking && text_string[i] == L']' && text_string[i + 1] == L']') // stack end
{
text.Append(text_string + start, i - start); // text from bottom
text += L"}";
i += 2;
start = i;
stacking = false;
continue;
}
else
i++;
}
else
i++;
}
text.Append(text_string + start, i - start); // remaining text
end = length;
return true;
}
// sets the m_dimstyle_text_position_properties_hash
bool ON_TextContent::Internal_SetText(
const wchar_t* rtf_string,
const ON_DimStyle* dimstyle)
{
const bool bComposeAndUpdateRtf = true;
bool rc = Internal_ParseRtf(rtf_string, dimstyle, bComposeAndUpdateRtf);
return rc;
}
bool ON_TextContent::Internal_ParseRtfDefault(
const wchar_t* rtf_string,
bool bComposeAndUpdateRtf
)
{
const ON_DimStyle* dim_style = nullptr;
return Internal_ParseRtf(rtf_string, dim_style, bComposeAndUpdateRtf);
}
bool ON_TextContent::Internal_ParseRtf(
const wchar_t* rtf_string,
const ON_DimStyle* dimstyle,
bool bComposeAndUpdateRtf
)
{
const ON_wString rtf_w_string(rtf_string);
if (rtf_w_string.IsEmpty())
return false;
dimstyle = &ON_DimStyle::DimStyleOrDefault(dimstyle);
m_dimstyle_text_position_properties_hash
= (nullptr != dimstyle)
? dimstyle->TextPositionPropertiesHash()
: ON_TextContent::Empty.DimStyleTextPositionPropertiesHash();
// Turn off recomposing a rtf string for the text
// so that the source string stored on the text is
// what the edit control produced
// bComposeAndUpdateRtf = false;
// Call SubstituteStackTags() to change strings like ABC [[1/2]] DEF
// to ABC {\stack47 1/2} DEF
// to encode stacked fractions into a custom rtf tag
// 47 is the ascii code of the delimiter '/'
// Do this in a string other than m_text to avoid changing
// the text definition while parsing it
ON_wString text_string;
int end = 0;
int length = (int)rtf_w_string.Length();
if (!SubstituteStackTags(rtf_w_string.Array(), text_string, length, 0, end, 0))
text_string = rtf_w_string;
m_text = rtf_w_string;
m__runs = ON_TextRunArray::EmptyArray;
Internal_DeleteWrappedRuns();
ON_TextIterator iter(text_string);
ON_TextRunBuilder builder(*this, m__runs, dimstyle, dimstyle->TextHeight(), ON_UNSET_COLOR);
ON_RtfParser parser(iter, builder);
ON_wString str;
bool rc = parser.Parse();
if (rc)
rc = ON_TextContent::MeasureTextContent(this, true, false);
if (rc)
m_default_font = &dimstyle->ParentDimStyleFont();
if (rc && bComposeAndUpdateRtf)
{
rc = RtfComposer::Compose(this, str, false);
if (rc)
{
m_text = str;
}
}
return rc;
}
const ON_wString ON_TextContent::RichText() const
{
return m_text;
}
const ON_wString ON_TextContent::RichTextFromRuns(ON::RichTextStyle rich_text_style) const
{
ON_wString rich_text;
switch (rich_text_style)
{
case ON::RichTextStyle::Windows10SDK:
if (!RtfComposer::Compose(this, rich_text, true))
rich_text.Empty();
break;
case ON::RichTextStyle::AppleOSXSDK:
rich_text = RtfComposer::ComposeAppleRTF(this);
break;
default:
break;
};
return rich_text;
}
const ON_wString ON_TextContent::PlatformRichTextFromRuns() const
{
return RichTextFromRuns(ON::RichTextStyleFromCurrentPlatform());
}
const ON_wString ON_TextContent::PlainTextWithFields() const
{
return Internal_GetPlainText(false, false);
}
const ON_wString ON_TextContent::PlainTextWithFields(ON_SimpleArray<ON_3dex>* runmap) const
{
return Internal_GetPlainText(false, false, runmap);
}
const ON_wString ON_TextContent::PlainText() const
{
return Internal_GetPlainText(true, false);
}
const ON_wString ON_TextContent::WrappedPlainTextWithFields() const
{
return Internal_GetPlainText(false, true);
}
const ON_wString ON_TextContent::WrappedPlainText() const
{
return Internal_GetPlainText(true, true);
}
ON_SHA1_Hash ON_TextRunArray::TextRunArrayContentHash() const
{
return TextRunArrayContentHash(true);
}
/*
Parameters:
bEvaluateFields - [in]
true - hash text with fields evaluated
false - hash text with fields unevaluated
Returns:
A hash of the information that determines the text content
without evaluating the fields.
*/
ON_SHA1_Hash ON_TextRunArray::TextRunArrayContentHash(
bool bEvaluateFields
) const
{
const int count = Count();
ON_SHA1 sha1;
for (int i = 0; i < count; i++)
{
const ON_TextRun* run = m_a[i];
if (nullptr == run)
continue;
const ON_SHA1_Hash run_hash = run->TextRunContentHash(bEvaluateFields);
sha1.AccumulateSubHash(run_hash);
}
return sha1.Hash();
}
ON_SHA1_Hash ON_TextContent::TextContentHash() const
{
size_t size = sizeof(*this);
size_t runs_offset = ((bool*)&m__runs) - ((bool*)this);
size_t wrap_offset = ((bool*)&m_bWrapText) - ((bool*)this);
size = size; // 216
runs_offset = runs_offset; // 56
wrap_offset = wrap_offset; // 50
return TextContentHash(true, true);
}
void ON_TextContent::Internal_ClearTextContentHash() const
{
m_text_content_sub_hash = ON_SHA1_Hash::ZeroDigest;
m_text_content_bbox_hash = ON_SHA1_Hash::ZeroDigest;
m_text_content_bbox = ON_BoundingBox::EmptyBoundingBox;
}
ON_SHA1_Hash ON_TextContent::Internal_TextContentSubHash() const
{
if (ON_SHA1_Hash::ZeroDigest == m_text_content_sub_hash)
{
ON_SHA1 sha1;
sha1.AccumulateString(m_text);
sha1.AccumulateSubHash(m_dimstyle_text_position_properties_hash);
if (m_bWrapText && m_rect_width > 0 && m_rect_width < 1.0e300)
{
sha1.AccumulateDouble(m_rect_width);
}
if ( 0.0 != m_rotation_radians)
{
sha1.AccumulateDouble(m_rotation_radians);
}
sha1.AccumulateUnsigned8(static_cast<unsigned char>(m_h_align));
sha1.AccumulateUnsigned8(static_cast<unsigned char>(m_v_align));
m_text_content_sub_hash = sha1.Hash();
}
return m_text_content_sub_hash;
}
ON_SHA1_Hash ON_TextContent::TextContentHash(
bool bApplyWrapping,
bool bEvaluateFields
) const
{
// At this point in time, runs are modified
// without calling "set" functions on ON_TextContent
// so the sha1 needs to be calculated as follows:
ON_SHA1 sha1;
// hash of information we can watch get changed.
ON_SHA1_Hash text_content_sub_hash = Internal_TextContentSubHash();
sha1.AccumulateSubHash(text_content_sub_hash);
sha1.AccumulateSubHash(m_dimstyle_text_position_properties_hash);
// hash of run information that sometimes gets changed
// without calling an ON_TextContent setter function.
bool bRaw = (false == bApplyWrapping);
const ON_TextRunArray* runs = TextRuns(bRaw);
const int run_count
= (nullptr != runs)
? runs->Count()
: 0;
for (int i = 0; i < run_count; i++)
{
const ON_TextRun* run = (*runs)[i];
if (nullptr == run)
continue;
const ON_SHA1_Hash run_hash = run->TextRunContentHash(bEvaluateFields);
sha1.AccumulateInteger32(i);
sha1.AccumulateSubHash(run_hash);
}
return sha1.Hash();
}
const ON_wString ON_TextContent::Internal_GetPlainText(bool evaluate_fields, bool wrapped) const
{
return Internal_GetPlainText(evaluate_fields, wrapped, nullptr);
}
const ON_wString ON_TextContent::Internal_GetPlainText(bool evaluate_fields, bool wrapped, ON_SimpleArray<ON_3dex>* runmap) const
{
ON_wString plaintext;
ON_TextRunArray* runs = TextRuns(!wrapped);
if (nullptr == runs)
return plaintext;
if (nullptr != runmap)
runmap->Empty();
int runcount = runs->Count();
int nlcount = 0;
bool multiline = false;
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (0 != run)
{
if (ON_TextRun::RunType::kText == run->Type() && 0 < nlcount)
multiline = true;
else if (ON_TextRun::RunType::kNewline == run->Type() ||
ON_TextRun::RunType::kParagraph == run->Type())
nlcount++;
else if (wrapped && ON_TextRun::RunType::kSoftreturn == run->Type())
nlcount++;
}
}
for (int ri = 0; ri < runcount; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (0 != run)
{
if (ON_TextRun::RunType::kText == run->Type() ||
ON_TextRun::RunType::kField == run->Type())
{
const wchar_t* str = evaluate_fields
? run->DisplayString()
: run->TextString();
if (nullptr != str)
{
if (nullptr != runmap)
{
ON_3dex& map = runmap->AppendNew();
map.i = ri;
map.j = plaintext.Length();
map.k = (int)wcslen(str);
}
plaintext += str;
}
}
else if (multiline)
{
if (ON_TextRun::RunType::kNewline == run->Type() || ON_TextRun::RunType::kParagraph == run->Type())
{
if (!wrapped)
plaintext += L'\r';
plaintext += L'\n';
}
else if (wrapped && ON_TextRun::RunType::kSoftreturn == run->Type())
{
plaintext += L'\n';
}
}
}
}
return plaintext;
}
bool ON_TextContent::Create(
const wchar_t* RtfString,
ON::AnnotationType annotation_type,
const ON_DimStyle* dimstyle
)
{
bool bWrapped = false;
const double rect_width = ON_TextContent::Empty.FormattingRectangleWidth();
const double text_rotation_radians = ON_TextContent::Empty.TextRotationRadians();
return Create(
RtfString,
annotation_type,
dimstyle,
bWrapped,
rect_width,
text_rotation_radians
);
}
bool ON_TextContent::Create(
const wchar_t* RtfString,
ON::AnnotationType annotation_type,
const ON_DimStyle* dimstyle,
bool bWrapped,
double rect_width,
double text_rotation_radians
)
{
//if (fabs(plane.origin.DistanceTo(ON_3dPoint::Origin)) > ON_ZERO_TOLERANCE)
// bWrapped = bWrapped;
ON::AnnotationType alignment_annotation_type = ON_TextContent::Internal_AlignmentAnnotationType(annotation_type);
*this = ON_TextContent::Empty;
dimstyle = &ON_DimStyle::DimStyleOrDefault(dimstyle);
const double text_height = dimstyle->TextHeight();
ON::TextHorizontalAlignment h_align = ON::TextHorizontalAlignment::Center;
ON::TextVerticalAlignment v_align = ON::TextVerticalAlignment::Middle;
switch (alignment_annotation_type)
{
case ON::AnnotationType::Leader:
h_align = dimstyle->LeaderTextHorizontalAlignment();
v_align = dimstyle->LeaderTextVerticalAlignment();
break;
case ON::AnnotationType::Text:
h_align = dimstyle->TextHorizontalAlignment();
v_align = dimstyle->TextVerticalAlignment();
break;
case ON::AnnotationType::Diameter:
case ON::AnnotationType::Radius:
h_align = dimstyle->LeaderTextHorizontalAlignment();
v_align = ON::TextVerticalAlignment::MiddleOfTop; //dimstyle->LeaderTextVerticalAlignment();
break;
default:
break;
}
// Parse string, create runs, find font, set plane & height
//SetHeight(text_height); // Has to come later after runs are made: Rh-36167
m_h_align = h_align;
m_v_align = v_align;
SetTextIsWrapped(bWrapped);
m_rect_width
= (rect_width > 0.0 && rect_width < ON_TextContent::Empty.FormattingRectangleWidth())
? rect_width
: 0.0;
m_rotation_radians
= (text_rotation_radians > -2.0*ON_PI && text_rotation_radians < 2.0*ON_PI)
? text_rotation_radians
: 0.0;
m_annotation_type = annotation_type;
// This call sets the m_dimstyle_text_position_properties_hash
// on this text to match the one on the dimstyle
bool rc = Internal_SetText(RtfString, dimstyle);
if (rc)
{
if (TextIsWrapped() && (m_rect_width == m_rect_width) && 0 < m_rect_width) // NAN test
WrapText(m_rect_width);
// This line has to come after there are some runs, here made by Internal_SetText()
// Otherwise, it sets the m_textheight variable and leaves the runs are then
// sized according to the dimstyle text height Rh-36167
Internal_SetRunTextHeight(text_height);
}
else
Internal_Destroy();
return rc;
}
bool ON_TextContent::ReplaceTextString(
const wchar_t* RtfString,
ON::AnnotationType annotation_type,
const ON_DimStyle* dimstyle
)
{
if (annotation_type == ON::AnnotationType::Unset)
ON_ERROR("Annotation type should not be Unset here\n");
Internal_Destroy();
bool rc = Create(RtfString, annotation_type, dimstyle, m_bWrapText, m_rect_width, m_rotation_radians);
return rc;
}
bool ON_TextContent::RebuildRuns(
ON::AnnotationType annotation_type,
const ON_DimStyle* dimstyle
)
{
ON_wString rtfstring = RtfText();
Internal_Destroy();
bool rc = Create(rtfstring, annotation_type, dimstyle, m_bWrapText, m_rect_width, m_rotation_radians);
return rc;
}
bool ON_TextContent::RunReplaceString(
const wchar_t* repl_str,
int start_run_idx,
int start_run_pos,
int end_run_idx,
int end_run_pos)
{
if (nullptr == repl_str)
repl_str = L"";
const ON_TextRunArray* text_runs = TextRuns(true);
if (nullptr == text_runs)
return false;
if (0 > start_run_idx || 0 > start_run_pos || start_run_idx > end_run_idx || end_run_idx >= text_runs->Count())
return false;
const ON_TextRun* start_run = (*text_runs)[start_run_idx];
const ON_TextRun* end_run = (*text_runs)[end_run_idx];
if (nullptr == start_run || nullptr == end_run)
return false;
if (start_run->Type() != ON_TextRun::RunType::kText && start_run->Type() != ON_TextRun::RunType::kField)
return false;
if (end_run->Type() != ON_TextRun::RunType::kText && end_run->Type() != ON_TextRun::RunType::kField)
return false;
ON_wString start_run_string = start_run->TextString();
ON_wString end_run_string = end_run->TextString();
int start_string_length = start_run_string.Length();
int end_string_length = end_run_string.Length();
if (start_run_pos >= start_string_length || end_run_pos >= end_string_length)
return false;
ON_wString new_string;
if (start_run_pos > 0)
new_string = start_run_string.Left(start_run_pos);
new_string += repl_str;
if (end_run_idx == start_run_idx)
new_string += start_run_string.Right(end_string_length - end_run_pos - 1);
ON__UINT32* cp = nullptr;
int cpcount = ON_TextContext::ConvertStringToCodepoints(new_string, cp);
ON_TextContent* new_text_content = Duplicate();
ON_TextRunArray* new_text_runs = new_text_content->TextRuns(true);
ON_TextRun* new_start_run = ON_TextRun::GetManagedTextRun(*(*text_runs)[start_run_idx]);
new_start_run->SetUnicodeString(cpcount, cp);
new_text_runs->RemoveRun(start_run_idx);
new_text_runs->InsertRun(start_run_idx, new_start_run);
int remcount = 0;
for (int ri = start_run_idx+1; ri < end_run_idx; ri++)
{
new_text_runs->RemoveRun(ri);
remcount++;
}
end_run_idx -= remcount;
if (end_run_idx > start_run_idx)
{
if (end_run_pos < end_string_length - 1)
{
new_string = end_run_string.Right(end_string_length - end_run_pos - 1);
ON_TextRun* new_end_run = ON_TextRun::GetManagedTextRun(*(*text_runs)[end_run_idx]);
cp = nullptr;
cpcount = ON_TextContext::ConvertStringToCodepoints(new_string, cp);
new_end_run->SetUnicodeString(cpcount, cp);
new_text_runs->RemoveRun(end_run_idx);
new_text_runs->InsertRun(end_run_idx, new_end_run);
}
else
new_text_runs->RemoveRun(end_run_idx);
}
m__runs = *new_text_runs;
return true;
}
//-----------------------
void ON_TextContent::Internal_SetRunTextHeight(double height)
{
const bool wrapped = (nullptr != m__wrapped_runs);
Internal_DeleteWrappedRuns();
DestroyRuntimeCache();
Internal_ClearTextContentHash();
double w = FormattingRectangleWidth();
m__runs.SetTextHeight(height);
ON_TextContent::MeasureTextContent(this, true, false);
if (wrapped)
WrapText(w);
}
ON::TextHorizontalAlignment ON_TextContent::RuntimeHorizontalAlignment() const
{
return m_runtime_halign;
}
void ON_TextContent::SetRuntimeHorizontalAlignment(ON::TextHorizontalAlignment halign) const
{
m_runtime_halign = halign;
}
void ON_TextContent::GetAlignment(ON::TextHorizontalAlignment& horz, ON::TextVerticalAlignment& vert) const
{
horz = m_h_align;
vert = m_v_align;
}
void ON_TextContent::SetAlignment(
ON::TextHorizontalAlignment horz,
ON::TextVerticalAlignment vert
)
{
if (vert != m_v_align)
{
m_h_align = horz;
m_v_align = vert;
}
else if (horz != m_h_align)
{
RealignTextRuns(horz);
}
m_h_align = horz;
m_v_align = vert;
MeasureTextContent(this, true, m_bWrapText);
Internal_ClearTextContentHash();
}
double ON_TextContent::FormattingRectangleWidth() const
{
return m_rect_width;
}
void ON_TextContent::SetFormattingRectangleWidth(double width)
{
if (ON_IsValid(width) && !isnan(width))
{
m_rect_width = width;
}
}
double ON_TextContent::TextRotationRadians() const
{
return m_rotation_radians;
}
void ON_TextContent::SetTextRotationRadians(double rotation)
{
if (ON_IsValid(rotation) && !isnan(rotation))
{
double twopi = ON_PI * 2.0;
if (fabs(rotation) >= twopi)
rotation = fmod(rotation, twopi);
m_rotation_radians = rotation;
}
}
double ON_TextContent::TextRotationDegrees() const
{
return TextRotationRadians() * ON_RADIANS_TO_DEGREES;
}
void ON_TextContent::SetTextRotationDegrees(double rotation)
{
SetTextRotationRadians(rotation * ON_DEGREES_TO_RADIANS);
}
unsigned int ON_TextContent::EvaluationSerialNumber() const
{
return m_run_evaluation_sn;
}
void ON_TextContent::SetEvaluationSerialNumber(unsigned int sn) const
{
m_run_evaluation_sn = sn;
}
// This realigns from current horizontal alignment to new horizontal alignment
static void RealignTextRunArray(ON_TextRunArray& runs, ON::TextHorizontalAlignment current_h_align, ON::TextHorizontalAlignment new_h_align)
{
if (current_h_align != new_h_align)
{
double dx = 0.0;
int runcount = runs.Count();
for (int i = 0; i < runcount; i++)
{
ON_TextRun* run = runs[i];
if (nullptr != run)
{
const ON_BoundingBox& box = run->BoundingBox();
double w = box.m_max.x - box.m_min.x;
if (w > dx)
dx = w;
}
}
if (ON::TextHorizontalAlignment::Left == current_h_align)
{
if (ON::TextHorizontalAlignment::Center == new_h_align)
dx = -dx / 2.0;
else if (ON::TextHorizontalAlignment::Right == new_h_align)
dx = -dx;
}
else if (ON::TextHorizontalAlignment::Center == current_h_align)
{
if (ON::TextHorizontalAlignment::Left == new_h_align)
dx = dx / 2.0;
else if (ON::TextHorizontalAlignment::Right == new_h_align)
dx = -dx / 2.0;
}
else if (ON::TextHorizontalAlignment::Right == current_h_align)
{
#if defined(ON_DEBUG) && defined(ON_COMPILER_MSC)
if (ON::TextHorizontalAlignment::Left == new_h_align)
dx = dx; // good place for a breakpoint
#endif
if (ON::TextHorizontalAlignment::Center == new_h_align)
dx = dx / 2.0;
}
for (int i = 0; i < runcount; i++)
{
ON_TextRun* run = runs[i];
if (nullptr != run)
{
ON_2dVector o = run->Offset();
o.x += dx;
run->SetOffset(o);
//ON_BoundingBox box = run->BoundingBox();
//ON_2dPoint p0 = box.m_min;
//ON_2dPoint p1 = box.m_max;
//p0.x += dx;
//p1.x += dx;
//run->SetBoundingBox(p0, p1);
}
}
}
}
void ON_TextContent::RealignTextRuns(ON::TextHorizontalAlignment new_h_align)
{
RealignTextRunArray(m__runs, m_h_align, new_h_align);
if (nullptr != m__wrapped_runs)
RealignTextRunArray(*m__wrapped_runs, m_h_align, new_h_align);
}
bool ON_TextContent::HasWrappedRuns() const
{
return (nullptr != m__wrapped_runs && m__wrapped_runs->Count() > 0);
}
bool ON_TextContent::TextIsWrapped() const
{
return (m_bWrapText);
}
void ON_TextContent::SetTextIsWrapped(bool wrapped)
{
if (wrapped != m_bWrapText)
{
Internal_ClearTextContentHash();
m_bWrapText = wrapped;
}
}
// Wrap text to a specified width in model space
bool ON_TextContent::WrapText(double wrapwidth) const
{
bool rc = false;
Internal_DeleteWrappedRuns();
Internal_ClearTextContentHash();
if (0 < m__runs.Count() && wrapwidth == wrapwidth && wrapwidth > 0.0 && this->TextIsWrapped())
{
m__wrapped_runs = new ON_TextRunArray;
if (nullptr != m__wrapped_runs)
{
int newcount = 0;
int runcount = m__runs.Count();
double linewidth = 0.0;
double y_offset = 0.0;
for (int i = 0; i < runcount; i++)
{
newcount += m__runs[i]->WrapTextRun(1, 0, wrapwidth, y_offset, linewidth, *m__wrapped_runs);
}
if (runcount <= newcount)
{
const_cast<ON_TextContent*>(this)->SetTextIsWrapped(true);
rc = ON_TextContent::MeasureTextContent(const_cast<ON_TextContent*>(this), false, true);
}
else
{
delete m__wrapped_runs;
m__wrapped_runs = nullptr;
}
}
}
return rc;
}
// virtual
void ON_TextContent::Dump(ON_TextLog& text_log) const // for debugging
{}
bool ON_TextContent::Write(
ON_BinaryArchive& archive
) const
{
const int content_version = 0;
if (false == archive.BeginWrite3dmAnonymousChunk(content_version))
return false;
bool rc = false;
for (;;)
{
bool bRichTextStringSaved = false;
for (;;)
{
// NEVER commit code with this define set.
//
// This code is used by developers to create files used to test
// code and UI for handing situations when a font is not installed
// on a device.
//
// To create a missing font test .3dm file, you must modify code
// int opennurbs_font.cpp and in opennurbs_text.cpp.
// Search for CREATE_MISSING_FONT_TEST_3DM_FILE to find the locations.
//#define CREATE_MISSING_FONT_TEST_3DM_FILE
#if defined(CREATE_MISSING_FONT_TEST_3DM_FILE)
if (m_text.Length() > 7 && ON_wString::EqualOrdinal( L"{\\rtf1\\", 7, static_cast<const wchar_t*>(m_text), 7, false) )
{
// All fonts in the LOGFONT with MISSING_FONT_TEST_valid_logfont_name
// will be saved as a family named missing_family_name.
// The initial space and terminating ;} are a hack to get the entry in the rtf font table.
// Keep in mind this is developer hack code for creating files to test
// handling of missing fonts. Customers never run this code.
const ON_wString MISSING_FONT_TEST_valid_font_rtf_name(L" Courier New;}");
if (m_text.Find(static_cast<const wchar_t*>(MISSING_FONT_TEST_valid_font_rtf_name)))
{
const ON_wString missing_font_rtf_name(L" Missing Font Test;}");
ON_wString modified_text(static_cast<const wchar_t*>(m_text));
if (modified_text.Replace(static_cast<const wchar_t*>(MISSING_FONT_TEST_valid_font_rtf_name), static_cast<const wchar_t*>(missing_font_rtf_name)) > 0)
{
if (!archive.WriteString(modified_text))
break;
bRichTextStringSaved = true;
break;
}
}
}
#endif
// write correct m_text
if (!archive.WriteString(m_text))
break;
bRichTextStringSaved = true;
break;
}
if (false == bRichTextStringSaved)
break;
// obsolete plane was always world xy
if (!archive.WritePlane(ON_Plane::World_xy))
break;
if (!archive.WriteDouble(m_rect_width))
break;
if (!archive.WriteDouble(m_rotation_radians))
break;
unsigned int u = static_cast<unsigned int>(m_h_align);
if (!archive.WriteInt(u))
break;
u = static_cast<unsigned int>(m_v_align);
if (!archive.WriteInt(u))
break;
// OBSOLETE text height
if (!archive.WriteDouble(1.0))
break;
// If performance is an issue, we can start saving m__runs, m__wrapped_runs and m_bbox
const bool bWrapText = TextIsWrapped();
if (!archive.WriteBool(bWrapText))
break;
rc = true;
break;
}
if (!archive.EndWrite3dmChunk())
rc = false;
return rc;
}
bool ON_TextContent::Read(
ON_BinaryArchive& archive
)
{
*this = ON_TextContent::Empty;
bool bWrappedText = false;
int content_version = 0;
if (false == archive.BeginRead3dmAnonymousChunk(&content_version))
return false;
bool rc = false;
rc = false;
for (;;)
{
if (!archive.ReadString(m_text))
break;
ON_Plane obsolete_plane;
if (!archive.ReadPlane(obsolete_plane))
break;
if (!archive.ReadDouble(&m_rect_width))
break;
if (!archive.ReadDouble(&m_rotation_radians))
break;
unsigned int u;
u = static_cast<unsigned int>(m_h_align);
if (!archive.ReadInt(&u))
break;
m_h_align = ON::TextHorizontalAlignmentFromUnsigned(u);
u = static_cast<unsigned int>(m_v_align);
if (!archive.ReadInt(&u))
break;
m_v_align = ON::TextVerticalAlignmentFromUnsigned(u);
double obsolete_textheight;
if (!archive.ReadDouble(&obsolete_textheight))
break;
// If performance is an issue, we can start saving m__runs, m__wrapped_runs and m_bbox
// Do not set m_bWrappedText here. The call to WrapText() will set it.
if (!archive.ReadBool(&bWrappedText))
break;
SetTextIsWrapped(bWrappedText);
rc = true;
break;
}
if (!rc)
*this = ON_TextContent::Empty;
if (!archive.EndRead3dmChunk())
rc = false;
return rc;
}
int ON_TextContent::Dimension() const
{
return 3;
}
const ON_BoundingBox ON_TextContent::TextContentBoundingBox() const
{
ON_TextRunArray* runs = const_cast<ON_TextContent*>(this)->TextRuns(false);
const int run_count
= (nullptr != runs)
? runs->Count()
: 0;
if (run_count <= 0)
return ON_BoundingBox::EmptyBoundingBox;
const ON_SHA1_Hash text_content_hash = TextContentHash();
if (
m_text_content_bbox.IsValid()
&& m_text_content_bbox_hash == text_content_hash
)
{
return m_text_content_bbox;
}
m_text_content_bbox_hash = ON_SHA1_Hash::ZeroDigest;
m_text_content_bbox = ON_BoundingBox::EmptyBoundingBox;
ON_BoundingBox bbox;
int nonempty_run_count = 0;
for (int i = 0; i < run_count; i++)
{
ON_TextRun* run = (*runs)[i];
if (nullptr == run)
continue;
if (ON_TextRun::RunType::kText == (*runs)[i]->Type() ||
ON_TextRun::RunType::kField == (*runs)[i]->Type())
{
ON_BoundingBox runbox = run->BoundingBox();
if (false == runbox.IsValid())
continue;
const ON_2dVector& runoffset = run->Offset();
if (runoffset.IsValid())
{
runbox.m_min.x = runbox.m_min.x + runoffset.x;
runbox.m_min.y = runbox.m_min.y + runoffset.y;
runbox.m_max.x = runbox.m_max.x + runoffset.x;
runbox.m_max.y = runbox.m_max.y + runoffset.y;
}
if (0 == nonempty_run_count)
{
bbox = runbox;
}
else
{
if (bbox.m_min.x > runbox.m_min.x)
bbox.m_min.x = runbox.m_min.x;
if (bbox.m_min.y > runbox.m_min.y)
bbox.m_min.y = runbox.m_min.y;
if (bbox.m_max.x < runbox.m_max.x)
bbox.m_max.x = runbox.m_max.x;
if (bbox.m_max.y < runbox.m_max.y)
bbox.m_max.y = runbox.m_max.y;
}
nonempty_run_count++;
}
}
if (0 == nonempty_run_count)
return ON_BoundingBox::EmptyBoundingBox;
bbox.m_min.z = 0.0;
bbox.m_max.z = 0.0;
if (bbox.IsValid())
{
m_text_content_bbox = bbox;
m_text_content_bbox_hash = text_content_hash;
}
return bbox;
}
bool ON_TextContent::GetBBox(
double* bmin,
double* bmax,
bool grow
) const
{
if (nullptr == bmin || nullptr == bmax)
grow = false;
const ON_BoundingBox text_content_bbox = TextContentBoundingBox();
ON_BoundingBox bbox;
if (grow)
{
bbox.m_min[0] = bmin[0];
bbox.m_min[1] = bmin[1];
bbox.m_min[2] = bmin[2];
bbox.m_max[0] = bmax[0];
bbox.m_max[1] = bmax[1];
bbox.m_max[2] = bmax[2];
if (bbox.IsValid())
bbox.Union(text_content_bbox);
else
bbox = text_content_bbox;
}
else
{
bbox = text_content_bbox;
}
if (nullptr != bmin)
{
for (int i = 0; i < 3; i++)
{
bmin[i] = bbox.m_min[i];
}
}
if (nullptr != bmax)
{
for (int i = 0; i < 3; i++)
{
bmax[i] = bbox.m_max[i];
}
}
return bbox.IsValid();
}
void ON_TextContent::ClearBoundingBox()
{
Internal_ClearTextContentHash();
}
static void ScaleTextRunHeight(ON_TextRun* run, double htscale)
{
if (0 == run)
return;
run->m_height_scale *= htscale;
run->SetTextHeight(run->TextHeight() * htscale);
run->SetOffset(run->Offset() * htscale);
run->SetAdvance(run->Advance() * htscale);
ON_BoundingBox box = run->BoundingBox();
run->SetBoundingBox(ON_2dPoint(box.m_min.x * htscale, box.m_min.y * htscale), ON_2dPoint(box.m_max.x * htscale, box.m_max.y * htscale));
}
bool ON_TextContent::Transform(const ON_Xform& xform)
{
ON_ERROR("DARN! - wish we never called this function.");
TransformUserData(xform);
int runcount = m__runs.Count();
ON_3dVector ht(0.0, 1.0, 0.0);
ht.Transform(xform);
double r = ht.Length();
double run_text_height = 1.0;
for (int i = 0; i < runcount; i++)
{
const ON_TextRun* run = m__runs[i];
if (nullptr != run && run->TextHeight() > 0.0)
{
run_text_height = run->TextHeight();
break;
}
}
double l = r * run_text_height;
if (ON_ZERO_TOLERANCE < fabs(1.0 - r) && ON_ZERO_TOLERANCE < l)
{
//run_text_height = l;
for (int i = 0; i < runcount; i++)
ScaleTextRunHeight(m__runs[i], r);
if (nullptr != m__wrapped_runs)
{
runcount = m__wrapped_runs->Count();
for (int i = 0; i < runcount; i++)
ScaleTextRunHeight((*m__wrapped_runs)[i], r);
}
}
Internal_ClearTextContentHash();
return true;
}
bool ON_TextContent::GetRun3dCorners(const ON_TextRun* run, ON_3dPoint corners[4]) const
{
if (nullptr == corners)
return false;
if (nullptr == run)
return false;
const ON_2dVector offset = run->Offset();
const ON_BoundingBox run_bbox = run->BoundingBox();
corners[0] = ON_Plane::World_xy.PointAt(run_bbox.m_min.x + offset.x, run_bbox.m_min.y + offset.y);
corners[1] = ON_Plane::World_xy.PointAt(run_bbox.m_max.x + offset.x, run_bbox.m_min.y + offset.y);
corners[2] = ON_Plane::World_xy.PointAt(run_bbox.m_max.x + offset.x, run_bbox.m_max.y + offset.y);
corners[3] = ON_Plane::World_xy.PointAt(run_bbox.m_min.x + offset.x, run_bbox.m_max.y + offset.y);
return true;
}
ON_Mesh* ON_TextContent::Get2dPickMesh() const
{
const ON_TextRunArray* runs = TextRuns(false);
if (nullptr == runs)
return nullptr;
// create a mesh with one tight bounding quad per non-empty line of text
int runcount = runs->Count();
if (0 == runcount)
return nullptr;
ON_Mesh* mesh = new ON_Mesh(runcount, 4 * runcount, false, false);
if (nullptr == mesh)
return nullptr;
//mesh->EnableDoublePrecisionVertices(true);
int vi = 0;
int fi = 0;
ON_3dPoint p;
for (int ri = 0; ri < runcount; ri++)
{
const ON_TextRun* run = (*runs)[ri];
if (nullptr == run || ON_TextRun::RunType::kText != run->Type())
continue;
const ON_2dVector offset = run->Offset();
const ON_BoundingBox run_bbox = run->BoundingBox();
p.Set(run_bbox.m_min.x + offset.x, run_bbox.m_min.y + offset.y, 0.0);
mesh->SetVertex(vi, p);
p.Set(run_bbox.m_max.x + offset.x, run_bbox.m_min.y + offset.y, 0.0);
mesh->SetVertex(vi + 1, p);
p.Set(run_bbox.m_max.x + offset.x, run_bbox.m_max.y + offset.y, 0.0);
mesh->SetVertex(vi + 2, p);
p.Set(run_bbox.m_min.x + offset.x, run_bbox.m_max.y + offset.y, 0.0);
mesh->SetVertex(vi + 3, p);
mesh->SetQuad(fi++, vi, vi + 1, vi + 2, vi + 3);
vi += 4;
}
return mesh;
}
ON_Mesh* ON_TextContent::Get3dPickMesh() const
{
ON_Mesh* mesh = Get2dPickMesh();
return mesh;
}
ON_Mesh* ON_TextContent::Get3dMaskPickMesh(double maskoffset) const
{
ON_3dPoint corners[4];
if (Get3dMaskCorners(maskoffset, corners))
{
ON_Mesh* mesh = new ON_Mesh(1, 4, false, false);
if (nullptr != mesh)
{
mesh->SetVertex(0, corners[0]);
mesh->SetVertex(1, corners[1]);
mesh->SetVertex(2, corners[2]);
mesh->SetVertex(3, corners[3]);
mesh->SetQuad(0, 0, 1, 2, 3);
return mesh;
}
}
return Get3dPickMesh();
}
bool ON_TextContent::Get2dSize(bool raw, double& width, double& height) const
{
ON_2dPoint corners[4];
const ON_TextRunArray* runs = TextRuns(raw);
if (nullptr != runs && runs->Get2dCorners(corners))
{
width = corners[1].x - corners[0].x;
height = corners[3].y - corners[0].y;
return true;
}
return false;
}
bool ON_TextContent::Get2dCorners
(ON_2dPoint corners[4]) const
{
if (nullptr == corners)
return false;
const ON_TextRunArray* runs = TextRuns(false);
if (nullptr == runs)
return false;
return runs->Get2dCorners(corners);
}
bool ON_TextContent::Get3dCorners(ON_3dPoint corners[4]) const
{
if (nullptr == corners)
return false;
bool rc = false; ON_2dPoint corners2d[4];
if (Get2dCorners(corners2d))
{
corners[0] = ON_Plane::World_xy.PointAt(corners2d[0].x, corners2d[0].y);
corners[1] = ON_Plane::World_xy.PointAt(corners2d[1].x, corners2d[1].y);
corners[2] = ON_Plane::World_xy.PointAt(corners2d[2].x, corners2d[2].y);
corners[3] = ON_Plane::World_xy.PointAt(corners2d[3].x, corners2d[3].y);
rc = true;
}
return rc;
}
bool ON_TextContent::Get3dMaskCorners(double border, ON_3dPoint corners[4]) const
{
if (nullptr == corners)
return false;
bool rc = false;
ON_2dPoint corners2d[4];
if (Get2dCorners(corners2d))
{
corners[0] = ON_Plane::World_xy.PointAt(corners2d[0].x - border, corners2d[0].y - border);
corners[1] = ON_Plane::World_xy.PointAt(corners2d[1].x + border, corners2d[1].y - border);
corners[2] = ON_Plane::World_xy.PointAt(corners2d[2].x + border, corners2d[2].y + border);
corners[3] = ON_Plane::World_xy.PointAt(corners2d[3].x - border, corners2d[3].y + border);
rc = true;
}
return rc;
}
bool ON_TextContent::Get3dUnderline(ON_3dPoint ends[2], double scaled_gap) const
{
if (nullptr == ends)
return false;
bool rc = false;
ON_2dPoint corners2d[4];
if (Get2dCorners(corners2d))
{
ends[0] = ON_Plane::World_xy.PointAt(corners2d[0].x, corners2d[0].y - scaled_gap);
ends[1] = ON_Plane::World_xy.PointAt(corners2d[1].x, corners2d[1].y - scaled_gap);
rc = true;
}
return rc;
}
// returns the base point and with grip using the current alignments
void ON_TextContent::GetGripPoints(ON_2dPoint& base, ON_2dPoint& width) const
{
ON_2dPoint p[4];
base.Set(0.0, 0.0);
width.Set(0.0, 1.0);
Get2dCorners(p);
switch (m_h_align)
{
default: //case ON::TextHorizontalAlignment::Left:
{
width = (p[1] + p[2]) / 2.0;
switch (m_v_align)
{
default: //case ON::TextVerticalAlignment::Bottom:
base = p[0];
break;
case ON::TextVerticalAlignment::Middle:
base = (p[0] + p[3]) / 2.0;
break;
case ON::TextVerticalAlignment::Top:
base = p[3];
break;
}
break;
}
case ON::TextHorizontalAlignment::Center:
{
width = (p[1] + p[2]) / 2.0;
switch (m_v_align)
{
default: //case ON::TextVerticalAlignment::Bottom:
base = (p[0] + p[1]) / 2.0;
break;
case ON::TextVerticalAlignment::Middle:
base = (p[0] + p[2]) / 2.0;
break;
case ON::TextVerticalAlignment::Top:
base = (p[2] + p[3]) / 2.0;
break;
}
}
break;
case ON::TextHorizontalAlignment::Right:
{
width = (p[0] + p[3]) / 2.0;
switch (m_v_align)
{
default: //case ON::TextVerticalAlignment::Bottom:
base = p[1];
break;
case ON::TextVerticalAlignment::Middle:
base = (p[1] + p[2]) / 2.0;
break;
case ON::TextVerticalAlignment::Top:
base = p[2];
break;
}
}
break;
}
}
//static
int ON_TextContent::FindAndStackFractions(ON_TextRunArray* runs, int i, ON_wString wstr)
{
if (nullptr == runs || 0 > i || runs->Count() - 1 < i
|| wstr.IsEmpty() || ON_TextRun::RunType::kText != (*runs)[i]->Type())
return 0;
int added = 0;
ON_TextRun* run = (*runs)[i];
run->SetDisplayString(wstr);
int start = wstr.Find(L"[[");
if (wstr.Length() < start + 5)
return 0;
while (0 <= start && !wstr.IsEmpty())
{
int delim = wstr.Find(L'/', start + 3);
if (0 <= delim)
{
int end = wstr.Find(L"]]", delim + 2);
if (0 <= end)
{
// Found a fraction...
if (0 < start)
{
ON_wString startstr = wstr.Left(start);
run->SetDisplayString(startstr);
}
ON_TextRun* stackedrun = ON_TextRun::GetManagedTextRun();
*stackedrun = *run;
ON_wString str = wstr.Left(end).Right(end - start - 2);
stackedrun->SetStacked(ON_TextRun::Stacked::kStacked);
stackedrun->SetDisplayString(str);
ON__UINT32* cp = nullptr;
int cpcount = ON_TextContext::ConvertStringToCodepoints(str, cp);
ON_TextContent::CreateStackedText(stackedrun, cpcount, cp);
stackedrun->SetType(ON_TextRun::RunType::kField);
runs->InsertRun(i + 1, stackedrun);
added++;
wstr = wstr.Right(wstr.Length() - end - 2);
if (!wstr.IsEmpty())
{
start = wstr.Find(L"[[");
if (-1 == start)
{
// no more fractions
ON_TextRun* endrun = ON_TextRun::GetManagedTextRun();
*endrun = *run;
endrun->SetDisplayString(wstr);
endrun->SetType(ON_TextRun::RunType::kField);
runs->InsertRun(i + 2, endrun);
added++;
}
}
}
}
else
break;
}
return added;
}
bool ON_TextContent::CreateStackedText(ON_TextRun* run)
{
int cpcount = (int)run->CodepointCount(run->UnicodeString());
const ON__UINT32* cp = run->UnicodeString();
return ON_TextContent::CreateStackedText(run, cpcount, cp);
}
bool ON_TextContent::CreateStackedText(ON_TextRun* run, int cpcount, const ON__UINT32* cp, ON__UINT32 stack_delimiter)
{
if (0 == run)
return false;
if (ON_TextRun::RunType::kText != run->Type() && ON_TextRun::RunType::kField != run->Type())
return false;
const ON_TextRun::Stacked stacked = run->IsStacked();
if (ON_TextRun::Stacked::kNone == stacked)
return false;
const ON_Font* font = run->Font();
if (nullptr == font)
return false;
// Make 2 runs for the top and bottom of the stack
ON_TextRun* top_run = nullptr;
ON_TextRun* bottom_run = nullptr;
if (nullptr != run->m_stacked_text)
{
if (nullptr != run->m_stacked_text->m_top_run)
{
*run->m_stacked_text->m_top_run = ON_TextRun::Empty;
}
if (nullptr != run->m_stacked_text->m_bottom_run)
{
*run->m_stacked_text->m_bottom_run = ON_TextRun::Empty;
}
stack_delimiter = run->m_stacked_text->m_separator;
}
if (nullptr == top_run)
top_run = ON_TextRun::GetManagedTextRun();
if (nullptr == bottom_run)
bottom_run = ON_TextRun::GetManagedTextRun();
*top_run = *run;
*bottom_run = *run;
top_run->SetStacked(ON_TextRun::Stacked::kNone);
bottom_run->SetStacked(ON_TextRun::Stacked::kNone);
if (nullptr != top_run->m_stacked_text)
delete top_run->m_stacked_text;
if (nullptr != bottom_run->m_stacked_text)
delete bottom_run->m_stacked_text;
top_run->m_stacked_text = nullptr;
bottom_run->m_stacked_text = nullptr;
top_run->SetUnicodeString(0, nullptr);
bottom_run->SetUnicodeString(0, nullptr);
// break the string into top and bottom strings
bool foundseparator = false;
int top_len = 0;
//int cpcount = (int)run->CodepointCount(run->UnicodeString());
//const ON__UINT32* cp = run->UnicodeString();
if (ON_TextRun::Stacked::kTop == stacked)
{
top_len = cpcount;
}
else if (ON_TextRun::Stacked::kBottom == stacked)
{
top_len = 0;
}
else
{
for (int i = 0; i < cpcount; i++)
{
if (stack_delimiter == cp[i])
{
top_len = i;
foundseparator = true;
break;
}
}
}
if (ON_TextRun::Stacked::kTop == stacked || ON_TextRun::Stacked::kStacked == stacked)
top_run->SetUnicodeString(top_len, cp);
if (ON_TextRun::Stacked::kBottom == stacked)
bottom_run->SetUnicodeString(cpcount, cp);
if (ON_TextRun::Stacked::kStacked == stacked)
bottom_run->SetUnicodeString(cpcount - top_len - 1, cp + top_len + 1);
top_run->TextString();
bottom_run->TextString();
const ON_FontMetrics& fm = font->FontMetrics();
double font_scale = fm.GlyphScale(run->TextHeight());
double separator_height = fm.AscentOfI() / 2.0 * font_scale;
//double separator_height = font->m_strikeout_position * font_scale;
double separator_size = fm.UnderscoreThickness() * font_scale;
double height_frac = run->StackHeightFraction();
double frac_run_height = height_frac * run->TextHeight();
top_run->SetTextHeight(frac_run_height);
bottom_run->SetTextHeight(frac_run_height);
MeasureTextRun(top_run);
MeasureTextRun(bottom_run);
//ON_BoundingBox top_box = top_run->BoundingBox();
//ON_BoundingBox bottom_box = bottom_run->BoundingBox();
// make a bounding box for the total stack
double top_width = top_run->BoundingBox().m_max.x - top_run->BoundingBox().m_min.x;
double bottom_width = bottom_run->BoundingBox().m_max.x - bottom_run->BoundingBox().m_min.x;
double stack_width = top_width;
if (bottom_width > top_width)
stack_width = bottom_width;
// add separator_size to the right and left edges of total run
if (ON_TextRun::Stacked::kStacked == stacked)
stack_width += 2.0 * separator_size;
double top_dy = separator_height + 1.5 * separator_size;
double bottom_dy = separator_height - 1.5 * separator_size - (bottom_run->BoundingBox().m_max.y - bottom_run->BoundingBox().m_min.y);
ON_2dPoint box[2]; // total stacked run bounding box
box[0].Set(top_run->BoundingBox().m_min.x, bottom_dy);
box[1].Set(stack_width, top_dy + top_run->BoundingBox().m_max.y);
if (bottom_run->BoundingBox().m_min.x < box[0].x)
box[0].x = bottom_run->BoundingBox().m_min.x;
run->SetBoundingBox(box[0], box[1]);
// Set up offsets for top and bottom strings
// from the current point from the previous run.
// Advance width for the parent run is width of the longest fraction part
// plus separator size
ON_2dVector V(0.0, 0.0);
V.x = stack_width + separator_size;
run->SetAdvance(V);
V.x = (stack_width - top_width) / 2.0;
V.y = top_dy;
top_run->SetOffset(V);
V.x = (stack_width - bottom_width) / 2.0;
V.y = bottom_dy;
bottom_run->SetOffset(V);
if (nullptr == run->m_stacked_text)
run->m_stacked_text = new ON_StackedText;
run->m_stacked_text->m_top_run = top_run;
run->m_stacked_text->m_bottom_run = bottom_run;
run->m_stacked_text->m_parent_run = run;
run->m_stacked_text->m_separator = (wchar_t)stack_delimiter;
return true;
}
ON_SHA1_Hash ON_TextContent::DimStyleTextPositionPropertiesHash() const
{
return m_dimstyle_text_position_properties_hash;
}
ON::AnnotationType ON_TextContent::Internal_AlignmentAnnotationType(
ON::AnnotationType annotation_type
)
{
switch (annotation_type)
{
case ON::AnnotationType::Text:
case ON::AnnotationType::Leader:
case ON::AnnotationType::Diameter:
case ON::AnnotationType::Radius:
return annotation_type;
default:
break;
}
return ON::AnnotationType::Unset;
}
bool ON_TextContent::EqualTextPositionProperties(
ON::AnnotationType annotation_type,
const class ON_DimStyle* dimstyle
) const
{
return (
ON_TextContent::Internal_AlignmentAnnotationType(m_annotation_type) == ON_TextContent::Internal_AlignmentAnnotationType(annotation_type)
&& m_dimstyle_text_position_properties_hash == ON_DimStyle::DimStyleOrDefault(dimstyle).TextPositionPropertiesHash()
);
}
ON_TextRunArray* ON_TextContent::TextRuns(bool bRaw) const
{
if (false == bRaw && nullptr != m__wrapped_runs)
return m__wrapped_runs;
return &m__runs;
}
const wchar_t* ON_TextContent::RtfText() const
{
return m_text;
}
const ON_Font& ON_TextContent::DefaultFont() const
{
if (nullptr != m_default_font)
return *m_default_font;
else
return ON_Font::Default;
}
bool ON_TextContent::ComposeText()
{
ON_wString rtf;
ON_wString nothing;
if (RtfComposer::Compose(this, rtf, false))
{
m_text = rtf;
return true;
}
return false;
}
// Sets Run Bounding Box and Advance to Model units
// Those sizes are still subject to scaling for display
// at annotative scales in details, etc.
// static
bool ON_TextContent::MeasureTextRun(ON_TextRun* run)
{
if (0 == run)
return false;
if (ON_TextRun::RunType::kText != run->Type())
return false;
const ON_Font* font = run->Font();
if (0 == font)
return false;
ON_TextBox text_box;
const int line_count = ON_FontGlyph::GetGlyphListBoundingBox(run->DisplayString(), font, text_box);
bool rc = (line_count > 0 && text_box.IsSet());
if (line_count == 0 && ON_TextRun::RunType::kText == run->Type())
run->SetBoundingBox(ON_2dPoint(0,0), ON_2dPoint(0,0));
if (rc)
{
// Uses text height in WCS and character (I) height in font units to
// Convert Font units to Model units
double height_scale = run->HeightScale(font);
ON_Xform scale_xform(ON_Xform::DiagonalTransformation(height_scale));
ON_2dPoint minpt(text_box.m_bbmin.i, text_box.m_bbmin.j), maxpt(text_box.m_bbmax.i, text_box.m_bbmax.j);
ON_2dVector advance(text_box.m_advance.i, text_box.m_advance.j);
minpt.Transform(scale_xform);
maxpt.Transform(scale_xform);
advance.Transform(scale_xform);
// Store bbox and advance on ON_TextRun in Model units not scaled by annotation scale
if (ON_TextRun::RunType::kText == run->Type())
run->SetBoundingBox(minpt, maxpt);
run->SetAdvance(advance);
}
return rc;
}
double ON_TextContent::GetLinefeedHeight(ON_TextRun& run)
{
double lfht = ON_FontMetrics::DefaultLineFeedRatio; // (1.6)
if (nullptr != run.Font())
{
// March 2017 Dale Lear asks:
// Why not use run.Font()->FontMetrics().LineSpace() instead
// of this?
const double text_height = run.TextHeight();
const double legacy_lfht = ON_FontMetrics::DefaultLineFeedRatio * text_height;
// September 2018 Dale Lear
// Fix for https://mcneel.myjetbrains.com/youtrack/issue/RH-48824
//
// In an attempt to cause minimal distruption to the line spacing
// in existing files using common fonts
// (Arial, Klavika, Helvetica, City/Country Blueprint, ...)
// AND fix the bug for fonts like Microsoft Himalaya, I am switching
// to using line spacing value from the font metrics, BUT, I use
// this value only when it is substantually larger than the
// "1.6*HeightOfI" value we've been using since Rhino 4.
//
const ON_FontMetrics& fm = run.m_managed_font->FontMetrics();
const double ascent_of_I = fm.AscentOfCapital(); // legacy "height of I"
const double font_line_space = fm.LineSpace(); // font designer's line spacing
const double font_metric_lfht
= (ascent_of_I > 0.0)
? (text_height / ascent_of_I)*font_line_space
: 0.0;
// The 1.25 threshold value was picked so that the fonts
// Arial, Arial Black, City Blueprint, Country Blueprint, Klavika*,
// Helvetica, Technic, Bahnschrift, Segoe UI, Courier, Franklin Gothic,
// Malgun Gothic, Futura, Lucida, Tahoma will continue to use line spacing
// that the have in Rhino 4, 5, 6 (up to Setp 2018). These fonts are common
// and lots of existing files have drawings with text blocks that will
// have incorrect spacing if we use the font designer's spacing.
// The font Microsoft Himalaya has font_metric_lfht/legacy_lfht = 1.4
// so it will use the new spacing and be readable. More generally,
// if font_metric_lfht/legacy_lfht > 1.25, and the font designer set
// fm.LineSpace() to a reasonable value, then it is likely that
// multiline text will have overlapping glyphs.
lfht
= (font_metric_lfht > 1.25*legacy_lfht)
? font_metric_lfht // this fixes https://mcneel.myjetbrains.com/youtrack/issue/RH-48824
: legacy_lfht;
if (!(lfht == legacy_lfht))
ON_TextLog::Null.Print(L"Break");
}
return lfht;
}
static void SetLineOffsets(const ON_TextRunArray* runs, int ri, int ri0, ON::TextHorizontalAlignment h_align, double max_line_width, ON_2dVector offset)
{
if (nullptr == runs)
return;
double width = 0.0;
double osx = 0.0;
// Get width of this line
for (int i = ri0; i < ri; i++)
{
width += (*runs)[i]->Advance().x;
}
if (h_align == ON::TextHorizontalAlignment::Right)
osx = max_line_width - width;
else if (h_align == ON::TextHorizontalAlignment::Center)
osx = (max_line_width - width) / 2.0;
for (int i = ri0; i < ri; i++)
{
if (i == ri0)
offset.x += osx;
ON_TextRun* text_run = const_cast<ON_TextRun*>(runs->operator[](i));
if (nullptr != text_run)
{
text_run->SetOffset(offset);
offset.x += text_run->Advance().x;
}
}
}
//static
bool ON_TextContent::MeasureTextContent(ON_TextContent* text, bool raw, bool wrapped)
{
if (0 == text)
return false;
if (!raw && !wrapped)
return false;
bool rc0 = false, rc1 = false;
ON_TextRunArray* runs = nullptr;
if (raw)
{
runs = text->TextRuns(true);
if (nullptr != runs)
rc0 = ON_TextContent::MeasureTextRunArray(runs, text->m_v_align, text->m_h_align);
}
if (wrapped)
{
ON_TextRunArray* wruns = text->TextRuns(false);
if (nullptr != wruns && wruns != runs)
rc1 = ON_TextContent::MeasureTextRunArray(wruns, text->m_v_align, text->m_h_align);
}
ON_BoundingBox bbox;
//text->GetBBox(&bbox.m_min.x, &bbox.m_max.x, false);
if (raw && !rc0)
return false;
if (wrapped && !rc1)
return false;
return true;
}
//static
bool ON_TextContent::MeasureTextRunArray(
ON_TextRunArray* runs,
ON::TextVerticalAlignment v_align,
ON::TextHorizontalAlignment h_align)
{
if (0 == runs)
return false;
bool rc = true;
int line_index = 0;
ON_2dPoint bbmin(1e300, 1e300), bbmax(-1e300, -1e300);
double max_line_width = 0.0, line_width = 0.0;
double max_line_height = 0.0, line_height = 0.0;
double total_height = 0.0, linefeed_height = 0.0;
bool line_start = true; // at the start of a line of text
bool line_end = true; // last run produced a newline
int run_count = runs->Count();
ON_2dPoint current_point(0.0, 0.0);
//double os_width = 0.0;
ON_TextRun* last_text_run = 0;
// Find the width of the longest run
// and total height of all lines
for (int ri = 0; rc && ri < run_count; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (0 != run)
{
run->m_line_index = line_index;
run->SetOffset(ON_2dVector(0.0, 0.0));
if (ON_TextRun::RunType::kNewline == run->Type() ||
ON_TextRun::RunType::kSoftreturn == run->Type() ||
ON_TextRun::RunType::kParagraph == run->Type())
{
// When a linefeed is found, set the advance.y of the run to the linefeed height
// and if there is an accumulated width wider than the current linewidth, save it.
total_height += line_height; // max height for the line
double lfh = ON_TextContent::GetLinefeedHeight(*run);
if (lfh > linefeed_height)
linefeed_height = lfh;
// Set advance of newline run to linefeed height
double y = linefeed_height; // max lf height for the line
// Add just the extra for the line spacing to the height
total_height += (y - line_height);
run->SetAdvance(ON_2dVector(0.0, -y));
// See if this was the longest line
if (line_width > max_line_width)
max_line_width = line_width;
line_width = 0.0;
line_index++;
line_start = true;
line_end = true;
current_point = current_point + run->Advance();
}
else if (ON_TextRun::RunType::kText == run->Type())
{
if (run->IsStacked() != ON_TextRun::Stacked::kNone)
{
ON_TextContent::CreateStackedText(run);
}
else
{
// MeasureTextRun() sets Run Bounding Box and Advance
ON_TextContent::MeasureTextRun(run);
}
line_width += run->Advance().x; // Add width of this run
if (run->TextHeight() > line_height)
line_height = run->TextHeight(); // Increase height if this is highest run so far in this line
double lfh = ON_TextContent::GetLinefeedHeight(*run);
if (line_start || lfh > linefeed_height)
linefeed_height = lfh; // Increase linefeed height if this is the higest so far in this line
line_start = false;
line_end = false;
last_text_run = run;
}
if (max_line_height == 0.0)
max_line_height = line_height;
}
}
if (!line_end) // last run was text (not a linefeed or paragraph run)
{
// Add just the extra for the line spacing to the height
total_height += linefeed_height;
// See if this was the longest line
if (line_width > max_line_width)
max_line_width = line_width;
}
int ri0 = 0, ri1 = 0;
ON_2dVector offset(0.0, 0.0);
for (int ri = 0; rc && ri < run_count; ri++)
{
ri0 = ri;
ON_TextRun* run = (*runs)[ri];
if (nullptr != run)
{
if (ON_TextRun::RunType::kNewline == run->Type() ||
ON_TextRun::RunType::kSoftreturn == run->Type() ||
ON_TextRun::RunType::kParagraph == run->Type())
{
SetLineOffsets(runs, ri0, ri1, h_align, max_line_width, offset);
offset.x = 0.0;
offset.y += run->Advance().y;
ri1 = ri0 + 1;
}
}
}
if (!line_end) // last run was text so do the last line
SetLineOffsets(runs, ri0 + 1, ri1, h_align, max_line_width, offset);
double osy = 0.0, osx = 0.0;
if (v_align == ON::TextVerticalAlignment::Top)
osy = -max_line_height;
else if (v_align == ON::TextVerticalAlignment::Bottom)
osy = total_height - linefeed_height;
else if (v_align == ON::TextVerticalAlignment::Middle)
osy = (total_height - max_line_height - linefeed_height) / 2.0;
if (h_align == ON::TextHorizontalAlignment::Right)
osx = -max_line_width;
else if (h_align == ON::TextHorizontalAlignment::Center)
osx = -max_line_width / 2.0;
for (int ri = 0; rc && ri < run_count; ri++)
{
ON_TextRun* run = (*runs)[ri];
if (0 != run) // && run->Type() == kText
{
ON_2dVector o = run->Offset();
o.x += osx;
o.y += osy;
run->SetOffset(o);
if (run->IsStacked() != ON_TextRun::Stacked::kNone && run->m_stacked_text)
{
ON_TextRun* srun = run->m_stacked_text->m_top_run;
if (srun)
{
ON_2dVector V(o);
ON_2dVector sro = srun->Offset();
V.x += sro.x;
V.y += sro.y;
srun->SetOffset(V);
}
srun = run->m_stacked_text->m_bottom_run;
if (srun)
{
ON_2dVector V(o);
ON_2dVector sro = srun->Offset();
V.x += sro.x;
V.y += sro.y;
srun->SetOffset(V);
}
}
}
}
return rc;
}
// Dimension text formatting
bool ON_TextContent::FormatTolerance(
double distance,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
ON_wString sDist;
#ifndef ON_TEXT_BRACKET_FRACTION // Stacked fraction bracket
bool bracket_stack_frac = false;
#endif
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON_DimStyle::LengthDisplay dim_length_display =
alt
? dimstyle->AlternateDimensionLengthDisplay()
: dimstyle->DimensionLengthDisplay();
const ON::LengthUnitSystem dim_us
= alt
? dimstyle->AlternateDimensionLengthDisplayUnit(0)
: dimstyle->DimensionLengthDisplayUnit(0);
bool bracket_stack_frac = ON_DimStyle::stack_format::None != dimstyle->StackFractionFormat();
ON_DimStyle::tolerance_format tolstyle = dimstyle->ToleranceFormat();
int tolprecision = alt ? dimstyle->AlternateToleranceResolution() : dimstyle->ToleranceResolution();
ON_DimStyle::suppress_zero zs = alt ? dimstyle->AlternateZeroSuppress() : dimstyle->ZeroSuppress();
double length_factor = 1.0; // dimstyle->LengthFactor(); RH-63775
double unit_length_factor = ON::UnitScale(units_in, dim_us);
length_factor *= unit_length_factor;
if (alt)
{
length_factor *= dimstyle->AlternateLengthFactor();
}
switch (tolstyle)
{
case ON_DimStyle::tolerance_format::None:
break;
case ON_DimStyle::tolerance_format::Symmetrical:
{
ON_wString sTol;
double tol_uv = dimstyle->ToleranceUpperValue();
tol_uv *= length_factor;
wchar_t decimal_char = dimstyle->DecimalSeparator();
if (ON_TextContent::FormatLength(tol_uv, dim_length_display, 0.0, tolprecision, zs, bracket_stack_frac, decimal_char, sTol))
{
formatted_string += ON_wString::PlusMinusSymbol;
formatted_string += sTol;
}
break;
}
case ON_DimStyle::tolerance_format::Deviation:
{
double tol_uv = dimstyle->ToleranceUpperValue();
double tol_lv = dimstyle->ToleranceLowerValue();
wchar_t tol_uv_sign = L'+';
wchar_t tol_lv_sign = L'-';
tol_uv *= length_factor;
tol_lv *= length_factor;
if (tol_uv >= 0.0)
tol_uv_sign = L'+';
else
tol_uv_sign = L'-';
tol_uv = fabs(tol_uv);
if (tol_lv >= 0.0)
tol_lv_sign = L'-';
else
tol_lv_sign = L'+';
tol_lv = fabs(tol_lv);
wchar_t decimal_char = dimstyle->DecimalSeparator();
ON_wString sTol_uv, sTol_lv;
// Can't use stacked fractions in tolerances because run stacking isn't recursive in ON_Text
if (ON_TextContent::FormatLength(tol_uv, dim_length_display, 0.0, tolprecision, zs, false, decimal_char, sTol_uv) &&
ON_TextContent::FormatLength(tol_lv, dim_length_display, 0.0, tolprecision, zs, false, decimal_char, sTol_lv))
{
formatted_string += L" [[";
formatted_string += L"|";
formatted_string += tol_uv_sign;
formatted_string += sTol_uv;
formatted_string += L"|";
formatted_string += tol_lv_sign;
formatted_string += sTol_lv;
formatted_string += L"]]";
}
break;
}
case ON_DimStyle::tolerance_format::Limits:
{
double tol_uv = dimstyle->ToleranceUpperValue();
double tol_lv = dimstyle->ToleranceLowerValue();
tol_uv *= length_factor;
tol_lv *= length_factor;
tol_uv = distance + tol_uv;
tol_lv = distance - tol_lv;
wchar_t decimal_char = dimstyle->DecimalSeparator();
ON_wString sDist_u, sDist_l;
// Can't use stacked fractions in tolerances because run stacking isn't recursive in ON_Text
if (ON_TextContent::FormatLength(tol_uv, dim_length_display, 0.0, tolprecision, zs, false, decimal_char, sDist_u) &&
ON_TextContent::FormatLength(tol_lv, dim_length_display, 0.0, tolprecision, zs, false, decimal_char, sDist_l))
{
formatted_string += L" [[";
formatted_string += L"|";
formatted_string += sDist_u;
formatted_string += L"|";
formatted_string += sDist_l;
formatted_string += L"]]";
}
break;
}
}
return true;
}
bool ON_TextContent::FormatDistance(
double distance_in,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
ON_wString sDist;
#ifndef ON_TEXT_BRACKET_FRACTION // Stacked fraction bracket
bool bracket_stack_frac = false;
#endif
double distance = distance_in;
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON_DimStyle::LengthDisplay dim_length_display =
alt
? dimstyle->AlternateDimensionLengthDisplay()
: dimstyle->DimensionLengthDisplay();
const ON::LengthUnitSystem dim_us
= alt
? dimstyle->AlternateDimensionLengthDisplayUnit(0)
: dimstyle->DimensionLengthDisplayUnit(0);
double length_factor =
alt
? dimstyle->AlternateLengthFactor()
: dimstyle->LengthFactor();
double unit_length_factor = ON::UnitScale(units_in, dim_us);
distance = unit_length_factor * length_factor * distance_in;
bool bracket_stack_frac = ON_DimStyle::stack_format::None != dimstyle->StackFractionFormat();
double roundoff = alt ? dimstyle->AlternateRoundOff() : dimstyle->RoundOff();
int precision = alt ? dimstyle->AlternateLengthResolution() : dimstyle->LengthResolution();
ON_DimStyle::suppress_zero zs = alt ? dimstyle->AlternateZeroSuppress() : dimstyle->ZeroSuppress();
// Fixes rounding error (0.00098 -> 0.001)
if (fabs(distance) < pow(10.0, -(precision + 1)))
distance = 0.0;
wchar_t decimal_char = dimstyle->DecimalSeparator();
ON_TextContent::FormatLength(distance, dim_length_display, roundoff, precision, zs, bracket_stack_frac, decimal_char, formatted_string);
return true;
}
bool ON_TextContent::FormatDistanceAndTolerance(
double distance_in,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
if (ON_DimStyle::tolerance_format::Limits != dimstyle->ToleranceFormat())
ON_TextContent::FormatDistance(distance_in, units_in, dimstyle, alt, formatted_string);
if (ON_DimStyle::tolerance_format::None != dimstyle->ToleranceFormat())
ON_TextContent::FormatTolerance(distance_in, units_in, dimstyle, alt, formatted_string);
return true;
}
// static
bool ON_TextContent::FormatDistanceMeasurement(
double distance_in,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
const wchar_t* user_text, // Replace "<>" in user_text with formatted dimension
ON_wString& formatted_string) // Output
{
if (nullptr == dimstyle)
return false;
formatted_string.Empty();
if (nullptr == user_text || 0 == user_text[0])
user_text = L"<>";
ON_wString user_string(user_text);
int cpi = user_string.Find(L"<>");
if (-1 != cpi)
{
if (nullptr != dimstyle->Prefix())
formatted_string += dimstyle->Prefix();
int len = user_string.Length();
for (int i = 0; i < len; i++)
{
if (i == cpi)
{
FormatDistanceAndTolerance(distance_in, units_in, dimstyle, false, formatted_string);
if (nullptr != dimstyle->Suffix())
formatted_string += dimstyle->Suffix();
if (dimstyle->Alternate()) // text alternate units
{
if (dimstyle->AlternateBelow())
formatted_string += L"{\\par}";
formatted_string += dimstyle->AlternatePrefix();
FormatDistanceAndTolerance(distance_in, units_in, dimstyle, true, formatted_string);
formatted_string += dimstyle->AlternateSuffix();
}
i++; // skips past the < in <>
}
else
formatted_string += user_string[i];
}
}
else // no "<>" in the string
{
//if (nullptr != dimstyle->Prefix())
// formatted_string += dimstyle->Prefix();
int ix = user_string.ReverseFind(L"\\par");
if (ix >= 0)
{
formatted_string += user_string.Left(ix);
int il = user_string.Length() - ix - 4;
formatted_string += user_string.Right(il);
}
else
{
formatted_string += user_string;
}
ON_TextContent::FormatTolerance(distance_in, units_in, dimstyle, false, formatted_string);
//if (nullptr != dimstyle->Suffix())
// formatted_string += dimstyle->Suffix();
if (dimstyle->Alternate()) // text alternate units
{
if (dimstyle->AlternateBelow())
formatted_string += L"{\\par}";
formatted_string += dimstyle->AlternatePrefix();
FormatDistanceAndTolerance(distance_in, units_in, dimstyle, true, formatted_string);
formatted_string += dimstyle->AlternateSuffix();
}
}
return true;
}
// Converts measurement to string, including scale factor, tolerances, pre- and postfix ...
// static
bool ON_TextContent::FormatAngleMeasurement(
double angle_radians,
const ON_DimStyle* dimstyle,
const wchar_t* user_text,
ON_wString& formatted_string)
{
if (nullptr == dimstyle)
return false;
formatted_string.Empty();
if (nullptr == user_text || 0 == user_text[0])
user_text = L"<>";
ON_wString user_string(user_text);
ON_wString sNumber(L"");
int cpi = user_string.Find(L"<>");
if (-1 == cpi) // No <> token to replace - just print the user text - no substitution
{
formatted_string = user_string;
}
else
{
int len = user_string.Length();
for (int i = 0; i < len; i++)
{
if (i == cpi)
{
ON_wString sAngle;
if (ON_DimStyle::angle_format::DecimalDegrees == dimstyle->AngleFormat() ||
ON_DimStyle::angle_format::Radians == dimstyle->AngleFormat() ||
ON_DimStyle::angle_format::Grads == dimstyle->AngleFormat())
{
double angle = angle_radians;
if (ON_DimStyle::angle_format::DecimalDegrees == dimstyle->AngleFormat())
angle = ON_RADIANS_TO_DEGREES * angle_radians;
else if (ON_DimStyle::angle_format::Grads == dimstyle->AngleFormat())
angle = angle_radians * 200.0 / ON_PI;
double roundoff = dimstyle->AngleRoundOff();
int resolution = dimstyle->AngleResolution();
ON_DimStyle::suppress_zero suppress = dimstyle->AngleZeroSuppress();
wchar_t decimal_char = dimstyle->DecimalSeparator();
ON_TextContent::FormatAngleStringDecimal(angle, resolution, roundoff, suppress, decimal_char, sAngle);
if (ON_DimStyle::angle_format::DecimalDegrees == dimstyle->AngleFormat())
sAngle += ON_wString::DegreeSymbol;
else if (ON_DimStyle::angle_format::Radians == dimstyle->AngleFormat())
sAngle += L'r';
else if (ON_DimStyle::angle_format::Grads == dimstyle->AngleFormat())
sAngle += L'g';
}
else if (ON_DimStyle::angle_format::DegMinSec == dimstyle->AngleFormat())
{
wchar_t decimal_char = dimstyle->DecimalSeparator();
int resolution = dimstyle->AngleResolution();
ON_TextContent::FormatAngleStringDMS(angle_radians, decimal_char, resolution, sAngle);
}
formatted_string += sAngle;
i++; // skips past the < in <>
}
else
formatted_string += user_string[i];
}
}
return true;
}
bool ON_TextContent::FormatLength(
double distance,
ON_DimStyle::LengthDisplay output_lengthdisplay,
double round_off,
int resolution,
ON_DimStyle::suppress_zero zero_suppress,
bool bracket_fractions,
wchar_t decimal_char,
ON_wString & output)
{
bool rc = ON_NumberFormatter::FormatLength( distance, output_lengthdisplay, round_off, resolution, zero_suppress, bracket_fractions, output);
if (rc && ON_wString::DecimalAsPeriod != decimal_char)
output.Replace(ON_wString::DecimalAsPeriod, decimal_char);
return rc;
}
bool ON_TextContent::FormatAngleStringDMS(
double angle_degrees,
wchar_t decimal_char,
ON_wString& formatted_string)
{
return ON_TextContent::FormatAngleStringDMS(angle_degrees, decimal_char, 2, formatted_string);
}
bool ON_TextContent::FormatAngleStringDMS(
double angle_degrees,
wchar_t decimal_char,
int resolution,
ON_wString& formatted_string)
{
bool rc = ON_NumberFormatter::FormatAngleStringDMS(angle_degrees, resolution, formatted_string);
if (rc && ON_wString::DecimalAsPeriod != decimal_char)
formatted_string.Replace(ON_wString::DecimalAsPeriod, decimal_char);
return rc;
}
bool ON_TextContent::FormatAngleStringDecimal(
double angle_radians,
int resolution,
double roundoff,
ON_DimStyle::suppress_zero zero_suppression,
wchar_t decimal_char,
ON_wString& formatted_string)
{
bool rc = ON_NumberFormatter::FormatAngleStringDecimal(angle_radians, resolution, roundoff, zero_suppression, formatted_string);
if (rc && ON_wString::DecimalAsPeriod != decimal_char)
formatted_string.Replace(ON_wString::DecimalAsPeriod, decimal_char);
return rc;
}
bool ON_TextContent::FormatArea(
double area_in,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
return ON_TextContent::FormatAreaOrVolume(area_in, true, units_in, dimstyle, alt, formatted_string);
}
bool ON_TextContent::FormatVolume(
double volume_in,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
return ON_TextContent::FormatAreaOrVolume(volume_in, false, units_in, dimstyle, alt, formatted_string);
}
bool ON_TextContent::FormatAreaOrVolume(
double area_or_volume_in,
bool format_area,
ON::LengthUnitSystem units_in,
const ON_DimStyle* dimstyle,
bool alt,
ON_wString& formatted_string)
{
double value = area_or_volume_in;
if (nullptr == dimstyle)
dimstyle = &ON_DimStyle::Default;
const ON::LengthUnitSystem dim_us
= alt
? dimstyle->AlternateDimensionLengthDisplayUnit(0)
: dimstyle->DimensionLengthDisplayUnit(0);
double length_factor =
alt
? dimstyle->AlternateLengthFactor()
: dimstyle->LengthFactor();
double unit_length_factor = ON::UnitScale(units_in, dim_us);
value = format_area ?
unit_length_factor * unit_length_factor * length_factor * area_or_volume_in :
unit_length_factor * unit_length_factor * unit_length_factor * length_factor * area_or_volume_in;
double roundoff = alt ? dimstyle->AlternateRoundOff() : dimstyle->RoundOff();
int precision = alt ? dimstyle->AlternateLengthResolution() : dimstyle->LengthResolution();
ON_DimStyle::suppress_zero zs = alt ? dimstyle->AlternateZeroSuppress() : dimstyle->ZeroSuppress();
if (fabs(value) < pow(10.0, -(precision + 1)))
value = 0.0;
wchar_t decimal_char = dimstyle->DecimalSeparator();
ON_DimStyle::OBSOLETE_length_format output_format = ON_DimStyle::OBSOLETE_length_format::Decimal;
bool rc = ON_NumberFormatter::FormatNumber(
value,
output_format,
roundoff,
precision,
zs,
false,
formatted_string);
if (rc && ON_wString::DecimalAsPeriod != decimal_char)
formatted_string.Replace(ON_wString::DecimalAsPeriod, decimal_char);
return rc;
}
ON::TextVerticalAlignment ON::TextVerticalAlignmentFromUnsigned(
unsigned int vertical_alignment_as_unsigned
)
{
switch (vertical_alignment_as_unsigned)
{
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::Top);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::MiddleOfTop);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::BottomOfTop);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::Middle);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::MiddleOfBottom);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::Bottom);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextVerticalAlignment::BottomOfBoundingBox);
}
ON_ERROR("invalid vertical_alignment_as_unsigned parameter.");
return (ON::TextVerticalAlignment::Top);
}
ON::TextHorizontalAlignment ON::TextHorizontalAlignmentFromUnsigned(
unsigned int horizontal_alignment_as_unsigned
)
{
switch (horizontal_alignment_as_unsigned)
{
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextHorizontalAlignment::Left);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextHorizontalAlignment::Center);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextHorizontalAlignment::Right);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextHorizontalAlignment::Auto);
}
ON_ERROR("invalid vertical_alignment_as_unsigned parameter.");
return (ON::TextHorizontalAlignment::Left);
}
ON::TextOrientation ON::TextOrientationFromUnsigned(
unsigned int orientation_as_unsigned
)
{
switch (orientation_as_unsigned)
{
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextOrientation::InPlane);
ON_ENUM_FROM_UNSIGNED_CASE(ON::TextOrientation::InView);
}
ON_ERROR("invalid orientation_as_unsigned parameter.");
return (ON::TextOrientation::InPlane);
}
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