int CachingWordShaper::offsetForPosition(const Font* font, const TextRun& run, float targetX, bool includePartialGlyphs)
{
ShapeResultBuffer buffer;
shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer);
return buffer.offsetForPosition(run, targetX, includePartialGlyphs);
}
int CachingWordShaper::offsetForPosition(const Font* font, const TextRun& run, float targetX)
{
Vector<RefPtr<ShapeResult>> results;
shapeResultsForRun(m_shapeCache, font, run, nullptr, &results);
return ShapeResult::offsetForPosition(results, run, targetX);
}
float CachingWordShaper::fillGlyphBufferForTextEmphasis(const Font* font,
const TextRun& run, const GlyphData* emphasisData, GlyphBuffer* glyphBuffer,
unsigned from, unsigned to)
{
ShapeResultBuffer buffer;
shapeResultsForRun(m_shapeCache, font, run, nullptr, &buffer);
return buffer.fillGlyphBufferForTextEmphasis(glyphBuffer, run, emphasisData, from, to);
}
float CachingWordShaper::fillGlyphBuffer(const Font* font, const TextRun& run,
HashSet<const SimpleFontData*>* fallbackFonts,
GlyphBuffer* glyphBuffer, unsigned from, unsigned to)
{
ShapeResultBuffer buffer;
shapeResultsForRun(m_shapeCache, font, run, fallbackFonts, &buffer);
return buffer.fillGlyphBuffer(glyphBuffer, run, from, to);
}
CharacterRange CachingWordShaper::getCharacterRange(const Font* font,
const TextRun& run, unsigned from, unsigned to)
{
ShapeResultBuffer buffer;
float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr,
&buffer);
return buffer.getCharacterRange(run.direction(), totalWidth, from, to);
}
float CachingWordShaper::fillGlyphBuffer(const Font* font, const TextRun& run,
HashSet<const SimpleFontData*>* fallbackFonts,
GlyphBuffer* glyphBuffer, unsigned from, unsigned to)
{
Vector<RefPtr<ShapeResult>> results;
shapeResultsForRun(m_shapeCache, font, run, fallbackFonts, &results);
return ShapeResult::fillGlyphBuffer(results, glyphBuffer, run, from, to);
}
float CachingWordShaper::fillGlyphBufferForTextEmphasis(const Font* font,
const TextRun& run, const GlyphData* emphasisData, GlyphBuffer* glyphBuffer,
unsigned from, unsigned to)
{
Vector<RefPtr<ShapeResult>> results;
shapeResultsForRun(m_shapeCache, font, run, nullptr, &results);
return ShapeResult::fillGlyphBufferForTextEmphasis(results, glyphBuffer,
run, emphasisData, from, to);
}
FloatRect CachingWordShaper::selectionRect(const Font* font, const TextRun& run,
const FloatPoint& point, int height, unsigned from, unsigned to)
{
Vector<RefPtr<ShapeResult>> results;
float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr,
&results);
return ShapeResult::selectionRect(results, run.direction(), totalWidth,
point, height, from, to);
}
float CachingWordShaper::fillGlyphBuffer(const Font* font, const TextRun& run,
HashSet<const SimpleFontData*>* fallbackFonts,
GlyphBuffer* glyphBuffer, unsigned from, unsigned to)
{
#ifdef MINIBLINK_NOT_IMPLEMENTED
Vector<RefPtr<ShapeResult>> results;
shapeResultsForRun(m_shapeCache, font, run, fallbackFonts, &results);
return ShapeResult::fillGlyphBuffer(results, glyphBuffer, run, from, to);
#endif // MINIBLINK_NOT_IMPLEMENTED
notImplemented();
return 0;
}
FloatRect CachingWordShaper::selectionRect(const Font* font, const TextRun& run,
const FloatPoint& point, int height, unsigned from, unsigned to)
{
#ifdef MINIBLINK_NOT_IMPLEMENTED
Vector<RefPtr<ShapeResult>> results;
float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr,
&results);
return ShapeResult::selectionRect(results, run.direction(), totalWidth,
point, height, from, to);
#endif // MINIBLINK_NOT_IMPLEMENTED
notImplemented();
return FloatRect();
}
float CachingWordShaper::fillGlyphBufferForTextEmphasis(const Font* font,
const TextRun& run, const GlyphData* emphasisData, GlyphBuffer* glyphBuffer,
unsigned from, unsigned to)
{
#ifdef MINIBLINK_NOT_IMPLEMENTED
Vector<RefPtr<ShapeResult>> results;
shapeResultsForRun(m_shapeCache, font, run, nullptr, &results);
return ShapeResult::fillGlyphBufferForTextEmphasis(results, glyphBuffer,
run, emphasisData, from, to);
#endif // MINIBLINK_NOT_IMPLEMENTED
notImplemented();
return 0;
}
Vector<CharacterRange> CachingWordShaper::individualCharacterRanges(
const Font* font, const TextRun& run)
{
ShapeResultBuffer buffer;
float totalWidth = shapeResultsForRun(m_shapeCache, font, run, nullptr,
&buffer);
auto ranges = buffer.individualCharacterRanges(run.direction(), totalWidth);
// The shaper can fail to return glyph metrics for all characters (see
// crbug.com/613915 and crbug.com/615661) so add empty ranges to ensure all
// characters have an associated range.
while (ranges.size() < static_cast<unsigned>(run.length()))
ranges.append(CharacterRange(0, 0));
return ranges;
}
