void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
#if PLATFORM(CHROMIUM)
if (preferHarfBuzz(this)) {
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, run);
shaper.setDrawRange(from, to);
if (shaper.shape(&glyphBuffer)) {
drawGlyphBuffer(context, run, glyphBuffer, point);
return;
}
}
#endif
// This glyph buffer holds our glyphs + advances + font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x() + getGlyphsAndAdvancesForComplexText(run, from, to, glyphBuffer);
// We couldn't generate any glyphs for the run. Give up.
if (glyphBuffer.isEmpty())
return;
// Draw the glyph buffer now at the starting point returned in startX.
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, run, glyphBuffer, startPoint);
}
void Font::drawEmphasisMarks(GraphicsContext* context, const TextRun& run, const GlyphBuffer& glyphBuffer, const AtomicString& mark, const FloatPoint& point) const
{
FontCachePurgePreventer purgePreventer;
GlyphData markGlyphData;
if (!getEmphasisMarkGlyphData(mark, markGlyphData))
return;
const SimpleFontData* markFontData = markGlyphData.fontData;
ASSERT(markFontData);
if (!markFontData)
return;
Glyph markGlyph = markGlyphData.glyph;
Glyph spaceGlyph = markFontData->spaceGlyph();
float middleOfLastGlyph = offsetToMiddleOfGlyphAtIndex(glyphBuffer, 0);
FloatPoint startPoint(point.x() + middleOfLastGlyph - offsetToMiddleOfGlyph(markFontData, markGlyph), point.y());
GlyphBuffer markBuffer;
for (int i = 0; i + 1 < glyphBuffer.size(); ++i) {
float middleOfNextGlyph = offsetToMiddleOfGlyphAtIndex(glyphBuffer, i + 1);
float advance = glyphBuffer.advanceAt(i).width() - middleOfLastGlyph + middleOfNextGlyph;
markBuffer.add(glyphBuffer.glyphAt(i) ? markGlyph : spaceGlyph, markFontData, advance);
middleOfLastGlyph = middleOfNextGlyph;
}
markBuffer.add(glyphBuffer.glyphAt(glyphBuffer.size() - 1) ? markGlyph : spaceGlyph, markFontData, 0);
drawGlyphBuffer(context, run, markBuffer, startPoint);
}
void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point,
int from, int to) const
{
// This glyph buffer holds our glyphs + advances + font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x();
CoreTextController controller(this, run);
controller.advance(from);
float beforeWidth = controller.runWidthSoFar();
controller.advance(to, &glyphBuffer);
// We couldn't generate any glyphs for the run. Give up.
if (glyphBuffer.isEmpty())
return;
float afterWidth = controller.runWidthSoFar();
if (run.rtl()) {
startX += controller.totalWidth() + controller.finalRoundingWidth() - afterWidth;
for (int i = 0, end = glyphBuffer.size() - 1; i < glyphBuffer.size() / 2; ++i, --end)
glyphBuffer.swap(i, end);
} else
startX += beforeWidth;
// Draw the glyph buffer now at the starting point returned in startX.
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, glyphBuffer, run, startPoint);
}
void Font::drawSimpleText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
// This glyph buffer holds our glyphs+advances+font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x();
WidthIterator it(this, run);
it.advance(from);
float beforeWidth = it.m_runWidthSoFar;
it.advance(to, &glyphBuffer);
// We couldn't generate any glyphs for the run. Give up.
if (glyphBuffer.isEmpty())
return;
float afterWidth = it.m_runWidthSoFar;
if (run.rtl()) {
float finalRoundingWidth = it.m_finalRoundingWidth;
it.advance(run.length());
startX += finalRoundingWidth + it.m_runWidthSoFar - afterWidth;
} else
startX += beforeWidth;
// Swap the order of the glyphs if right-to-left.
if (run.rtl())
for (int i = 0, end = glyphBuffer.size() - 1; i < glyphBuffer.size() / 2; ++i, --end)
glyphBuffer.swap(i, end);
// Calculate the starting point of the glyphs to be displayed by adding
// all the advances up to the first glyph.
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, glyphBuffer, run, startPoint);
}
void Font::drawComplexText(GraphicsContext* gc, const TextRun& run,
const FloatPoint& point, int from, int to) const
{
if (!run.length())
return;
TextDrawingModeFlags textMode = gc->platformContext()->getTextDrawingMode();
bool fill = textMode & TextModeFill;
bool stroke = (textMode & TextModeStroke)
&& gc->platformContext()->getStrokeStyle() != NoStroke
&& gc->platformContext()->getStrokeThickness() > 0;
if (!fill && !stroke)
return;
SkPaint strokePaint, fillPaint;
if (fill) {
gc->platformContext()->setupPaintForFilling(&fillPaint);
setupForTextPainting(&fillPaint, gc->fillColor().rgb());
}
if (stroke) {
gc->platformContext()->setupPaintForStroking(&strokePaint, 0, 0);
setupForTextPainting(&strokePaint, gc->strokeColor().rgb());
}
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, run);
shaper.setDrawRange(from, to);
if (!shaper.shape(&glyphBuffer))
return;
FloatPoint adjustedPoint = shaper.adjustStartPoint(point);
drawGlyphBuffer(gc, run, glyphBuffer, adjustedPoint);
}
void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
#if OS(WINDOWS)
// This glyph buffer holds our glyphs + advances + font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x();
UniscribeController controller(this, run);
controller.advance(from);
float beforeWidth = controller.runWidthSoFar();
controller.advance(to, &glyphBuffer);
// We couldn't generate any glyphs for the run. Give up.
if (glyphBuffer.isEmpty())
return;
float afterWidth = controller.runWidthSoFar();
if (run.rtl()) {
controller.advance(run.length());
startX += controller.runWidthSoFar() - afterWidth;
} else
startX += beforeWidth;
// Draw the glyph buffer now at the starting point returned in startX.
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, glyphBuffer, run, startPoint);
#else
notImplemented();
#endif
}
void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int, int) const
{
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, run);
if (shaper.shape(&glyphBuffer))
drawGlyphBuffer(context, run, glyphBuffer, point);
else
LOG_ERROR("Shaper couldn't shape glyphBuffer.");
}
void Font::drawSimpleText(GraphicsContext* context, const TextRunPaintInfo& runInfo, const FloatPoint& point) const
{
// This glyph buffer holds our glyphs+advances+font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x() + getGlyphsAndAdvancesForSimpleText(runInfo.run, runInfo.from, runInfo.to, glyphBuffer);
if (glyphBuffer.isEmpty())
return;
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, runInfo, glyphBuffer, startPoint);
}
float Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int, int) const
{
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, run);
if (shaper.shape(&glyphBuffer)) {
FloatPoint startPoint = point;
float startX = startPoint.x();
drawGlyphBuffer(context, run, glyphBuffer, startPoint);
return startPoint.x() - startX;
}
LOG_ERROR("Shaper couldn't shape glyphBuffer.");
return 0;
}
void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
if (!run.length())
return;
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, run);
shaper.setDrawRange(from, to);
if (!shaper.shape(&glyphBuffer))
return;
FloatPoint adjustedPoint = shaper.adjustStartPoint(point);
drawGlyphBuffer(context, run, glyphBuffer, adjustedPoint);
}
float Font::drawSimpleText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
// This glyph buffer holds our glyphs+advances+font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x() + getGlyphsAndAdvancesForSimpleText(run, from, to, glyphBuffer);
if (glyphBuffer.isEmpty())
return 0;
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, run, glyphBuffer, startPoint);
return startPoint.x() - startX;
}
void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
// This glyph buffer holds our glyphs + advances + font data for each glyph.
GlyphBuffer glyphBuffer;
float startX = point.x() + getGlyphsAndAdvancesForComplexText(run, from, to, glyphBuffer);
// We couldn't generate any glyphs for the run. Give up.
if (glyphBuffer.isEmpty())
return;
// Draw the glyph buffer now at the starting point returned in startX.
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, glyphBuffer, startPoint);
}
void Font::drawComplexText(GraphicsContext* gc, const TextRunPaintInfo& runInfo, const FloatPoint& point) const
{
if (!runInfo.run.length())
return;
TextDrawingModeFlags textMode = gc->textDrawingMode();
bool fill = textMode & TextModeFill;
bool stroke = (textMode & TextModeStroke) && gc->hasStroke();
if (!fill && !stroke)
return;
GlyphBuffer glyphBuffer;
HarfBuzzShaper shaper(this, runInfo.run);
shaper.setDrawRange(runInfo.from, runInfo.to);
if (!shaper.shape(&glyphBuffer) || glyphBuffer.isEmpty())
return;
FloatPoint adjustedPoint = shaper.adjustStartPoint(point);
drawGlyphBuffer(gc, runInfo, glyphBuffer, adjustedPoint);
}
void Font::drawSimpleText(GraphicsContext* context, const TextRun& run, const FloatPoint& point, int from, int to) const
{
// This glyph buffer holds our glyphs+advances+font data for each glyph.
GlyphBuffer glyphBuffer;
//SAMSUNG CHANGES>>
//if Point has high negative value, SKIA is not handling, so handle here
WidthIterator it(this, run, 0, false, 0);
it.advance(from);
float Width = it.m_runWidthSoFar;
if(point.x() + Width < -9999)
return;
//SAMSUNG CHANGES<<
float startX = point.x() + getGlyphsAndAdvancesForSimpleText(run, from, to, glyphBuffer);
if (glyphBuffer.isEmpty())
return;
FloatPoint startPoint(startX, point.y());
drawGlyphBuffer(context, glyphBuffer, startPoint);
}
