void WebFontImpl::drawText(WebCanvas* canvas, const WebTextRun& run, const WebFloatPoint& leftBaseline,
WebColor color, const WebRect& clip, bool canvasIsOpaque,
int from, int to) const
{
FontCachePurgePreventer fontCachePurgePreventer;
FloatRect textClipRect(clip);
TextRun textRun(run);
TextRunPaintInfo runInfo(textRun);
runInfo.from = from;
runInfo.to = to == -1 ? textRun.length() : to;
runInfo.bounds = textClipRect;
GraphicsContext gc(canvas, nullptr);
gc.save();
gc.setCertainlyOpaque(canvasIsOpaque);
gc.setFillColor(color);
gc.clip(textClipRect);
m_font.drawText(&gc, runInfo, leftBaseline);
gc.restore();
}
void WebFontImpl::drawText(WebCanvas* canvas, const WebTextRun& run, const WebFloatPoint& leftBaseline,
WebColor color, const WebRect& clip, bool canvasIsOpaque,
int from, int to) const
{
FontCachePurgePreventer fontCachePurgePreventer;
WebCore::FloatRect textClipRect(clip);
TextRun textRun(run);
TextRunPaintInfo runInfo(textRun);
runInfo.from = from;
runInfo.to = to == -1 ? textRun.length() : to;
runInfo.bounds = textClipRect;
GraphicsContext gc(canvas);
gc.save();
gc.setCertainlyOpaque(canvasIsOpaque);
gc.setFillColor(color);
gc.clip(textClipRect);
m_font.drawText(&gc, runInfo, leftBaseline);
gc.restore();
#if defined(WIN32)
if (canvasIsOpaque && SkColorGetA(color) == 0xFF && !canvas->isDrawingToLayer()) {
// The text drawing logic on Windows ignores the alpha component
// intentionally, for performance reasons.
// (Please see TransparencyAwareFontPainter::initializeForGDI in
// FontChromiumWin.cpp.)
const SkBitmap& bitmap = canvas->getTopDevice()->accessBitmap(true);
IntRect textBounds = estimateTextBounds(run, leftBaseline);
IntRect destRect = gc.getCTM().mapRect(textBounds);
destRect.intersect(IntRect(0, 0, bitmap.width(), bitmap.height()));
for (int y = destRect.y(), maxY = destRect.maxY(); y < maxY; y++) {
uint32_t* row = bitmap.getAddr32(0, y);
for (int x = destRect.x(), maxX = destRect.maxX(); x < maxX; x++)
row[x] |= (0xFF << SK_A32_SHIFT);
}
}
#endif
}
void WebFont::drawText(WebCanvas* canvas, const WebTextRun& run,
const WebFloatPoint& leftBaseline, WebColor color, const WebRect& clip) const
{
FontCachePurgePreventer fontCachePurgePreventer;
FloatRect textClipRect(clip);
TextRun textRun(run);
TextRunPaintInfo runInfo(textRun);
runInfo.bounds = textClipRect;
IntRect intRect(clip);
SkPictureBuilder pictureBuilder(intRect);
GraphicsContext& context = pictureBuilder.context();
{
DrawingRecorder drawingRecorder(context, pictureBuilder, DisplayItem::WebFont, intRect);
context.save();
context.setFillColor(color);
context.clip(textClipRect);
context.drawText(m_private->getFont(), runInfo, leftBaseline);
context.restore();
}
pictureBuilder.endRecording()->playback(canvas);
}
