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* gc, const TextRun& run,
const FloatPoint& point, int from, int to) const
{
if (!run.length())
return;
SkCanvas* canvas = gc->platformContext()->canvas();
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());
}
ComplexTextController controller(run, point.x(), point.y(), this);
controller.setWordSpacingAdjustment(wordSpacing());
controller.setLetterSpacingAdjustment(letterSpacing());
controller.setPadding(run.expansion());
if (run.rtl()) {
// FIXME: this causes us to shape the text twice -- once to compute the width and then again
// below when actually rendering. Change ComplexTextController to match platform/mac and
// platform/chromium/win by having it store the shaped runs, so we can reuse the results.
controller.reset(point.x() + controller.widthOfFullRun());
// We need to set the padding again because ComplexTextController layout consumed the value.
// Fixing the above problem would help here too.
controller.setPadding(run.expansion());
}
while (controller.nextScriptRun()) {
if (fill) {
controller.fontPlatformDataForScriptRun()->setupPaint(&fillPaint);
adjustTextRenderMode(&fillPaint, gc->platformContext());
canvas->drawPosText(controller.glyphs(), controller.length() << 1, controller.positions(), fillPaint);
}
if (stroke) {
controller.fontPlatformDataForScriptRun()->setupPaint(&strokePaint);
adjustTextRenderMode(&strokePaint, gc->platformContext());
canvas->drawPosText(controller.glyphs(), controller.length() << 1, controller.positions(), strokePaint);
}
}
}
void Font::drawComplexText(GraphicsContext* gc, const TextRun& run,
const FloatPoint& point, int from, int to) const
{
if (!run.length())
return;
SkCanvas* canvas = gc->platformContext()->canvas();
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());
}
ComplexTextController controller(this, run, point.x(), point.y());
if (run.rtl())
controller.setupForRTL();
while (controller.nextScriptRun()) {
// Check if there is any glyph found in the current script run.
int fromGlyph, glyphLength;
controller.glyphsForRange(from, to, fromGlyph, glyphLength);
if (fromGlyph < 0 || glyphLength <= 0)
continue;
if (fill) {
controller.fontPlatformDataForScriptRun()->setupPaint(&fillPaint);
adjustTextRenderMode(&fillPaint, gc->platformContext());
canvas->drawPosText(controller.glyphs() + fromGlyph, glyphLength << 1, controller.positions() + fromGlyph, fillPaint);
}
if (stroke) {
controller.fontPlatformDataForScriptRun()->setupPaint(&strokePaint);
adjustTextRenderMode(&strokePaint, gc->platformContext());
canvas->drawPosText(controller.glyphs() + fromGlyph, glyphLength << 1, controller.positions() + fromGlyph, strokePaint);
}
}
}
void Font::drawComplexText(GraphicsContext* gc, const TextRun& run,
const FloatPoint& point, int from, int to) const
{
if (!run.length())
return;
SkCanvas* canvas = gc->platformContext()->canvas();
int textMode = gc->platformContext()->getTextDrawingMode();
bool fill = textMode & cTextFill;
bool stroke = (textMode & cTextStroke)
&& 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());
}
TextRunWalker walker(run, point.x(), this);
walker.setWordSpacingAdjustment(wordSpacing());
walker.setLetterSpacingAdjustment(letterSpacing());
walker.setPadding(run.padding());
while (walker.nextScriptRun()) {
if (fill) {
walker.fontPlatformDataForScriptRun()->setupPaint(&fillPaint);
adjustTextRenderMode(&fillPaint, gc->platformContext());
canvas->drawPosTextH(walker.glyphs(), walker.length() << 1, walker.xPositions(), point.y(), fillPaint);
}
if (stroke) {
walker.fontPlatformDataForScriptRun()->setupPaint(&strokePaint);
adjustTextRenderMode(&strokePaint, gc->platformContext());
canvas->drawPosTextH(walker.glyphs(), walker.length() << 1, walker.xPositions(), point.y(), strokePaint);
}
}
}
