void SVGTextRunRenderingContext::drawSVGGlyphs(GraphicsContext* context, const SimpleFontData* fontData, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const
{
auto activePaintingResource = this->activePaintingResource();
if (!activePaintingResource) {
// TODO: We're only supporting simple filled HTML text so far.
RenderSVGResourceSolidColor* solidPaintingResource = RenderSVGResource::sharedSolidPaintingResource();
solidPaintingResource->setColor(context->fillColor());
activePaintingResource = solidPaintingResource;
}
auto& elementRenderer = renderer().isRenderElement() ? toRenderElement(renderer()) : *renderer().parent();
RenderStyle& style = elementRenderer.style();
ASSERT(activePaintingResource);
RenderSVGResourceMode resourceMode = context->textDrawingMode() == TextModeStroke ? ApplyToStrokeMode : ApplyToFillMode;
auto translator(createGlyphToPathTranslator(*fontData, glyphBuffer, from, numGlyphs, point));
while (translator->containsMorePaths()) {
Path glyphPath = translator->nextPath();
if (activePaintingResource->applyResource(elementRenderer, style, context, resourceMode)) {
float strokeThickness = context->strokeThickness();
if (renderer().isSVGInlineText())
context->setStrokeThickness(strokeThickness * toRenderSVGInlineText(renderer()).scalingFactor());
activePaintingResource->postApplyResource(elementRenderer, context, resourceMode, &glyphPath, 0);
context->setStrokeThickness(strokeThickness);
}
}
}
void SVGTextRunRenderingContext::drawSVGGlyphs(GraphicsContext* context, const SimpleFontData* fontData, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) const
{
SVGFontElement* fontElement = 0;
SVGFontFaceElement* fontFaceElement = 0;
const SVGFontData* svgFontData = svgFontAndFontFaceElementForFontData(fontData, fontFaceElement, fontElement);
if (!fontElement || !fontFaceElement)
return;
auto activePaintingResource = this->activePaintingResource();
if (!activePaintingResource) {
// TODO: We're only supporting simple filled HTML text so far.
RenderSVGResourceSolidColor* solidPaintingResource = RenderSVGResource::sharedSolidPaintingResource();
solidPaintingResource->setColor(context->fillColor());
activePaintingResource = solidPaintingResource;
}
auto& elementRenderer = renderer().isRenderElement() ? toRenderElement(renderer()) : *renderer().parent();
RenderStyle& style = *elementRenderer.style();
bool isVerticalText = style.svgStyle()->isVerticalWritingMode();
float scale = scaleEmToUnits(fontData->platformData().size(), fontFaceElement->unitsPerEm());
ASSERT(activePaintingResource);
FloatPoint glyphOrigin;
glyphOrigin.setX(svgFontData->horizontalOriginX() * scale);
glyphOrigin.setY(svgFontData->horizontalOriginY() * scale);
FloatPoint currentPoint = point;
RenderSVGResourceMode resourceMode = context->textDrawingMode() == TextModeStroke ? ApplyToStrokeMode : ApplyToFillMode;
for (int i = 0; i < numGlyphs; ++i) {
Glyph glyph = glyphBuffer.glyphAt(from + i);
if (!glyph)
continue;
float advance = glyphBuffer.advanceAt(from + i).width();
SVGGlyph svgGlyph = fontElement->svgGlyphForGlyph(glyph);
ASSERT(!svgGlyph.isPartOfLigature);
ASSERT(svgGlyph.tableEntry == glyph);
SVGGlyphElement::inheritUnspecifiedAttributes(svgGlyph, svgFontData);
// FIXME: Support arbitary SVG content as glyph (currently limited to <glyph d="..."> situations).
if (svgGlyph.pathData.isEmpty()) {
if (isVerticalText)
currentPoint.move(0, advance);
else
currentPoint.move(advance, 0);
continue;
}
if (isVerticalText) {
glyphOrigin.setX(svgGlyph.verticalOriginX * scale);
glyphOrigin.setY(svgGlyph.verticalOriginY * scale);
}
AffineTransform glyphPathTransform;
glyphPathTransform.translate(currentPoint.x() + glyphOrigin.x(), currentPoint.y() + glyphOrigin.y());
glyphPathTransform.scale(scale, -scale);
Path glyphPath = svgGlyph.pathData;
glyphPath.transform(glyphPathTransform);
if (activePaintingResource->applyResource(elementRenderer, &style, context, resourceMode)) {
float strokeThickness = context->strokeThickness();
if (renderer().isSVGInlineText())
context->setStrokeThickness(strokeThickness * toRenderSVGInlineText(renderer()).scalingFactor());
activePaintingResource->postApplyResource(elementRenderer, context, resourceMode, &glyphPath, 0);
context->setStrokeThickness(strokeThickness);
}
if (isVerticalText)
currentPoint.move(0, advance);
else
currentPoint.move(advance, 0);
}
}
