void RenderSVGPath::fillAndStrokePath(GraphicsContext* context)
{
RenderStyle* style = this->style();
Color fallbackColor;
if (RenderSVGResource* fillPaintingResource = RenderSVGResource::fillPaintingResource(this, style, fallbackColor)) {
if (fillPaintingResource->applyResource(this, style, context, ApplyToFillMode))
fillPaintingResource->postApplyResource(this, context, ApplyToFillMode, &m_path);
else if (fallbackColor.isValid()) {
RenderSVGResourceSolidColor* fallbackResource = RenderSVGResource::sharedSolidPaintingResource();
fallbackResource->setColor(fallbackColor);
if (fallbackResource->applyResource(this, style, context, ApplyToFillMode))
fallbackResource->postApplyResource(this, context, ApplyToFillMode, &m_path);
}
}
fallbackColor = Color();
RenderSVGResource* strokePaintingResource = RenderSVGResource::strokePaintingResource(this, style, fallbackColor);
if (!strokePaintingResource)
return;
Path path;
bool nonScalingStroke = style->svgStyle()->vectorEffect() == VE_NON_SCALING_STROKE;
GraphicsContextStateSaver stateSaver(*context, false);
if (nonScalingStroke) {
SVGStyledTransformableElement* element = static_cast<SVGStyledTransformableElement*>(node());
AffineTransform nonScalingStrokeTransform = element->getScreenCTM(SVGLocatable::DisallowStyleUpdate);
if (!nonScalingStrokeTransform.isInvertible())
return;
path = m_path;
path.transform(nonScalingStrokeTransform);
stateSaver.save();
context->concatCTM(nonScalingStrokeTransform.inverse());
}
if (strokePaintingResource->applyResource(this, style, context, ApplyToStrokeMode))
strokePaintingResource->postApplyResource(this, context, ApplyToStrokeMode, nonScalingStroke ? &path : &m_path);
else if (fallbackColor.isValid()) {
RenderSVGResourceSolidColor* fallbackResource = RenderSVGResource::sharedSolidPaintingResource();
fallbackResource->setColor(fallbackColor);
if (fallbackResource->applyResource(this, style, context, ApplyToStrokeMode))
fallbackResource->postApplyResource(this, context, ApplyToStrokeMode, nonScalingStroke ? &path : &m_path);
}
}
void RenderPath::fillAndStrokePath(GraphicsContext* context)
{
context->beginPath();
RenderStyle* style = this->style();
if (RenderSVGResource* fillPaintingResource = RenderSVGResource::fillPaintingResource(this, style)) {
context->addPath(m_path);
if (fillPaintingResource->applyResource(this, style, context, ApplyToFillMode))
fillPaintingResource->postApplyResource(this, context, ApplyToFillMode);
}
RenderSVGResource* strokePaintingResource = RenderSVGResource::strokePaintingResource(this, style);
if (!strokePaintingResource)
return;
bool restoreContext = false;
if (style->svgStyle()->vectorEffect() == VE_NON_SCALING_STROKE) {
SVGStyledTransformableElement* element = static_cast<SVGStyledTransformableElement*>(node());
AffineTransform nonScalingStrokeTransform = element->getScreenCTM(SVGLocatable::DisallowStyleUpdate);
if (!nonScalingStrokeTransform.isInvertible())
return;
Path transformedPath = m_path;
transformedPath.transform(nonScalingStrokeTransform);
context->save();
context->concatCTM(nonScalingStrokeTransform.inverse());
context->addPath(transformedPath);
restoreContext = true;
} else
context->addPath(m_path);
if (strokePaintingResource->applyResource(this, style, context, ApplyToStrokeMode))
strokePaintingResource->postApplyResource(this, context, ApplyToStrokeMode);
if (restoreContext)
context->restore();
}
void SVGTextRunRenderingContext::drawSVGGlyphs(GraphicsContext* context, const TextRun& run, 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;
// We can only paint SVGFonts if a context is available.
RenderSVGResource* activePaintingResource = activePaintingResourceFromRun(run);
RenderObject* renderObject = renderObjectFromRun(run);
RenderObject* parentRenderObject = firstParentRendererForNonTextNode(renderObject);
RenderStyle* parentRenderObjectStyle = 0;
ASSERT(renderObject);
if (!activePaintingResource) {
// TODO: We're only supporting simple filled HTML text so far.
RenderSVGResourceSolidColor* solidPaintingResource = RenderSVGResource::sharedSolidPaintingResource();
solidPaintingResource->setColor(context->fillColor());
activePaintingResource = solidPaintingResource;
}
bool isVerticalText = false;
if (parentRenderObject) {
parentRenderObjectStyle = parentRenderObject->style();
ASSERT(parentRenderObjectStyle);
isVerticalText = parentRenderObjectStyle->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);
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;
}
context->save();
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(parentRenderObject, parentRenderObjectStyle, context, resourceMode)) {
if (renderObject && renderObject->isSVGInlineText()) {
const RenderSVGInlineText* textRenderer = toRenderSVGInlineText(renderObject);
context->setStrokeThickness(context->strokeThickness() * textRenderer->scalingFactor());
}
activePaintingResource->postApplyResource(parentRenderObject, context, resourceMode, &glyphPath, 0);
}
context->restore();
if (isVerticalText)
currentPoint.move(0, advance);
else
currentPoint.move(advance, 0);
}
}