std::unique_ptr<SVGFilterBuilder> RenderSVGResourceFilter::buildPrimitives(SVGFilter& filter) const
{
static const unsigned maxCountChildNodes = 200;
if (filterElement().countChildNodes() > maxCountChildNodes)
return nullptr;
FloatRect targetBoundingBox = filter.targetBoundingBox();
// Add effects to the builder
auto builder = std::make_unique<SVGFilterBuilder>(SourceGraphic::create(filter));
for (auto& element : childrenOfType<SVGFilterPrimitiveStandardAttributes>(filterElement())) {
RefPtr<FilterEffect> effect = element.build(builder.get(), filter);
if (!effect) {
builder->clearEffects();
return nullptr;
}
builder->appendEffectToEffectReferences(effect.copyRef(), element.renderer());
element.setStandardAttributes(effect.get());
effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilterPrimitiveStandardAttributes>(&element, filterElement().primitiveUnits(), targetBoundingBox));
if (element.renderer())
effect->setOperatingColorSpace(element.renderer()->style().svgStyle().colorInterpolationFilters() == CI_LINEARRGB ? ColorSpaceLinearRGB : ColorSpaceSRGB);
builder->add(element.result(), WTFMove(effect));
}
return builder;
}
std::unique_ptr<SVGFilterBuilder> RenderSVGResourceFilter::buildPrimitives(SVGFilter* filter)
{
FloatRect targetBoundingBox = filter->targetBoundingBox();
// Add effects to the builder
auto builder = std::make_unique<SVGFilterBuilder>(SourceGraphic::create(filter), SourceAlpha::create(filter));
auto children = childrenOfType<SVGFilterPrimitiveStandardAttributes>(filterElement());
for (auto element = children.begin(), end = children.end(); element != end; ++element) {
RefPtr<FilterEffect> effect = element->build(builder.get(), filter);
if (!effect) {
builder->clearEffects();
return nullptr;
}
builder->appendEffectToEffectReferences(effect, element->renderer());
element->setStandardAttributes(effect.get());
effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilterPrimitiveStandardAttributes>(&*element, filterElement().primitiveUnits(), targetBoundingBox));
effect->setOperatingColorSpace(element->renderer()->style()->svgStyle()->colorInterpolationFilters() == CI_LINEARRGB ? ColorSpaceLinearRGB : ColorSpaceDeviceRGB);
builder->add(element->result(), effect.release());
}
return builder;
}