static void setGradientAttributes(SVGGradientElement* element, LinearGradientAttributes& attributes, bool isLinear = true)
{
if (!attributes.hasSpreadMethod() && element->spreadMethod()->isSpecified())
attributes.setSpreadMethod(element->spreadMethod()->currentValue()->enumValue());
if (!attributes.hasGradientUnits() && element->gradientUnits()->isSpecified())
attributes.setGradientUnits(element->gradientUnits()->currentValue()->enumValue());
if (!attributes.hasGradientTransform() && element->gradientTransform()->isSpecified()) {
AffineTransform transform;
element->gradientTransform()->currentValue()->concatenate(transform);
attributes.setGradientTransform(transform);
}
if (!attributes.hasStops()) {
const Vector<Gradient::ColorStop>& stops(element->buildStops());
if (!stops.isEmpty())
attributes.setStops(stops);
}
if (isLinear) {
SVGLinearGradientElement* linear = toSVGLinearGradientElement(element);
if (!attributes.hasX1() && linear->x1()->isSpecified())
attributes.setX1(linear->x1()->currentValue());
if (!attributes.hasY1() && linear->y1()->isSpecified())
attributes.setY1(linear->y1()->currentValue());
if (!attributes.hasX2() && linear->x2()->isSpecified())
attributes.setX2(linear->x2()->currentValue());
if (!attributes.hasY2() && linear->y2()->isSpecified())
attributes.setY2(linear->y2()->currentValue());
}
}
void writeSVGResourceContainer(TextStream& ts, const RenderObject& object, int indent)
{
writeStandardPrefix(ts, object, indent);
Element* element = toElement(object.node());
const AtomicString& id = element->getIdAttribute();
writeNameAndQuotedValue(ts, "id", id);
RenderSVGResourceContainer* resource = const_cast<RenderObject&>(object).toRenderSVGResourceContainer();
ASSERT(resource);
if (resource->resourceType() == MaskerResourceType) {
RenderSVGResourceMasker* masker = toRenderSVGResourceMasker(resource);
writeNameValuePair(ts, "maskUnits", masker->maskUnits());
writeNameValuePair(ts, "maskContentUnits", masker->maskContentUnits());
ts << "\n";
} else if (resource->resourceType() == FilterResourceType) {
RenderSVGResourceFilter* filter = toRenderSVGResourceFilter(resource);
writeNameValuePair(ts, "filterUnits", filter->filterUnits());
writeNameValuePair(ts, "primitiveUnits", filter->primitiveUnits());
ts << "\n";
// Creating a placeholder filter which is passed to the builder.
FloatRect dummyRect;
RefPtr<SVGFilter> dummyFilter = SVGFilter::create(AffineTransform(), dummyRect, dummyRect, dummyRect, true);
if (RefPtr<SVGFilterBuilder> builder = filter->buildPrimitives(dummyFilter.get())) {
if (FilterEffect* lastEffect = builder->lastEffect())
lastEffect->externalRepresentation(ts, indent + 1);
}
} else if (resource->resourceType() == ClipperResourceType) {
writeNameValuePair(ts, "clipPathUnits", toRenderSVGResourceClipper(resource)->clipPathUnits());
ts << "\n";
} else if (resource->resourceType() == MarkerResourceType) {
RenderSVGResourceMarker* marker = toRenderSVGResourceMarker(resource);
writeNameValuePair(ts, "markerUnits", marker->markerUnits());
ts << " [ref at " << marker->referencePoint() << "]";
ts << " [angle=";
if (marker->angle() == -1)
ts << "auto" << "]\n";
else
ts << marker->angle() << "]\n";
} else if (resource->resourceType() == PatternResourceType) {
RenderSVGResourcePattern* pattern = static_cast<RenderSVGResourcePattern*>(resource);
// Dump final results that are used for rendering. No use in asking SVGPatternElement for its patternUnits(), as it may
// link to other patterns using xlink:href, we need to build the full inheritance chain, aka. collectPatternProperties()
PatternAttributes attributes;
toSVGPatternElement(pattern->element())->collectPatternAttributes(attributes);
writeNameValuePair(ts, "patternUnits", attributes.patternUnits());
writeNameValuePair(ts, "patternContentUnits", attributes.patternContentUnits());
AffineTransform transform = attributes.patternTransform();
if (!transform.isIdentity())
ts << " [patternTransform=" << transform << "]";
ts << "\n";
} else if (resource->resourceType() == LinearGradientResourceType) {
RenderSVGResourceLinearGradient* gradient = static_cast<RenderSVGResourceLinearGradient*>(resource);
// Dump final results that are used for rendering. No use in asking SVGGradientElement for its gradientUnits(), as it may
// link to other gradients using xlink:href, we need to build the full inheritance chain, aka. collectGradientProperties()
LinearGradientAttributes attributes;
toSVGLinearGradientElement(gradient->element())->collectGradientAttributes(attributes);
writeCommonGradientProperties(ts, attributes.spreadMethod(), attributes.gradientTransform(), attributes.gradientUnits());
ts << " [start=" << gradient->startPoint(attributes) << "] [end=" << gradient->endPoint(attributes) << "]\n";
} else if (resource->resourceType() == RadialGradientResourceType) {
RenderSVGResourceRadialGradient* gradient = toRenderSVGResourceRadialGradient(resource);
// Dump final results that are used for rendering. No use in asking SVGGradientElement for its gradientUnits(), as it may
// link to other gradients using xlink:href, we need to build the full inheritance chain, aka. collectGradientProperties()
RadialGradientAttributes attributes;
toSVGRadialGradientElement(gradient->element())->collectGradientAttributes(attributes);
writeCommonGradientProperties(ts, attributes.spreadMethod(), attributes.gradientTransform(), attributes.gradientUnits());
FloatPoint focalPoint = gradient->focalPoint(attributes);
FloatPoint centerPoint = gradient->centerPoint(attributes);
float radius = gradient->radius(attributes);
float focalRadius = gradient->focalRadius(attributes);
ts << " [center=" << centerPoint << "] [focal=" << focalPoint << "] [radius=" << radius << "] [focalRadius=" << focalRadius << "]\n";
} else
ts << "\n";
writeChildren(ts, object, indent);
}
bool LayoutSVGResourceLinearGradient::collectGradientAttributes(SVGGradientElement* gradientElement)
{
m_attributesWrapper->set(LinearGradientAttributes());
return toSVGLinearGradientElement(gradientElement)->collectGradientAttributes(mutableAttributes());
}
