static v8::Handle<v8::Value> getPresentationAttributeCallback(const v8::Arguments& args)
{
INC_STATS("DOM.SVGStopElement.getPresentationAttribute");
SVGStopElement* imp = V8SVGStopElement::toNative(args.Holder());
STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, name, args[0]);
return toV8(imp->getPresentationAttribute(name));
}
Vector<Gradient::ColorStop> SVGGradientElement::buildStops()
{
Vector<Gradient::ColorStop> stops;
float previousOffset = 0.0f;
for (Node* n = firstChild(); n; n = n->nextSibling()) {
SVGElement* element = n->isSVGElement() ? static_cast<SVGElement*>(n) : 0;
if (!element || !element->isGradientStop())
continue;
SVGStopElement* stop = static_cast<SVGStopElement*>(element);
Color color = stop->stopColorIncludingOpacity();
// Figure out right monotonic offset
float offset = stop->offset();
offset = std::min(std::max(previousOffset, offset), 1.0f);
previousOffset = offset;
// Extract individual channel values
// FIXME: Why doesn't ColorStop take a Color and an offset??
float r, g, b, a;
color.getRGBA(r, g, b, a);
stops.append(Gradient::ColorStop(offset, r, g, b, a));
}
return stops;
}
void
nsSVGGradientFrame::GetStopInformation(int32_t aIndex,
float *aOffset,
nscolor *aStopColor,
float *aStopOpacity)
{
*aOffset = 0.0f;
*aStopColor = NS_RGBA(0, 0, 0, 0);
*aStopOpacity = 1.0f;
nsIFrame *stopFrame = nullptr;
GetStopFrame(aIndex, &stopFrame);
nsIContent* stopContent = stopFrame->GetContent();
if (stopContent) {
MOZ_ASSERT(stopContent->IsSVG(nsGkAtoms::stop));
SVGStopElement* stopElement = nullptr;
stopElement = static_cast<SVGStopElement*>(stopContent);
nsCOMPtr<nsIDOMSVGAnimatedNumber> aNum = stopElement->Offset();
aNum->GetAnimVal(aOffset);
if (*aOffset < 0.0f)
*aOffset = 0.0f;
else if (*aOffset > 1.0f)
*aOffset = 1.0f;
}
*aStopColor = stopFrame->GetStyleSVGReset()->mStopColor;
*aStopOpacity = stopFrame->GetStyleSVGReset()->mStopOpacity;
}
static v8::Handle<v8::Value> classNameAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.SVGStopElement.className._get");
SVGStopElement* imp = V8SVGStopElement::toNative(info.Holder());
SVGElement* context = imp;
PassRefPtr<SVGAnimatedString> resultAsPassRefPtr = V8Proxy::withSVGContext(imp->classNameAnimated(), context);
return toV8(resultAsPassRefPtr);
}
void writeSVGGradientStop(TextStream& ts, const RenderSVGGradientStop& stop, int indent)
{
writeStandardPrefix(ts, stop, indent);
SVGStopElement* stopElement = toSVGStopElement(toSVGElement(stop.element()));
ASSERT(stopElement);
ts << " [offset=" << stopElement->offset() << "] [color=" << stopElement->stopColorIncludingOpacity() << "]\n";
}
void writeSVGGradientStop(TextStream& ts, const LayoutSVGGradientStop& stop, int indent)
{
writeStandardPrefix(ts, stop, indent);
SVGStopElement* stopElement = toSVGStopElement(stop.node());
ASSERT(stopElement);
ASSERT(stop.style());
ts << " [offset=" << stopElement->offset()->currentValue()->value() << "] [color=" << stopElement->stopColorIncludingOpacity() << "]\n";
}
void writeSVGGradientStop(TextStream& ts, const RenderSVGGradientStop& stop, int indent)
{
writeStandardPrefix(ts, stop, indent);
SVGStopElement* stopElement = toSVGStopElement(stop.node());
ASSERT(stopElement);
RenderStyle* style = stop.style();
if (!style)
return;
ts << " [offset=" << stopElement->offsetCurrentValue() << "] [color=" << stopElement->stopColorIncludingOpacity() << "]\n";
}
Vector<SVGGradientStop> SVGGradientElement::buildStops() const
{
Vector<SVGGradientStop> stops;
RenderStyle* gradientStyle = 0;
for (Node* n = firstChild(); n; n = n->nextSibling()) {
SVGElement* element = n->isSVGElement() ? static_cast<SVGElement*>(n) : 0;
if (element && element->isGradientStop()) {
SVGStopElement* stop = static_cast<SVGStopElement*>(element);
float stopOffset = stop->offset();
Color color;
float opacity;
if (stop->renderer()) {
RenderStyle* stopStyle = stop->renderer()->style();
color = stopStyle->svgStyle()->stopColor();
opacity = stopStyle->svgStyle()->stopOpacity();
} else {
// If there is no renderer for this stop element, then a parent element
// set display="none" - ie. <g display="none"><linearGradient><stop>..
// Unfortunately we have to manually rebuild the stop style. See pservers-grad-19-b.svg
if (!gradientStyle)
gradientStyle = const_cast<SVGGradientElement*>(this)->styleForRenderer(parent()->renderer());
RenderStyle* stopStyle = stop->resolveStyle(gradientStyle);
color = stopStyle->svgStyle()->stopColor();
opacity = stopStyle->svgStyle()->stopOpacity();
stopStyle->deref(document()->renderArena());
}
stops.append(makeGradientStop(stopOffset, makeRGBA(color.red(), color.green(), color.blue(), int(opacity * 255.))));
}
}
if (gradientStyle)
gradientStyle->deref(document()->renderArena());
return stops;
}
void SVGGradientElement::rebuildStops() const
{
if (m_resource && !ownerDocument()->parsing()) {
Vector<KCGradientStop> stops;
// FIXME: Manual style resolution is a hack
RenderStyle* gradientStyle = const_cast<SVGGradientElement*>(this)->styleForRenderer(parent()->renderer());
for (Node *n = firstChild(); n; n = n->nextSibling()) {
SVGElement *element = svg_dynamic_cast(n);
if (element && element->isGradientStop()) {
SVGStopElement *stop = static_cast<SVGStopElement *>(element);
float stopOffset = stop->offset()->baseVal();
RenderStyle *stopStyle = document()->styleSelector()->styleForElement(stop, gradientStyle);
Color c = stopStyle->svgStyle()->stopColor();
float opacity = stopStyle->svgStyle()->stopOpacity();
stops.append(makeGradientStop(stopOffset, makeRGBA(c.red(), c.green(), c.blue(), int(opacity * 255.))));
stopStyle->deref(view()->renderArena());
}
}
gradientStyle->deref(view()->renderArena());
m_resource->setGradientStops(stops);
}
}
JSValue* JSSVGStopElement::getValueProperty(ExecState* exec, int token) const
{
switch (token) {
case OffsetAttrNum: {
SVGStopElement* imp = static_cast<SVGStopElement*>(impl());
ASSERT(exec && exec->dynamicInterpreter());
RefPtr<SVGAnimatedNumber> obj = imp->offsetAnimated();
Frame* activeFrame = static_cast<ScriptInterpreter*>(exec->dynamicInterpreter())->frame();
if (activeFrame) {
SVGDocumentExtensions* extensions = (activeFrame->document() ? activeFrame->document()->accessSVGExtensions() : 0);
if (extensions) {
if (extensions->hasGenericContext<SVGAnimatedNumber>(obj.get()))
ASSERT(extensions->genericContext<SVGAnimatedNumber>(obj.get()) == imp);
else
extensions->setGenericContext<SVGAnimatedNumber>(obj.get(), imp);
}
}
return toJS(exec, obj.get());
}
case ClassNameAttrNum: {
SVGStopElement* imp = static_cast<SVGStopElement*>(impl());
ASSERT(exec && exec->dynamicInterpreter());
RefPtr<SVGAnimatedString> obj = imp->classNameAnimated();
Frame* activeFrame = static_cast<ScriptInterpreter*>(exec->dynamicInterpreter())->frame();
if (activeFrame) {
SVGDocumentExtensions* extensions = (activeFrame->document() ? activeFrame->document()->accessSVGExtensions() : 0);
if (extensions) {
if (extensions->hasGenericContext<SVGAnimatedString>(obj.get()))
ASSERT(extensions->genericContext<SVGAnimatedString>(obj.get()) == imp);
else
extensions->setGenericContext<SVGAnimatedString>(obj.get(), imp);
}
}
return toJS(exec, obj.get());
}
case StyleAttrNum: {
SVGStopElement* imp = static_cast<SVGStopElement*>(impl());
return toJS(exec, WTF::getPtr(imp->style()));
}
}
return 0;
}
static v8::Handle<v8::Value> styleAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.SVGStopElement.style._get");
SVGStopElement* imp = V8SVGStopElement::toNative(info.Holder());
return toV8(imp->style());
}
