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 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 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";
}
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";
}