FloatSize SVGSVGElement::currentViewportSize() const
{
if (hasIntrinsicWidth() && hasIntrinsicHeight())
return FloatSize(floatValueForLength(intrinsicWidth(), 0), floatValueForLength(intrinsicHeight(), 0));
if (!renderer())
return { };
if (is<RenderSVGRoot>(*renderer())) {
auto& root = downcast<RenderSVGRoot>(*renderer());
return root.contentBoxRect().size() / root.style().effectiveZoom();
}
return downcast<RenderSVGViewportContainer>(*renderer()).viewport().size();
}
FloatRect SVGSVGElement::currentViewBoxRect() const
{
if (m_useCurrentView)
return m_viewSpec ? m_viewSpec->viewBox()->currentValue()->value() : FloatRect();
FloatRect useViewBox = viewBox()->currentValue()->value();
if (!useViewBox.isEmpty())
return useViewBox;
if (!layoutObject() || !layoutObject()->isSVGRoot())
return FloatRect();
if (!toLayoutSVGRoot(layoutObject())->isEmbeddedThroughSVGImage())
return FloatRect();
// If no viewBox is specified but non-relative width/height values, then we
// should always synthesize a viewBox if we're embedded through a SVGImage.
return FloatRect(FloatPoint(), FloatSize(floatValueForLength(intrinsicWidth(), 0), floatValueForLength(intrinsicHeight(), 0)));
}
FloatRect SVGSVGElement::currentViewBoxRect() const {
if (m_viewSpec)
return m_viewSpec->viewBox()->value();
FloatRect useViewBox = viewBox()->currentValue()->value();
if (!useViewBox.isEmpty())
return useViewBox;
if (!shouldSynthesizeViewBox())
return FloatRect();
// If no viewBox is specified but non-relative width/height values, then we
// should always synthesize a viewBox if we're embedded through a SVGImage.
FloatSize synthesizedViewBoxSize(intrinsicWidth(), intrinsicHeight());
if (!hasIntrinsicWidth())
synthesizedViewBoxSize.setWidth(width()->currentValue()->scaleByPercentage(
currentViewportSize().width()));
if (!hasIntrinsicHeight())
synthesizedViewBoxSize.setHeight(
height()->currentValue()->scaleByPercentage(
currentViewportSize().height()));
return FloatRect(FloatPoint(), synthesizedViewBoxSize);
}
