LayoutUnit RenderSVGRoot::computeReplacedLogicalHeight() const
{
// When we're embedded through SVGImage (border-image/background-image/<html:img>/...) we're forced to resize to a specific size.
if (!m_containerSize.isEmpty())
return m_containerSize.height();
if (style()->logicalHeight().isSpecified() || style()->logicalMaxHeight().isSpecified())
return RenderReplaced::computeReplacedLogicalHeight();
if (svgSVGElement().heightAttributeEstablishesViewport()) {
Length height = svgSVGElement().intrinsicHeight(SVGSVGElement::IgnoreCSSProperties);
if (height.isPercent()) {
RenderBlock* cb = containingBlock();
ASSERT(cb);
while (cb->isAnonymous() && !cb->isRenderView()) {
cb = cb->containingBlock();
cb->addPercentHeightDescendant(const_cast<RenderSVGRoot&>(*this));
}
} else
RenderBlock::removePercentHeightDescendant(const_cast<RenderSVGRoot&>(*this));
return resolveLengthAttributeForSVG(height, style()->effectiveZoom(), containingBlock()->availableLogicalHeight(IncludeMarginBorderPadding), &view());
}
// SVG embedded through object/embed/iframe.
if (isEmbeddedThroughFrameContainingSVGDocument())
return frame().ownerRenderer()->availableLogicalHeight(IncludeMarginBorderPadding);
// SVG embedded via SVGImage (background-image/border-image/etc) / Inline SVG.
return RenderReplaced::computeReplacedLogicalHeight();
}
LayoutUnit RenderSVGRoot::computeReplacedLogicalHeight() const
{
SVGSVGElement* svg = static_cast<SVGSVGElement*>(node());
ASSERT(svg);
// When we're embedded through SVGImage (border-image/background-image/<html:img>/...) we're forced to resize to a specific size.
if (!m_containerSize.isEmpty())
return m_containerSize.height();
if (hasReplacedLogicalHeight())
return RenderReplaced::computeReplacedLogicalHeight();
if (svg->heightAttributeEstablishesViewport()) {
Length height = svg->intrinsicHeight(SVGSVGElement::IgnoreCSSProperties);
if (height.isPercent()) {
RenderBlock* cb = containingBlock();
ASSERT(cb);
while (cb->isAnonymous()) {
cb = cb->containingBlock();
cb->addPercentHeightDescendant(const_cast<RenderSVGRoot*>(this));
}
} else
RenderBlock::removePercentHeightDescendant(const_cast<RenderSVGRoot*>(this));
return resolveLengthAttributeForSVG(height, style()->effectiveZoom(), containingBlock()->availableLogicalHeight());
}
// Only SVGs embedded in <object> reach this point.
ASSERT(isEmbeddedThroughFrameContainingSVGDocument());
return document()->frame()->ownerRenderer()->availableLogicalHeight();
}