Esempio n. 1
0
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();
}
Esempio n. 2
0
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();
}