bool RenderSVGImage::updateImageViewport()
{
SVGImageElement* image = toSVGImageElement(element());
FloatRect oldBoundaries = m_objectBoundingBox;
bool updatedViewport = false;
SVGLengthContext lengthContext(image);
m_objectBoundingBox = FloatRect(image->x()->currentValue()->value(lengthContext), image->y()->currentValue()->value(lengthContext), image->width()->currentValue()->value(lengthContext), image->height()->currentValue()->value(lengthContext));
bool boundsChanged = oldBoundaries != m_objectBoundingBox;
// Images with preserveAspectRatio=none should force non-uniform scaling. This can be achieved
// by setting the image's container size to its intrinsic size.
// See: http://www.w3.org/TR/SVG/single-page.html, 7.8 The ‘preserveAspectRatio’ attribute.
IntSize newViewportSize;
if (image->preserveAspectRatio()->currentValue()->align() == SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE) {
LayoutSize intrinsicSize = m_imageResource->intrinsicSize(style()->effectiveZoom());
if (intrinsicSize != m_imageResource->imageSize(style()->effectiveZoom())) {
newViewportSize = roundedIntSize(intrinsicSize);
updatedViewport = true;
}
} else if (boundsChanged) {
newViewportSize = enclosingIntRect(m_objectBoundingBox).size();
updatedViewport = true;
}
if (updatedViewport)
m_imageResource->setContainerSizeForRenderer(newViewportSize);
m_needsBoundariesUpdate |= boundsChanged;
return updatedViewport;
}
void RenderSVGImage::layout()
{
ASSERT(needsLayout());
LayoutRepainter repainter(*this, m_everHadLayout && checkForRepaintDuringLayout());
SVGImageElement* image = static_cast<SVGImageElement*>(node());
bool updateCachedBoundariesInParents = false;
if (m_needsTransformUpdate) {
m_localTransform = image->animatedLocalTransform();
m_needsTransformUpdate = false;
updateCachedBoundariesInParents = true;
}
// FIXME: Optimize caching the repaint rects.
FloatRect oldBoundaries = m_localBounds;
m_localBounds = FloatRect(image->x().value(image), image->y().value(image), image->width().value(image), image->height().value(image));
m_cachedLocalRepaintRect = FloatRect();
if (!updateCachedBoundariesInParents)
updateCachedBoundariesInParents = oldBoundaries != m_localBounds;
// Invalidate all resources of this client if our layout changed.
if (m_everHadLayout && selfNeedsLayout())
SVGResourcesCache::clientLayoutChanged(this);
// If our bounds changed, notify the parents.
if (updateCachedBoundariesInParents)
RenderSVGModelObject::setNeedsBoundariesUpdate();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderSVGImage::layout()
{
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
SVGImageElement* image = static_cast<SVGImageElement*>(node());
if (m_needsTransformUpdate) {
m_localTransform = image->animatedLocalTransform();
m_needsTransformUpdate = false;
}
// minimum height
setHeight(errorOccurred() ? intrinsicSize().height() : 0);
calcWidth();
calcHeight();
m_localBounds = FloatRect(image->x().value(image), image->y().value(image), image->width().value(image), image->height().value(image));
m_cachedLocalRepaintRect = FloatRect();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
bool RenderSVGImage::updateImageViewport()
{
SVGImageElement* image = static_cast<SVGImageElement*>(node());
FloatRect oldBoundaries = m_objectBoundingBox;
SVGLengthContext lengthContext(image);
m_objectBoundingBox = FloatRect(image->x().value(lengthContext), image->y().value(lengthContext), image->width().value(lengthContext), image->height().value(lengthContext));
if (oldBoundaries == m_objectBoundingBox)
return false;
m_imageResource->setContainerSizeForRenderer(enclosingIntRect(m_objectBoundingBox).size());
m_needsBoundariesUpdate = true;
return true;
}
AffineTransform RenderSVGImage::translationForAttributes()
{
SVGImageElement *image = static_cast<SVGImageElement*>(node());
return AffineTransform().translate(image->x().value(), image->y().value());
}
FloatRect RenderSVGImage::relativeBBox(bool includeStroke) const
{
SVGImageElement* image = static_cast<SVGImageElement*>(node());
return FloatRect(image->x().value(), image->y().value(), width(), height());
}