void RenderHTMLCanvas::canvasSizeChanged()
{
IntSize canvasSize = toHTMLCanvasElement(node())->size();
LayoutSize zoomedSize(canvasSize.width() * style()->effectiveZoom(), canvasSize.height() * style()->effectiveZoom());
if (zoomedSize == intrinsicSize())
return;
setIntrinsicSize(zoomedSize);
if (!parent())
return;
if (!preferredLogicalWidthsDirty())
setPreferredLogicalWidthsDirty();
LayoutSize oldSize = size();
updateLogicalWidth();
updateLogicalHeight();
if (oldSize == size())
return;
if (!selfNeedsLayout())
setNeedsLayoutAndFullPaintInvalidation();
}
void LayoutSVGResourceContainer::invalidateCacheAndMarkForLayout(SubtreeLayoutScope* layoutScope)
{
if (selfNeedsLayout())
return;
setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::SvgResourceInvalidated, MarkContainerChain, layoutScope);
if (everHadLayout())
removeAllClientsFromCache();
}
void RenderSVGResourceContainer::invalidateCacheAndMarkForLayout(SubtreeLayoutScope* layoutScope)
{
if (selfNeedsLayout())
return;
setNeedsLayoutAndFullPaintInvalidation(MarkContainingBlockChain, layoutScope);
if (everHadLayout())
removeAllClientsFromCache();
}
void RenderImage::paintInvalidationOrMarkForLayout(const IntRect* rect)
{
ASSERT(isRooted());
LayoutSize oldIntrinsicSize = intrinsicSize();
LayoutSize newIntrinsicSize = m_imageResource->intrinsicSize();
updateIntrinsicSizeIfNeeded(newIntrinsicSize);
bool imageSourceHasChangedSize = oldIntrinsicSize != newIntrinsicSize;
if (imageSourceHasChangedSize)
setPreferredLogicalWidthsDirty();
// If the actual area occupied by the image has changed and it is not constrained by style then a layout is required.
bool imageSizeIsConstrained = style()->logicalWidth().isSpecified() && style()->logicalHeight().isSpecified();
// FIXME: We only need to recompute the containing block's preferred size if the containing block's size
// depends on the image's size (i.e., the container uses shrink-to-fit sizing).
// There's no easy way to detect that shrink-to-fit is needed, always force a layout.
bool containingBlockNeedsToRecomputePreferredSize = style()->logicalWidth().isPercent() || style()->logicalMaxWidth().isPercent() || style()->logicalMinWidth().isPercent();
if (imageSourceHasChangedSize && (!imageSizeIsConstrained || containingBlockNeedsToRecomputePreferredSize)) {
setNeedsLayoutAndFullPaintInvalidation();
return;
}
// The image hasn't changed in size or its style constrains its size, so a paint invalidation will suffice.
if (everHadLayout() && !selfNeedsLayout()) {
// The inner content rectangle is calculated during layout, but may need an update now
// (unless the box has already been scheduled for layout). In order to calculate it, we
// may need values from the containing block, though, so make sure that we're not too
// early. It may be that layout hasn't even taken place once yet.
updateInnerContentRect();
}
LayoutRect paintInvalidationRect;
if (rect) {
// The image changed rect is in source image coordinates,
// so map from the bounds of the image to the contentsBox.
paintInvalidationRect = enclosingIntRect(mapRect(*rect, FloatRect(FloatPoint(), m_imageResource->imageSize()), contentBoxRect()));
// Guard against too-large changed rects.
paintInvalidationRect.intersect(contentBoxRect());
} else {
paintInvalidationRect = contentBoxRect();
}
{
// FIXME: We should not be allowing paint invalidations during layout. crbug.com/339584
AllowPaintInvalidationScope scoper(frameView());
DisableCompositingQueryAsserts disabler;
invalidatePaintRectangle(paintInvalidationRect);
}
// Tell any potential compositing layers that the image needs updating.
contentChanged(ImageChanged);
}
void LayoutFlowThread::invalidateColumnSets()
{
if (m_columnSetsInvalidated) {
ASSERT(selfNeedsLayout());
return;
}
setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::ColumnsChanged);
m_columnSetsInvalidated = true;
}
void RenderFlowThread::invalidateRegions()
{
if (m_regionsInvalidated) {
ASSERT(selfNeedsLayout());
return;
}
m_multiColumnSetRangeMap.clear();
setNeedsLayoutAndFullPaintInvalidation();
m_regionsInvalidated = true;
}
