void RenderSVGImage::addFocusRingRects(Vector<IntRect>& rects, const LayoutPoint&, const RenderLayerModelObject*) const
{
// this is called from paint() after the localTransform has already been applied
IntRect contentRect = enclosingIntRect(paintInvalidationRectInLocalCoordinates());
if (!contentRect.isEmpty())
rects.append(contentRect);
}
LayoutRect LayoutSVGRoot::clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
{
// This is an open-coded aggregate of SVGLayoutSupport::clippedOverflowRectForPaintInvalidation,
// LayoutSVGRoot::mapToVisibleRectInContainerSpace and LayoutReplaced::clippedOverflowRectForPaintInvalidation.
// The reason for this is to optimize/minimize the paint invalidation rect when the box is not "decorated"
// (does not have background/border/etc.)
// Return early for any cases where we don't actually paint.
if (style()->visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent())
return LayoutRect();
// Compute the paint invalidation rect of the content of the SVG in the border-box coordinate space.
FloatRect contentPaintInvalidationRect = paintInvalidationRectInLocalCoordinates();
contentPaintInvalidationRect = m_localToBorderBoxTransform.mapRect(contentPaintInvalidationRect);
// Apply initial viewport clip, overflow:visible content is added to visualOverflow
// but the most common case is that overflow is hidden, so always intersect.
contentPaintInvalidationRect.intersect(pixelSnappedBorderBoxRect());
LayoutRect paintInvalidationRect = enclosingLayoutRect(contentPaintInvalidationRect);
// If the box is decorated or is overflowing, extend it to include the border-box and overflow.
if (m_hasBoxDecorationBackground || hasOverflowModel()) {
// The selectionRect can project outside of the overflowRect, so take their union
// for paint invalidation to avoid selection painting glitches.
LayoutRect decoratedPaintInvalidationRect = unionRect(localSelectionRect(), visualOverflowRect());
paintInvalidationRect.unite(decoratedPaintInvalidationRect);
}
// Compute the paint invalidation rect in the parent coordinate space.
LayoutRect rect(enclosingIntRect(paintInvalidationRect));
LayoutReplaced::mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState);
return rect;
}
void LayoutSVGImage::addOutlineRects(Vector<LayoutRect>& rects, const LayoutPoint&) const
{
// this is called from paint() after the localTransform has already been applied
LayoutRect contentRect = LayoutRect(paintInvalidationRectInLocalCoordinates());
if (!contentRect.isEmpty())
rects.append(contentRect);
}
void RenderSVGRoot::layout()
{
ASSERT(needsLayout());
// Arbitrary affine transforms are incompatible with LayoutState.
ForceHorriblySlowRectMapping slowRectMapping(*this);
bool needsLayout = selfNeedsLayout();
LayoutSize oldSize = size();
updateLogicalWidth();
updateLogicalHeight();
buildLocalToBorderBoxTransform();
SVGRenderSupport::layoutResourcesIfNeeded(this);
SVGSVGElement* svg = toSVGSVGElement(node());
ASSERT(svg);
m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize != size());
SVGRenderSupport::layoutChildren(this, needsLayout || SVGRenderSupport::filtersForceContainerLayout(this));
if (m_needsBoundariesOrTransformUpdate) {
updateCachedBoundaries();
m_needsBoundariesOrTransformUpdate = false;
}
m_overflow.clear();
addVisualEffectOverflow();
if (!shouldApplyViewportClip()) {
FloatRect contentRepaintRect = paintInvalidationRectInLocalCoordinates();
contentRepaintRect = m_localToBorderBoxTransform.mapRect(contentRepaintRect);
addVisualOverflow(enclosingLayoutRect(contentRepaintRect));
}
updateLayerTransformAfterLayout();
m_hasBoxDecorationBackground = isDocumentElement() ? calculateHasBoxDecorations() : hasBoxDecorationBackground();
invalidateBackgroundObscurationStatus();
clearNeedsLayout();
}
void RenderSVGImage::paint(PaintInfo& paintInfo, const LayoutPoint&)
{
ANNOTATE_GRAPHICS_CONTEXT(paintInfo, this);
if (paintInfo.phase != PaintPhaseForeground
|| style()->visibility() == HIDDEN
|| !m_imageResource->hasImage())
return;
FloatRect boundingBox = paintInvalidationRectInLocalCoordinates();
if (!SVGRenderSupport::paintInfoIntersectsPaintInvalidationRect(boundingBox, m_localTransform, paintInfo))
return;
PaintInfo childPaintInfo(paintInfo);
GraphicsContextStateSaver stateSaver(*childPaintInfo.context, false);
if (!m_localTransform.isIdentity()) {
stateSaver.save();
childPaintInfo.applyTransform(m_localTransform, false);
}
if (!m_objectBoundingBox.isEmpty()) {
// SVGRenderingContext may taint the state - make sure we're always saving.
SVGRenderingContext renderingContext(this, childPaintInfo, stateSaver.saved() ?
SVGRenderingContext::DontSaveGraphicsContext : SVGRenderingContext::SaveGraphicsContext);
if (renderingContext.isRenderingPrepared()) {
if (style()->svgStyle().bufferedRendering() == BR_STATIC && renderingContext.bufferForeground(m_bufferedForeground))
return;
paintForeground(childPaintInfo);
}
}
if (style()->outlineWidth())
paintOutline(childPaintInfo, IntRect(boundingBox));
}
// addFocusRingRects is called from paintOutline and needs to be in the same coordinates as the paintOuline call
void RenderSVGContainer::addFocusRingRects(Vector<LayoutRect>& rects, const LayoutPoint&, const RenderLayerModelObject*) const
{
LayoutRect paintRectInParent = LayoutRect(localToParentTransform().mapRect(paintInvalidationRectInLocalCoordinates()));
if (!paintRectInParent.isEmpty())
rects.append(paintRectInParent);
}
// This method is called from inside paintOutline() since we call paintOutline()
// while transformed to our coord system, return local coords
void LayoutSVGShape::addOutlineRects(Vector<LayoutRect>& rects, const LayoutPoint&, IncludeBlockVisualOverflowOrNot) const
{
rects.append(LayoutRect(paintInvalidationRectInLocalCoordinates()));
}
// The SVG addFocusRingRects() method adds rects in local coordinates so the default absoluteFocusRingQuads
// returns incorrect values for SVG objects. Overriding this method provides access to the absolute bounds.
void RenderSVGModelObject::absoluteFocusRingQuads(Vector<FloatQuad>& quads)
{
quads.append(localToAbsoluteQuad(FloatQuad(paintInvalidationRectInLocalCoordinates())));
}
void LayoutSVGImage::addOutlineRects(Vector<LayoutRect>& rects, const LayoutPoint&, IncludeBlockVisualOverflowOrNot) const
{
// this is called from paint() after the localTransform has already been applied
rects.append(LayoutRect(paintInvalidationRectInLocalCoordinates()));
}
