void LineBoxListPainter::paint(const LayoutBoxModelObject& layoutObject, const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const { ASSERT(!shouldPaintSelfOutline(paintInfo.phase) && !shouldPaintDescendantOutlines(paintInfo.phase)); // Only paint during the foreground/selection phases. if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseTextClip && paintInfo.phase != PaintPhaseMask) return; ASSERT(layoutObject.isLayoutBlock() || (layoutObject.isLayoutInline() && layoutObject.hasLayer())); // The only way an inline could paint like this is if it has a layer. if (paintInfo.phase == PaintPhaseForeground && paintInfo.isPrinting()) addPDFURLRectsForInlineChildrenRecursively(layoutObject, paintInfo, paintOffset); // If we have no lines then we have no work to do. if (!m_lineBoxList.firstLineBox()) return; if (!m_lineBoxList.anyLineIntersectsRect(LineLayoutBoxModel(const_cast<LayoutBoxModelObject*>(&layoutObject)), paintInfo.cullRect(), paintOffset)) return; PaintInfo info(paintInfo); // See if our root lines intersect with the dirty rect. If so, then we paint // them. Note that boxes can easily overlap, so we can't make any assumptions // based off positions of our first line box or our last line box. for (InlineFlowBox* curr = m_lineBoxList.firstLineBox(); curr; curr = curr->nextLineBox()) { if (m_lineBoxList.lineIntersectsDirtyRect(LineLayoutBoxModel(const_cast<LayoutBoxModelObject*>(&layoutObject)), curr, info.cullRect(), paintOffset)) { RootInlineBox& root = curr->root(); curr->paint(info, paintOffset, root.lineTop(), root.lineBottom()); } } }
PaintInvalidationState::PaintInvalidationState(PaintInvalidationState& next, LayoutBoxModelObject& layoutObject, const LayoutBoxModelObject& paintInvalidationContainer) : m_clipped(false) , m_cachedOffsetsEnabled(true) , m_forcedSubtreeInvalidationWithinContainer(next.m_forcedSubtreeInvalidationWithinContainer) , m_forcedSubtreeInvalidationRectUpdateWithinContainer(next.m_forcedSubtreeInvalidationRectUpdateWithinContainer) , m_viewClippingAndScrollOffsetDisabled(false) , m_paintInvalidationContainer(paintInvalidationContainer) , m_pendingDelayedPaintInvalidations(next.pendingDelayedPaintInvalidationTargets()) , m_enclosingSelfPaintingLayer(next.enclosingSelfPaintingLayer(layoutObject)) { // FIXME: SVG could probably benefit from a stack-based optimization like html does. crbug.com/391054 bool establishesPaintInvalidationContainer = layoutObject == m_paintInvalidationContainer; bool fixed = layoutObject.style()->position() == FixedPosition; if (!layoutObject.supportsPaintInvalidationStateCachedOffsets() || !next.m_cachedOffsetsEnabled) m_cachedOffsetsEnabled = false; if (establishesPaintInvalidationContainer) { // When we hit a new paint invalidation container, we don't need to // continue forcing a check for paint invalidation, since we're // descending into a different invalidation container. (For instance if // our parents were moved, the entire container will just move.) m_forcedSubtreeInvalidationWithinContainer = false; } else { if (m_cachedOffsetsEnabled) { if (fixed) { FloatPoint fixedOffset = layoutObject.localToAncestorPoint(FloatPoint(), &m_paintInvalidationContainer, TraverseDocumentBoundaries); m_paintOffset = LayoutSize(fixedOffset.x(), fixedOffset.y()); } else { LayoutSize offset = layoutObject.isBox() && !layoutObject.isTableRow() ? toLayoutBox(layoutObject).locationOffset() : LayoutSize(); m_paintOffset = next.m_paintOffset + offset; } if (layoutObject.isOutOfFlowPositioned() && !fixed) { if (LayoutObject* container = layoutObject.container()) { if (container->style()->hasInFlowPosition() && container->isLayoutInline()) m_paintOffset += toLayoutInline(container)->offsetForInFlowPositionedInline(toLayoutBox(layoutObject)); } } if (layoutObject.style()->hasInFlowPosition() && layoutObject.hasLayer()) m_paintOffset += layoutObject.layer()->offsetForInFlowPosition(); } m_clipped = !fixed && next.m_clipped; if (m_clipped) m_clipRect = next.m_clipRect; } if (m_cachedOffsetsEnabled && layoutObject.isSVGRoot()) { const LayoutSVGRoot& svgRoot = toLayoutSVGRoot(layoutObject); m_svgTransform = AffineTransform(svgRoot.localToBorderBoxTransform()); if (svgRoot.shouldApplyViewportClip()) addClipRectRelativeToPaintOffset(LayoutSize(svgRoot.pixelSnappedSize())); } applyClipIfNeeded(layoutObject); // FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present. }