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());
}
}
}
void PaintPropertyTreeBuilder::walk(LayoutBoxModelObject& object, const PaintPropertyTreeBuilderContext& context)
{
ASSERT(object.isBox() != object.isLayoutInline()); // Either or.
PaintPropertyTreeBuilderContext localContext(context);
deriveBorderBoxFromContainerContext(object, localContext);
RefPtr<TransformPaintPropertyNode> newTransformNodeForPaintOffsetTranslation = createPaintOffsetTranslationIfNeeded(object, localContext);
RefPtr<TransformPaintPropertyNode> newTransformNodeForTransform = createTransformIfNeeded(object, localContext);
RefPtr<EffectPaintPropertyNode> newEffectNode = createEffectIfNeeded(object, localContext);
RefPtr<TransformPaintPropertyNode> newTransformNodeForPerspective = createPerspectiveIfNeeded(object, localContext);
RefPtr<TransformPaintPropertyNode> newTransformNodeForScrollTranslation = createScrollTranslationIfNeeded(object, localContext);
updateOutOfFlowContext(object, localContext);
if (newTransformNodeForPaintOffsetTranslation || newTransformNodeForTransform || newEffectNode || newTransformNodeForPerspective || newTransformNodeForScrollTranslation) {
OwnPtr<ObjectPaintProperties> updatedPaintProperties = ObjectPaintProperties::create(
newTransformNodeForPaintOffsetTranslation.release(),
newTransformNodeForTransform.release(),
newEffectNode.release(),
newTransformNodeForPerspective.release(),
newTransformNodeForScrollTranslation.release());
object.setObjectPaintProperties(updatedPaintProperties.release());
} else {
object.clearObjectPaintProperties();
}
// TODO(trchen): Walk subframes for LayoutFrame.
// TODO(trchen): Implement SVG walk.
if (object.isSVGRoot()) {
return;
}
for (LayoutObject* child = object.slowFirstChild(); child; child = child->nextSibling()) {
if (child->isText())
continue;
walk(toLayoutBoxModelObject(*child), localContext);
}
}
