void RenderFlowThread::collectLayerFragments(LayerFragments& layerFragments, const LayoutRect& layerBoundingBox, const LayoutRect& dirtyRect)
{
ASSERT(!m_regionsInvalidated);
for (RenderMultiColumnSetList::const_iterator iter = m_multiColumnSetList.begin(); iter != m_multiColumnSetList.end(); ++iter) {
RenderMultiColumnSet* columnSet = *iter;
columnSet->collectLayerFragments(layerFragments, layerBoundingBox, dirtyRect);
}
}
LayoutRect RenderFlowThread::fragmentsBoundingBox(const LayoutRect& layerBoundingBox)
{
ASSERT(!m_regionsInvalidated);
LayoutRect result;
for (RenderMultiColumnSetList::const_iterator iter = m_multiColumnSetList.begin(); iter != m_multiColumnSetList.end(); ++iter) {
RenderMultiColumnSet* columnSet = *iter;
LayerFragments fragments;
columnSet->collectLayerFragments(fragments, layerBoundingBox, PaintInfo::infiniteRect());
for (size_t i = 0; i < fragments.size(); ++i) {
const LayerFragment& fragment = fragments.at(i);
LayoutRect fragmentRect(layerBoundingBox);
fragmentRect.intersect(fragment.paginationClip);
fragmentRect.moveBy(fragment.paginationOffset);
result.unite(fragmentRect);
}
}
return result;
}