void visibleTextQuads(const VisibleSelection& selection, Vector<FloatQuad>& quads)
{
if (!selection.isRange())
return;
ASSERT(selection.firstRange());
visibleTextQuads(*(selection.firstRange()), quads, true /* useSelectionHeight */);
}
void visibleTextQuads(const VisibleSelection& selection, Vector<FloatQuad>& quads)
{
if (!selection.isRange())
return;
// Make sure that both start and end have valid nodes associated otherwise
// this can crash. See PR 220628.
if (!selection.start().anchorNode() || !selection.end().anchorNode())
return;
visibleTextQuads(*(selection.firstRange()), quads, true /* useSelectionHeight */);
}
IntRect transformedBoundingBoxForRange(const Range& range)
{
// Based on Range::boundingBox, which does not handle transforms, and
// RenderObject::absoluteBoundingBoxRect, which does.
IntRect result;
Vector<FloatQuad> quads;
visibleTextQuads(range, quads);
const size_t n = quads.size();
for (size_t i = 0; i < n; ++i)
result.unite(quads[i].enclosingBoundingBox());
return result;
}
