void
DisplayList::replaceDisplayObject(DisplayObject* ch, int depth,
bool use_old_cxform, bool use_old_matrix)
{
testInvariant();
//GNASH_REPORT_FUNCTION;
assert(!ch->unloaded());
ch->set_invalidated();
ch->set_depth(depth);
container_type::iterator it =
std::find_if(_charsByDepth.begin(), _charsByDepth.end(),
boost::bind(std::not2(DepthLessThan()), _1, depth));
if (it == _charsByDepth.end() || (*it)->get_depth() != depth) {
_charsByDepth.insert(it, ch);
}
else {
// Make a copy (before replacing)
DisplayObject* oldch = *it;
InvalidatedRanges old_ranges;
if (use_old_cxform) {
// Use the SWFCxForm from the old DisplayObject.
ch->setCxForm(getCxForm(*oldch));
}
if (use_old_matrix) {
// Use the SWFMatrix from the old DisplayObject.
ch->setMatrix(getMatrix(*oldch), true);
}
// remember bounds of old char
oldch->add_invalidated_bounds(old_ranges, true);
// replace existing char (before calling unload)
*it = ch;
// Unload old char
if (oldch->unload()) {
// reinsert removed DisplayObject if needed
reinsertRemovedCharacter(oldch);
}
else oldch->destroy();
// extend invalidated bounds
// WARNING: when a new Button DisplayObject is added,
// the invalidated bounds computation will likely
// be bogus, as the actual DisplayObject shown is not
// instantiated until stagePlacementCallback for buttons
// (I'd say this is a bug in Button).
ch->extend_invalidated_bounds(old_ranges);
}
testInvariant();
}
const SWFCxForm& colorTransform() const {
return getCxForm(_movieClip);
}
