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Bugfix: Deep mode XOR needs to maintain the layout origin of the first argument even if it is empty

This commit is contained in:
Matthias Koefferlein 2025-04-26 23:24:26 +02:00
parent 0ec8e18173
commit 5efcf83640
1 changed files with 13 additions and 6 deletions
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19
src/db/db/dbDeepRegion.cc
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@ -1054,12 +1054,7 @@ DeepRegion::xor_with (const Region &other, db::PropertyConstraint property_const
{
const DeepRegion *other_deep = dynamic_cast <const DeepRegion *> (other.delegate ());
if (empty ()) {
// Nothing to do
return other.delegate ()->clone ();
} else if (other.empty ()) {
if (other.empty ()) {
// Nothing to do
return clone ();
@ -1068,6 +1063,18 @@ DeepRegion::xor_with (const Region &other, db::PropertyConstraint property_const
return AsIfFlatRegion::xor_with (other, property_constraint);
} else if (empty ()) {
// Nothing to do, but to maintain the normal behavior, we have to map the other
// input to our layout if neccessary
if (&other_deep->deep_layer ().layout () == &deep_layer ().layout ()) {
return other.delegate ()->clone ();
} else {
std::unique_ptr<DeepRegion> other_deep_mapped (dynamic_cast<DeepRegion *> (clone ()));
other_deep_mapped->deep_layer ().add_from (other_deep->deep_layer ());
return other_deep_mapped.release ();
}
} else if (other_deep->deep_layer () == deep_layer () && pc_skip (property_constraint)) {
return new DeepRegion (deep_layer ().derived ());