/**
* Returns a new stamp where all variations have been rotated in the given
* \a direction.
*/
TileStamp TileStamp::rotated(RotateDirection direction) const
{
TileStamp rotated(*this);
rotated.d.detach();
for (const TileStampVariation &variation : rotated.variations()) {
const QRect mapRect(QPoint(), variation.map->size());
QSize rotatedSize;
for (auto layer : variation.map->tileLayers()) {
TileLayer *tileLayer = static_cast<TileLayer*>(layer);
// Synchronize tile layer size to map size (assumes map contains all layers)
if (tileLayer->rect() != mapRect) {
tileLayer->resize(mapRect.size(), tileLayer->position());
tileLayer->setPosition(0, 0);
}
if (variation.map->orientation() == Map::Hexagonal)
tileLayer->rotateHexagonal(direction, variation.map);
else
tileLayer->rotate(direction);
rotatedSize = tileLayer->size();
}
variation.map->setWidth(rotatedSize.width());
variation.map->setHeight(rotatedSize.height());
}
return rotated;
}
Layer *TileLayer::mergedWith(Layer *other) const
{
Q_ASSERT(canMergeWith(other));
const TileLayer *o = static_cast<TileLayer*>(other);
const QRect unitedBounds = bounds().united(o->bounds());
const QPoint offset = position() - unitedBounds.topLeft();
TileLayer *merged = static_cast<TileLayer*>(clone());
merged->resize(unitedBounds.size(), offset);
merged->merge(o->position() - unitedBounds.topLeft(), o);
return merged;
}
/**
* Returns a new stamp where all variations have been flipped in the given
* \a direction.
*/
TileStamp TileStamp::flipped(FlipDirection direction) const
{
TileStamp flipped(*this);
flipped.d.detach();
for (const TileStampVariation &variation : flipped.variations()) {
const QRect mapRect(QPoint(), variation.map->size());
for (auto layer : variation.map->tileLayers()) {
TileLayer *tileLayer = static_cast<TileLayer*>(layer);
// Synchronize tile layer size to map size (assumes map contains all layers)
if (tileLayer->rect() != mapRect) {
tileLayer->resize(mapRect.size(), tileLayer->position());
tileLayer->setPosition(0, 0);
}
if (variation.map->orientation() == Map::Hexagonal)
tileLayer->flipHexagonal(direction);
else
tileLayer->flip(direction);
}
if (variation.map->isStaggered()) {
Map::StaggerAxis staggerAxis = variation.map->staggerAxis();
if (staggerAxis == Map::StaggerY) {
if ((direction == FlipVertically && !(variation.map->height() & 1)) || direction == FlipHorizontally)
variation.map->invertStaggerIndex();
} else {
if ((direction == FlipHorizontally && !(variation.map->width() & 1)) || direction == FlipVertically)
variation.map->invertStaggerIndex();
}
}
}
return flipped;
}