void DocumentApi::cropSprite(Sprite* sprite, const gfx::Rect& bounds, int bgcolor)
{
setSpriteSize(sprite, bounds.w, bounds.h);
displaceLayers(sprite->getFolder(), -bounds.x, -bounds.y);
Layer *background_layer = sprite->getBackgroundLayer();
if (background_layer)
cropLayer(background_layer, 0, 0, sprite->getWidth(), sprite->getHeight(), bgcolor);
if (!m_document->getMask()->isEmpty())
setMaskPosition(m_document->getMask()->getBounds().x-bounds.x,
m_document->getMask()->getBounds().y-bounds.y);
}
/**
* Moves every frame in @a layer with the offset (@a dx, @a dy).
*/
void UndoTransaction::displaceLayers(Layer* layer, int dx, int dy)
{
switch (layer->getType()) {
case GFXOBJ_LAYER_IMAGE: {
CelIterator it = ((LayerImage*)layer)->getCelBegin();
CelIterator end = ((LayerImage*)layer)->getCelEnd();
for (; it != end; ++it) {
Cel* cel = *it;
setCelPosition(cel, cel->getX()+dx, cel->getY()+dy);
}
break;
}
case GFXOBJ_LAYER_FOLDER: {
LayerIterator it = ((LayerFolder*)layer)->get_layer_begin();
LayerIterator end = ((LayerFolder*)layer)->get_layer_end();
for (; it != end; ++it)
displaceLayers(*it, dx, dy);
break;
}
}
}
