Method cropSprite

src/app/document_api.cpp:80–128

}

void DocumentApi::cropSprite(Sprite* sprite, const gfx::Rect& bounds)
{
  setSpriteSize(sprite, bounds.w, bounds.h);

  app::Document* doc = static_cast<app::Document*>(sprite->document());
  std::vector<Layer*> layers;
  sprite->getLayersList(layers);
  for (Layer* layer : layers) {
    if (!layer->isImage())
      continue;

    std::set<ObjectId> visited;
    CelIterator it = ((LayerImage*)layer)->getCelBegin();
    CelIterator end = ((LayerImage*)layer)->getCelEnd();
    for (; it != end; ++it) {
      auto cel = *it;
      if (visited.find(cel->data()->id()) != visited.end())
        continue;
      visited.insert(cel->data()->id());

      if (layer->isBackground()) {
        Image* image = cel->image();
        if (image && !cel->link()) {
          ASSERT(cel->x() == 0);
          ASSERT(cel->y() == 0);

          // Create the new image through a crop
          ImageRef new_image(
            crop_image(image,
              bounds.x, bounds.y,
              bounds.w, bounds.h,
              doc->bgColor(layer)));

          // Replace the image in the stock that is pointed by the cel
          replaceImage(sprite, cel->imageRef(), new_image);
        }
      }
      else {
        // Update the cel's position
        setCelPosition(sprite, cel,
          cel->x()-bounds.x, cel->y()-bounds.y);
      }
    }
  }

  if (!m_document->mask()->isEmpty())
    setMaskPosition(m_document->mask()->bounds().x-bounds.x,
                    m_document->mask()->bounds().y-bounds.y);
}

void DocumentApi::trimSprite(Sprite* sprite)
{