public Bitmap GetFrame(int position, int width, int height)
{
if (!is_prepared_picture_)
{
PreparePicture();
is_prepared_picture_ = true;
}
CacheItem cache_item = new CacheItem();
int prev = frame_position_list_[position];
int current = frame_position_list_[position + 1];
for (int i = prev; i < current; ++i)
{
if ((int)tag_list_[i].tag == (int)ObjectType.PlaceObject2)
{
PlaceObject place = new PlaceObject(tag_list_[i], data_reader_, (int)tag_list_[i].size);
cache_item.AddCommand(FindPicture(place.ObjectId), place.ObjectId, place.X / 20, place.Y / 20, place.Alpha);
}
}
int src_width = (frame_size_.x_max - frame_size_.x_min) / 20;
int src_height = (frame_size_.y_max - frame_size_.y_min) / 20;
Bitmap bitmap = cache_.GetBitmap(cache_item, (width > 0 ? width : src_width),
(height > 0 ? height : src_height), src_width, src_height);
return((Bitmap)bitmap.Clone());
}