Class FilterTexPacker: private _p: private _f: private _gfx: private _w: private _h: private _pad: _textures: Texture[] _big: Frame[] _used: Map<number, { rect: Rect tex: Texture used: number }> _curMap: TexMap _tex2Map: Map<Texture, TexMap> private _hasPendingRefresh: private _newTexture: _refresh() => void _single(img: ImageSource) => Frame _add(img: ImageSource, chopQuad: Quad | undefined) => Frame _free() => void _remove(packerId: number) => void