readRawImage(in);
Util.readRawImage(in, twidth, theight);
    private void readBGFXChunk(Map m, InputStream in, int num) throws IOException {		TileSet set = (TileSet)m.getTilesets().get(0);		set.addTile(new Tile()); 		readRawImage(in);   //skip the null-tile		for(int i=1;i<num;i++) {			Tile t = new Tile();			t.setImage(readRawImage(in));			set.addTile(t);		}    }