method fromBitmapData

Source

static Future<TextureAtlas> fromBitmapData(
    BitmapData bitmapData, String source, [
    TextureAtlasFormat textureAtlasFormat = TextureAtlasFormat.JSONARRAY]) =>
        textureAtlasFormat.load(new _TextureAtlasLoaderBitmapData(
            bitmapData, source));