PhotoView.java 文件源码

/**
 * Generate label background and foreground colors using Palette base on downloaded image colors.
 *
 * @param bitmap Download bitmap.
 */
@Override
public void onBitmapChange(Bitmap bitmap) {
    if (bitmap == null) { return; }

    Palette.generateAsync(bitmap, new Palette.PaletteAsyncListener() {
        @SuppressWarnings("deprecation")
        public void onGenerated(Palette palette) {
            Resources res = getResources();
            int photoNameColorBg = palette.getDarkMutedColor(res.getColor(R.color.list_item_photo_name_bg));
            int photoNameColorFg = palette.getLightMutedColor(res.getColor(R.color.view_photo_name_fg));

            ColorFilter photoNameColorFilter = new LightingColorFilter(photoNameColorBg, 1);
            Drawable photoNameDrawableBg = res.getDrawable(R.drawable.view_photo_name_bg);
            photoNameDrawableBg.setColorFilter(photoNameColorFilter);
            mPhotoName.setBackgroundDrawable(photoNameDrawableBg);

            mPhotoName.setTextColor(photoNameColorFg);
        }
    });
}