SillyAndroid.java 文件源码

/**
 * Converts a {@link Drawable} into a {@link Bitmap}. Includes an optimization in case the {@link Drawable} in question is already a
 * {@link BitmapDrawable}.
 *
 * @param drawable A Drawable instance to convert
 * @param width    The width of the new Bitmap
 * @param height   The height of the new Bitmap
 * @return A new {@link Bitmap} instance constraint to width and height dimensions supplied, never {@code null}
 */
@NonNull
@SuppressWarnings("unused")
public static Bitmap drawableToBitmap(@NonNull final Drawable drawable, @Px final int width, @Px final int height) {
    final Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(result);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);
    return result;
}