/**
 * Draw one image over other using the canvas paint and path drawing.
 */
public Bitmap createMaskedImageInImageCenterRightMug(Drawable back,
                                                     Bitmap bitmapToDrawInTheCenter) {

    Bitmap backgroundBitmap = ((BitmapDrawable) back).getBitmap();
    int hieghtBack = backgroundBitmap.getHeight();
    int widthBack = backgroundBitmap.getWidth();
    int hieghtFront = bitmapToDrawInTheCenter.getHeight();
    int widthFront = bitmapToDrawInTheCenter.getWidth();
    int widthToDrawOnMug = widthBack / 2;
    backgroundBitmap = Bitmap.createScaledBitmap(backgroundBitmap, (int) canvas_width, hieghtBack, true);
    // Create mask
    Bitmap backgroundBitmapMask = Bitmap.createBitmap(backgroundBitmap, 7, 0, (int) (canvas_width / 2), hieghtBack);
    if (widthToDrawOnMug <= widthFront) {
        bitmapToDrawInTheCenter = Bitmap.createBitmap(
                bitmapToDrawInTheCenter, (widthFront * 40) / 100, 0,
                (widthFront * 60) / 100, hieghtFront);
    }
    Bitmap backgroundBitmapScaledMask = Bitmap.createScaledBitmap(
            backgroundBitmapMask, widthToDrawOnMug, hieghtBack - 50, true);

    bitmapToDrawInTheCenter = Bitmap.createScaledBitmap(
            bitmapToDrawInTheCenter, backgroundBitmapScaledMask.getWidth(),
            backgroundBitmapScaledMask.getHeight(), true);
    Bitmap resultBitmap = Bitmap.createBitmap(
            backgroundBitmapScaledMask.getWidth(),
            backgroundBitmapScaledMask.getHeight(),
            backgroundBitmapScaledMask.getConfig());
    Canvas canvas = new Canvas(resultBitmap);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(backgroundBitmapScaledMask, 0, 0, null);
    canvas.drawBitmap(bitmapToDrawInTheCenter, 0, 0, paint);
    return resultBitmap;
}

/**
 * Draw one image over other using the canvas paint and path drawing.
 */
public Bitmap pasteOverMugForRightMug(Drawable back,
                                      Bitmap bitmapToDrawInTheCenter) {
    Bitmap backgroundBitmap = ((BitmapDrawable) back).getBitmap();
    Bitmap resultBitmap = Bitmap.createBitmap(backgroundBitmap.getWidth(), backgroundBitmap.getHeight(), backgroundBitmap.getConfig());
    Canvas canvas = new Canvas(resultBitmap);
    canvas.drawBitmap(backgroundBitmap, new Matrix(), null);
    Paint paint = new Paint();
    canvas.drawBitmap(bitmapToDrawInTheCenter, 0, 25, paint);
    return resultBitmap;
}