Android: padding left a bitmap with white color

Question

How to set all white the 10 rows on the left side of a Bitmap? I\'v got a Bitmap that has to be padded on the left side. I thought i can create a new image iterate on the ol

Answer 1

public Bitmap addPaddingTopForBitmap(Bitmap bitmap, int paddingTop) {
    Bitmap outputBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight() + paddingTop, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(outputBitmap);
    canvas.drawColor(Color.RED);
    canvas.drawBitmap(bitmap, 0, paddingTop, null);
    return outputBitmap;
}

public Bitmap addPaddingBottomForBitmap(Bitmap bitmap, int paddingBottom) {
    Bitmap outputBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight() + paddingBottom, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(outputBitmap);
    canvas.drawColor(Color.RED);
    canvas.drawBitmap(bitmap, 0, 0, null);
    return outputBitmap;
}


public Bitmap addPaddingRightForBitmap(Bitmap bitmap, int paddingRight) {
    Bitmap outputBitmap = Bitmap.createBitmap(bitmap.getWidth() + paddingRight, bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(outputBitmap);
    canvas.drawColor(Color.RED);
    canvas.drawBitmap(bitmap, 0, 0, null);
    return outputBitmap;
}

public Bitmap addPaddingLeftForBitmap(Bitmap bitmap, int paddingLeft) {
    Bitmap outputBitmap = Bitmap.createBitmap(bitmap.getWidth() + paddingLeft, bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(outputBitmap);
    canvas.drawColor(Color.RED);
    canvas.drawBitmap(bitmap, paddingLeft, 0, null);
    return outputBitmap;
}