shadows/framework/src/main/java/org/robolectric/shadows/ShadowBitmapDrawable.java
@Implementation
  protected void draw(Canvas canvas) {
    Paint paint = new Paint();
    paint.setColorFilter(colorFilter);
    canvas.drawBitmap(realBitmapDrawable.getBitmap(), 0, 0, paint);
  }
@Implementation
  protected void draw(Canvas canvas) {
    Paint paint = new Paint();
    paint.setColorFilter(colorFilter);
    canvas.drawBitmap(realBitmapDrawable.getBitmap(), 0, 0, paint);
  }
Draws the contained bitmap onto the canvas at 0,0 with a default {@code Paint}

@param canvas the canvas to draw on