[Android] Image Processing – Invert Image

     public static Bitmap doInvert(Bitmap src)
     {
          int A, R, G, B;
          int pixelColor;
          int height = src.getHeight();
          int width = src.getWidth();
         
          Bitmap returnBitmap = Bitmap.createBitmap(width, height, src.getConfig());

          for (int y = 0; y < height; y++)
          {
               for (int x = 0; x < width; x++)
               {
                    pixelColor = src.getPixel(x, y);
                    A = Color.alpha(pixelColor);
                    R = 255 - Color.red(pixelColor);
                    G = 255 - Color.green(pixelColor);
                    B = 255 - Color.blue(pixelColor);
                    returnBitmap.setPixel(x, y, Color.argb(A, R, G, B));
               }
          }

          return returnBitmap;
     }