RIGHT_CORNER     1659 src/image.c          corner_pixels[1] = GET_PIXEL (pimg, corners[RIGHT_CORNER] - 1, corners[TOP_CORNER]);
RIGHT_CORNER     1660 src/image.c          corner_pixels[2] = GET_PIXEL (pimg, corners[RIGHT_CORNER] - 1, corners[BOT_CORNER] - 1);
RIGHT_CORNER     9224 src/image.c      img->corners[RIGHT_CORNER]
RIGHT_CORNER     9274 src/image.c          for (x = img->corners[RIGHT_CORNER]; x < width; ++x)
RIGHT_CORNER     9867 src/image.c      img->corners[RIGHT_CORNER]