CLEAR_IMAGE_MASK 1804 src/image.c      if (flags & CLEAR_IMAGE_MASK)
CLEAR_IMAGE_MASK 1850 src/image.c    			| CLEAR_IMAGE_MASK
CLEAR_IMAGE_MASK 2310 src/image.c    	    image_clear_image_1 (f, img, CLEAR_IMAGE_MASK);
CLEAR_IMAGE_MASK 5755 src/image.c          image_clear_image_1 (f, img, CLEAR_IMAGE_MASK);
CLEAR_IMAGE_MASK 6553 src/image.c        image_clear_image_1 (f, img, CLEAR_IMAGE_MASK);