Lines Matching defs:opaque
1148 * For the 'OPTIMIZED' mode, a pixel is treated as opaque only if the alpha
1156 * opaque areas of the composited PNG image because of arithmetic overflow.
1165 #define PNG_ALPHA_OPTIMIZED 2 /* 'PNG' for opaque pixels, else 'STANDARD' */
1219 * setting. In this case you just copy completely opaque pixels to the
1235 * halos round the opaque parts of the image where the background is light.
2669 * version field to PNG_IMAGE_VERSION and the 'opaque' pointer to NULL
2705 png_controlp opaque; /* Initialize to NULL, free with png_image_free */
3008 * the png_controlp field 'opaque' to NULL (or, safer, memset the whole thing.)
3062 /* Free any data allocated by libpng in image->opaque, setting the pointer to
3075 * opaque: must be initialized to NULL
