Lines Matching defs:opaque
1152 * For the 'OPTIMIZED' mode, a pixel is treated as opaque only if the alpha
1160 * opaque areas of the composited PNG image because of arithmetic overflow.
1169 #define PNG_ALPHA_OPTIMIZED 2 /* 'PNG' for opaque pixels, else 'STANDARD' */
1223 * setting. In this case you just copy completely opaque pixels to the
1239 * halos round the opaque parts of the image where the background is light.
2657 * version field to PNG_IMAGE_VERSION and the 'opaque' pointer to NULL
2693 png_controlp opaque; /* Initialize to NULL, free with png_image_free */
2994 * the png_controlp field 'opaque' to NULL (or, safer, memset the whole thing.)
3048 /* Free any data allocated by libpng in image->opaque, setting the pointer to
3061 * opaque: must be initialized to NULL
