Lines Matching refs:shadow
35 int shadow = 0;
42 printf("Usage: %s gamma [shadow [highlight [maxin [maxout]]]]\n", argv[0]);
53 shadow = atoi(argv[2]);
71 if (shadow < 0)
73 printf("%s error: shadow=%d < 0\n", argv[0], shadow);
95 if (shadow >= highlight)
97 printf("%s error: shadow=%d >= highlight=%d\n", argv[0], shadow, highlight);
113 f = (highlight - shadow) / 255.0 + shadow;
117 if (shadow > 0)
119 printf("[%d]%d-", shadow, 0);
125 out = maxout * pow((double) (in - shadow)/(highlight-shadow), (1.0/gamma));