Lines Matching defs:hc2
1884 uint32_t hc2 = (hc >> 9) & 0x7f;
1885 uint32_t hc1 = 0x80 - hc2;
1921 * pixels contribute hc1 and hc2 respectively.
1924 * (pT * hc1 + pB * hc2) / (hc1 + hc2)
1930 * Since hc1 and hc2 are chosen so that
1931 * hc1 + hc2 == 128 (and same for wc1 + wc2),
1933 * (hc1 + hc2) * (wc1 + wc2)
1938 png->image[p01 + i] * hc2) * wc1 +
1940 png->image[p11 + i] * hc2) * wc2)