Lines Matching refs:grayhi
7919 double rlo, rhi, glo, ghi, blo, bhi, graylo, grayhi; in image_transform_png_set_rgb_to_gray_mod() local
8014 grayhi = DU(rhi * (data.red_coefficient+ce) + in image_transform_png_set_rgb_to_gray_mod()
8017 if (grayhi < gray) in image_transform_png_set_rgb_to_gray_mod()
8018 grayhi = gray; in image_transform_png_set_rgb_to_gray_mod()
8039 grayhi = DU(pow(grayhi, power), sample_depth, 1); in image_transform_png_set_rgb_to_gray_mod()
8055 err = fabs(grayhi-gray); in image_transform_png_set_rgb_to_gray_mod()
8141 double rhi, ghi, bhi, grayhi; in image_transform_png_set_rgb_to_gray_mod() local
8169 grayhi = rhi * data.red_coefficient + ghi * data.green_coefficient + in image_transform_png_set_rgb_to_gray_mod()
8171 grayhi *= (1 + 6 * DBL_EPSILON); in image_transform_png_set_rgb_to_gray_mod()
8172 if (grayhi >= 1) in image_transform_png_set_rgb_to_gray_mod()
8173 grayhi = 1; in image_transform_png_set_rgb_to_gray_mod()
8175 grayhi = pow(grayhi, data.gamma) * (1+DBL_EPSILON); in image_transform_png_set_rgb_to_gray_mod()
8177 err = (grayhi - gray) / 2; in image_transform_png_set_rgb_to_gray_mod()
8178 gray = (grayhi + gray) / 2; in image_transform_png_set_rgb_to_gray_mod()