Searched refs:PNG_GAMMA_THRESHOLD (Results 1 – 9 of 9) sorted by relevance
91 ((png_fixed_point)(PNG_GAMMA_THRESHOLD * PNG_FP_1))
109 ((png_fixed_point)(PNG_GAMMA_THRESHOLD * PNG_FP_1))9452 if (fabs(vi->screen_gamma-1) < PNG_GAMMA_THRESHOLD) in init_validate_info()9487 if (fabs(bg_inverse-1) >= PNG_GAMMA_THRESHOLD) in init_validate_info()9507 if (fabs(vi->gamma_correction-1) < PNG_GAMMA_THRESHOLD) in init_validate_info()9511 if (fabs(vi->file_inverse-1) < PNG_GAMMA_THRESHOLD) in init_validate_info()10733 fabs(pm->gammas[j]/pm->gammas[i]-1) >= PNG_GAMMA_THRESHOLD) in perform_gamma_scale16_tests()10849 fabs(bg*screen_gamma-1) > PNG_GAMMA_THRESHOLD) in gamma_composition_test()
1337 #define PNG_GAMMA_THRESHOLD (PNG_GAMMA_THRESHOLD_FIXED*.00001) macro