Lines Matching refs:file_gamma
291 png_fixed_point file_gamma; in png_set_alpha_mode_fixed() local
315 file_gamma = png_reciprocal(output_gamma); in png_set_alpha_mode_fixed()
372 png_ptr->colorspace.gamma = file_gamma; in png_set_alpha_mode_fixed()
819 png_fixed_point file_gamma) in png_set_gamma_fixed() argument
828 file_gamma = translate_gamma_flags(png_ptr, file_gamma, 0/*file*/); in png_set_gamma_fixed()
841 if (file_gamma <= 0) in png_set_gamma_fixed()
851 png_ptr->colorspace.gamma = file_gamma; in png_set_gamma_fixed()
858 png_set_gamma(png_structrp png_ptr, double scrn_gamma, double file_gamma) in png_set_gamma() argument
861 convert_gamma_value(png_ptr, file_gamma)); in png_set_gamma()
1092 png_gamma_threshold(png_fixed_point screen_gamma, png_fixed_point file_gamma) in png_gamma_threshold() argument
1102 return !png_muldiv(>est, screen_gamma, file_gamma, PNG_FP_1) || in png_gamma_threshold()