533 #if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)
753  || defined(PNG_READ_GAMMA_SUPPORTED)  in png_init_read_transformations()
868 #if defined(PNG_READ_BACKGROUND_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED)  in png_init_read_transformations()
871 #if defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)  in png_init_read_transformations()
1149 #if !defined(PNG_READ_GAMMA_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED) \  in png_init_read_transformations()
1200 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_read_transform_info()
1421 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_read_transformations()
1431 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_read_transformations()
2301 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)  in png_do_rgb_to_gray()
2345 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)  in png_do_rgb_to_gray()
2406 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)  in png_do_rgb_to_gray()
2442 #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)  in png_do_rgb_to_gray()
2572     defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED)  in png_correct_palette()
2681 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_correct_palette()
2754 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
2806 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
2863 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
2920 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
2953 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3002 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3043 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3107 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3149 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3166 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3184 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3194 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3220 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3229 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3250 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3323 #if defined(PNG_READ_GAMMA_SUPPORTED)  in png_do_background()
3440 #if defined(PNG_READ_GAMMA_SUPPORTED)
4084 #if defined(PNG_READ_GAMMA_SUPPORTED)