png_set_background_fixed 7322 contrib/libtests/pngvalid.c       png_set_background_fixed(pp, &back, PNG_BACKGROUND_GAMMA_FILE, expand, 0);
png_set_background_fixed 7851 contrib/libtests/pngvalid.c             png_set_background_fixed(pp, &dp->background_color,
png_set_background_fixed 1434 png.h          PNG_FIXED_EXPORT(215, void, png_set_background_fixed, (png_structrp png_ptr,
png_set_background_fixed 2263 pngread.c                           png_set_background_fixed(png_ptr, &c,
png_set_background_fixed 2366 pngread.c                     png_set_background_fixed(png_ptr, &c,
png_set_background_fixed 2568 pngread.c                        png_set_background_fixed(png_ptr, &c,
png_set_background_fixed 2717 pngread.c                           png_set_background_fixed(png_ptr, &c,
png_set_background_fixed 3782 pngread.c                     png_set_background_fixed(png_ptr, &c,
png_set_background_fixed  158 pngrtran.c        png_set_background_fixed(png_ptr, background_color, background_gamma_code,