png_write_gAMA_fixed 3254 third_party/libpng/png.h PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr,
png_write_gAMA_fixed   67 third_party/libpng/pngwrite.c       png_write_gAMA_fixed(png_ptr, info_ptr->int_gamma);