png_write_gAMA_fixed  827 3rdparty/libpng/pngpriv.h PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr,
png_write_gAMA_fixed   63 3rdparty/libpng/pngwrite.c       png_write_gAMA_fixed(png_ptr, info_ptr->gamma);