PNG_FREE_TRNS     365 3rdparty/libpng/png.c    if ((mask & PNG_FREE_TRNS) & info_ptr->free_me)
PNG_FREE_TRNS    1059 3rdparty/libpng/pngread.c    if (png_ptr->free_me & PNG_FREE_TRNS)
PNG_FREE_TRNS    1061 3rdparty/libpng/pngread.c    png_ptr->free_me &= ~PNG_FREE_TRNS;
PNG_FREE_TRNS     907 3rdparty/libpng/pngset.c        png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0);
PNG_FREE_TRNS     942 3rdparty/libpng/pngset.c       info_ptr->free_me |= PNG_FREE_TRNS;