PNG_FREE_PLTE     498 3rdparty/libpng/png.c    if ((mask & PNG_FREE_PLTE) & info_ptr->free_me)
PNG_FREE_PLTE    1053 3rdparty/libpng/pngread.c    if (png_ptr->free_me & PNG_FREE_PLTE)
PNG_FREE_PLTE    1055 3rdparty/libpng/pngread.c    png_ptr->free_me &= ~PNG_FREE_PLTE;
PNG_FREE_PLTE     541 3rdparty/libpng/pngset.c    png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0);
PNG_FREE_PLTE     554 3rdparty/libpng/pngset.c    info_ptr->free_me |= PNG_FREE_PLTE;