PNG_HAVE_PNG_SIGNATURE 1276 3rdparty/libpng/png.c    if ((png_ptr->mode & PNG_HAVE_PNG_SIGNATURE) &&
PNG_HAVE_PNG_SIGNATURE 1284 3rdparty/libpng/png.c           ((png_ptr->mode & PNG_HAVE_PNG_SIGNATURE) == 0) &&
PNG_HAVE_PNG_SIGNATURE 1292 3rdparty/libpng/png.c       if (png_ptr->mode & PNG_HAVE_PNG_SIGNATURE)
PNG_HAVE_PNG_SIGNATURE  145 3rdparty/libpng/pngrutil.c       png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
PNG_HAVE_PNG_SIGNATURE   41 3rdparty/libpng/pngwrite.c    if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) && \
PNG_HAVE_PNG_SIGNATURE   82 3rdparty/libpng/pngwutil.c       png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
PNG_HAVE_PNG_SIGNATURE  772 3rdparty/libpng/pngwutil.c        ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) &&