PNG_FILTER_VALUE_NONE 971 3rdparty/libpng/pngpread.c if (png_ptr->row_buf[0] > PNG_FILTER_VALUE_NONE) PNG_FILTER_VALUE_NONE 575 3rdparty/libpng/pngread.c if (png_ptr->row_buf[0] > PNG_FILTER_VALUE_NONE) PNG_FILTER_VALUE_NONE 3749 3rdparty/libpng/pngrutil.c if (filter > PNG_FILTER_VALUE_NONE && filter < PNG_FILTER_VALUE_LAST) PNG_FILTER_VALUE_NONE 1046 3rdparty/libpng/pngwrite.c case PNG_FILTER_VALUE_NONE: PNG_FILTER_VALUE_NONE 2035 3rdparty/libpng/pngwutil.c png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE; PNG_FILTER_VALUE_NONE 2508 3rdparty/libpng/pngwutil.c if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE) PNG_FILTER_VALUE_NONE 2522 3rdparty/libpng/pngwutil.c sumlo = (sumlo * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >> PNG_FILTER_VALUE_NONE 2525 3rdparty/libpng/pngwutil.c sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >> PNG_FILTER_VALUE_NONE 2865 3rdparty/libpng/pngwutil.c if (png_ptr->prev_filters[j] == PNG_FILTER_VALUE_NONE)