PNG_INTRAPIXEL_DIFFERENCING 1283 3rdparty/libpng/png.c           (filter_type == PNG_INTRAPIXEL_DIFFERENCING) &&
PNG_INTRAPIXEL_DIFFERENCING  593 3rdparty/libpng/pngread.c        (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
PNG_INTRAPIXEL_DIFFERENCING  799 3rdparty/libpng/pngwrite.c        (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
PNG_INTRAPIXEL_DIFFERENCING 1033 3rdparty/libpng/pngwrite.c        (method == PNG_INTRAPIXEL_DIFFERENCING))
PNG_INTRAPIXEL_DIFFERENCING  775 3rdparty/libpng/pngwutil.c        (filter_type == PNG_INTRAPIXEL_DIFFERENCING)) &&