png_set_filter_heuristics 1986 third_party/libpng/png.h extern PNG_EXPORT(void,png_set_filter_heuristics) PNGARG((png_structp png_ptr,
png_set_filter_heuristics  580 third_party/libpng/pngwrite.c    png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,
png_set_filter_heuristics  726 third_party/libpng/pngwrite.c    png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,