png_set_sCAL_s   2556 third_party/libpng/png.h extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr,
png_set_sCAL_s   1941 third_party/libpng/pngrutil.c    png_set_sCAL_s(png_ptr, info_ptr, png_ptr->chunkdata[0], swidth, sheight);