png_write_info   1103 3rdparty/libpng/png.h PNG_EXPORT(21, void, png_write_info,
png_write_info   1591 3rdparty/libpng/pngwrite.c    png_write_info(png_ptr, info_ptr);
png_write_info    417 modules/imgcodecs/src/grfmt_png.cpp                     png_write_info( png_ptr, info_ptr );