ダイアログから日本語を文字化けせずに読み込む方法

ofSystemUtils.cpp

#include <cstdlib>


//ワイド文字列からマルチバイト文字列
//ロケール依存
void narrow(const std::wstring &src, std::string &dest) {
	setlocale(LC_CTYPE, "");
  char *mbs = new char[src.length() * MB_CUR_MAX + 1];
	wcstombs(mbs, src.c_str(), src.length() * MB_CUR_MAX + 1);
	dest = mbs;
	delete [] mbs;
}

std::string convertWideToNarrow( const wchar_t *s, char dfault = '?',
                      const std::locale& loc = std::locale() )
{
#if 0
  std::ostringstream stm;

  while( *s != L'\0' ) {
    stm << std::use_facet< std::ctype<wchar_t> >( loc ).narrow( *s++, dfault );
  }
  return stm.str();
#else
	std::wstring wstr(s);
  std::string ret;
	narrow(wstr, ret);
  return ret;
#endif
}