Re: [Openexr-devel] RE: UNICODE support in openexr file I/O

[Lutz Latta]

Your test 4 is basically the correct approach, but you need to change 
the MultiByteToWideChar argument CP_ACP (your system's ANSI code page) 
to CP_UTF8. Additionally don't cast the second argument to _wfopen, 
specify it as wide string with  L"wb", or use CreateFileW on Windows.
   Lutz


Nick Porcino wrote:
> TEST FOUR - _wfopen + UTF-8 -> 16 conversion
>
> Finally:
>
>
> using std::wstring;
>
> wstring 
> toWideString( const char* pStr , int len )
> {
>     // figure out how many wide characters we are going to get 
>     int nChars = MultiByteToWideChar( CP_ACP , 0 , pStr , len , NULL , 0 ) ; 
>     if ( len == -1 )
>         -- nChars ; 
>     if ( nChars == 0 )
>         return L"" ;
>
>     wstring buf ;
>     buf.resize( nChars ) ; 
>     MultiByteToWideChar( CP_ACP , 0 , pStr , len , 
>         const_cast<wchar_t*>(buf.c_str()) , nChars ) ; 
>
>     return buf ;
> }
>
> int _tmain(int argc, _TCHAR* argv[])
> {
>     wstring wname = toWideString(name, strlen(name));
>     FILE* x = _wfopen(wname.c_str(), (const wchar_t*)"wb");
>         return 0;
> }
>
> äºéƒ½å¸‚#
>
> (random junk)