#keywords C++, Gdi+, Bitmap, Serialize
{{{#!gcode
int GetEncoderClsid(const TCHAR* format, CLSID* pClsid)
{
   UINT num = 0;
   UINT size = 0;

   ImageCodecInfo* pImageCodecInfo = NULL;

   GetImageEncodersSize(&num, &size);
   if(size == 0)
      return -1;  // Failure

   pImageCodecInfo = (ImageCodecInfo*)(malloc(size));
   if (pImageCodecInfo == NULL)
      return -1;  // Failure

   GetImageEncoders(num, size, pImageCodecInfo);

   for (UINT j = 0; j < num; ++j)
   {
      if (_tcscmp(pImageCodecInfo[j].MimeType, format) == 0)
      {
         *pClsid = pImageCodecInfo[j].Clsid;
         free(pImageCodecInfo);
         return j;  // Success
      }    
   }

   free(pImageCodecInfo);
   return -1;  // Failure
}
}}}
{{{#!gcode
// Serialize
HRESULT hr = E_FAIL;
HGLOBAL gGlobal = GlobalAlloc(GMEM_MOVEABLE, 0);
IStream* stream = nullptr;
hr = CreateStreamOnHGlobal(gGlobal, TRUE, &stream);
ASSERT(SUCCEEDED(hr));
CLSID pngClsid;
GetEncoderClsid(_T("image/png"), &pngClsid);
hr = bitmap->Save(stream, &pngClsid, NULL); // bitmap <- Gdiplus::Bitmap
ASSERT(SUCCEEDED(hr));

// 저장된 이미지를 위한 버퍼 할당
LARGE_INTEGER seekPos = { 0, };
ULARGE_INTEGER imageSize = { 0, };
hr = stream->Seek(seekPos, STREAM_SEEK_CUR, &imageSize);
ASSERT(SUCCEEDED(hr));
BYTE* buffer = new BYTE[imageSize.LowPart];

// 스트림으로부터 버퍼 채움
hr = stream->Seek(seekPos, STREAM_SEEK_SET, 0);
ASSERT(SUCCEEDED(hr));
hr = stream->Read(buffer, imageSize.LowPart, 0);
ASSERT(SUCCEEDED(hr));

// buffer <- Serialized data
// ...

// Cleanup
stream->Release();
delete[] buffer;
}}}
{{{#!gcode
// Deserialize
IStream* stream = SHCreateMemStream((BYTE*)buffer, bufferLen);
Bitmap* bitmap = Gdiplus::Bitmap::FromStream(stream);

stream->Release();
delete bitmap;
}}}
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{{{
}}}