Saves an image to the specified stream or file on disk.

HRESULT Save(
   IStream* pStream,
   REFGUID guidFileType
) const throw();
HRESULT Save(
   LPCTSTR pszFileName,
   REFGUID guidFileType= GUID_NULL
) const throw();

Parameters

pStream

A pointer to a COM IStream object containing the file image data.

pszFileName

A pointer to the file name for the image.

guidFileType

The file type to save the image as. Can be one of the following:

• ImageFormatBMP   An uncompressed bitmap image.

• ImageFormatPNG   A Portable Network Graphic (PNG) compressed image.

• ImageFormatJPEG   A JPEG compressed image.

• ImageFormatGIF   A GIF compressed image.

Note
For a complete list of constants, see Image File Format Constants in the Platform SDK.

// Demonstrating saving various file formats
int _tmain(int argc, _TCHAR* argv[])
{
   CImage myimage;
   // load existing image
   myimage.Load("image.bmp"); 
      // save an image in BMP format
   myimage.Save("c:\image1.bmp");
   // save an image in BMP format
   myimage.Save("c:\image2",ImageFormatBMP);
   // save an image in JPEG format
   myimage.Save("c:\image3.jpg");
   // save an image in BMP format, even though jpg file extension is used
   myimage.Save("c:\image4.jpg",ImageFormatBMP);
   return 0;
}