IImageRecompress::RecompressImage method (shobjidl.h)
Recompresses an image. Implemented in an ImageRecompress object, this method accepts x and y dimensions with a designation of quality. The method creates a stream containing the new image that has been recompressed to the specified size.
Syntax
HRESULT RecompressImage(
[in] IShellItem *psi,
[in] int cx,
[in] int cy,
[in] int iQuality,
[in] IStorage *pstg,
[in, out] IStream **ppstrmOut
);
Parameters
[in] psi
Type: IShellItem*
A pointer to the object containing the stream of the image to read.
[in] cx
Type: int
The x dimension of the image to return.
[in] cy
Type: int
The y dimension of the image to return.
[in] iQuality
Type: int
An indication of recompression quality that can range from 0 to 100.
[in] pstg
Type: IStorage*
A pointer to an IStorage interface on the object that contains the stream to be written to.
[in, out] ppstrmOut
Type: IStream**
The address of an IStream interface pointer variable that receives the output stream written to.
Return value
Type: HRESULT
Returns S_OK if successful, or a COM-defined error code otherwise. If the image in the input stream is less than the size specified by cx and cy, then S_FALSE is returned.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | shobjidl.h |
| DLL | Shimgvw.dll |