IWICImageEncoder::WriteFrameThumbnail method (wincodec.h)

Encodes the image as a thumbnail to the frame given by the IWICBitmapFrameEncode.

Syntax

HRESULT WriteFrameThumbnail(
  [in] ID2D1Image               *pImage,
  [in] IWICBitmapFrameEncode    *pFrameEncode,
  [in] const WICImageParameters *pImageParameters
);

Parameters

[in] pImage

Type: ID2D1Image*

The Direct2D image that will be encoded.

[in] pFrameEncode

Type: IWICBitmapFrameEncode*

The frame encoder on which the thumbnail is set.

[in] pImageParameters

Type: const WICImageParameters*

Additional parameters to control encoding.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

The image passed in must be created on the same device as in IWICImagingFactory2::CreateImageEncoder. If the pImageParameters are not specified, a set of useful defaults will be assumed, see WICImageParameters for more info.

You must correctly and independently have set up the IWICBitmapFrameEncode before calling this API.

Requirements

See also

IWICImageEncoder