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IMSVidVideoRenderer::get_MixerBitmapOpacity Method

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This topic applies to Windows XP or later.
The get_MixerBitmapOpacity method retrieves the opacity of the static bitmap image.

Syntax

HRESULT get_MixerBitmapOpacity(
  [out]  int *pOpacity
);

Parameters

  • pOpacity [out]
    Pointer to a variable that receives the opacity, expressed as an integer from 0 (transparent) to 100 (opaque).

Return Value

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Remarks

If the static bitmap image is set, the VMR alpha-blends the bitmap onto the video image, using the opacity given in pOpacity.

Requirements

Header Declared in Dshow.h.
DLL Requires Quartz.dll.

See Also

IMSVidVideoRenderer Interface
IMSVidVideoRenderer::get_MixerBitmap
IMSVidVideoRenderer::put_MixerBitmapOpacity

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Build date: 12/4/2008