This function determines if the Lens effect filter is available and turns off the effect area (cropping feature).
// This function checks if the Lens effect filter is available
// and turns off the effect area (cropping feature)
void TurnOffLensCropping(IltmmCapture *pCapture)
{
HRESULT hr;
IDispatch *pDisp = NULL;
ILMVLens *pLens = NULL;
// call the Capture object to retrieve the selected video processor
hr = pCapture->GetSubObjectDispatch(ltmmCapture_Object_SelVideoProcessor, &pDisp);
if(SUCCEEDED(hr))
{
// see if the selected processor is the Lens Effect processor
hr = pDisp->QueryInterface(IID_ILMVLens, (void**)&pLens);
if(SUCCEEDED(hr))
{
// disable the effect
pLens->put_EffectAreaEnabled(VARIANT_FALSE);
// release the object
pLens->Release();
}
// release the sub object
pDisp->Release();
}
}
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Medical Web Viewer .NET
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