/*
* Callback function invoked when an event has been received from the EyeX Engine.
*/
void TX_CALLCONVENTION HandleEvent(TX_CONSTHANDLE hAsyncData, TX_USERPARAM userParam)
{
TX_HANDLE hEvent = TX_EMPTY_HANDLE;
TX_HANDLE hBehavior = TX_EMPTY_HANDLE;
txGetAsyncDataContent(hAsyncData, &hEvent);
// NOTE. Uncomment the following line of code to view the event object. The same function can be used with any interaction object.
//OutputDebugStringA(txDebugObject(hEvent));
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_FIXATIONDATA) == TX_RESULT_OK) {
OnFixationDataEvent(hBehavior);
txReleaseObject(&hBehavior);
}
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_GAZEPOINTDATA) == TX_RESULT_OK) {
OnGazeDataEvent(hBehavior);
txReleaseObject(&hBehavior);
}
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_EYEPOSITIONDATA) == TX_RESULT_OK) {
OnPositionDataEvent(hBehavior);
txReleaseObject(&hBehavior);
}
// NOTE since this is a very simple application with a single interactor and a single data stream,
// our event handling code can be very simple too. A more complex application would typically have to
// check for multiple behaviors and route events based on interactor IDs.
txReleaseObject(&hEvent);
}
void TX_CALLCONVENTION EyeXGaze::FixHandleEvent(TX_CONSTHANDLE hAsyncData)
{
TX_HANDLE hEvent = TX_EMPTY_HANDLE;
TX_HANDLE hBehavior = TX_EMPTY_HANDLE;
// DataContent를 hEvent에 저장
txGetAsyncDataContent(hAsyncData, &hEvent);
//event에서 behavior를 해당 타입대로 추출하여 hBehavior변수에 저장
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_FIXATIONDATA) == TX_RESULT_OK)
{
OnFixationDataEvent(hBehavior);
txReleaseObject(&hBehavior);
}
txReleaseObject(&hEvent);
}
