QueenEngineDelegate

@protocol QueenEngineDelegate <NSObject>

@optional

/****
 * Called when gesture is detected.
 * @param engine The engine object.
 * @param gestureData The detected gesture data.
 */
- (void)queenEngine:(QueenEngine *)engine didDetectGesture:(QEGestureData *)gestureData;

/****
 * Called when face expression is detected.
 * @param engine The engine object.
 * @param faceExpressionData The detected face expression data.
 */
- (void)queenEngine:(QueenEngine *)engine didDetectFaceExpression:(QEFaceExpressionData *)faceExpressionData;

/****
 * Called when face is detected.
 * @param engine The engine object.
 * @param faceInfoData The detected face data.
 */
- (void)queenEngine:(QueenEngine *)engine didDetectFaceInfo:(QEFaceInfoData *)faceInfoData;

/****
 * Called when auto face shaping.
 * @param engine The engine object.
 * @param autoFaceShapeData The face shaping data.
 */
- (void)queenEngine:(QueenEngine *)engine didChangeAutoFaceShapingStatus:(QEAutoFaceShapeData *)autoFaceShapeData;

@end