updated code to use mapper->SetInput instead of SetInputConnection. All widgets except plane, images ans texts

modules/core/include/opencv2/core/affine.hpp

@@ -113,6 +113,8 @@ namespace cv
 
         template <typename Y> operator Affine3<Y>() const;
 
+        template <typename Y> Affine3<Y> cast() const;
+
         Mat4 matrix;
 
 #if defined EIGEN_WORLD_VERSION && defined EIGEN_GEOMETRY_MODULE_H
@@ -421,6 +423,12 @@ cv::Affine3<T>::operator Affine3<Y>() const
     return Affine3<Y>(matrix);
 }
 
+template<typename T> template <typename Y> inline
+cv::Affine3<Y> cv::Affine3<T>::cast() const
+{
+    return Affine3<Y>(matrix);
+}
+
 template<typename T> inline
 cv::Affine3<T> cv::operator*(const cv::Affine3<T>& affine1, const cv::Affine3<T>& affine2)
 {