Removed the cvMinEnclosingTriangle function since the C API will be deprecated…

Removed the cvMinEnclosingTriangle function since the C API will be deprecated starting with OpenCV 3.0

modules/imgproc/doc/structural_analysis_and_shape_descriptors.rst

@@ -572,19 +572,15 @@ Finds a triangle of minimum area enclosing a 2D point set.
 
 .. ocv:pyfunction:: cv2.minEnclosingTriangle(points[, triangle]) -> triangle, area
 
-.. ocv:cfunction:: void cvMinEnclosingTriangle( const CvArr* points, CvArr* triangle, double* area )
-
     :param points: Input vector of 2D points with depth ``CV_32S`` or ``CV_32F``, stored in:
 
             * ``std::vector<>`` or ``Mat`` (C++ interface)
 
-            * ``CvSeq*`` or ``CvMat*`` (C interface)
-
             * Nx2 numpy array (Python interface)
 
     :param triangle: Output vector of three 2D points defining the vertices of the triangle. The depth of the OutputArray must be ``CV_32F``.
 
-    :param area: The area of the minimum enclosing triangle. The ``C`` interface of the function allows providing a ``NULL`` pointer for this parameter in order for the value of the area not to be returned.
+    :param area: The area of the minimum enclosing triangle.
 
 The output for a given 2D point set is shown in the image below. The 2D points are depicted in *red* and the enclosing triangle in *yellow*.
 
@@ -717,9 +713,9 @@ See below a sample output of the function where each image pixel is tested again
 
 .. [Hu62] M. Hu. *Visual Pattern Recognition by Moment Invariants*, IRE Transactions on Information Theory, 8:2, pp. 179-187, 1962.
 
-.. [KleeLaskowski85] Klee, V. and Laskowski, M.C., *Finding the smallest triangles containing a given convex polygon*, Journal of Algorithms, vol. 6, no. 3, pp. 359–375 (1985)
+.. [KleeLaskowski85] Klee, V. and Laskowski, M.C., *Finding the smallest triangles containing a given convex polygon*, Journal of Algorithms, vol. 6, no. 3, pp. 359-375 (1985)
 
-.. [ORourke86] O’Rourke, J., Aggarwal, A., Maddila, S., and Baldwin, M., *An optimal algorithm for finding minimal enclosing triangles*, Journal of Algorithms, vol. 7, no. 2, pp. 258–269 (1986)
+.. [ORourke86] O’Rourke, J., Aggarwal, A., Maddila, S., and Baldwin, M., *An optimal algorithm for finding minimal enclosing triangles*, Journal of Algorithms, vol. 7, no. 2, pp. 258-269 (1986)
 
 .. [Sklansky82] Sklansky, J., *Finding the Convex Hull of a Simple Polygon*. PRL 1 $number, pp 79-83 (1982)
 

modules/imgproc/include/opencv2/imgproc/imgproc_c.h

@@ -377,10 +377,6 @@ CVAPI(double)  cvContourArea( const CvArr* contour,
 CVAPI(CvBox2D)  cvMinAreaRect2( const CvArr* points,
                                 CvMemStorage* storage CV_DEFAULT(NULL));
 
-/* Finds minimum enclosing triangle for a set of points */
-CVAPI(void) cvMinEnclosingTriangle( const CvArr* points,
-                                    CvArr* triangle, double* area );
-
 /* Finds minimum enclosing circle for a set of points */
 CVAPI(int)  cvMinEnclosingCircle( const CvArr* points,
                                   CvPoint2D32f* center, float* radius );

modules/imgproc/src/min_enclosing_triangle.cpp

@@ -1311,28 +1311,3 @@ static bool lessOrEqual(double number1, double number2) {
 }
 
 };
\ No newline at end of file
-
-
-////////////////////////////////////////////// C API ///////////////////////////////////////////
-
-
-//! Find the minimum enclosing triangle and its area for the given set of points
-/*!
-* @param points         Set of points
-* @param triangle       Minimum area triangle enclosing the given set of points
-* @param area           Area of the minimum area enclosing triangle
-*/
-CV_IMPL void
-cvMinEnclosingTriangle( const CvArr* _points, CvArr* _triangle, double* _area ) {
-    cv::Mat points = cv::cvarrToMat(_points);
-    cv::Mat triangle = cv::cvarrToMat(_triangle);
-    double area = 0;
-
-    cv::minEnclosingTriangle(points, triangle, area);
-
-    if (_area) {
-        *_area = area;
-    }
-}
-
-/* End of file. */