Added safeguards to check if OpenCV core is available

lagadic · Aug 29, 2023 · 97abac3 · 97abac3
1 parent e8325b4
commit 97abac3
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diff --git a/modules/imgproc/include/visp3/imgproc/vpCircleHoughTransform.h b/modules/imgproc/include/visp3/imgproc/vpCircleHoughTransform.h
@@ -346,10 +346,12 @@ class VISP_EXPORT vpCircleHoughTransform
     */
     vpCircle2D(const vpImagePoint &center, const float &radius) : m_center(center), m_radius(radius) { }
 
+#ifdef HAVE_OPENCV_CORE
     /*!
     * Constructor from an OpenCV vector that contains [center_x, center_y, radius].
     */
     vpCircle2D(const cv::Vec3f &vec) : m_center(vec[1], vec[0]), m_radius(vec[2]) { }
+#endif
 
     /*!
     * Default destructor.
@@ -417,13 +419,15 @@ class VISP_EXPORT vpCircleHoughTransform
 
   // // Detection methods
 
+#ifdef HAVE_OPENCV_CORE
   /**
    * \brief Perform Circle Hough Transform to detect the circles in an OpenCV image.
    *
    * \param[in] I The input gray scale image.
    * \return std::vector<vpCircle2D> The list of 2D circles detected in the image.
    */
   std::vector<vpCircle2D> detect(const cv::Mat &cv_I);
+#endif
 
   /**
    * \brief Convert the input image in a gray-scale image and then

diff --git a/modules/imgproc/src/vpCircleHoughTransform.cpp b/modules/imgproc/src/vpCircleHoughTransform.cpp
@@ -82,13 +82,15 @@ vpCircleHoughTransform::detect(const vpImage<vpRGBa> &I)
   return detect(I_gray);
 }
 
+#ifdef HAVE_OPENCV_CORE
 std::vector<vpCircleHoughTransform::vpCircle2D>
 vpCircleHoughTransform::detect(const cv::Mat &cv_I)
 {
   vpImage<unsigned char> I_gray;
   vpImageConvert::convert(cv_I, I_gray);
   return detect(I_gray);
 }
+#endif
 
 std::vector<vpCircleHoughTransform::vpCircle2D>
 vpCircleHoughTransform::detect(const vpImage<unsigned char> &I, const int &nbCircles)