From ca8c5b633c5d1748d788e103179edf3a28245b98 Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <no@email>
Date: Tue, 6 Sep 2011 09:31:54 +0000
Subject: [PATCH] minor fixes in stitching module

---
 modules/stitching/include/opencv2/stitching/blenders.hpp            | 2 ++
 modules/stitching/include/opencv2/stitching/exposure_compensate.hpp | 2 ++
 modules/stitching/include/opencv2/stitching/motion_estimators.hpp   | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/modules/stitching/include/opencv2/stitching/blenders.hpp b/modules/stitching/include/opencv2/stitching/blenders.hpp
index d173acc..15b7769 100644
--- a/modules/stitching/include/opencv2/stitching/blenders.hpp
+++ b/modules/stitching/include/opencv2/stitching/blenders.hpp
@@ -51,6 +51,8 @@ namespace cv
 class CV_EXPORTS Blender
 {
 public:
+    virtual ~Blender() {}
+
     enum { NO, FEATHER, MULTI_BAND };
     static Ptr<Blender> createDefault(int type, bool try_gpu = false);
 
diff --git a/modules/stitching/include/opencv2/stitching/exposure_compensate.hpp b/modules/stitching/include/opencv2/stitching/exposure_compensate.hpp
index 7bcc0f0..4a4324b 100644
--- a/modules/stitching/include/opencv2/stitching/exposure_compensate.hpp
+++ b/modules/stitching/include/opencv2/stitching/exposure_compensate.hpp
@@ -50,6 +50,8 @@ namespace cv
 class CV_EXPORTS ExposureCompensator
 {
 public:
+    virtual ~ExposureCompensator() {}
+
     enum { NO, GAIN, GAIN_BLOCKS };
     static Ptr<ExposureCompensator> createDefault(int type);
 
diff --git a/modules/stitching/include/opencv2/stitching/motion_estimators.hpp b/modules/stitching/include/opencv2/stitching/motion_estimators.hpp
index c65fd23..78c822b 100644
--- a/modules/stitching/include/opencv2/stitching/motion_estimators.hpp
+++ b/modules/stitching/include/opencv2/stitching/motion_estimators.hpp
@@ -53,6 +53,8 @@ namespace cv
 class CV_EXPORTS Estimator
 {
 public:
+    virtual ~Estimator() {}
+
     void operator ()(const std::vector<ImageFeatures> &features, const std::vector<MatchesInfo> &pairwise_matches, 
                      std::vector<CameraParams> &cameras)
     {
-- 
2.7.4