added CameraInfo class into opencv_stitching

modules/stitching/camera.cpp

@@ -0,0 +1,31 @@
+#include <fstream>
+#include "camera.hpp"
+
+using namespace std;
+using namespace cv;
+
+
+CameraInfo CameraInfo::load(const string &path)
+{
+    FileStorage fs(path, FileStorage::READ);
+    CV_Assert(fs.isOpened());
+
+    CameraInfo cam;
+    if (!fs["R"].isNone())
+        fs["R"] >> cam.R;
+    if (!fs["K"].isNone())
+        fs["K"] >> cam.K;
+    return cam;
+}
+
+
+void CameraInfo::save(const string &path)
+{
+    FileStorage fs(path, FileStorage::WRITE);
+    CV_Assert(fs.isOpened());
+
+    if (!R.empty())
+        fs << "R" << R;
+    if (!K.empty())
+        fs << "K" << K;
+}

modules/stitching/camera.hpp

@@ -0,0 +1,58 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+#ifndef __OPENCV_CAMERA_HPP__
+#define __OPENCV_CAMERA_HPP__
+
+#include "precomp.hpp"
+
+
+class CameraInfo
+{
+public:
+    static CameraInfo load(const std::string &path);
+    void save(const std::string &path);
+
+    cv::Mat R;
+    cv::Mat K;
+};
+
+#endif // #ifndef __OPENCV_CAMERA_HPP__

modules/stitching/main.cpp

@@ -56,6 +56,7 @@
 #include "seam_finders.hpp"
 #include "motion_estimators.hpp"
 #include "exposure_compensate.hpp"
+#include "camera.hpp"
 
 using namespace std;
 using namespace cv;