fixed some more MSVC2010 warnings

modules/calib3d/include/opencv2/calib3d/compat_c.h

@@ -49,6 +49,11 @@
 extern "C" {
 #endif
 
+#if !defined __cplusplus && defined _MSC_VER && _MSC_VER >= 1400
+    #pragma warning(push)
+    #pragma warning(disable: 4100)
+#endif
+
 /* Find fundamental matrix */
 CV_INLINE  void  cvFindFundamentalMatrix( int* points1, int* points2,
                             int numpoints, int CV_UNREFERENCED(method), float* matrix )
@@ -270,6 +275,9 @@ CV_INLINE void  cvProjectPointsSimple( int point_count, CvPoint3D64f* _object_po
 
 #define cvConvertPointsHomogenious cvConvertPointsHomogeneous
 
+#if !defined __cplusplus && defined _MSC_VER && _MSC_VER >= 1400
+    #pragma warning(pop)
+#endif
 
 #ifdef __cplusplus
 }

modules/imgproc/include/opencv2/imgproc/compat_c.h

@@ -63,6 +63,11 @@ extern "C" {
     #define CV_UNREFERENCED(arg) arg
 #endif
 
+#if !defined __cplusplus && defined _MSC_VER && _MSC_VER >= 1400
+    #pragma warning(push)
+    #pragma warning(disable: 4100)
+#endif
+
 typedef int CvMatType;
 typedef int CvDisMaskType;
 typedef CvMat CvMatArray;
@@ -871,6 +876,10 @@ CV_INLINE void  cvUnDistort( const CvArr* src, CvArr* dst,
     cvUnDistortOnce( src, dst, a, data.fl + 4, 1 );
 }
 
+#if !defined __cplusplus && defined _MSC_VER && _MSC_VER >= 1400
+    #pragma warning(pop)
+#endif
+
 #ifdef __cplusplus
 }
 #endif

samples/c/fback.cpp

@@ -6,7 +6,7 @@
 using namespace cv;
 
 void drawOptFlowMap(const Mat& flow, Mat& cflowmap, int step,
-                    double scale, const Scalar& color)
+                    double, const Scalar& color)
 {
     for(int y = 0; y < cflowmap.rows; y += step)
         for(int x = 0; x < cflowmap.cols; x += step)
@@ -18,7 +18,7 @@ void drawOptFlowMap(const Mat& flow, Mat& cflowmap, int step,
         }
 }
 
-int main(int argc, char** argv)
+int main(int, char**)
 {
     VideoCapture cap(0);
     

samples/c/find_obj_calonder.cpp

@@ -1,5 +1,7 @@
 //Calonder descriptor sample
+#include <stdio.h>
 
+#if 0
 #include <cxcore.h>
 #include <cv.h>
 #include <cvaux.h>
@@ -84,13 +86,14 @@ float CalcAffineReprojectionError(const vector<CvPoint>& p1, const vector<CvPoin
     
     return error;
 }
+#endif
 
-
-int main( int argc, char** argv )
+int main( int, char** )
 {
 	printf("calonder_sample is under construction\n");
 	return 0;
 
+#if 0
 	IplImage* test_image;
 	IplImage* train_image;
 	if (argc < 3)
@@ -302,4 +305,5 @@ int main( int argc, char** argv )
 	cvReleaseImage(&test_image);
 
 	return 0;
+#endif
 }

samples/c/grabcut.cpp

@@ -149,7 +149,7 @@ void GCApplication::setLblsInMask( int flags, Point p, bool isPr )
     }
 }
 
-void GCApplication::mouseClick( int event, int x, int y, int flags, void* param )
+void GCApplication::mouseClick( int event, int x, int y, int flags, void* )
 {
     // TODO add bad args check
     switch( event )

samples/c/watershed.cpp

@@ -14,7 +14,7 @@ IplImage* markers = 0;
 IplImage* img0 = 0, *img = 0, *img_gray = 0, *wshed = 0;
 CvPoint prev_pt = {-1,-1};
 
-void on_mouse( int event, int x, int y, int flags, void* param )
+void on_mouse( int event, int x, int y, int flags, void* )
 {
     if( !img )
         return;

samples/cpp/calibration.cpp

@@ -54,7 +54,7 @@ static double computeReprojectionErrors(
                       cameraMatrix, distCoeffs, imagePoints2);
         err = norm(Mat(imagePoints[i]), Mat(imagePoints2), CV_L1 );
         int n = (int)objectPoints[i].size();
-        perViewErrors[i] = err/n;
+        perViewErrors[i] = (float)(err/n);
         totalErr += err;
         totalPoints += n;
     }
@@ -94,8 +94,7 @@ static bool runCalibration( vector<vector<Point2f> > imagePoints,
     calibrateCamera(objectPoints, imagePoints, imageSize, cameraMatrix,
                     distCoeffs, rvecs, tvecs, flags);
     
-    bool ok = checkRange( cameraMatrix, CV_CHECK_QUIET ) &&
-            checkRange( distCoeffs, CV_CHECK_QUIET );
+    bool ok = checkRange(cameraMatrix) && checkRange(distCoeffs);
     
     totalAvgErr = computeReprojectionErrors(objectPoints, imagePoints,
                 rvecs, tvecs, cameraMatrix, distCoeffs, reprojErrs);

samples/cpp/contours2.cpp

@@ -10,7 +10,7 @@ int levels = 3;
 vector<vector<Point> > contours;
 vector<Vec4i> hierarchy;
 
-void on_trackbar(int pos, void*)
+void on_trackbar(int, void*)
 {
 	Mat cnt_img = Mat::zeros(w, w, CV_8UC3);
     int _levels = levels - 3;
@@ -20,7 +20,7 @@ void on_trackbar(int pos, void*)
     imshow("contours", cnt_img);
 }
 
-int main( int argc, char** argv )
+int main( int, char** )
 {
     Mat img = Mat::zeros(w, w, CV_8UC1);
 

samples/cpp/generic_descriptor_match.cpp

@@ -86,7 +86,7 @@ IplImage* DrawCorrespondences(IplImage* img1, const vector<KeyPoint>& features1,
 
     for (size_t i = 0; i < features2.size(); i++)
     {
-        CvPoint pt = cvPoint(features2[i].pt.x + img1->width, features2[i].pt.y);
+        CvPoint pt = cvPoint(cvRound(features2[i].pt.x + img1->width), cvRound(features2[i].pt.y));
         cvCircle(img_corr, pt, 3, CV_RGB(255, 0, 0));
         cvLine(img_corr, features1[desc_idx[i]].pt, pt, CV_RGB(0, 255, 0));
     }

samples/cpp/segment_objects.cpp

@@ -88,7 +88,7 @@ int main(int argc, char** argv)
         refineSegments(tmp_frame, bgmask, out_frame);
         imshow("video", tmp_frame);
         imshow("segmented", out_frame);
-        char keycode = waitKey(30);
+        int keycode = waitKey(30);
         if( keycode == 27 )
             break;
         if( keycode == ' ' )

samples/cpp/select3dobj.cpp

@@ -61,7 +61,7 @@ static Point3f image2plane(Point2f imgpt, const Mat& R, const Mat& tvec,
     R1.col(2) = R1.col(2)*Z + tvec;
     Mat_<double> v = (cameraMatrix*R1).inv()*(Mat_<double>(3,1) << imgpt.x, imgpt.y, 1);
     double iw = fabs(v(2,0)) > DBL_EPSILON ? 1./v(2,0) : 0;
-    return Point3f(v(0,0)*iw, v(1,0)*iw, Z);
+    return Point3f((float)(v(0,0)*iw), (float)(v(1,0)*iw), (float)Z);
 }
 
 
@@ -192,7 +192,7 @@ static int select3DBox(const string& windowname, const string& selWinName, const
                 projectPoints(Mat(tempobj), rvec, tvec, cameraMatrix, Mat(), tempimg);
                 
                 Point2f a = imgpt[nearestIdx], b = tempimg[0], d1 = b - a, d2 = m - a;
-                float n1 = norm(d1), n2 = norm(d2);
+                float n1 = (float)norm(d1), n2 = (float)norm(d2);
                 if( n1*n2 < eps )
                     imgpt[npt] = a;
                 else
@@ -458,7 +458,7 @@ int main(int argc, char** argv)
     vector<Point3f> box, boardPoints;
     
     readModelViews(indexFilename, box, capturedImgList, roiList, poseList);
-    calcChessboardCorners(boardSize, squareSize, boardPoints);
+    calcChessboardCorners(boardSize, (float)squareSize, boardPoints);
     int frameIdx = 0;
     bool grabNext = !imageList.empty();
 	

tests/cv/src/adetectordescriptor_evaluation.cpp

@@ -1500,10 +1500,8 @@ void OneWayDescriptorQualityTest::processRunParamsFile ()
     int poseCount = fn["poseCount"];
 
     if (trainImagesList.length () == 0 )
-    {
         return;
-        fs.release ();
-    }
+
     fs.release ();
 
     readAllDatasetsRunParams();

tests/cv/src/astereomatching.cpp

@@ -285,8 +285,9 @@ float dispRMS( const Mat& computedDisp, const Mat& groundTruthDisp, const Mat& m
   Calculate fraction of bad matching pixels.
 */
 float badMatchPxlsFraction( const Mat& computedDisp, const Mat& groundTruthDisp, const Mat& mask,
-                              int badThresh = EVAL_BAD_THRESH )
+                            float _badThresh = EVAL_BAD_THRESH )
 {
+    int badThresh = cvRound(_badThresh);
     checkTypeAndSizeOfDisp( groundTruthDisp, 0 );
     Size sz = groundTruthDisp.size();
     checkTypeAndSizeOfDisp( computedDisp, &sz );
@@ -477,10 +478,10 @@ void CV_StereoMatchingTest::run(int)
     ts->set_failed_test_info( code );
 }
 
-void calcErrors( const Mat& leftImg, const Mat& rightImg,
+void calcErrors( const Mat& leftImg, const Mat& /*rightImg*/,
                  const Mat& trueLeftDisp, const Mat& trueRightDisp,
                  const Mat& trueLeftUnknDispMask, const Mat& trueRightUnknDispMask,
-                 const Mat& calcLeftDisp, const Mat& calcRightDisp,
+                 const Mat& calcLeftDisp, const Mat& /*calcRightDisp*/,
                  vector<float>& rms, vector<float>& badPxlsFractions,
                  const QualityEvalParams& qualityEvalParams )
 {
@@ -686,7 +687,7 @@ protected:
     }
 
     virtual int runStereoMatchingAlgorithm( const Mat& _leftImg, const Mat& _rightImg,
-                   Mat& leftDisp, Mat& rightDisp, int caseIdx )
+                   Mat& leftDisp, Mat& /*rightDisp*/, int caseIdx )
     {
         RunParams params = caseRunParams[caseIdx];
         assert( params.ndisp%16 == 0 );
@@ -805,7 +806,7 @@ protected:
     }
 
     virtual int runStereoMatchingAlgorithm( const Mat& leftImg, const Mat& rightImg,
-                   Mat& leftDisp, Mat& rightDisp, int caseIdx )
+                   Mat& leftDisp, Mat& /*rightDisp*/, int caseIdx )
     {
         RunParams params = caseRunParams[caseIdx];
         assert( params.ndisp%16 == 0 );