Changed interface for drawMatches

modules/features2d/include/opencv2/features2d/features2d.hpp

@@ -2137,9 +2137,9 @@ struct CV_EXPORTS DrawMatchesFlags
 };
 
 // Draws matches of keypints from two images on output image.
-CV_EXPORTS void drawMatches( const Mat& img1, const Mat& img2,
-                             const vector<KeyPoint>& keypoints1, const vector<KeyPoint>& keypoints2,
-                             const vector<int>& matches, const vector<char>& mask, Mat& outImg,
+CV_EXPORTS void drawMatches( const Mat& img1, const vector<KeyPoint>& keypoints1,
+							 const Mat& img2, const vector<KeyPoint>& keypoints2,
+                             const vector<int>& matches, Mat& outImg, const vector<char>& mask = vector<char>(),
                              const Scalar& matchColor = Scalar::all(-1), const Scalar& singlePointColor = Scalar::all(-1),
                              int flags = DrawMatchesFlags::DEFAULT );
 

modules/features2d/src/descriptors.cpp

@@ -45,9 +45,9 @@ using namespace std;
 namespace cv
 {
 
-CV_EXPORTS void drawMatches( const Mat& img1, const Mat& img2,
-                             const vector<KeyPoint>& keypoints1, const vector<KeyPoint>& keypoints2,
-                             const vector<int>& matches, const vector<char>& mask, Mat& outImg,
+CV_EXPORTS void drawMatches( const Mat& img1, const vector<KeyPoint>& keypoints1,
+							 const Mat& img2,const vector<KeyPoint>& keypoints2,
+                             const vector<int>& matches, Mat& outImg, const vector<char>& mask,
                              const Scalar& matchColor, const Scalar& singlePointColor,
                              int flags )
 {

samples/cpp/descriptor_extractor_matcher.cpp

@@ -98,7 +98,7 @@ void doIteration( const Mat& img1, Mat& img2, bool isWarpPerspective,
                 mask[i1] = 1;
         }
         // draw inliers
-        drawMatches( img1, img2, keypoints1, keypoints2, matches, mask, drawImg, CV_RGB(0, 255, 0), CV_RGB(0, 0, 255) );
+        drawMatches( img1, keypoints1, img2, keypoints2, matches, drawImg, mask, CV_RGB(0, 255, 0), CV_RGB(0, 0, 255) );
         // draw outliers
         /*for( size_t i1 = 0; i1 < mask.size(); i1++ )
             mask[i1] = !mask[i1];
@@ -107,7 +107,7 @@ void doIteration( const Mat& img1, Mat& img2, bool isWarpPerspective,
     }
     else
     {
-        drawMatches( img1, img2, keypoints1, keypoints2, matches, vector<char>(), drawImg, CV_RGB(0, 255, 0) );
+        drawMatches( img1, keypoints1, img2, keypoints2, matches, drawImg, vector<char>(), CV_RGB(0, 255, 0) );
     }
 
     imshow( winName, drawImg );

samples/cpp/matcher_simple.cpp

@@ -42,7 +42,7 @@ int main(int argc, char** argv)
 	// drawing the results
 	namedWindow("matches", 1);
 	Mat img_matches;
-	drawMatches(img1, img2, keypoints1, keypoints2, matches, vector<char>(), img_matches);
+	drawMatches(img1, keypoints1, img2, keypoints2, matches, img_matches);
 	imshow("matches", img_matches);
 	waitKey(0);