Fix build with clang 3.5

Obtained from:	https://github.com/Itseez/opencv/pull/3488/
PR:		ports/195727

1 files changed, 123 insertions, 0 deletions

diff --git a/graphics/opencv/files/patch-modules_legacy_src_calibfilter.cpp b/graphics/opencv/files/patch-modules_legacy_src_calibfilter.cpp
new file mode 100644
index 000000000000..cc2e61b81941
--- /dev/null
+++ b/graphics/opencv/files/patch-modules_legacy_src_calibfilter.cpp
@@ -0,0 +1,123 @@
+--- modules/legacy/src/calibfilter.cpp.orig	2014-04-11 10:15:26 UTC
++++ modules/legacy/src/calibfilter.cpp
+@@ -95,11 +95,8 @@ bool CvCalibFilter::SetEtalon( CvCalibEt
+ 
+     Stop();
+ 
+-    if (latestPoints != NULL)
+-    {
+-        for( i = 0; i < MAX_CAMERAS; i++ )
+-            cvFree( latestPoints + i );
+-    }
++    for( i = 0; i < MAX_CAMERAS; i++ )
++        cvFree( latestPoints + i );
+ 
+     if( type == CV_CALIB_ETALON_USER || type != etalonType )
+     {
+@@ -529,64 +526,61 @@ void CvCalibFilter::DrawPoints( CvMat** 
+         return;
+     }
+ 
+-    if( latestCounts )
++    for( i = 0; i < cameraCount; i++ )
+     {
+-        for( i = 0; i < cameraCount; i++ )
++        if( dstarr[i] && latestCounts[i] )
+         {
+-            if( dstarr[i] && latestCounts[i] )
+-            {
+-                CvMat dst_stub, *dst;
+-                int count = 0;
+-                bool found = false;
+-                CvPoint2D32f* pts = 0;
++            CvMat dst_stub, *dst;
++            int count = 0;
++            bool found = false;
++            CvPoint2D32f* pts = 0;
+ 
+-                GetLatestPoints( i, &pts, &count, &found );
++            GetLatestPoints( i, &pts, &count, &found );
+ 
+-                dst = cvGetMat( dstarr[i], &dst_stub );
++            dst = cvGetMat( dstarr[i], &dst_stub );
+ 
+-                static const CvScalar line_colors[] =
+-                {
+-                    {{0,0,255}},
+-                    {{0,128,255}},
+-                    {{0,200,200}},
+-                    {{0,255,0}},
+-                    {{200,200,0}},
+-                    {{255,0,0}},
+-                    {{255,0,255}}
+-                };
++            static const CvScalar line_colors[] =
++            {
++                {{0,0,255}},
++                {{0,128,255}},
++                {{0,200,200}},
++                {{0,255,0}},
++                {{200,200,0}},
++                {{255,0,0}},
++                {{255,0,255}}
++            };
+ 
+-                const int colorCount = sizeof(line_colors)/sizeof(line_colors[0]);
+-                const int r = 4;
+-                CvScalar color = line_colors[0];
+-                CvPoint prev_pt = { 0, 0};
++            const int colorCount = sizeof(line_colors)/sizeof(line_colors[0]);
++            const int r = 4;
++            CvScalar color = line_colors[0];
++            CvPoint prev_pt = { 0, 0};
+ 
+-                for( j = 0; j < count; j++ )
+-                {
+-                    CvPoint pt;
+-                    pt.x = cvRound(pts[j].x);
+-                    pt.y = cvRound(pts[j].y);
++            for( j = 0; j < count; j++ )
++            {
++                CvPoint pt;
++                pt.x = cvRound(pts[j].x);
++                pt.y = cvRound(pts[j].y);
+ 
+-                    if( found )
+-                    {
+-                        if( etalonType == CV_CALIB_ETALON_CHESSBOARD )
+-                            color = line_colors[(j/cvRound(etalonParams[0]))%colorCount];
+-                        else
+-                            color = CV_RGB(0,255,0);
++                if( found )
++                {
++                    if( etalonType == CV_CALIB_ETALON_CHESSBOARD )
++                        color = line_colors[(j/cvRound(etalonParams[0]))%colorCount];
++                    else
++                        color = CV_RGB(0,255,0);
+ 
+-                        if( j != 0 )
+-                            cvLine( dst, prev_pt, pt, color, 1, CV_AA );
+-                    }
++                    if( j != 0 )
++                        cvLine( dst, prev_pt, pt, color, 1, CV_AA );
++                }
+ 
+-                    cvLine( dst, cvPoint( pt.x - r, pt.y - r ),
+-                            cvPoint( pt.x + r, pt.y + r ), color, 1, CV_AA );
++                cvLine( dst, cvPoint( pt.x - r, pt.y - r ),
++                        cvPoint( pt.x + r, pt.y + r ), color, 1, CV_AA );
+ 
+-                    cvLine( dst, cvPoint( pt.x - r, pt.y + r),
+-                            cvPoint( pt.x + r, pt.y - r), color, 1, CV_AA );
++                cvLine( dst, cvPoint( pt.x - r, pt.y + r),
++                        cvPoint( pt.x + r, pt.y - r), color, 1, CV_AA );
+ 
+-                    cvCircle( dst, pt, r+1, color, 1, CV_AA );
++                cvCircle( dst, pt, r+1, color, 1, CV_AA );
+ 
+-                    prev_pt = pt;
+-                }
++                prev_pt = pt;
+             }
+         }
+     }