do not draw inexisting contours

svn path=/trunk/externals/pdp_opencv/; revision=13773

1 files changed, 1 insertions, 1 deletions

diff --git a/pdp_opencv_contours_boundingrect.cc b/pdp_opencv_contours_boundingrect.cc
index a3ae202..ee4f57b 100755
--- a/pdp_opencv_contours_boundingrect.cc
+++ b/pdp_opencv_contours_boundingrect.cc
@@ -195,7 +195,7 @@ static void pdp_opencv_contours_boundingrect_process_rgb(t_pdp_opencv_contours_b
     // draw old contours
     for ( im=0; im<MAX_MARKERS; im++ )
     {
-        if ( x_xmark[im]==-1 ) continue;
+        if ( x->x_xmark[im]==-1 ) continue;
 
         cvRectangle( x->cnt_img, cvPoint((int)(x->x_xmark[im]-x->x_wmark[im]/2),(int)(x->x_ymark[im]-x->x_hmark[im]/2)), 
                                  cvPoint((int)(x->x_xmark[im]+x->x_wmark[im]/2),(int)(x->x_ymark[im]+x->x_hmark[im]/2)), CV_RGB(0,0,255), 2, 8, 0 );