From 9a4fb3c214d03bb3dc452c24a1b2a91cbdcd5e38 Mon Sep 17 00:00:00 2001
From: "N.N." <sevyves@users.sourceforge.net>
Date: Sun, 8 Aug 2010 15:24:58 +0000
Subject: do not draw inexisting contours

svn path=/trunk/externals/pdp_opencv/; revision=13772
---
 pdp_opencv_contours_boundingrect.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdp_opencv_contours_boundingrect.cc b/pdp_opencv_contours_boundingrect.cc
index 97aa06d..a3ae202 100755
--- a/pdp_opencv_contours_boundingrect.cc
+++ b/pdp_opencv_contours_boundingrect.cc
@@ -195,6 +195,8 @@ 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;
+
         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 );
         sprintf( tindex, "%d", im );
-- 
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