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authorNash <nash@bsd-noobz.com>2014-11-14 00:10:53 +0700
committerNash <nash@bsd-noobz.com>2014-11-14 00:10:53 +0700
commitd3bd05d9f29d7c602d560d59f627760f654a83c7 (patch)
tree6238fad52265527094a13be7a99f829715ef34cf
parentd7fd037c1d85c7eeec7ad331f672fe3edc002e31 (diff)
parent61f48f34b6c30d861fcf49714590739cb7ebc1fd (diff)
Merge pull request #3 from darrensapalo/master
Added some error handling
-rw-r--r--quad-segmentation.cpp30
1 files changed, 18 insertions, 12 deletions
diff --git a/quad-segmentation.cpp b/quad-segmentation.cpp
index bb341cd..17428a1 100644
--- a/quad-segmentation.cpp
+++ b/quad-segmentation.cpp
@@ -37,17 +37,20 @@ void sortCorners(std::vector<cv::Point2f>& corners,
else
bot.push_back(corners[i]);
}
-
- cv::Point2f tl = top[0].x > top[1].x ? top[1] : top[0];
- cv::Point2f tr = top[0].x > top[1].x ? top[0] : top[1];
- cv::Point2f bl = bot[0].x > bot[1].x ? bot[1] : bot[0];
- cv::Point2f br = bot[0].x > bot[1].x ? bot[0] : bot[1];
-
corners.clear();
- corners.push_back(tl);
- corners.push_back(tr);
- corners.push_back(br);
- corners.push_back(bl);
+
+ if (top.size() == 2 && bot.size() == 2){
+ cv::Point2f tl = top[0].x > top[1].x ? top[1] : top[0];
+ cv::Point2f tr = top[0].x > top[1].x ? top[0] : top[1];
+ cv::Point2f bl = bot[0].x > bot[1].x ? bot[1] : bot[0];
+ cv::Point2f br = bot[0].x > bot[1].x ? bot[0] : bot[1];
+
+
+ corners.push_back(tl);
+ corners.push_back(tr);
+ corners.push_back(br);
+ corners.push_back(bl);
+ }
}
int main()
@@ -93,14 +96,17 @@ int main()
std::cout << "The object is not quadrilateral!" << std::endl;
return -1;
}
-
+
// Get mass center
for (int i = 0; i < corners.size(); i++)
center += corners[i];
center *= (1. / corners.size());
sortCorners(corners, center);
-
+ if (corners.size() == 0){
+ std::cout << "The corners were not sorted correctly!" << std::endl;
+ return -1;
+ }
cv::Mat dst = src.clone();
// Draw lines