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use vector instead of non-standard stack allocation. also correct program argument borkage

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Jason Newton 2012-12-08 21:57:49 -08:00
parent 00bdca7684
commit 6a4d881a78
1 changed files with 3 additions and 3 deletions
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6
samples/cpp/connected_components.cpp
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@ -13,7 +13,7 @@ static void on_trackbar(int, void*)
Mat bw = threshval < 128 ? (img < threshval) : (img > threshval); Mat bw = threshval < 128 ? (img < threshval) : (img > threshval);
Mat labelImage(img.size(), CV_32S); Mat labelImage(img.size(), CV_32S);
int nLabels = connectedComponents(bw, labelImage, 8); int nLabels = connectedComponents(bw, labelImage, 8);
Vec3b colors[nLabels]; std::vector<Vec3b> colors(nLabels);
colors[0] = Vec3b(0, 0, 0);//background colors[0] = Vec3b(0, 0, 0);//background
for(int label = 1; label < nLabels; ++label){ for(int label = 1; label < nLabels; ++label){
colors[label] = Vec3b( (rand()&255), (rand()&255), (rand()&255) ); colors[label] = Vec3b( (rand()&255), (rand()&255), (rand()&255) );
@ -41,14 +41,14 @@ static void help()
const char* keys = const char* keys =
{ {
"{@image |stuff.jpg|image for converting to a grayscale}" "{@image|stuff.jpg|image for converting to a grayscale}"
}; };
int main( int argc, const char** argv ) int main( int argc, const char** argv )
{ {
help(); help();
CommandLineParser parser(argc, argv, keys); CommandLineParser parser(argc, argv, keys);
string inputImage = parser.get<string>(1); string inputImage = parser.get<string>("@image");
img = imread(inputImage.c_str(), 0); img = imread(inputImage.c_str(), 0);
if(img.empty()) if(img.empty())