opencv/samples/cpp/gencolors.cpp

36 lines
751 B
C++

#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/contrib/contrib.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <cstdio>
#include <iostream>
using namespace cv;
using namespace std;
int main(int argc, char** argv)
{
if( argc != 2 )
{
cout << "Colors count should be passed." << endl;
return -1;
}
int colorsCount = atoi(argv[1]);
vector<Scalar> colors;
theRNG() = (uint64)time(0);
generateColors( colors, colorsCount );
int stripWidth = 20;
Mat strips(300, colorsCount*stripWidth, CV_8UC3);
for( int i = 0; i < colorsCount; i++ )
{
strips.colRange(i*stripWidth, (i+1)*stripWidth) = colors[i];
}
imshow( "strips", strips );
waitKey();
return 0;
}