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#include <iostream>
#include <cv.h>
#include <highgui.h>
int main()
{
uchar data[10000] = {0};
CvMat mat;
cvInitMatHeader(&mat, 100, 100, CV_8UC3, data);
cvCircle(&mat, cvPoint(50, 50), 10, CV_RGB(255, 0 , 0));
cvNamedWindow("circle", CV_WINDOW_AUTOSIZE);
cvShowImage("circle", &mat);
cvWaitKey();
cvDestroyWindow("circle");
return 0;
}
cvCircle(&mat, cvPoint(50, 50), 10, CV_RGB(255, 0 , 0));
这就话出错的