• cv::circle《转》


    void circle(CV_IN_OUT Mat& img, Point center, int radius, const Scalar& color, int thickness=1, int lineType=8, int shift=0); 

    img为图像,单通道多通道都行,不需要特殊要求

    center为画圆的圆心坐标

    radius为圆的半径

    color为设定圆的颜色,比如用CV_RGB(255, 0,0)设置为红色, CV_RGB(255, 255,255)设置为白色,CV_RGB(0, 0,0)设置为黑色 

    thickness为设置圆线条的粗细,值越大则线条越粗,为负数则是填充效果

    cv::Mat img = imread("d:\test.jpg",1);
    cv::circle(img,Point(10,10),8,CV_RGB(0,0,0),2);
    imshow("test", img);
    waitKey(0);

    原贴地址:http://www.cnblogs.com/snailgardening/p/circle.html

    ---------------------------------------------------------------------------------------

    cvCircle(CvArr* img, CvPoint center, int radius, CvScalar color, int thickness=1, int lineType=8, int shift=0)

    img为图像指针,单通道多通道都行,不需要特殊要求

    center为画圆的圆心坐标

    radius为圆的半径

    color为设定圆的颜色,比如用CV_RGB(255, 0,0)设置为红色

    thickness为设置圆线条的粗细,值越大则线条越粗,为负数则是填充效果

    --------------------------------------http://blog.163.com/yuhua_kui/blog/static/9679964420141104385570/

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  • 原文地址:https://www.cnblogs.com/wainiwann/p/8677323.html
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