标签:style color ar sp div art c on r
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,不须要特殊要求
center为画圆的圆心坐标
radius为圆的半径
color为设定圆的颜色,比方用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
标签:style color ar sp div art c on r
原文地址:http://www.cnblogs.com/lcchuguo/p/4008150.html