绘图函数
(1)直线cvLine函数
其结构
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实例代码
- #include <cv.h>
- #include <highgui.h>
- #include <stdio.h>
-
- int main(int argc, char** argv)
- {
- IplImage *src1;
- src1 = cvLoadImage("10.jpg");
-
- cvLine(src1,cvPoint(20,20),cvPoint(250,250),CV_RGB(255,0,0),8);
-
- cvShowImage( "原图", src1);
- cvWaitKey();
- return 0;
- }
输出结果
(2)矩形cvRectangle函数
其结构
- void cvRectangle(
- CvArr* array,
- CvPoint pt1,
- CvPoint pt2,
- CvScalar color,
- int thickness = 1,
- );
实例代码
- #include <cv.h>
- #include <highgui.h>
- #include <stdio.h>
-
- int main(int argc, char** argv)
- {
- IplImage *src1;
- src1 = cvLoadImage("10.jpg");
-
- cvRectangle(src1,cvPoint(20,20),cvPoint(200,200),CV_RGB(0,255,0),8);
-
- cvShowImage( "原图", src1);
- cvWaitKey();
- return 0;
- }
输出结果
(3)圆形cvCircle函数
其结构
- void cvCircle(
- CvArr* array,
- CvPoint cevter,
- int radius,
- CvScalar color,
- int thickness = 1,
- int connectivity = 8
