opencv c++学习五（创建形状 添加文本）

opencv c++学习五（创建形状 添加文本）

目录

1.添加小圆圈

2.添加小矩形

3.添加线段

 4.添加文本

---

1.添加小圆圈

#include 
#include 
#include 
#include 

using namespace cv;
using namespace std;

int main() {
	Mat img(512, 512, CV_8UC3, Scalar(255, 255, 255));

	
	
	circle(img, Point(256, 256), 155, Scalar(100, 200, 0), 5);

	imshow("Image", img);
	waitKey(0);
	return 0;
}

 

 来一个全填充满的图

2.添加小矩形

#include 
#include 
#include 
#include 

using namespace cv;
using namespace std;

int main() {
	Mat img(512, 512, CV_8UC3, Scalar(255, 255, 255));

	
	
	circle(img, Point(256, 256), 155, Scalar(100, 200, 0), FILLED);

	
    
	rectangle(img, Point(130, 226), Point(382, 286), Scalar(255, 255, 255), FILLED);
	imshow("Image", img);
	waitKey(0);
	return 0;
}

3.添加线段

#include 
#include 
#include 
#include 

using namespace cv;
using namespace std;

int main() {
	Mat img(512, 512, CV_8UC3, Scalar(255, 255, 255));

	
	
	circle(img, Point(256, 256), 155, Scalar(100, 200, 0), FILLED);

	
	rectangle(img, Point(130, 226), Point(382, 286), Scalar(255, 255, 255), FILLED);

	
	line(img, Point(130, 296), Point(382, 296), Scalar(255, 255, 255), 2);

	imshow("Image", img);
	waitKey(0);
	return 0;
}

 4.添加文本

#include 
#include 
#include 
#include 

using namespace cv;
using namespace std;

int main() {
	Mat img(512, 512, CV_8UC3, Scalar(255, 255, 255));

	
	
	circle(img, Point(256, 256), 155, Scalar(100, 200, 0), FILLED);

	
	rectangle(img, Point(130, 226), Point(382, 286), Scalar(255, 255, 255), FILLED);

	
	line(img, Point(130, 296), Point(382, 296), Scalar(255, 255, 255), 2);

	
	
	putText(img, "Heihei_study", Point(157, 262), FONT_HERSHEY_DUPLEX, 1, Scalar(100, 200, 0), 2);

	imshow("Image", img);
	waitKey(0);
	return 0;
}