#include<opencv2\opencv.hpp>
#include<opencv2\highgui\highgui.hpp>
#include<opencv2\imgproc\imgproc.hpp>

using namespace cv;
#define WINDOW_WIDTH 600
#define windowName “繪製圖”
#define WindowName “空空如野”

//橢圓的畫法
void DrawEllipse(Mat img,double angle)
{
int thickness=2;//線寬是2
int lineType=8; //線形式聯通的
ellipse(img,Point(WINDOW_WIDTH/2,WINDOW_WIDTH/2),Size(WINDOW_WIDTH/4,WINDOW_WIDTH/16),angle,0,360,Scalar(0,0,255),thickness,lineType);
}
//實心橢圓的畫法
void DrawHellipse(Mat img,double angle)
{
int thickness=-1; //線粗是-1代表的是實心
int lineType=8 ; //線形是聯通的
ellipse(img,Point(WINDOW_WIDTH/2,WINDOW_WIDTH/2),Size(WINDOW_WIDTH/4,WINDOW_WIDTH/16),angle,0,360,Scalar(255,0,0),thickness,lineType);

}
//圓的畫法
void DrawCircle(Mat img,Point center)
{
int thickness=2;
int lineType=8;
circle(img,center,WINDOW_WIDTH/32,Scalar(0,255,0),thickness,lineType);//第二個引數是定義圓心，第三個引數是定義圓的半徑
}
//實心圓的畫法
void DrawFillCircle(Mat img,Point center)
{
int thickness=-1;
int lineType=8;
circle(img,center,WINDOW_WIDTH/10,Scalar(0,255,0),thickness,lineType);
}
//矩形的畫法
void DrawRectangle(Mat img,Point start,Point end)
{ int thickness=2;
int lineType=8;
rectangle(img,start,end,Scalar(0,255,0),thickness,lineType);
}
//實心矩形的畫法
void DrawFullrectangle(Mat img,Point start,Point end)
{
int thickness=-1;
int lineType=8;
rectangle(img,start,end,Scalar(255,255,0),thickness,lineType);
}
//線的畫法
void DrawLine(Mat img,Point start,Point end)
{
int thickness=2;
int lineType=8;
line(img,start,end,Scalar(255,255,255),thickness,lineType);

}
//自定義繪製函式的編寫，實現凹多邊形的繪製
void DrawPolygon(Mat img)
{ int lineType=8;
Point rookPoints[1][20];
rookPoints[0][0]=Point(WINDOW_WIDTH/4,7WINDOW_WIDTH/8);
rookPoints[0][1]=Point(3WINDOW_WIDTH/4,7WINDOW_WIDTH/8);
rookPoints[0][2]=Point(3WINDOW_WIDTH/4,13WINDOW_WIDTH/16);
rookPoints[0][3]=Point(11WINDOW_WIDTH/16,13WINDOW_WIDTH/16);
rookPoints[0][4]=Point(19

WINDOW_WIDTH/32,3WINDOW_WIDTH/8);
rookPoints[0][5]=Point(3WINDOW_WIDTH/4,3WINDOW_WIDTH/8);
rookPoints[0][6]=Point(3WINDOW_WIDTH/4,1WINDOW_WIDTH/8);
rookPoints[0][7]=Point(26WINDOW_WIDTH/40,1WINDOW_WIDTH/8);
rookPoints[0][8]=Point(26WINDOW_WIDTH/40,1WINDOW_WIDTH/4);
rookPoints[0][9]=Point(22WINDOW_WIDTH/40,1WINDOW_WIDTH/4);
rookPoints[0][10]=Point(22WINDOW_WIDTH/40,1WINDOW_WIDTH/8);
rookPoints[0][11]=Point(18WINDOW_WIDTH/40,1WINDOW_WIDTH/8);
rookPoints[0][12]=Point(18WINDOW_WIDTH/40,1WINDOW_WIDTH/4);
rookPoints[0][13]=Point(14WINDOW_WIDTH/40,1WINDOW_WIDTH/4);
rookPoints[0][14]=Point(14WINDOW_WIDTH/40,1WINDOW_WIDTH/8);
rookPoints[0][15]=Point(1WINDOW_WIDTH/4,1WINDOW_WIDTH/8);
rookPoints[0][16]=Point(1WINDOW_WIDTH/4,3WINDOW_WIDTH/8);
rookPoints[0][17]=Point(13WINDOW_WIDTH/32,3WINDOW_WIDTH/8);
rookPoints[0][18]=Point(5WINDOW_WIDTH/16,13WINDOW_WIDTH/16);
rookPoints[0][19]=Point(1WINDOW_WIDTH/4,13WINDOW_WIDTH/16);//20個數據點
const Point ppt[1] = {rookPoints[0]};
int npt[]={20};
fillPoly(img,ppt,npt,1,Scalar(0,0,255),lineType);//ppt多邊形的頂點集，npt為多邊形的頂點數
}//自定義多邊形的繪製當我們需要幾邊形的時候需要對點的選取

int main()
{
Mat img1=Mat::zeros(WINDOW_WIDTH,WINDOW_WIDTH,CV_8UC3);
Mat img2=Mat::zeros(WINDOW_WIDTH,WINDOW_WIDTH,CV_8UC3);
//DrawEllipse(img1,0);
//DrawHellipse(img1,0);
//DrawCircle(img1,Point(WINDOW_WIDTH/4,WINDOW_WIDTH/4));
//DrawFillCircle(img1,Point(WINDOW_WIDTH/2,WINDOW_WIDTH/2));
// DrawLine(img1,Point(WINDOW_WIDTH/2,WINDOW_WIDTH/2),Point(WINDOW_WIDTH/4,WINDOW_WIDTH/4));
//DrawRectangle(img1,Point(0,WINDOW_WIDTH/2),Point(WINDOW_WIDTH,WINDOW_WIDTH));
//DrawFullrectangle(img1,Point(0,0),Point(WINDOW_WIDTH/2,WINDOW_WIDTH/2));
DrawPolygon(img1);
//imshow(windowName,img1);
DrawFullrectangle(img1,Point(0,WINDOW_WIDTH/2),Point(WINDOW_WIDTH,WINDOW_WIDTH));
DrawLine(img1,Point(0,15WINDOW_WIDTH/16),Point(WINDOW_WIDTH,15WINDOW_WIDTH/16));
DrawLine(img1,Point(WINDOW_WIDTH/2,7WINDOW_WIDTH/8),Point(WINDOW_WIDTH/2,WINDOW_WIDTH));
DrawLine(img1,Point(3WINDOW_WIDTH/4,7WINDOW_WIDTH/8),Point(3WINDOW_WIDTH/4,WINDOW_WIDTH));
imshow(windowName,img1);
moveWindow(windowName,0,200);
imshow(WindowName,img2);
moveWindow(WindowName,600,200);//多視窗不能用同一個名字來對視窗命名如果用了同一個視窗會產生覆蓋的問題
waitKey(0);
}