01 cvPolyLine，畫線

openCV 的畫線指令

[PHP]

#include

#include

#include

#include

#include

#include

using namespace cv;

int main(int argc,char **argv)


int width,height;

if(argc


std::cout
return 0;

IplImage *image;

//建立視窗

namedWindow("image",CV_WINDOW_AUTOSIZE);

//讀取圖片

image=cvLoadImage(argv[1]);

width=image->width;

height=image->height;

CvPoint PointArray1[6];

CvPoint *PointArray[2]= &PointArray1[0],&PointArray1[3];

PointArray[0][0]=cvPoint((width/6)*1,(height/6)*3);

PointArray[0][1]=cvPoint((width/6)*2,(height/6)*2);

PointArray[0][2]=cvPoint((width/6)*3,(height/6)*2);

PointArray[1][0]=cvPoint((width/6)*4,(height/6)*3);

PointArray[1][1]=cvPoint((width/6)*3,(height/6)*4);

PointArray[1][2]=cvPoint((width/6)*2,(height/6)*4);

int PolyVertexNumber[1]=6;

int BlockNumber=1;

cvPolyLine(image,PointArray,PolyVertexNumber,

1,true,CV_RGB(0,255,0),3,CV_AA,0);

cvShowImage(“image",image);

waitKey(0);

cvDestroyAllWindows();

cvReleaseImage(&image);

system(“pause");

return 0;


[/PHP]

01 cvPolyLine，畫線