1.0.3-学习Opencv与MFC混合编程之---打开本地摄像头

源代码：http://download.csdn.net/detail/nuptboyzhb/3961643

版本1.0.3新增内容

打开摄像头

Ø 新建菜单项，Learning OpenCV——> OpenCVr入门——>打开摄像头(c)

Ø 菜单项设置如下：

Ø 建立类向导

Ø 编辑代码

void CCVMFCView::OnMyOpenCamera()

{

// TODO: Add your command handler code here

//Alt+F8 整理代码

int   i=1;//截图个数

CvCapture* capture;

CString WindowName1="摄像机";

IplImage *frame = 0;

capture = cvCreateCameraCapture(0);//打开摄像头

if(capture==NULL)

{

MessageBox("未检测到摄像头，请检查摄像头安装是否正确");

}

else

{

assert(capture != NULL );//如果没有打开，中断

cvNamedWindow(WindowName1,CV_WINDOW_AUTOSIZE);

while(1)

{

frame= cvQueryFrame(capture);

if(!frame)

{

break;

}

cvShowImage(WindowName1, frame );

char c = cvWaitKey(10);

if( c == 27 )

{

break;

}

else if(c=='c'||c=='C')

{

CString str;

str.Format( "%d ",i);

CString WindowName2="Capture"+str;

cvNamedWindow(WindowName2,CV_WINDOW_AUTOSIZE);

cvShowImage(WindowName2, frame);

cvWaitKey(0);

cvDestroyWindow(WindowName2);

i++;

}

}

cvReleaseCapture( &capture );

cvDestroyWindow(WindowName1);

}

}

from:http://blog.csdn.net/nupt123456789/article/details/7097900