c++ imshow(img)

void show(IplImage *img)
{
cvNamedWindow("contour1", 1);
cvShowImage("contour1", img);
cvWaitKey(0); //等待按键
//销毁窗口
cvDestroyWindow("contour1");
//释放图像
cvReleaseImage(&img);

}

void show(Mat *mimg)
{
IplImage *img = &IplImage(*mimg);//
cvNamedWindow("contour1", 0);
cvShowImage("contour1", img);
#ifdef _DEBUG
cvWaitKey(0); //等待按键
#else
cvWaitKey(100);
#endif

//销毁窗口
cvDestroyWindow("contour1");
//释放图像
//cvReleaseImage(&img);

}