void MyTestDialog::DrawPicToHDC(cv::Mat& img, UINT ID)
{
//清空
CStatic* pStatic = (CStatic*)GetDlgItem(ID);
pStatic->SetBitmap(NULL);
CRect rect;
pStatic->GetClientRect(&rect);
pStatic->GetDC()->FillSolidRect(rect.left ,rect.top ,rect.Width(),rect.Height(), RGB(240, 240, 240));
////
CDC* pDC = GetDlgItem(ID)->GetDC();
HDC hDC = pDC->GetSafeHdc();
//调整大小
////////
float widthRatio = (float)rect.Width() / img.cols;
float heightRatio = (float)rect.Height() / img.rows;
float resRatio = widthRatio < heightRatio ? widthRatio: heightRatio;
int resWidth = img.cols * resRatio;
int resHeight = img.rows * resRatio;
cv::resize(img, img, cv::Size(resWidth, resHeight));
CRect drawRect;
drawRect.SetRect(rect.TopLeft().x, rect.TopLeft().y, rect.TopLeft().x + img.cols - 1, rect.TopLeft().y + img.rows - 1);
///////
IplImage* tmpimg = &img.operator IplImage();
CvvImage iimg;
iimg.CopyOf(tmpimg);
iimg.DrawToHDC(hDC, &drawRect);
ReleaseDC(pDC);
iimg.Destroy();
}
// CustomDialog 消息处理程序
void CustomDialog::DrawPicToHDC(IplImage *img, UINT ID)
{
CDC *pDC = GetDlgItem(ID)->GetDC();
HDC hDC= pDC->GetSafeHdc();
CRect rect;
GetDlgItem(ID)->GetClientRect(&rect);
CvvImage cimg;
cimg.CopyOf(img); // 复制图片
cimg.DrawToHDC(hDC, &rect); // 将图片绘制到显示控件的指定区域内
cimg.Destroy();
ReleaseDC(pDC);
}