MFC控件显示视频或者图片

使用静态文本框在控件上显示视频或者图片

                CRect rect;
				GetDlgItem(IDC_STATIC_PLAY)->GetClientRect(&rect);  // 获取图片控件矩形框
				cv::Size dsize = cv::Size(rect.Width(), rect.Height());
				cv::Mat img = cv::Mat(dsize, CV_8UC3);
				cv::resize(imgSrc, img, dsize);
				// 转换格式 ,便于获取BITMAPINFO
				switch (img.channels())
				{
				case 1:
					cv::cvtColor(img, img, CV_GRAY2BGRA); // GRAY单通道
					break;
				case 3:
					cv::cvtColor(img, img, CV_BGR2BGRA);  // BGR三通道
					break;
				default:
					break;
				}

				int pixelBytes = img.channels()*(img.depth() + 1); // 计算一个像素多少个字节
				// 制作bitmapinfo(数据头)
				BITMAPINFO bitInfo;
				bitInfo.bmiHeader.biBitCount = 8 * pixelBytes;
				bitInfo.bmiHeader.biWidth = img.cols;
				bitInfo.bmiHeader.biHeight = -img.rows;   //注意"-"号(正数时倒着绘制)
				bitInfo.bmiHeader.biPlanes = 1;
				bitInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
				bitInfo.bmiHeader.biCompression = BI_RGB;
				bitInfo.bmiHeader.biClrImportant = 0;
				bitInfo.bmiHeader.biClrUsed = 0;
				bitInfo.bmiHeader.biSizeImage = 0;
				bitInfo.bmiHeader.biXPelsPerMeter = 0;
				bitInfo.bmiHeader.biYPelsPerMeter = 0;

				CDC *pDC = GetDlgItem(IDC_STATIC_PLAY)->GetDC();  //获取图片控件DC
			    //绘图
				::StretchDIBits(
					pDC->GetSafeHdc(),
					0, 0, rect.Width(), rect.Height(),
					0, 0, img.cols, img.rows,
					img.data,
					&bitInfo,
					DIB_RGB_COLORS,
					SRCCOPY
					);
				ReleaseDC(pDC);  //释放DC		 

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转载自blog.csdn.net/idream68/article/details/116154962