简单高效：OpenCV MFC下显示图片视频demo控件

#include "stdafx.h" #include "demo.h" #include "demoDlg.h" #include "afxdialogex.h" #ifdef _DEBUG #define new DEBUG_NEW #endif using namespace cv; CdemoDlg::CdemoDlg(CWnd* pParent /*=NULL*/) : CDialogEx(CdemoDlg::IDD, pParent) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CdemoDlg::DoDataExchange(CDataExchange* pDX) { CDialogEx::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CdemoDlg, CDialogEx) ON_MESSAGE(MsgVideoFrame, onFrame) ON_BN_CLICKED(IDC_StartVideo, &CdemoDlg::OnBnClickedStartvideo) ON_BN_CLICKED(IDC_Pause, &CdemoDlg::OnBnClickedPause) ON_BN_CLICKED(IDC_Resume, &CdemoDlg::OnBnClickedResume) ON_BN_CLICKED(IDC_Close, &CdemoDlg::OnBnClickedClose) ON_BN_CLICKED(IDC_Tensile, &CdemoDlg::OnBnClickedTensile) ON_BN_CLICKED(IDC_Center, &CdemoDlg::OnBnClickedCenter) ON_BN_CLICKED(IDC_Raw, &CdemoDlg::OnBnClickedRaw) END_MESSAGE_MAP() //处理每一帧的视频 LRESULT CdemoDlg::onFrame(WPARAM wp, LPARAM lp){ Mat frame((IplImage*)lp, false); //这里仅仅做了下翻转 //flip(frame, frame, -1); return 0; } BOOL CdemoDlg::OnInitDialog() { CDialogEx::OnInitDialog(); //链接到控件 m_show.linkDlgItem(IDC_Show, this); return TRUE; } void CdemoDlg::OnBnClickedStartvideo() { //打开摄像头 m_show.openVideo(0); //打开视频文件 //m_show.openVideo("g:/初音未来 虽然歌声无形.f4v"); //显示图像 //m_show.setImage(imread("G:/Image/miku.jpg")); } void CdemoDlg::OnBnClickedPause() { m_show.pauseVideo(); } void CdemoDlg::OnBnClickedResume() { m_show.resumeVideo(); } void CdemoDlg::OnBnClickedClose() { m_show.closeVideo(); } void CdemoDlg::OnBnClickedTensile() { //设置为拉伸显示 m_show.setResizeType(CvImgCtrl::ResizeType_Tensile); } void CdemoDlg::OnBnClickedCenter() { //设置为居中显示 m_show.setResizeType(CvImgCtrl::ResizeType_CenterResize); } void CdemoDlg::OnBnClickedRaw() { //设置为原始大小显示 m_show.setResizeType(CvImgCtrl::ResizeType_Raw); }