directdraw的多畫面顯示rgb
睿豐德科技 專注RFID識別技術和條碼識別技術與管理軟件的集成項目。質量追溯系統、MES系統、金蝶與條碼系統對接、用友與條碼系統對接
// showpicDlg.cpp : 實現文件
// #include "stdafx.h" #include "showpic.h" #include "showpicDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #endif // 用于應用程序“關于”菜單項的 CAboutDlg 對話框 class CAboutDlg : public CDialog { public: CAboutDlg(); // 對話框數據 enum { IDD = IDD_ABOUTBOX }; protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持 // 實現 protected: DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) END_MESSAGE_MAP() // CshowpicDlg 對話框 CshowpicDlg::CshowpicDlg(CWnd* pParent /*=NULL*/) : CDialog(CshowpicDlg::IDD, pParent) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CshowpicDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Control(pDX, IDC_SCREEN, m_screen); } BEGIN_MESSAGE_MAP(CshowpicDlg, CDialog) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP ON_BN_CLICKED(IDC_BUTTON1, &CshowpicDlg::OnBnClickedButton1) ON_BN_CLICKED(IDC_BUTTON2, &CshowpicDlg::OnBnClickedButton2) ON_WM_TIMER() END_MESSAGE_MAP() // CshowpicDlg 消息處理程序 BOOL CshowpicDlg::OnInitDialog() { CDialog::OnInitDialog(); // 將“關于...”菜單項添加到系統菜單中。 // IDM_ABOUTBOX 必須在系統命令范圍內。 ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // 設置此對話框的圖標。當應用程序主窗口不是對話框時,框架將自動 // 執行此操作 SetIcon(m_hIcon, TRUE); // 設置大圖標 SetIcon(m_hIcon, FALSE); // 設置小圖標 // TODO: 在此添加額外的初始化代碼 m_screen.SetWindowPos(&CWnd::wndBottom,0,0,960,720, SWP_NOMOVE | SWP_SHOWWINDOW); return TRUE; // 除非將焦點設置到控件,否則返回 TRUE } void CshowpicDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // 如果向對話框添加最小化按鈕,則需要下面的代碼 // 來繪制該圖標。對于使用文檔/視圖模型的 MFC 應用程序, // 這將由框架自動完成。 void CshowpicDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // 用于繪制的設備上下文 SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0); // 使圖標在工作矩形中居中 int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // 繪制圖標 dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } //當用戶拖動最小化窗口時系統調用此函數取得光標顯示。 // HCURSOR CshowpicDlg::OnQueryDragIcon() { return static_cast<HCURSOR>(m_hIcon); } BYTE *buf[6]; CBitmap m_bitmap; void CshowpicDlg::OnBnClickedButton1() { // TODO: 在此添加控件通知處理程序代碼 for(int i=0;i<6;i++) { HBITMAP m_hBitmap;//位圖句柄 BITMAP bm;//存放位圖信息的結構 CString strFilename,str; CFileDialog openBox(TRUE,NULL,_T(""),OFN_HIDEREADONLY,_T("bmp(*.bmp)|*.bmp|ALLFiles(*.*)|*.*||"),NULL); openBox.m_ofn.lpstrTitle=_T("打開數據文件640*480_bmp"); INT_PTR nResult = openBox.DoModal(); // 如果文件打開則準備播放 if (nResult == IDOK) { strFilename=openBox.GetPathName(); } else { return; } strFilename.ReleaseBuffer(); str =strFilename; m_hBitmap = (HBITMAP)::LoadImage(NULL,str,IMAGE_BITMAP,0,0,LR_LOADFROMFILE); //裝載位圖 if(m_bitmap.m_hObject) m_bitmap.DeleteObject(); m_bitmap.Attach(m_hBitmap);//將句柄與CBitmap關聯起來 m_bitmap.GetBitmap(&bm); int height = bm.bmHeight;//圖像的寬高 int width = bm.bmWidth; int widthBytes=bm.bmWidthBytes;//圖像一行數據所占的字節數 int size=height*widthBytes; buf[i]=new BYTE[size]; m_bitmap.GetBitmapBits(size,buf[i]);//得到RGB數據 } } #include <ddraw.h> #pragma comment (lib,"ddraw.lib") #pragma comment (lib,"dxguid.lib") LPDIRECTDRAW lpdd=NULL; LPDIRECTDRAW7 lpdd7=NULL; LPDIRECTDRAWSURFACE7 lpddsback; LPDIRECTDRAWSURFACE7 lpddsprimary=NULL; LPDIRECTDRAWSURFACE7 lpddsmypage[6]; LPDIRECTDRAWPALETTE lpddpal=NULL; DDSURFACEDESC2 ddsd; LPDIRECTDRAWCLIPPER lpDDClipper = NULL; // #define _RGB32BIT(a,r,g,b) ((b) + ((g) << 8) + ((r) << 16) + ((a) << 24)) //#define SCREEN_WIDTH 640 //#define SCREEN_HEIGHT 480 RECT rcRectSrc; RECT rcRectDest; int index_y = 0, index_x = 0; int height,width,widthBytes; int R, G, B; int SCREEN_WIDTH,SCREEN_HEIGHT; HWND main_window_handle; void CshowpicDlg::OnBnClickedButton2() { // TODO: 在此添加控件通知處理程序代碼 height=width=widthBytes=0; main_window_handle = m_screen.GetSafeHwnd(); if(DD_OK!=(DirectDrawCreate(NULL, &lpdd, NULL))) { return ; } //獲取DIRECTDRAW7 接口 if(DD_OK != (lpdd->QueryInterface(IID_IDirectDraw7,(LPVOID*)&lpdd7))) { return ; } // set the cooperative level for full-screen mode if(DD_OK != lpdd7->SetCooperativeLevel(main_window_handle, DDSCL_NORMAL)) { return ; } // set the display mode to 640x480x256 #if 0 //設置分辨率 if(DD_OK!=(lpdd7->SetDisplayMode(800,600,32,0,0))) { AfxMessageBox("dsf"); return ; } #endif // clear ddsd and set size memset(&ddsd,0,sizeof(ddsd)); ddsd.dwSize = sizeof(ddsd); // enable valid fields ddsd.dwFlags=DDSD_CAPS; ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; // create the primary surface /* ddsd.ddsCaps.dwCaps=DDSCAPS_BACKBUFFER; if (FAILED(lpddsprimary->GetAttachedSurface(&ddsd.ddsCaps,&lpddsback))) { return -1; } */ if(DD_OK!=(lpdd7->CreateSurface(&ddsd, &lpddsprimary, NULL))) { return ; } // 創建裁剪器 if (FAILED(lpdd7->CreateClipper(0, &lpDDClipper, NULL))) return ; // 與窗口工作區關聯 if (FAILED(lpDDClipper->SetHWnd(0, main_window_handle))) { lpDDClipper->Release(); return ; } if (FAILED(lpddsprimary->SetClipper(lpDDClipper))) { lpDDClipper->Release(); return ; } { SCREEN_WIDTH = 640 ;SCREEN_HEIGHT = 480; } // memset(&ddsd,0,sizeof(ddsd)); ddsd.dwSize = sizeof(ddsd); ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT; ddsd.dwWidth = SCREEN_WIDTH; ddsd.dwHeight = SCREEN_HEIGHT; ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; // SetTimer(1,1000,NULL); return; //執行成功 } int index=0; void CshowpicDlg::OnTimer(UINT_PTR nIDEvent) { // TODO: 在此添加消息處理程序代碼和/或調用默認值 int tmp = 0; for(int i=0;i<6;i++) { if(DD_OK!=(lpdd7->CreateSurface(&ddsd, &lpddsmypage[i], NULL))) { return ; } POINT p; p.x = 0; p.y = 0; m_screen.ClientToScreen(&p); tmp = (i+index)%6; // m_screen.GetClientRect(&rcRectDest); if(i==5) {rcRectDest.left = 0; rcRectDest.top=0; rcRectDest.right = 640; rcRectDest.bottom = 480;} else if(i==4) {rcRectDest.left = 640; rcRectDest.top=0; rcRectDest.right = 960; rcRectDest.bottom = 240;} else if(i==3) {rcRectDest.left = 640; rcRectDest.top=240; rcRectDest.right = 960; rcRectDest.bottom = 480;} else if(i==2) {rcRectDest.left = 640; rcRectDest.top=480; rcRectDest.right = 960; rcRectDest.bottom = 720;} else if(i==1) {rcRectDest.left = 320; rcRectDest.top=480; rcRectDest.right = 640; rcRectDest.bottom = 720;} else if(i==0) {rcRectDest.left = 0; rcRectDest.top=480; rcRectDest.right = 320; rcRectDest.bottom = 720;} OffsetRect(&rcRectDest, p.x, p.y); SetRect(&rcRectSrc, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); ///////////////////////////////////////////////////////////// if(DD_OK != lpddsmypage[i]->Lock(NULL,&ddsd,DDLOCK_WAIT|DDLOCK_SURFACEMEMORYPTR,NULL)) { return ; } DWORD *bmp_buffer = (DWORD *)ddsd.lpSurface; memcpy(bmp_buffer,buf[tmp],SCREEN_WIDTH*SCREEN_HEIGHT*4); if(DD_OK != lpddsmypage[i]->Unlock(NULL)) { return ; } if(DD_OK != lpddsprimary->Blt( &rcRectDest, lpddsmypage[i], &rcRectSrc, DDBLT_WAIT, NULL)) { return ; } if(lpddsmypage) { lpddsmypage[i]->Release(); lpddsmypage[i]=NULL; } } index++; CDialog::OnTimer(nIDEvent); }vRFID管理系統集成商 RFID中間件 條碼系統中間層 物聯網軟件集成