bmp.zip_bmp_ranche6v_unlessurr_读取bmp_进程与线程

// bmpDlg.cpp : implementation file // #include "stdafx.h" #include "bmp.h" #include "bmpDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CBmpDlg dialog CBmpDlg::CBmpDlg(CWnd* pParent /*=NULL*/) : CDialog(CBmpDlg::IDD, pParent) { //{{AFX_DATA_INIT(CBmpDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CBmpDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CBmpDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CBmpDlg, CDialog) //{{AFX_MSG_MAP(CBmpDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_BITMAP, OnButtonBitmap) ON_BN_CLICKED(IDC_BUTTON_SAVE, OnButtonSave) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CBmpDlg message handlers BOOL CBmpDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. 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); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here m_pBmp = NULL; return TRUE; // return TRUE unless you set the focus to a control } void CBmpDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CBmpDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle 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; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CBmpDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } BOOL CBmpDlg::LoadBitmapFile(CString strFileName,CBitmap& bmp) { CFile file; if( !file.Open(strFileName, CFile::modeRead) ) return FALSE; BITMAPFILEHEADER bmfHeader; long nFileLen; nFileLen = file.GetLength(); if (file.Read((LPSTR)&bmfHeader, sizeof(bmfHeader)) != sizeof(bmfHeader)) return FALSE; if (bmfHeader.bfType != ((WORD)('M' <<8) | 'B')) return FALSE; HGLOBAL hDIB = ::GlobalAlloc(GMEM_FIXED, nFileLen); if (hDIB == 0) return FALSE; if (file.ReadHuge((LPSTR)hDIB, nFileLen - sizeof(BITMAPFILEHEADER)) != nFileLen - sizeof(BITMAPFILEHEADER) ) { ::GlobalFree(hDIB); return FALSE; } BITMAPINFO &bmInfo = *(LPBITMAPINFO) ::GlobalLock(hDIB) ; BITMAPINFOHEADER *pInfoHead = (BITMAPINFOHEADER *)hDIB; int nHeaderSize=sizeof(BITMAPINFOHEADER); BYTE *pBmpPixelBuffer=(BYTE *)&bmInfo+bmfHeader.bfOffBits - sizeof(BITMAPFILEHEADER); CDC dc; dc.CreateDC("DISPLAY",NULL,NULL,NULL); HBITMAP hBitmap; hBitmap=CreateDIBitmap(dc.m_hDC,(BITMAPINFOHEADER *)&bmInfo,CBM_INIT,(VOID *)pBmpPixelBuffer,&bmInfo,DIB_RGB_COLORS); bmp.Attach (hBitmap); ::GlobalUnlock (hDIB); ::GlobalFree(hDIB); return TRUE; } BOOL CBmpDlg::SaveBitmapFile(CString strFileName,CBitmap& bmp) { BITMAP bm; bmp.GetBitmap (&bm); int nWidth = bm.bmWidth; int nHeight = bm.bmHeight; int nLineBits = bm.bmWidthBytes; if ((nLineBits % 8) != 0) nLineBits += 8 - nLineBits%8; int nBitCounts = nLineBits * bm.bmHeight ; int nBits = bm.bmBitsPixel; int nBitmapInfoSize = 0; if (nBits <= 8) { int nColors = 1 << nBits; int nPalUnitSize = sizeof(RGBQUAD); nBitmapInfoSize = sizeof(BITMAPINFOHEADER) + nPalUnitSize * nColors; } else nBitmapInfoSize = sizeof(BITMAPINFOHEADER); BITMAPINFO* pbmpinfo = NULL; pbmpinfo =(BITMAPINFO *)(new BYTE[nBitmapInfoSize]); ZeroMemory((void *)pbmpinfo,nBitmapInfoSize); BITMAPINFOHEADER* pInfoHead = (BITMAPINFOHEADER *)pbmpinfo; ZeroMemory((void *)pInfoHead,sizeof(BITMAPINFOHEADER)); pInfoHead->biSize = sizeof(BITMAPINFOHEADER); pInfoHead->biBitCount = nBits; pInfoHead->biPlanes = 1; pInfoHead->biSizeImage = nBitCounts; pInfoHead->biCompression = BI_RGB; pInfoHead->biWidth = nWidth; pInfoHead->biHeight = nHeight; CDC dc; dc.CreateDC("DISPLAY",NULL,NULL,NULL); int nLx = dc.GetDeviceCaps (LOGPIXELSX); int nLy = dc.GetDeviceCaps (LOGPIXELSY); double dbInchPerMeter = 39.375; int nPMx = (int)((double)nLx * dbInchPerMeter); int nPMy = (int)((double)nLy * dbInchPerMeter); pInfoHead->biXPelsPerMeter = nPMx;//3780; pInfoHead->biYPelsPerMeter = nPMy;//3780; if (nBits <= 8) { int nColors = 1 << nBits; GetDIBColorTable(dc.m_hDC,0,nColors,pbmpinfo->bmiColors); } BYTE* pBits = NULL; HGLOBAL hGlobal = ::GlobalAlloc(GMEM_FIXED, nBitCounts); pBits = (BYTE *)::GlobalLock(hGlobal); ZeroMemory((void *)pBits,nBitCounts); GetDIBits(dc.m_hDC,(HBITMAP)bmp,0,nHeight,pBits,pbmpinfo,DIB_RGB_COLORS); BITMAPFILEHEADER bmfHeader; int nFileHeadSize = sizeof(BITMAPFILEHEADER); ZeroMemory((void *)&bmfHeader,sizeof(BITMAPFILEHEADER)); bmfHeader.bfType = 19778;//'BM' ((WORD) ('M' << 8) | 'B'); bmfHeader.bfSize = nFileHeadSize + nBitmapInfoSize + nBitCounts; bmfHeader.bfOffBits = sizeof(BITMAPFILEHEADER) + nBitmapInfoSize; CFile file; if(!file.Open (strFileName,CFile::modeCreate | CFile::modeWrite)) { AfxMessageBox("Write File Error!"); return FALSE; } file.Write (&bmfHeader,sizeof(BITMAPFILEHEADER)); file.Write (pbmpinfo,nBitmapInfoSize); file.WriteHuge (pBits, nBitCounts); file.Close (); ::GlobalUnlock (hGlobal); ::GlobalFree (hGlobal); delete[] pbmpinfo; return TRUE; } void CBmpDlg::DrawBmp (CBitmap& bmp) { CDC* pDC = GetDC(); CD