testtxttobmpdlg.cpp

在VC++工程下

// TestTxtToBmpDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestTxtToBmp.h"
#include "TestTxtToBmpDlg.h"
#include <WINDOWSX.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()

/////////////////////////////////////////////////////////////////////////////
// CTestTxtToBmpDlg dialog

CTestTxtToBmpDlg::CTestTxtToBmpDlg(CWnd* pParent /*=NULL*/)
: CDialog(CTestTxtToBmpDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestTxtToBmpDlg)
	// 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 CTestTxtToBmpDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestTxtToBmpDlg)
	// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestTxtToBmpDlg, CDialog)
//{{AFX_MSG_MAP(CTestTxtToBmpDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestTxtToBmpDlg message handlers

BOOL CTestTxtToBmpDlg::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
	
	//TBBUTTON button[10];
//	m_ToolBar.EnableAutomation();
//	m_ToolBar.Create(WS_CHILD|WS_VISIBLE,CRect(0,0,0,0),this,ID_TOOLBAR);
	// TODO: Add extra initialization here
	/*CDC * pDC;
	pDC=this->GetDC();
	CDC memdc;
	CBitmap bitmap;
	CRect rect;
	::GetClientRect(::GetDlgItem(this->m_hWnd,IDC_SS),rect);
	memdc.CreateCompatibleDC(NULL);

	bitmap.CreateCompatibleBitmap(&memdc,rect.Width(),rect.Height());
	memdc.SelectObject(&bitmap);
	memdc.FillSolidRect(0,0,rect.Width(),rect.Height(),RGB(255,0,0));
	memdc.TextOut(0,0,"abcdefgabcdefgabcdefgabcdefgabcdefgvabcdefg");
	pDC->BitBlt(0,0,rect.Width(),rect.Height(),&memdc,0,0,SRCCOPY);*/

	CRect rect;
	::GetClientRect(::GetDlgItem(this->m_hWnd,IDC_STATIC),rect);
	
	//HBITMAP hbitmap=CopyScreenToBitmap(rect);
	//SaveBitmapToFile(hbitmap,"text.bmp");
	SaveBitmapToFile(CopyScreenToBitmap(rect),"text.bmp");


	//pDC->BitBlt(0,0,128,64,&memdc,0,0,SRCCOPY);
	//FILE *fp=fopen("text.bmp","w");
	//fwrite(&bitmap,sizeof(bitmap),1,fp);
	//fclose(fp);
									
									  /*m_ImageList.Create(0,0,ILC_COLOR16,0,0);
									  m_ImageList.Add(&bitmap,RGB(0,0,0));
									  
										m_ToolBar.SetImageList(&m_ImageList); 
										
										  for(int i=0;i<1;i++)
										  {
										  button[i].dwData=0;
										  button[i].fsState=TBSTATE_ENABLED;
										  if(i==4 ||i==8)
										  button[i].fsStyle=TBSTYLE_SEP ;
										  else
										  button[i].fsStyle=TBSTYLE_BUTTON ;
										  button[i].iBitmap=i;
										  
											}
											m_ToolBar.AddButtons(1,button); 
											m_ToolBar.AutoSize();		
	m_ToolBar.SetStyle(TBSTYLE_FLAT|CCS_TOP);*/
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTestTxtToBmpDlg::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 CTestTxtToBmpDlg::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 CTestTxtToBmpDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

HBITMAP CTestTxtToBmpDlg::CopyScreenToBitmap(LPRECT lpRect)
{
	/*HDC hScrDC, hMemDC;      
	// 屏幕和内存设备描述表
	HBITMAP hBitmap;   
	// 位图句柄
	int   nX, nY, nX2, nY2;      
	// 选定区域坐标
	int   nWidth, nHeight;      
	// 位图宽度和高度
	int   xScrn, yScrn;    
	// 确保选定区域不为空矩形
	if (IsRectEmpty(lpRect))
		return NULL;
	//为屏幕创建设备描述表
	hScrDC = CreateDC("DISPLAY", NULL, NULL, NULL);
	//为屏幕设备描述表创建兼容的内存设备描述表
	hMemDC = CreateCompatibleDC(hScrDC);
	// 获得选定区域坐标
	nX = lpRect->left;
	nY = lpRect->top;
	nX2 = lpRect->right;
	nY2 = lpRect->bottom;
	// 获得屏幕分辨率
	xScrn = GetDeviceCaps(hScrDC, HORZRES);
	yScrn = GetDeviceCaps(hScrDC, VERTRES);
	//确保选定区域是可见的
	if (nX<0)
		nX=0;
	if (nY<0)
		nY=0;
	if (nX2>xScrn)
		nX2=xScrn;
	if (nY2>yScrn)
		nY2=yScrn;
	nWidth=nX2-nX;
	nHeight=nY2-nY;
	// 创建一个与屏幕设备描述表兼容的位图
	hBitmap=CreateCompatibleBitmap(hScrDC, nWidth, nHeight);
	// 把新位图选到内存设备描述表中
	//hOldBitmap = SelectObject(hMemDC, hBitmap);
	// 把屏幕设备描述表拷贝到内存设备描述表中
	CString str="abcdefgh";
	TextOut(hScrDC,0,0,str,str.GetLength());
	SelectObject(hMemDC,hBitmap);
	BitBlt(hMemDC, 0, 0, nWidth, nHeight,hScrDC, nX, nY, SRCCOPY);
	//得到屏幕位图的句柄
	//hBitmap = SelectObject(hMemDC, hOldBitmap);
	//清除