write24bmpdlg.cpp

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// write24bmpDlg.cpp : implementation file
//

#include "stdafx.h"
#include "write24bmp.h"
#include "write24bmpDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CWrite24bmpDlg dialog

CWrite24bmpDlg::CWrite24bmpDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWrite24bmpDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWrite24bmpDlg)
		// 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 CWrite24bmpDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWrite24bmpDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWrite24bmpDlg, CDialog)
	//{{AFX_MSG_MAP(CWrite24bmpDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWrite24bmpDlg message handlers

BOOL CWrite24bmpDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CWrite24bmpDlg::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 CWrite24bmpDlg::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 CWrite24bmpDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CWrite24bmpDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	DWORD a=GetTickCount();
	BYTE* ImageData;
	ImageData=new unsigned char[152*450];
	for(int i=0;i<150;i++)
	{
		for(int j=0;j<152*3;j+=3)
		{		
			*(ImageData+i*152*3+j)=(unsigned char)(255);//(B)
			*(ImageData+i*152*3+j+1)=(unsigned char)(0);//(G)
			*(ImageData+i*152*3+j+2)=(unsigned char)(0);//(R)
		}
	}

	BYTE* m_hDIB;

	m_hDIB=new BYTE[40];
	LPBITMAPINFOHEADER infoheader;
	infoheader=(LPBITMAPINFOHEADER)m_hDIB;
	infoheader->biSize=40;
	infoheader->biWidth=152;
	infoheader->biHeight=150;
	infoheader->biPlanes=1;
	infoheader->biBitCount=24;
	infoheader->biCompression=BI_RGB;
	infoheader->biSizeImage=(150*8+31)/32*4*150;//这里biSizeImage=(biWidth)*biHeight;
	//若biWidth是4的整数倍则biWidth=(biWidth),否则(biWidth)=(biWidth*8+31)/32*4
	infoheader->biXPelsPerMeter=0;
	infoheader->biYPelsPerMeter=0;
	infoheader->biClrUsed=0;
	infoheader->biClrImportant=0;

	memcpy(m_hDIB,infoheader,40);

	CFile fpbmp;
	if((fpbmp.Open( "myfile.bmp", CFile::modeCreate | CFile::modeWrite ))==0)
	{
		MessageBox("fault");
	}


	BITMAPFILEHEADER bmfh;
	// 设置文件头中文件类型为"BM"
	bmfh.bfType = 0x4d42;  
	// 设置文件头信息
	bmfh.bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + 450*152;
	bmfh.bfReserved1 = bmfh.bfReserved2 = 0;
	bmfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
		
	// 进行写操作
	fpbmp.Write((LPVOID) &bmfh, sizeof(BITMAPFILEHEADER));
	fpbmp.Write(m_hDIB,  sizeof(BITMAPINFOHEADER));
	fpbmp.Write(ImageData, 450*152);


			
	delete m_hDIB;
	delete ImageData;

	DWORD b=GetTickCount();
	CString str;
//	str.Format("%d,%d",a,b);
	str.Format("%d",b-a);
	MessageBox(str);


}