bmpdisplay.cpp

可以选择各种压缩方式对读入的图像进行压缩和解压

// BMPDisplay.cpp : implementation file
//

#include "stdafx.h"
#include "JPEGEQ.h"
#include "BMPDisplay.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// BMPDisplay dialog


BMPDisplay::BMPDisplay(CWnd* pParent /*=NULL*/)
	: CDialog(BMPDisplay::IDD, pParent)
{
	//{{AFX_DATA_INIT(BMPDisplay)
	m_bmpsrcfile = _T("");
	//}}AFX_DATA_INIT
}


void BMPDisplay::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(BMPDisplay)
	DDX_Text(pDX, IDC_EDIT1, m_bmpsrcfile);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(BMPDisplay, CDialog)
	//{{AFX_MSG_MAP(BMPDisplay)
	ON_BN_CLICKED(IDC_BUTTON1, OnBMPFileOpen)
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDOK, &BMPDisplay::OnBnClickedOk)
	ON_BN_CLICKED(IDCANCEL, &BMPDisplay::OnBnClickedCancel)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// BMPDisplay message handlers

void BMPDisplay::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	CDialog::OnOK();
}

void BMPDisplay::OnBMPFileOpen() 
{
	// TODO: Add your control notification handler code here
    UpdateData();
	CString temp="bmp图像文件 (*.bmp) | *.bmp|所有文件 (*.*) | *.*||";
	CFileDialog dlg(TRUE, "BMP", m_bmpsrcfile, OFN_HIDEREADONLY, 
		temp, NULL);
	if (dlg.DoModal() != IDOK)
	{
		// 返回
		return;
	}
	m_bmpsrcfile = dlg.GetPathName();
	
	// 更新
	UpdateData(FALSE);
	
}

void BMPDisplay::OnBnClickedOk()
{
	// TODO: Add your control notification handler code here
	OnOK();
}

void BMPDisplay::OnBnClickedCancel()
{
	// TODO: Add your control notification handler code here
	OnCancel();
}