fileexampledlg.cpp

第4章 图像增强（对比度增强、灰度变换法、直方图修整法、图像平滑、图像锐化、伪彩色和假彩色增强）；

// FileExampleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileExample.h"
#include "FileExampleDlg.h"
#include "FileOP.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()

/////////////////////////////////////////////////////////////////////////////
// CFileExampleDlg dialog

CFileExampleDlg::CFileExampleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFileExampleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFileExampleDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFileExampleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFileExampleDlg)
	DDX_Control(pDX, IDC_EDT_TEXTDISP, m_edtDisp);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFileExampleDlg, CDialog)
	//{{AFX_MSG_MAP(CFileExampleDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_COPY, OnBtnCopy)
	ON_BN_CLICKED(IDC_BTN_GETSTATUS, OnBtnGetstatus)
	ON_BN_CLICKED(IDC_BTN_SETSTATUS, OnBtnSetstatus)
	ON_BN_CLICKED(IDC_BTN_DELETE, OnBtnDelete)
	ON_BN_CLICKED(IDC_BTN_RENAME, OnBtnRename)
	ON_BN_CLICKED(IDC_BTN_DISPLAY, OnBtnDisplay)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFileExampleDlg message handlers

BOOL CFileExampleDlg::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 CFileExampleDlg::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 CFileExampleDlg::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 CFileExampleDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CFileExampleDlg::OnBtnCopy() 
{
	// TODO: Add your control notification handler code here
	CString strSourcePath, strTargetPath;
	//取得文件路径
	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strSourcePath);
	((CEdit *)GetDlgItem(IDC_EDT_TARGET_PATH))->GetWindowText(strTargetPath);

	//判断路径是否合法
	if (strSourcePath.IsEmpty())
	{
		MessageBox("Please input Source Path!");
		return;
	}
	if (strTargetPath.IsEmpty())
	{
		MessageBox("Please input Target Path!");
		return;
	}

	//拷贝
	if (!CFileOP::Copy(strSourcePath, strTargetPath))
		MessageBox("Don't Copy files!");
	else
		MessageBox("Copy Success!");
}

void CFileExampleDlg::OnBtnGetstatus() 
{
	// TODO: Add your control notification handler code here
	CString		strSourcePath;

	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strSourcePath);
	if (strSourcePath.IsEmpty())
	{
		MessageBox("Please input File Path!");
		return;
	}

	CFileStatus	fs;
	char c[20];
	CString strSize;

	memset(&fs, 0, sizeof(CFileStatus));
	if (!CFile::GetStatus(strSourcePath, fs)) 
	{
		MessageBox("Can't get file info!");
		return;
	}
	//取得文件长度
	itoa(fs.m_size, c, 10);  
	strSize = c;
	((CStatic *)GetDlgItem(IDC_LBL_FILELENGTH))->SetWindowText(strSize);

	((CButton *)GetDlgItem(IDC_CHK_READONLY))->SetCheck(fs.m_attribute & CFile::readOnly);
	((CButton *)GetDlgItem(IDC_CHK_HIDE))->SetCheck(fs.m_attribute & CFile::hidden);
	((CButton *)GetDlgItem(IDC_CHK_SYSTEM))->SetCheck(fs.m_attribute & CFile::system);
}

void CFileExampleDlg::OnBtnSetstatus() 
{
	// TODO: Add your control notification handler code here
	CString		strSourcePath;

	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strSourcePath);
	if (strSourcePath.IsEmpty())
	{
		MessageBox("Please input File Path!");
		return;
	}

	CFileStatus	fs;
	memset(&fs, 0, sizeof(CFileStatus));
	if (!CFile::GetStatus(strSourcePath, fs)) 
	{
		MessageBox("Can't get file info!");
		return;
	}

	if (((CButton *)GetDlgItem(IDC_CHK_READONLY))->GetCheck())
		fs.m_attribute |= CFile::readOnly;
	else
		fs.m_attribute &= ~CFile::readOnly;
	if (((CButton *)GetDlgItem(IDC_CHK_HIDE))->GetCheck())
		fs.m_attribute |= CFile::hidden;
	else
		fs.m_attribute &= ~CFile::hidden;
	if (((CButton *)GetDlgItem(IDC_CHK_SYSTEM))->GetCheck())
		fs.m_attribute |= CFile::system;
	else
		fs.m_attribute &= ~CFile::system;
	CFile::SetStatus(strSourcePath, fs); 
}

void CFileExampleDlg::OnBtnDelete() 
{
	// TODO: Add your control notification handler code here
	CString		strSourcePath;

	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strSourcePath);
	if (strSourcePath.IsEmpty())
	{
		MessageBox("Please input File Path!");
		return;
	}

	CFile::Remove(strSourcePath);
}

void CFileExampleDlg::OnBtnRename() 
{
	// TODO: Add your control notification handler code here
	CString strSourcePath, strTargetPath;
	//取得文件路径
	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strSourcePath);
	((CEdit *)GetDlgItem(IDC_EDT_TARGET_PATH))->GetWindowText(strTargetPath);

	//判断路径是否合法
	if (strSourcePath.IsEmpty())
	{
		MessageBox("Please input Source Path!");
		return;
	}
	if (strTargetPath.IsEmpty())
	{
		MessageBox("Please input Target Path!");
		return;
	}

	//改名
	CFile::Rename(strSourcePath, strTargetPath);
}

void CFileExampleDlg::OnBtnDisplay() 
{
	// TODO: Add your control notification handler code here
	CString strPath;
	int	lie;

	//取得文件路径
	((CEdit *)GetDlgItem(IDC_EDT_SOURCE_PATH))->GetWindowText(strPath);
	lie = strPath.ReverseFind('.');
	if (lie < 0 || strPath.Right(strPath.GetLength() - lie - 1).CompareNoCase("txt"))
	{
		MessageBox("Only display text file!");
		return;
	}

	m_edtDisp.FillTextDisp(strPath); 
}