bd_lab4dlg.cpp

Huffman/RLE archivator

// bd_lab4Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "bd_lab4.h"
#include "bd_lab4Dlg.h"
#include "bd_lab4Dlg.h"
#include "compressing.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#endif

bool method;	// false - rle
				// true - huffman


// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// Cbd_lab4Dlg dialog




Cbd_lab4Dlg::Cbd_lab4Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(Cbd_lab4Dlg::IDD, pParent)
	, sourceFile(_T(""))
	, distanationFile(_T(""))
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	method = true;
}

void Cbd_lab4Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, sourceFile);
	DDX_Text(pDX, IDC_EDIT3, distanationFile);
}

BEGIN_MESSAGE_MAP(Cbd_lab4Dlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_RADIO1, &Cbd_lab4Dlg::OnBnClickedRadio1)
	ON_BN_CLICKED(IDC_RADIO2, &Cbd_lab4Dlg::OnBnClickedRadio2)
	ON_BN_CLICKED(IDC_BUTTON3, &Cbd_lab4Dlg::OnBnClickedButton3)
	ON_BN_CLICKED(IDC_BUTTON1, &Cbd_lab4Dlg::OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON2, &Cbd_lab4Dlg::OnBnClickedButton2)
END_MESSAGE_MAP()


// Cbd_lab4Dlg message handlers

BOOL Cbd_lab4Dlg::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 Cbd_lab4Dlg::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 Cbd_lab4Dlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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 function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR Cbd_lab4Dlg::OnQueryDragIcon()
{

	return static_cast<HCURSOR>(m_hIcon);
}


void Cbd_lab4Dlg::OnBnClickedRadio1()
{
	method = true;
	// TODO: Add your control notification handler code here
}

void Cbd_lab4Dlg::OnBnClickedRadio2()
{
	method = false;
	// TODO: Add your control notification handler code here
}

void Cbd_lab4Dlg::OnBnClickedButton3()
{
	TCHAR title[] = L"Open source file";
	CFileDialog Dlg(true);
	CString str("all files"); str += (TCHAR)NULL;
	str += "*.*"; str += (TCHAR)NULL;
	Dlg.m_ofn.lpstrFilter = str;
	Dlg.m_ofn.nFilterIndex = 1;
	TCHAR strName[_MAX_PATH];

	strName[0] = (TCHAR)NULL;
	Dlg.m_ofn.lpstrFile = strName;
	Dlg.m_ofn.lpstrTitle = title;
	char name[255] = {0};
	if (Dlg.DoModal() == IDOK)
	{
		sourceFile = strName;
		distanationFile = Dlg.GetPathName();
/*
		int index = distanationFile.Find('.');
		distanationFile.Delete(index, distanationFile.GetLength() - index);
		if (method)
			distanationFile += ".hfm";
		else
			distanationFile += ".rle";*/

		UpdateData(false);
	}
	// TODO: Add your control notification handler code here
}

void Cbd_lab4Dlg::OnBnClickedButton1()
{
	UpdateData(true);
	if (sourceFile.Compare(L"") && distanationFile.Compare(L"") && sourceFile.Compare(distanationFile))
	{
		if (method)
			CompressHuffman(sourceFile, distanationFile);
		else
			CompressRLE(sourceFile, distanationFile);
	}
	// TODO: Add your control notification handler code here
}

void Cbd_lab4Dlg::OnBnClickedButton2()
{
	UpdateData(true);
	if (sourceFile.Compare(L"") && distanationFile.Compare(L"") && sourceFile.Compare(distanationFile))
	{
		if (method)
			DecompressHuffman(sourceFile, distanationFile);
		else
			DecompressRLE(sourceFile, distanationFile);
	}
	// TODO: Add your control notification handler code here
}