compressdlg.cpp

来自「基于块方向的图像无损压缩代码」· C++ 代码 · 共 327 行

// compressDlg.cpp : implementation file
//

#include "stdafx.h"
#include "compress.h"
#include "compressDlg.h"
#include "display.h"

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

void _GA_Compress(CString InputFileName,CString OutputFileName);
void  _GA_Decompress(CString InputFileName, CString OutputFileName);
double Calculate_CompressRatio(CString SourceFileName,CString ObjectFileName);
double Calculate_SNR(CString SourceFileName,CString ObjectFieName);
short int Width,Height;

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CCompressDlg dialog

CCompressDlg::CCompressDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCompressDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCompressDlg)
	m_StartCompressTime = _T("");
	m_EndCompressTime = _T("");
	m_StartDecompressTime = _T("");
	m_EndDecompressTime = _T("");
	m_CompressFile = _T("");
	m_CompressRatio = _T("");
	m_DecompressFile = _T("");
	m_SPRRatio = _T("");
	m_CompressedFile = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	bPaint=FALSE;
}

void CCompressDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCompressDlg)
	DDX_Control(pDX, IDC_DECOMPRESS_IMAGE, m_DecompressImage);
	DDX_Control(pDX, IDC_COMPRESS_IMAGE, m_CompressImage);
	DDX_Text(pDX, IDC_COMPRESS_EDIT1, m_StartCompressTime);
	DDX_Text(pDX, IDC_COMPRESS_EDIT2, m_EndCompressTime);
	DDX_Text(pDX, IDC_DECOMPRESS_EDIT1, m_StartDecompressTime);
	DDX_Text(pDX, IDC_DECOMPRESS_EDIT2, m_EndDecompressTime);
	DDX_Text(pDX, IDC_COMPRESS_FILE, m_CompressFile);
	DDX_Text(pDX, IDC_COMPRESS_RATIO, m_CompressRatio);
	DDX_Text(pDX, IDC_DECOMPRESS_FILE, m_DecompressFile);
	DDX_Text(pDX, IDC_SPR_EDIT, m_SPRRatio);
	DDX_Text(pDX, IDC_COMPRESSEDFILE, m_CompressedFile);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCompressDlg, CDialog)
	//{{AFX_MSG_MAP(CCompressDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_COMPRESS_BUTTON, OnCompressButton)
	ON_BN_CLICKED(IDC_DECOMPRESS_BUTTON, OnDecompressButton)
	ON_BN_CLICKED(IDC_COMPRESS_EXPLOR, OnCompressExplor)
	ON_BN_CLICKED(IDC_COMPRESSED_EXPLOR, OnCompressedExplor)
	ON_BN_CLICKED(IDC_DECOMPRESS_EXPLOR, OnDecompressExplor)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCompressDlg message handlers

BOOL CCompressDlg::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 CCompressDlg::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 CCompressDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	if(bPaint) 
	{
		CRect rcDIB;
		rcDIB.top = rcDIB.left = 0;
		rcDIB.right = Width;
		rcDIB.bottom = Height;          
		::PaintDIB(dc.m_ps.hdc, &ImageRect, (HDIB)hdibImg,
			&rcDIB,&m_CPal);
	}
	CDialog::OnPaint();
	
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCompressDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCompressDlg::OnCompressButton() 
{
	// TODO: Add your control notification handler code here
	PALETTEENTRY  currentPalette[MAX_COLORS];

	CTime MyTime,tTime;

	m_CompressImage.GetWindowRect(ImageRect);
	ScreenToClient(ImageRect);

	ImageRect.top+=12;
	ImageRect.left+=3;
	ImageRect.right-=3;
	ImageRect.bottom-=3;
	
	if(bPaint)
	{	
		m_CPal.DeleteObject();
		GlobalFree(hdibImg);
		hdibImg=NULL;
	}
	
	UpdateData(TRUE);			

	tTime=MyTime.GetCurrentTime();
	m_StartCompressTime=tTime.Format("%H:%M:%S");
    hdibImg=appImgToDIB(m_CompressFile );
		
	bPaint=TRUE;		
	CreateDIBPalette((HDIB)hdibImg, &m_CPal); 
	m_CPal.GetPaletteEntries(0,MAX_COLORS,(LPPALETTEENTRY)&currentPalette);

	_GA_Compress(m_CompressFile,m_CompressedFile);

	tTime=MyTime.GetCurrentTime();
	m_EndCompressTime=tTime.Format("%H:%M:%S");
	
	char msg[30];
	double ratio;
	ratio=Calculate_CompressRatio(m_CompressFile,m_CompressedFile);
	sprintf(msg,"%f",ratio);
	m_CompressRatio=(CString)msg;
	
	UpdateData(FALSE);
	::GlobalUnlock(hdibImg);

	InvalidateRect((LPRECT)&ImageRect,FALSE);
	UpdateWindow();
}


void CCompressDlg::OnDecompressButton() 
{
	// TODO: Add your control notification handler code here
	PALETTEENTRY  currentPalette[MAX_COLORS];
	CTime MyTime,tTime;

	m_DecompressImage.GetWindowRect(ImageRect);
	ScreenToClient(ImageRect);
	ImageRect.top+=12;
	ImageRect.left-=3;
	ImageRect.right-=3;
	ImageRect.bottom-=3;
	
	if(bPaint)
	{	
		m_CPal.DeleteObject();
		GlobalFree(hdibImg);
		hdibImg=NULL;
	}
	
	UpdateData(TRUE);			
	
	tTime=MyTime.GetCurrentTime();
	m_StartDecompressTime=tTime.Format("%H:%M:%S");

	_GA_Decompress(m_CompressedFile,m_DecompressFile);
		
	tTime=MyTime.GetCurrentTime();
	m_EndDecompressTime=tTime.Format("%H:%M:%S");
		
	double SNR;
	char msg[30];
	SNR=Calculate_SNR(m_CompressFile,m_DecompressFile);
	sprintf(msg,"%f",SNR);
	m_SPRRatio=(CString)msg;

    hdibImg=appImgToDIB(m_DecompressFile );
	
	UpdateData(FALSE);

	bPaint=TRUE;		
	CreateDIBPalette((HDIB)hdibImg, &m_CPal); 
	m_CPal.GetPaletteEntries(0,MAX_COLORS,(LPPALETTEENTRY)&currentPalette);
		
	::GlobalUnlock(hdibImg);

	InvalidateRect((LPRECT)&ImageRect,FALSE);
	UpdateWindow();

}

void CCompressDlg::OnCompressExplor() 
{
	// TODO: Add your control notification handler code here
	char FilterString[]="Bitmap File(*.bmp)\0*.bmp\0 All File(*.*)\0*.*\0\0";
	CFileDialog dlg(TRUE);
	dlg.m_ofn.lpstrFilter=FilterString;
	if(dlg.DoModal()==IDOK)  m_CompressFile=dlg.GetPathName();
	UpdateData(FALSE);	
}

void CCompressDlg::OnCompressedExplor() 
{
	// TODO: Add your control notification handler code here
	char FilterString[]="Ari File(*.wsq)\0*.wsq\0 All File(*.*)\0*.*\0\0";
	CFileDialog dlg(FALSE);
	dlg.m_ofn.lpstrFilter=FilterString;
	if(dlg.DoModal()==IDOK)  m_CompressedFile=dlg.GetPathName();
	UpdateData(FALSE);	
}

void CCompressDlg::OnDecompressExplor() 
{
	// TODO: Add your control notification handler code here
	char FilterString[]="Bitmap File(*.bmp)\0*.bmp\0 All File(*.*)\0*.*\0\0";
	CFileDialog dlg(FALSE);
	dlg.m_ofn.lpstrFilter=FilterString;
	if(dlg.DoModal()==IDOK)  m_DecompressFile=dlg.GetPathName();
	UpdateData(FALSE);	
}