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// Crc32Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "Crc32.h"
#include "Crc32Dlg.h"
#include "Crc32Dynamic.h"
#include "Crc32Static.h"
#include "HiResTimer.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCrc32Dlg dialog
CCrc32Dlg::CCrc32Dlg(CWnd *pParent)
: CDialog(CCrc32Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCrc32Dlg)
m_nCrc32Method = 0;
m_strFilename = _T("");
//}}AFX_DATA_INIT
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
CCrc32Dlg::~CCrc32Dlg()
{
}
void CCrc32Dlg::DoDataExchange(CDataExchange *pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCrc32Dlg)
DDX_CBIndex(pDX, IDC_COMBO_CRC32_METHOD, m_nCrc32Method);
DDX_Text(pDX, IDC_EDIT_FILENAME, m_strFilename);
DDV_MaxChars(pDX, m_strFilename, 256);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCrc32Dlg, CDialog)
//{{AFX_MSG_MAP(CCrc32Dlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BROWSE, OnBrowse)
ON_BN_CLICKED(IDC_CRC32, OnCrc32)
ON_EN_CHANGE(IDC_EDIT_FILENAME, OnChangeFilename)
ON_BN_CLICKED(IDC_CLEAR, OnClear)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCrc32Dlg message handlers
BOOL CCrc32Dlg::OnInitDialog()
{
CDialog::OnInitDialog();
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
OnChangeFilename();
return TRUE; // return TRUE unless you set the focus to a control
}
// 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 CCrc32Dlg::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();
}
}
HCURSOR CCrc32Dlg::OnQueryDragIcon()
{
return (HCURSOR)m_hIcon;
}
//***********************************************
void CCrc32Dlg::OnBrowse()
{
CFileDialog dlg(TRUE, NULL, NULL, OFN_FILEMUSTEXIST, NULL, this);
if(dlg.DoModal() == IDOK)
SetDlgItemText(IDC_EDIT_FILENAME, dlg.GetPathName());
}
//***********************************************
void CCrc32Dlg::OnCrc32()
{
UpdateData();
CWaitCursor wait;
DWORD dwCrc32, dwErrorCode = NO_ERROR;
CCrc32Dynamic *pobCrc32Dynamic = NULL;
CHiResTimer obTimer; obTimer.Start();
switch(m_nCrc32Method)
{
case 0: // Dynamic C++ Streams
pobCrc32Dynamic = new CCrc32Dynamic;
pobCrc32Dynamic->Init();
dwErrorCode = pobCrc32Dynamic->FileCrc32Streams(m_strFilename, dwCrc32);
pobCrc32Dynamic->Free();
delete pobCrc32Dynamic;
break;
case 1: // Dynamic Win32 I/O
pobCrc32Dynamic = new CCrc32Dynamic;
pobCrc32Dynamic->Init();
dwErrorCode = pobCrc32Dynamic->FileCrc32Win32(m_strFilename, dwCrc32);
pobCrc32Dynamic->Free();
delete pobCrc32Dynamic;
break;
case 2: // Dynamic Filemaps
pobCrc32Dynamic = new CCrc32Dynamic;
pobCrc32Dynamic->Init();
dwErrorCode = pobCrc32Dynamic->FileCrc32Filemap(m_strFilename, dwCrc32);
pobCrc32Dynamic->Free();
delete pobCrc32Dynamic;
break;
case 3: // Dynamic Assembly
pobCrc32Dynamic = new CCrc32Dynamic;
pobCrc32Dynamic->Init();
dwErrorCode = pobCrc32Dynamic->FileCrc32Assembly(m_strFilename, dwCrc32);
pobCrc32Dynamic->Free();
delete pobCrc32Dynamic;
break;
case 4: // Static C++ Streams
dwErrorCode = CCrc32Static::FileCrc32Streams(m_strFilename, dwCrc32);
break;
case 5: // Static Win32 I/O
dwErrorCode = CCrc32Static::FileCrc32Win32(m_strFilename, dwCrc32);
break;
case 6: // Static Filemaps
dwErrorCode = CCrc32Static::FileCrc32Filemap(m_strFilename, dwCrc32);
break;
case 7: // Static Assembly
dwErrorCode = CCrc32Static::FileCrc32Assembly(m_strFilename, dwCrc32);
break;
}
obTimer.Stop();
CString strResult;
if(dwErrorCode == NO_ERROR)
strResult.Format(_T("0x%08x"), dwCrc32);
else
strResult.Format(_T("Error: [0x%08x]"), dwErrorCode);
SetDlgItemText(IDC_EDIT_CRC32, strResult);
strResult.Format(_T("%f"), obTimer.GetTime());
SetDlgItemText(IDC_EDIT_TIME, strResult);
}
//***********************************************
void CCrc32Dlg::OnChangeFilename()
{
UpdateData();
GetDlgItem(IDC_CRC32)->EnableWindow(!m_strFilename.IsEmpty());
// Clear the results
OnClear();
}
//***********************************************
void CCrc32Dlg::OnClear()
{
SetDlgItemText(IDC_EDIT_CRC32, _T(""));
SetDlgItemText(IDC_EDIT_TIME, _T(""));
}
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