dlgcamera.cpp

rfid在wince的平台的驱动

// DlgCamera.cpp : implementation file
//

#include "stdafx.h"
#include "capture.h"
#include "DlgCamera.h"
#include "capture1.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CString InfoBuff;
extern HWND g_DlgHWND;
extern HANDLE g_DecodeEven;
int g_Pause;

extern void Decode();
extern int savetobmpfile(unsigned char *buf,
	unsigned int len,
	unsigned int width,
	unsigned int height,
	unsigned int bpp,
	const char *path);
/////////////////////////////////////////////////////////////////////////////
// CDlgCamera dialog


CDlgCamera::CDlgCamera(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgCamera::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgCamera)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CDlgCamera::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgCamera)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgCamera, CDialog)
	//{{AFX_MSG_MAP(CDlgCamera)
	ON_BN_CLICKED(IDC_PAUSE, OnPause)
	ON_BN_CLICKED(IDC_SAVE, OnSave)
	ON_MESSAGE(WM_DECODESUCC, ShowResult)
	ON_MESSAGE(WM_SHOWINFO, ShowInfo)
	ON_BN_CLICKED(IDC_INIT, OnInit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgCamera message handlers

BOOL CDlgCamera::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
	if((WM_KEYDOWN == pMsg->message) && (FALSE == g_IsContinuous))
	{
		if(((VK_F4 == pMsg->wParam) || (VK_F3 == pMsg->wParam)) && (0 == g_KeyPressed))
		{
			g_KeyPressed = 1;
			SetEvent(g_DecodeEven);
//			SetDlgItemText(IDC_INFO, _T(""));
			NKDbgPrintfW(TEXT("\t\t\tKeyDown\r\n"));
		}
	}
	else if(WM_KEYUP == pMsg->message)
	{
		if((VK_F4 == pMsg->wParam) || (VK_F3 == pMsg->wParam))
		{
			g_KeyPressed = 0;
			NKDbgPrintfW(TEXT("\t\t\tKeyUp\r\n"));
		}
	}
	return CDialog::PreTranslateMessage(pMsg);
}

BOOL CDlgCamera::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	g_DlgHWND = GetSafeHwnd();
	g_Pause = FALSE;
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDlgCamera::ShowResult(WPARAM wParam,LPARAM lParam)
{
	CString Info;
	Info.Format(TEXT("%s"), (char *)lParam);
	SetDlgItemText(IDC_INFO, Info);
	if(!g_IsContinuous)
	{
		savetobmpfile(g_PicBuff, 
					  640*480,
					  640, 
					  480, 
					  8, 
					  ".\\cap-raw.bmp");
	}
}

void CDlgCamera::OnPause() 
{
	// TODO: Add your control notification handler code here
	HANDLE HDecodeThread;
	if(FALSE == g_Pause)
	{
		g_Pause = TRUE;
		g_StartDecode = FALSE;
		PauseCapture();
		SetDlgItemText(IDC_PAUSE, _T("Continue"));
	}
	else
	{
		g_Pause = FALSE;
		g_StartDecode = TRUE;
		ContinueCapture();
		HDecodeThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)Decode,NULL,0,NULL);
		CloseHandle(HDecodeThread);
		SetDlgItemText(IDC_PAUSE, _T("Pause"));
	}
}

void CDlgCamera::OnSave() 
{
	if(g_Pause == FALSE)
	{
		OnPause();
	}
	// TODO: Add your control notification handler code here
	SavePic(g_PicBuff);
	if(savetobmpfile(g_PicBuff, 
				  640*480,
				  640, 
				  480, 
				  8, 
				  ".\\cap-raw.bmp") >= 0)
	{
		SetDlgItemText(IDC_STATUS, _T("Save bmp file SUCC"));
	}
}

void CDlgCamera::ShowInfo(WPARAM wParam,LPARAM lParam)
{
	SetDlgItemText(IDC_STATUS, InfoBuff);
}

void CDlgCamera::OnInit() 
{
	// TODO: Add your control notification handler code here
	InitCapture();
}