fixedregion.cpp

一个摄像机的程序

// RenderSoft CamStudio
//
// Copyright 2001 RenderSoft Software & Web Publishing
// 
//
// FixedRegion.cpp : implementation file
//

#include "stdafx.h"
#include "vscap.h"
#include "FixedRegion.h"

#include <stdio.h>

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

extern int maxxScreen;
extern int maxyScreen;
extern int capturewidth;
extern int captureheight;

extern HWND hMouseCaptureWnd;
extern int DefineMode;
extern int MouseCaptureMode;
extern HWND hWnd_FixedRegion;

extern RECT   rcUse; 


/////////////////////////////////////////////////////////////////////////////
// CFixedRegion dialog


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


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


BEGIN_MESSAGE_MAP(CFixedRegion, CDialog)
	//{{AFX_MSG_MAP(CFixedRegion)
	ON_BN_CLICKED(IDSELECT, OnSelect)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_USER_REGIONUPDATE, OnRegionUpdate)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFixedRegion message handlers

void CFixedRegion::OnOK() 
{
	// TODO: Add extra validation here
	CString widthstr;
	CString heightstr;

	int width;
	int height;
	
	((CEdit *) GetDlgItem(IDC_WIDTH))->GetWindowText(widthstr);
	((CEdit *) GetDlgItem(IDC_HEIGHT))->GetWindowText(heightstr);

	sscanf(LPCTSTR(widthstr),"%d",&width);
	sscanf(LPCTSTR(heightstr),"%d",&height);


	if (width<=0) {

		CString msgstr;
		msgstr.Format("The width must be greater than 0");
		MessageBox(msgstr,"Note",MB_OK | MB_ICONEXCLAMATION);
		return;


	}

	if (width>maxxScreen) {

		CString msgstr;
		msgstr.Format("The width must be smaller than the screen width (%d)",maxxScreen);
		MessageBox(msgstr,"Note",MB_OK | MB_ICONEXCLAMATION);
		return;


	}

	if (height<=0) {

		CString msgstr;
		msgstr.Format("The height must be greater than 0");
		MessageBox(msgstr,"Note",MB_OK | MB_ICONEXCLAMATION);
		return;

	}

	if (height>maxyScreen) {

		CString msgstr;
		msgstr.Format("The height must be smaller than the screen height (%d)",maxyScreen);
		MessageBox(msgstr,"Note",MB_OK | MB_ICONEXCLAMATION);
		return;


	}


	capturewidth= width;
	captureheight= height;

		
	CDialog::OnOK();
}

BOOL CFixedRegion::OnInitDialog() 
{
	CDialog::OnInitDialog();


	// TODO: Add extra initialization here
	CString widthstr;
	CString heightstr;
	
	widthstr.Format("%d",capturewidth);
	heightstr.Format("%d",captureheight);
	
	((CEdit *) GetDlgItem(IDC_WIDTH))->SetWindowText(widthstr);
	((CEdit *) GetDlgItem(IDC_HEIGHT))->SetWindowText(heightstr);

	((CStatic *) GetDlgItem(IDC_MSG))->SetWindowText("");

	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CFixedRegion::OnSelect() 
{
	// TODO: Add your control notification handler code here
	((CStatic *) GetDlgItem(IDC_MSG))->SetWindowText("Click and drag to define a rectangle");
	
	MouseCaptureMode = 1; //set temporarily to 1
	DefineMode = 1;
	hWnd_FixedRegion = m_hWnd;
	::ShowWindow(hMouseCaptureWnd,SW_MAXIMIZE);
	::UpdateWindow(hMouseCaptureWnd);	

	((CStatic *) GetDlgItem(IDC_MSG))->SetWindowText("");
	
}


void CFixedRegion::OnRegionUpdate (UINT wParam, LONG lParam) {


	CString widthstr;
	CString heightstr;

	int width,height;

	width=rcUse.right-rcUse.left+1;
	height=rcUse.bottom-rcUse.top+1;
	
	widthstr.Format("%d",width);
	heightstr.Format("%d",height);
	
	((CEdit *) GetDlgItem(IDC_WIDTH))->SetWindowText(widthstr);
	((CEdit *) GetDlgItem(IDC_HEIGHT))->SetWindowText(heightstr);


}