help.cpp

基于EVC开发的图片集文件浏览和图片浏览为一体的程序

// Help.cpp : implementation file
//

#include "stdafx.h"
#include "PicImg.h"
#include "Help.h"

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

/////////////////////////////////////////////////////////////////////////////
// Help dialog


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


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


BEGIN_MESSAGE_MAP(Help, CDialog)
	//{{AFX_MSG_MAP(Help)
	ON_WM_LBUTTONUP()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Help message handlers

void Help::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if(InRect(m_rtsure.left,m_rtsure.top,m_rtsure.right,m_rtsure.bottom,point.x,point.y))
		OnOK();

	CDialog::OnLButtonUp(nFlags, point);
}

void Help::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	CDC memdc;
	
	memdc.CreateCompatibleDC(&dc);
	memdc.SelectObject(m_bg);
	
	dc.BitBlt(0,0,480,320,&memdc,0,0,SRCCOPY);	
	memdc.DeleteDC();
	// Do not call CDialog::OnPaint() for painting messages
}

BOOL Help::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
    this->SetWindowPos(NULL, 0, 0, 480, 320, SWP_SHOWWINDOW);
	m_bg.LoadBitmap( IDB_HELP );
	m_rtsure = CRect(400,250,460,300);
    CenterWindow( NULL );	// center to the hpc screen

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

BOOL Help::InRect(int left, int top, int right, int bottom, int px, int py)
{
	if((left < 0) || (left > 640))
		return FALSE;
	if((right < 0) || (right > 640))
		return FALSE;
	if((top < 0) || (top > 480))
		return FALSE;
	if((bottom < 0) || (bottom > 480))
		return FALSE;
	if((px < 0) || (px > 640))
		return FALSE;
	if((py < 0) || (py > 480))
		return FALSE;

	if((px>=left)&&(px<=right) && (py>=top)&&(py<=bottom))
		return TRUE;
	return FALSE;

}