guiyihua.cpp

虹膜图像预处理

// GUIYIHUA.cpp : implementation file
//

#include "stdafx.h"
#include "hongmo.h"
#include "GUIYIHUA.h"
#include "Cdib.h"

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

/////////////////////////////////////////////////////////////////////////////
// GUIYIHUA dialog


GUIYIHUA::GUIYIHUA(CWnd* pParent /*=NULL*/,CDib* pDibShow)
	: CDialog(GUIYIHUA::IDD, pParent)
{
	//{{AFX_DATA_INIT(GUIYIHUA)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_pDib = pDibShow;
	m_bCalImgLoc =	FALSE;
}


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


BEGIN_MESSAGE_MAP(GUIYIHUA, CDialog)
	//{{AFX_MSG_MAP(GUIYIHUA)
	ON_WM_PAINT()
	ON_WM_RBUTTONDBLCLK()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// GUIYIHUA message handlers

void GUIYIHUA::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
    if(!m_bCalImgLoc)
	{
		CalImgLocation();
	}
	CSize sizeDisplay;
	CPoint pointDisplay;
	if(m_pDib != NULL)
	{
		if(!m_pDib->IsEmpty())
		{
			sizeDisplay.cx=m_pDib->m_lpBMIH->biWidth;
			sizeDisplay.cy=m_pDib->m_lpBMIH->biHeight;
			pointDisplay.x = m_rectImage.left;
			pointDisplay.y = m_rectImage.top;
			m_pDib->Draw(&dc,pointDisplay,sizeDisplay);	
		}
	}	
	// Do not call CDialog::OnPaint() for painting messages
}

/*************************************************************************
 *   函数名称：
 *   CalImgLocation()
 *   说明:
 *   该函数设置对话框中的控件位置和大小，并设置显示图象的位置。默认的图象大
 *   小为1024×128，如果图象小于此大小，则控件大小设置为1024×128，并将图象
 *   放置在控件中间。
 **************************************************************************/
void GUIYIHUA::CalImgLocation()
{
	// 获得控件IDC_EDITimg的句柄，并获得控件的初始位置信息
	CWnd* pWnd=GetDlgItem(IDC_EDITimg);
	WINDOWPLACEMENT *winPlacement;
	winPlacement=new WINDOWPLACEMENT;
	pWnd->GetWindowPlacement(winPlacement);

	// 图象宽度
	int nImageWidth = 0;	
	// 图象高度
	int nImageHeight = 0;

	if(m_pDib != NULL)
	{
		nImageWidth = m_pDib->m_lpBMIH->biWidth;
		nImageHeight = m_pDib->m_lpBMIH->biHeight;
	}	
	// 调整控件IDC_NormalizImg的大小位置
	if(nImageHeight > 128)
	{		
		winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + nImageHeight;	
		m_rectImage.bottom = winPlacement->rcNormalPosition.bottom;
		m_rectImage.top    = winPlacement->rcNormalPosition.top;		
	}
	else
	{
		winPlacement->rcNormalPosition.bottom = winPlacement->rcNormalPosition.top + 128;
		m_rectImage.bottom = winPlacement->rcNormalPosition.top + 64 + nImageHeight/2;
		m_rectImage.top    = winPlacement->rcNormalPosition.top + 64 - nImageHeight/2;
	}
	if(nImageWidth > 1024)
	{
		winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + nImageWidth;
		m_rectImage.right = winPlacement->rcNormalPosition.right;
		m_rectImage.left  = winPlacement->rcNormalPosition.left;			
	}
	else
	{
		winPlacement->rcNormalPosition.right = winPlacement->rcNormalPosition.left + 1024;
		m_rectImage.right = winPlacement->rcNormalPosition.left + 512 + nImageWidth/2;
		m_rectImage.left  = winPlacement->rcNormalPosition.left + 512 - nImageWidth/2;
	}	
	// 设置IDC_NormalizImg控件的大小位置
	pWnd->SetWindowPlacement(winPlacement);
	
	m_bCalImgLoc = TRUE;
	
	// 释放已分配内存
	delete winPlacement;	
}

void GUIYIHUA::OnRButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	CDialog::OnRButtonDblClk(nFlags, point);
}