www.pudn.com > ColorProcess.rar > GammaCorrection.cpp

// GammaCorrection.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "colorprocess.h" 
#include "GammaCorrection.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGammaCorrection dialog 
 
 
CGammaCorrection::CGammaCorrection(CWnd* pParent /*=NULL*/) 
	: CDialog(CGammaCorrection::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CGammaCorrection) 
	m_strGamma = _T(""); 
	m_nGamma = 0; 
	//}}AFX_DATA_INIT 
 
	m_fGamma = 0.0; 
} 
 
 
void CGammaCorrection::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CGammaCorrection) 
	DDX_Text(pDX, IDC_BRIGHT, m_strGamma); 
	DDX_Slider(pDX, IDC_SLIDER1, m_nGamma); 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CGammaCorrection, CDialog) 
	//{{AFX_MSG_MAP(CGammaCorrection) 
	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER1, OnReleasedcaptureSlider1) 
	ON_WM_HSCROLL() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGammaCorrection message handlers 
 
BOOL CGammaCorrection::OnInitDialog()  
{ 
	CDialog::OnInitDialog(); 
	 
	((CSliderCtrl *)GetDlgItem(IDC_SLIDER1))->SetRangeMin(1, TRUE); 
	((CSliderCtrl *)GetDlgItem(IDC_SLIDER1))->SetRangeMax(50, TRUE); 
	((CSliderCtrl *)GetDlgItem(IDC_SLIDER1))->SetPos(1); 
	m_strGamma = "0.1"; 
	UpdateData(FALSE); 
	 
	return TRUE;  // return TRUE unless you set the focus to a control 
	              // EXCEPTION: OCX Property Pages should return FALSE 
} 
 
void CGammaCorrection::OnReleasedcaptureSlider1(NMHDR* pNMHDR, LRESULT* pResult)  
{ 
	UpdateData(TRUE); 
	m_fGamma = m_nGamma * 0.1; 
	m_strGamma.Format("%.2f", m_fGamma); 
	UpdateData(FALSE); 
 
	*pResult = 0; 
}