OpenGL

开发平台：

C/C++

PropDlg.cpp：源码内容

							#include "stdafx.h"
#include "OG.h"
#include "OGDoc.h"
#include "PropDlg.h"
#include "OGView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CPropDlg::CPropDlg(COGView* p) : CDialog(CPropDlg::IDD, p)
{
	m_pView = p;
	//{{AFX_DATA_INIT(CPropDlg)
	//}}AFX_DATA_INIT
}
void CPropDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPropDlg)
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CPropDlg, CDialog)
	//{{AFX_MSG_MAP(CPropDlg)
	ON_WM_HSCROLL()
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_FILENAME, OnFilename)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
void CPropDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
	HWND hwnd = pScrollBar->GetSafeHwnd();
	UINT nID;
	int num = GetSliderNum(hwnd, nID);	// Slider number
	int	delta, newPos;
	
	switch (nSBCode)
	{
	case SB_THUMBTRACK:		
	case SB_THUMBPOSITION:	m_Pos[num] = nPos;	break;
	case SB_LEFT:			delta = -100;		goto New_Pos;
	case SB_RIGHT:			delta = +100;		goto New_Pos;
	case SB_LINELEFT:		delta = -1;			goto New_Pos;
	case SB_LINERIGHT:		delta = +1;			goto New_Pos;
	case SB_PAGELEFT:		delta = -20;		goto New_Pos;
	case SB_PAGERIGHT:		delta = +20;		goto New_Pos;
	New_Pos:
		newPos = m_Pos[num] + delta;
		m_Pos[num] = newPos<0 ? 0 : newPos>100 ? 100 : newPos;
		break;
	case SB_ENDSCROLL:
	default:
		return;
	}
	
	char s[8];
	sprintf (s,"%d",m_Pos[num]);
	SetDlgItemText(nID, (LPCTSTR)s);
	m_pView->SetLightParam (num, m_Pos[num]);
}
int CPropDlg::GetSliderNum(HWND hwnd, UINT& nID)
{
	switch (::GetDlgCtrlID(hwnd))
	{
	case IDC_XPOS:
		nID = IDC_XPOS_TEXT;
		return 0;
	case IDC_YPOS:
		nID = IDC_YPOS_TEXT;
		return 1;
	case IDC_ZPOS:
		nID = IDC_ZPOS_TEXT;
		return 2;
	case IDC_AMBIENT:
		nID = IDC_AMB_TEXT;
		return 3;
	case IDC_DIFFUSE:
		nID = IDC_DIFFUSE_TEXT;
		return 4;
	case IDC_SPECULAR:
		nID = IDC_SPECULAR_TEXT;
		return 5;
	case IDC_AMBMAT:
		nID = IDC_AMBMAT_TEXT;
		return 6;
	case IDC_DIFFMAT:
		nID = IDC_DIFFMAT_TEXT;
		return 7;
	case IDC_SPECMAT:
		nID = IDC_SPECMAT_TEXT;
		return 8;
	case IDC_SHINE:
		nID = IDC_SHINE_TEXT;
		return 9;
	case IDC_EMISSION:
		nID = IDC_EMISSION_TEXT;
		return 10;
	}
	return 0;
}
BOOL CPropDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	m_pView->GetLightParams(m_Pos);
		
	UINT IDs[] =
	{
		IDC_XPOS,	IDC_YPOS,	IDC_ZPOS,
		IDC_AMBIENT,IDC_DIFFUSE,IDC_SPECULAR,
		IDC_AMBMAT,	IDC_DIFFMAT,IDC_SPECMAT,
		IDC_SHINE,	IDC_EMISSION 
	};
	for (int i=0; i<sizeof(IDs)/sizeof(IDs[0]); i++)
	{
		HWND hwnd = GetDlgItem(IDs[i])->GetSafeHwnd();
		UINT nID;
		int num = GetSliderNum(hwnd, nID);
		::SendMessage(hwnd, TBM_SETPOS, TRUE, (LPARAM)m_Pos[i]);
		char s[8];
		sprintf (s,"%d",m_Pos[i]);
		SetDlgItemText(nID, (LPCTSTR)s);
 	}
	return TRUE;
}
void CPropDlg::OnFilename() 
{
	m_pView->ReadData();
}
void CPropDlg::OnClose() 
{
	m_pView->m_pDlg = 0;
	CDialog::OnClose();
	delete this;
}

						