OpenGL

开发平台：
Visual C++

FormCommandView.cpp：源码内容
							// FormCommandView.cpp : implementation file
#include "stdafx.h"
#include "Tool.h"
#include "MainFrm.h"
#include "FormCommandView.h"
#include "ToolDoc.h"
#include "RenderView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
// CFormCommandView
IMPLEMENT_DYNCREATE(CFormCommandView, CFormView)
CFormCommandView::CFormCommandView()
: CFormView(CFormCommandView::IDD)
{
	//{{AFX_DATA_INIT(CFormCommandView)
	m_Smooth = FALSE;
	m_Antialias = FALSE;
	//}}AFX_DATA_INIT
}
CFormCommandView::~CFormCommandView()
{
}
void CFormCommandView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFormCommandView)
	DDX_Control(pDX, IDC_FRAME_COLOR_BACK, m_ControlBackColor);
	DDX_Check(pDX, IDC_CHECK_SMOOTH, m_Smooth);
	DDX_Check(pDX, IDC_CHECK_ANTIALIAS, m_Antialias);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CFormCommandView, CFormView)
	//{{AFX_MSG_MAP(CFormCommandView)
	ON_WM_PAINT()
	ON_WM_LBUTTONUP()
	ON_BN_CLICKED(IDC_RADIO_MODEL_1, OnRadioModel1)
	ON_BN_CLICKED(IDC_RADIO_MODEL_2, OnRadioModel2)
	ON_BN_CLICKED(IDC_CHECK_SMOOTH, OnCheckSmooth)
	ON_BN_CLICKED(IDC_CHECK_ANTIALIAS, OnCheckAntialias)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CFormCommandView diagnostics
#ifdef _DEBUG
void CFormCommandView::AssertValid() const
{
	CFormView::AssertValid();
}
void CFormCommandView::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}
CToolDoc* CFormCommandView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CToolDoc)));
	return (CToolDoc*)m_pDocument;
}
#endif //_DEBUG
// OnPaint
void CFormCommandView::OnPaint() 
{
	// Device context for painting
	CPaintDC dc(this); 
	
	// Options are stored in Application
	CToolApp *pApp = (CToolApp *)AfxGetApp();
	CRect rect;
	
	// Color back
	m_ControlBackColor.GetWindowRect(&rect);	
	ScreenToClient(&rect);
	CBrush BrushBack(pApp->m_OptionColorGlBack);
	dc.FillRect(&rect,&BrushBack);
}
// OnLButtonUp
void CFormCommandView::OnLButtonUp(UINT nFlags, 
																	 CPoint point) 
{
	CRect rect;
	CToolApp *pApp = (CToolApp *)AfxGetApp();
	
	// Option back color
	m_ControlBackColor.GetWindowRect(&rect);	
	ScreenToClient(&rect);
	if(rect.PtInRect(point))
	{
		CColorDialog dlg(pApp->m_OptionColorGlBack);
		if(dlg.DoModal()==IDOK)
		{
			pApp->m_OptionColorGlBack = dlg.GetColor();	
			CRenderView *pView = (CRenderView *)GetRenderView();
			pView->m_ClearColorRed   = (float)GetRValue(pApp->m_OptionColorGlBack) / 255.0f;
			pView->m_ClearColorGreen = (float)GetGValue(pApp->m_OptionColorGlBack) / 255.0f;
			pView->m_ClearColorBlue  = (float)GetBValue(pApp->m_OptionColorGlBack) / 255.0f;
			this->InvalidateRect(&rect,FALSE);
			pView->InvalidateRect(NULL,FALSE);
		}
	}
	CFormView::OnLButtonUp(nFlags, point);
}
// GetRenderView
CView *CFormCommandView::GetRenderView() 
{
	CToolApp *pApp = (CToolApp *)AfxGetApp();
	CMainFrame *pFrame = (CMainFrame *)pApp->m_pMainWnd;
	CView *pView = (CView *)pFrame->m_wndSplitter.GetPane(0,1);
	return pView;
}
// Model
void CFormCommandView::OnRadioModel1() 
{
	glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
	this->GetRenderView()->InvalidateRect(NULL,FALSE); 
}
void CFormCommandView::OnRadioModel2() 
{
	glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
	this->GetRenderView()->InvalidateRect(NULL,FALSE); 
}
// OnCheckSmooth
void CFormCommandView::OnCheckSmooth() 
{
	m_Smooth = !m_Smooth;
	if(m_Smooth)
		glShadeModel(GL_SMOOTH);
	else
		glShadeModel(GL_FLAT);
	this->GetRenderView()->InvalidateRect(NULL,FALSE); 
	
}
// OnCheckAntialias
// Toggle antialiased lines
void CFormCommandView::OnCheckAntialias() 
{
	m_Antialias = !m_Antialias;
	if(m_Antialias)
	{
		glEnable(GL_LINE_SMOOTH);
		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
		glHint(GL_LINE_SMOOTH_HINT,GL_NICEST);
		glLineWidth(1.5f);
	}
	else
	{
		glDisable(GL_LINE_SMOOTH);
		glDisable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
		glHint(GL_LINE_SMOOTH_HINT,GL_NICEST);
		glLineWidth(1.0f);
	}
	GetRenderView()->InvalidateRect(NULL,FALSE); 
}

						