基于MFC的对话框Dialog的OpenGL程序框架

基于MFC的对话框Dialog的OpenGL程序框架 收藏
建立一个基于对话框的工程(名称:OpenGL)

并且在设置的Link里加入库opengl32.lib glu32.lib glaux.lib

为对话框添加picture control 控件,ID:IDC_RENDER

主要程序:

// OpenGLDlg.cpp : implementation file
//

#include "stdafx.h"
#include "OpenGL.h"
#include "OpenGLDlg.h"


#include
#include
#include


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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
CAboutDlg();


// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA

// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL

// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT



}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COpenGLDlg dialog

COpenGLDlg::COpenGLDlg(CWnd* pParent /*=NULL*/)
: CDialog(COpenGLDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(COpenGLDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32

PixelFormat=0;
m_yRotate = 0;
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

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

BEGIN_MESSAGE_MAP(COpenGLDlg, CDialog)
//{{AFX_MSG_MAP(COpenGLDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COpenGLDlg message handlers

BOOL COpenGLDlg::OnInitDialog()
{
CDialog::OnInitDialog();

// Add "About..." menu item to system menu.

// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);

CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty

())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}

// Set the icon for this dialog. The framework does this automatically
// when the application’s main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon

///////////////////////OPENGL INIT/////////////////////////
CWnd *wnd=GetDlgItem(IDC_RENDER);
hrenderDC=::GetDC(wnd->m_hWnd);
if(SetWindowPixelFormat(hrenderDC)==FALSE)
return 0;

if(CreateViewGLContext(hrenderDC)==FALSE)
return 0;
glPolygonMode(GL_FRONT,GL_FILL);
glPolygonMode(GL_BACK,GL_FILL);
///////////////////////////////////////////



glEnable(GL_TEXTURE_2D);
glShadeModel(GL_SMOOTH);
glViewport(0,0,259,231);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45,1,0.1,100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glClearDepth(1.0f); // Depth Buffer Setup
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
/////////////////////////////////////////////////////////////////////////
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);

SetTimer(1,10,0);

////////////////////////////////////////////////////////////////

// TODO: Add extra initialization here

return TRUE; // return TRUE unless you set the focus to a control
}

void COpenGLDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}

// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.

void COpenGLDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}

// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR COpenGLDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}



BOOL COpenGLDlg::SetWindowPixelFormat(HDC hDC)
{
PIXELFORMATDESCRIPTOR pixelDesc;

pixelDesc.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pixelDesc.nVersion =

1;

pixelDesc.dwFlags = PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER |
PFD_TYPE_RGBA;

pixelDesc.iPixelType = PFD_TYPE_RGBA;
olorBits = 32;
pixelDesc.cRedBits = 0;
pixelDesc.cRedShift = 0;
pixelDesc.cGreenBits = 0;
pixelDesc.cGreenShift = 0;
pixelDesc.cBlueBits = 0;
pixelDesc.cBlueShift = 0;
pixelDesc.cAlphaBits = 0;
pixelDesc.cAlphaShift = 0;
pixelDesc.cAccumBits = 0;
pixelDesc.cAccumRedBits = 0;
pixelDesc.cAccumGreenBits = 0;
pixelDesc.cAccumBlueBits = 0;
pixelDesc.cAccumAlphaBits = 0;
pixelDesc.cDepthBits = 0;
pixelDesc.cStencilBits = 1;
pixelDesc.cAuxBuffers = 0;
pixelDesc.iLayerType = PFD_MAIN_PLANE;
pixelDesc.bReserved = 0;
pixelDesc.dwLayerMask = 0;
pixelDesc.dwVisibleMask = 0;
pixelDesc.dwDamageMask = 0;

PixelFormat = ChoosePixelFormat(hDC,&pixelDesc);
if(PixelFormat==0) // Choose default
{
PixelFormat = 1;
if(DescribePixelFormat(hDC,PixelFormat,
sizeof(PIXELFORMATDESCRIPTOR),&pixelDesc)==0)
{
return FALSE;
}
}

if(SetPixelFormat(hDC,PixelFormat,&pixelDesc)==FALSE)

{
return FALSE;
}

return TRUE;
}


BOOL COpenGLDlg::CreateViewGLContext(HDC hDC)
{
hrenderRC = wglCreateContext(hDC);

if(hrenderRC==NULL)
return FALSE;

if(wglMakeCurrent(hDC,hrenderRC)==FALSE)
return FALSE;



return TRUE;
}

void COpenGLDlg::RenderScene()
{


/////////////////////////////////////////////////
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);


glLoadIdentity();
glTranslatef(0.0f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0
glRotated(m_yRotate, 0.0, 1.0, 0.0);
glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top
glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left
glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right
glEnd(); // Finished Drawing The Triangle
SwapBuffers(hrenderDC);
}

void COpenGLDlg::OnTimer(UINT nIDEvent) //实时绘制场景
{
// TODO: Add your message handler code here and/or call default
RenderScene();
m_yRotate +=3;
CDialog::OnTimer(nIDEvent);
}




// OpenGLDlg.h : header file
//

#if !defined(AFX_OPENGLDLG_H__8E962FCE_4DD3_4AE0_BA13_D93DE3FBA4A1__INCLUDED_)
#define AFX_OPENGLDLG_H__8E962FCE_4DD3_4AE0_BA13_D93DE3FBA4A1__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// COpenGLDlg dialog

class COpenGLDlg : public CDialog
{
// Construction
public:
COpenGLDlg(CWnd* pParent = NULL); // standard constructor


BOOL SetWindowPixelFormat(HDC hDC); //设定象素格式
BOOL CreateViewGLContext(HDC hDC); //View GL Context
void RenderScene(); //绘制场景

HDC hrenderDC; //DC
HGLRC hrenderRC; //RC
float m_yRotate; //转速

int PixelFormat;



// Dialog Data
//{{AFX_DATA(COpenGLDlg)
enum { IDD = IDD_OPENGL_DIALOG };
// NOTE: the ClassWizard will add data members here
//}}AFX_DATA

// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(COpenGLDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL

// Implementation
protected:
HICON m_hIcon;

// Generated message map functions
//{{AFX_MSG(COpenGLDlg)
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
afx_msg void OnTimer(UINT nIDEvent);
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_OPENGLDLG_H__8E962FCE_4DD3_4AE0_BA13_D93DE3FBA4A1__INCLUDED_)