在对话框picture control中利用opengl进行绘图

照着写的一个Demo，，地址如下，Demo

 

 

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 <gl/gl.h>

#include <gl/glu.h>

#include <gl/glaux.h>





#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;

pixelDesc.cColorBits = 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_)