制作一个基于MFC对话框的OpenGL类

GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
　　glLoadIdentity();

　　// EXAMPLE OPENGL CODE START ////////////////////////////////////////////////////////
　　//////////////////////////////////////////////////////////////////////////////
　　static GLfloat xrot; // X Rotation
　　static GLfloat yrot; // Y Rotation
　　static GLfloat zrot; // Z Rotation

　　glPushMatrix(); // Push Matrix Onto Stack (Copy The Current Matrix)
　　glLoadIdentity(); // Reset The Current Modelview Matrix
　　glTranslatef(0.0f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0

　　glRotatef(xrot,1.0f,0.0f,0.0f);
　　glRotatef(yrot,0.0f,1.0f,0.0f);
　　glRotatef(zrot,0.0f,0.0f,1.0f);

　　glBegin(GL_QUADS);
　　// Front Face
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, -1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, 1.0f);
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f(-1.0f, 1.0f, 1.0f);
　　// Back Face
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, -1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f(-1.0f, 1.0f, -1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, -1.0f);
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f( 1.0f, -1.0f, -1.0f);
　　// Top Face
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f(-1.0f, 1.0f, -1.0f);
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f(-1.0f, 1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, -1.0f);
　　// Bottom Face
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, -1.0f);
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f( 1.0f, -1.0f, -1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, -1.0f, 1.0f);
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, 1.0f);
　　// Right face
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f( 1.0f, -1.0f, -1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, -1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, 1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f( 1.0f, -1.0f, 1.0f);
　　// Left Face
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, -1.0f);
　　glColor3f(1.0f,0.0f,0.0f);glVertex3f(-1.0f, -1.0f, 1.0f);
　　glColor3f(0.0f,0.0f,1.0f);glVertex3f(-1.0f, 1.0f, 1.0f);
　　glColor3f(0.0f,1.0f,0.0f);glVertex3f(-1.0f, 1.0f, -1.0f);

　　glEnd();
　　glPopMatrix(); // Pop Matrix Off The Stack

　　xrot+=1.3f;
　　yrot+=1.2f;
　　zrot+=1.4f; // Decrease The Rotation Variable For The Quad
　　//////////////////////////////////////////////////////////////////////////////
　　// EXAMPLE OPENGL CODE END //////////////////////////////////////////////////////////

　　// Swap our scene to the front

　　SwapBuffers(m_hDC);

　　Invalidate(FALSE);
　}

　void COpenGL::OnPaint()
　{
　　CPaintDC dc(this); // device context for painting
　
　　// TODO: Add your message handler code here
　　::ValidateRect ( m_hWnd, NULL );

　　// Do not call CWnd::OnPaint() for painting messages
　}

　void COpenGL::OnSize(UINT nType, int cx, int cy)
　{
　　CWnd::OnSize(nType, cx, cy);

　　// TODO: Add your message handler code here
　　if ( cy==0) { // Prevent A Divide By Zero By
　　　cy=1; // Making Height Equal One
　　}

　　glViewport(0,0,cx,cy); // Reset The Current Viewport

　　glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
　　glLoadIdentity(); // Reset The Projection Matrix

　　gluPerspective(45.0f,(GLfloat)cx/(GLfloat)cy,0.1f,100.0f); // Calculate The Aspect Ratio Of The Window

　　glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix
　　glLoadIdentity(); // Reset The Modelview Matrix

　}

　BOOL COpenGL::SetFullScreen(int width, int height, int depth)
　{
　　if(!m_bInit) return FALSE;
　　if (m_bFullScreen) return TRUE;

　　DEVMODE dmScreenSettings; // Device Mode
　　memset(&dmScreenSettings,0,sizeof(dmScreenSettings)); // Makes Sure Memory's Cleared
　　dmScreenSettings.dmSize=sizeof(dmScreenSettings); // Size Of The Devmode Structure
　　dmScreenSettings.dmPelsWidth = width; // Selected Screen Width
　　dmScreenSettings.dmPelsHeight = height; // Selected Screen Height
　　dmScreenSettings.dmBitsPerPel = depth; // Selected Bits Per Pixel
　　dmScreenSettings.dmFields=DM_BITSPERPEL

关键词：制作一个基于MFC对话框的OpenGL类