问用于绘制的MFC和OpenGL事件

EN

void CglSDI3View::setupScene()
{

wglMakeCurrent(m_hDC, m_hRC);

// Clear color and depth buffer bits
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

// Wireframe Mode
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

glBegin(GL_QUADS);
// Front Side
glVertex3f(1.0f, 1.0f, 1.0f);
glVertex3f(-1.0f, 1.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glVertex3f(1.0f, -1.0f, 1.0f);

// Back Side
glVertex3f(-1.0f, -1.0f, -1.0f);
glVertex3f(-1.0f, 1.0f, -1.0f);
glVertex3f(1.0f, 1.0f, -1.0f);
glVertex3f(1.0f, -1.0f, -1.0f);

// Top Side

(...)

glEnd();

SwapBuffers(m_hDC);


}

void CglSDI3View::OnDraw(CDC* /*pDC*/)
{
CglSDI3Doc* pDoc = GetDocument();

wglMakeCurrent(m_hDC, m_hRC);

glLoadIdentity();

glTranslatef(0.0f, 0.0f, -m_fZoom);
glTranslatef(m_fPosX, m_fPosY, 0.0f);
glRotatef(m_fRotX, 1.0f, 0.0f, 0.0f);
glRotatef(m_fRotY, 0.0f, 1.0f, 0.0f);

setupScene();

wglMakeCurrent(NULL, NULL);

ValidateRect(NULL);
}