файл sample.cpp
| Код |
#include <afxwin.h>
#include <math.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "sample.h"
CSample App;
HGLRC rc;
CClientDC *m_pDC;
int WindX, WindY;
BOOL CSample::InitInstance() {
m_pMainWnd = new CMainWin;
m_pMainWnd->ShowWindow(m_nCmdShow);
m_pMainWnd->UpdateWindow();
return TRUE;
}
CMainWin::CMainWin()
{
Create(NULL, "OpenGL MFC Sample");
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cRedBits = 0;
pfd.cRedShift = 0;
pfd.cGreenBits = 0;
pfd.cGreenShift = 0;
pfd.cBlueBits = 0;
pfd.cBlueShift = 0;
pfd.cAlphaBits = 0;
pfd.cAlphaShift = 0;
pfd.cAccumBits = 0;
pfd.cAccumRedBits = 0;
pfd.cAccumGreenBits = 0;
pfd.cAccumBlueBits = 0;
pfd.cAccumAlphaBits = 0;
pfd.cDepthBits = 32;
pfd.cStencilBits = 0;
pfd.cAuxBuffers = 0;
pfd.iLayerType = PFD_MAIN_PLANE;
pfd.bReserved = 0;
pfd.dwLayerMask = 0;
pfd.dwVisibleMask = 0;
pfd.dwDamageMask = 0;
m_pDC = new CClientDC(this);
HDC hdc = m_pDC->GetSafeHdc();
int pixelFormat = ChoosePixelFormat(hdc, &pfd);
if (pixelFormat == 0)
{
MessageBox("Error in Pixel format choosing!");
return;
}
BOOL bresult = SetPixelFormat(hdc, pixelFormat, &pfd);
if (!bresult)
{
MessageBox("Error in Pixel format registering!");
return;
}
rc = wglCreateContext(hdc);
if (!rc)
{
MessageBox("Error in OpenGL context create!");
return;
}
wglMakeCurrent(hdc, rc);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glViewport(0, 0, 400, 300);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(-1, 1, -1, 1);
glMatrixMode(GL_MODELVIEW);
}
BOOL CMainWin::PreCreateWindow(CREATESTRUCT &cs)
{
cs.cx = 400;
cs.cy = 300;
cs.x = 200;
cs.y = 200;
WindX = cs.x;
WindY = cs.y;
cs.style = (WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_SYSMENU | WS_MINIMIZEBOX);
return CFrameWnd::PreCreateWindow(cs);
}
afx_msg void CMainWin::OnDestroy()
{
HDC hdc = m_pDC->GetSafeHdc();
wglMakeCurrent(hdc, rc);
wglDeleteContext(rc);
CFrameWnd::OnDestroy();
}
afx_msg void CMainWin::OnPaint()
{
CPaintDC dc(this);
HDC hdc = m_pDC->GetSafeHdc();
wglMakeCurrent(hdc, rc);
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_TRIANGLES);
glColor3f(1.0f, 0.0f, 0.0f); glVertex2f(-0.5f, -0.5f);
glColor3f(0.0f, 1.0f, 0.0f); glVertex2f(0.5f, -0.5f);
glColor3f(0.0f, 0.0f, 1.0f); glVertex2f(0.0f, 0.5f);
glEnd();
glFinish();
SwapBuffers(wglGetCurrentDC());
}
BEGIN_MESSAGE_MAP(CMainWin, CFrameWnd)
ON_WM_PAINT()
ON_WM_DESTROY()
END_MESSAGE_MAP()
|
файл sample.h
| Код |
#include <afxext.h>
class CSample : public CWinApp
{
public:
BOOL InitInstance();
};
class CMainWin : public CFrameWnd
{
public:
CMainWin();
BOOL PreCreateWindow(CREATESTRUCT &cs);
afx_msg void OnDestroy();
afx_msg void OnPaint();
DECLARE_MESSAGE_MAP()
};
|
правка
Код не мой, не помню где брал. |
