MFC opengl 记录

MFC opengl 记录

https://www.songho.ca/opengl/gl_mvc.html
https://www.opengldn.com/codes

glWin.exe

这个地球 可以转动
代码是 vs2015 win32 写的，不是MFC工程,有main.cpp文件
而且代码有错误，编译不出来，有错误

 INT_PTR CALLBACK DialogProc ( HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
void ControllerGL::runThread()
{
    // set the current RC in this thread
    ::wglMakeCurrent(view->getDC(), view->getRC());

    // initialize OpenGL states
    model->init();
    Win::log(L"Initialized OpenGL states.");

    // load bmp and create texture
    HBITMAP hBitmap = (HBITMAP)LoadImage(::GetModuleHandle(0), MAKEINTRESOURCE(IDB_BITMAP_EARTH),
                                         IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
    if(hBitmap)
    {
        // get bitmap info
        BITMAPINFO bitmap;
        bitmap.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
        ::GetDIBits(view->getDC(), hBitmap, 0, 0, 0, &bitmap, DIB_RGB_COLORS);
        int width = bitmap.bmiHeader.biWidth;
        int height = bitmap.bmiHeader.biHeight;         // negative means top-to-bottom orientation
        int bitCount = bitmap.bmiHeader.biBitCount;     // bits per pixel
        int byteCount = bitmap.bmiHeader.biSizeImage;   // # of bytes of bitmap

        // get bitmap data as BGR
        unsigned char* buffer = new unsigned char[byteCount];
        int result = ::GetDIBits(view->getDC(), hBitmap, 0, height, buffer, &bitmap, DIB_RGB_COLORS);

glWinSimple

OrbitCamera

OrbitCamera