HDC Invalid?

      
        void generate( std::string type, int height, int weight )
        {
            base_ = glGenLists( 96 );

	        HFONT font = CreateFont( -height,
						             0, 0, 0,
						             weight,
						             FALSE, FALSE, FALSE,
						             ANSI_CHARSET,
						             OUT_TT_PRECIS,
						             CLIP_DEFAULT_PRECIS,
						             ANTIALIASED_QUALITY,
						             FF_DONTCARE | DEFAULT_PITCH,
						             type.c_str() );


            HDC hdc = wglGetCurrentDC();            
            
	        SelectObject( hdc, font )

	        wglUseFontBitmaps( hdc, 32, 96, base_ )
        }
  
  

      
engine::engine( std::string title, RECT viewport )
    {
        HINSTANCE hInst = GetModuleHandle( NULL );

        WNDCLASSEX WndClass =
        {
            sizeof( WNDCLASSEX ),               // cbSize

            CS_HREDRAW | CS_VREDRAW,            // style

            WndProc,                            // lpfnWndProc

            0, 0,                               // cbClsExtra, cbWndExtra

            hInst,                              // hInstance

            LoadIcon( NULL, IDI_APPLICATION ),  // hIcon

            LoadCursor( NULL, IDC_ARROW ),      // hCursor

            (HBRUSH)GetStockObject( BLACK_BRUSH ),  // hbrBackground

            NULL,                               // lpszMenuName

            "lpszClassName",                    // lpszClassName

            LoadIcon( NULL, IDI_WINLOGO )       // hIconSm

        };

        RegisterClassEx( &WndClass );

        viewport_ = viewport;

	    hwnd_ = CreateWindowEx( WS_EX_APPWINDOW | WS_EX_WINDOWEDGE, // dwExStyle

                                "lpszClassName",            // lpClassName

                                title.c_str(),              // lpWindowName

                                WS_OVERLAPPEDWINDOW,        // dwStyle

                                viewport.left, viewport.top,    // x, y

                                viewport.right, viewport.bottom,    // nWidth, nHeight

		                        NULL,                       // hWndParent

		                        NULL,                       // hMenu

		                        hInst,                      // hInstance

		                        NULL );                     // lpParam



        hdc_ = GetDC( hwnd_ );

        init_gl();

        ShowWindow( hwnd_, SW_SHOW );
        SetForegroundWindow( hwnd_ );
        SetFocus( hwnd_ );
    }

    void engine::init_gl()
    {
        PIXELFORMATDESCRIPTOR descriptor;

        ZeroMemory( &descriptor, sizeof( PIXELFORMATDESCRIPTOR ) );
        descriptor.nSize = sizeof( PIXELFORMATDESCRIPTOR );
        descriptor.nVersion = 1;
        descriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
        descriptor.iPixelType = PFD_TYPE_RGBA;
        descriptor.cColorBits = 32;
        descriptor.cDepthBits = 16;
        descriptor.iLayerType = PFD_MAIN_PLANE;

        int format = ChoosePixelFormat( hdc_, &descriptor );

        SetPixelFormat( hdc_, format, &descriptor );

        hrc_ = wglCreateContext( hdc_ )

        wglMakeCurrent( hdc_, hrc_ );

        resize( viewport_ );
    
        glShadeModel( GL_SMOOTH );
        glEnable( GL_BLEND );

        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
        glClearDepth( 1.0f );
        glEnable( GL_DEPTH_TEST );
        glDepthFunc( GL_LEQUAL );

        font_system = new font();
    }