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bin/qbix/QbixRube.cpp  view on Meta::CPAN

}

GLvoid KillGLWindow(GLvoid) {
    if (fullscreen) {
        ChangeDisplaySettings(NULL,0);
        ShowCursor(TRUE);
    }
    if (hRC) {
        if (!wglMakeCurrent(NULL,NULL)) {
            MessageBox(NULL,"Release Of DC And RC Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
        }
        if (!wglDeleteContext(hRC)) {
            MessageBox(NULL,"Release Rendering Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
        }
        hRC=NULL;
    }
    if (hDC && !ReleaseDC(hWnd,hDC)) {
        MessageBox(NULL,"Release Device Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
        hDC=NULL;
    }
    if (hWnd && !DestroyWindow(hWnd)) {
        MessageBox(NULL,"Could Not Release hWnd.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
        hWnd=NULL;
    }
    if (!UnregisterClass("OpenGL",hInstance)) {
        MessageBox(NULL,"Could Not Unregister Class.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
        hInstance=NULL;
    }
    KillFont();
}

/*	This Code Creates Our OpenGL Window.  Parameters Are:					*
 *	title			- Title To Appear At The Top Of The Window				*
 *	width			- Width Of The GL Window Or Fullscreen Mode				*
 *	height			- Height Of The GL Window Or Fullscreen Mode			*
 *	bits			- Number Of Bits To Use For Color (8/16/24/32)			*
 *	fullscreenflag	- Use Fullscreen Mode (TRUE) Or Windowed Mode (FALSE)	*/
 
BOOL CreateGLWindow(char* title, int width, int height, int bits, bool fullscreenflag) {
    GLuint          PixelFormat;
    WNDCLASS        wc;
    DWORD           dwExStyle;
    DWORD           dwStyle;
    RECT            WindowRect;
    WindowRect.left=(long)0;
    WindowRect.right=(long)width;
    WindowRect.top=(long)0;
    WindowRect.bottom=(long)height;

    fullscreen=fullscreenflag;

    hInstance                   = GetModuleHandle(NULL);
    wc.style                    = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
    wc.lpfnWndProc              = (WNDPROC) WndProc;
    wc.cbClsExtra               = 0;
    wc.cbWndExtra               = 0;
    wc.hInstance                = hInstance;
    wc.hIcon                    = LoadIcon(NULL, IDI_WINLOGO);
    wc.hCursor                  = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground            = NULL;
    wc.lpszMenuName             = NULL;
    wc.lpszClassName            = "OpenGL";

    if (!RegisterClass(&wc)) {
        MessageBox(NULL,"Failed To Register The Window Class.","ERROR",MB_OK|MB_ICONEXCLAMATION);
        return FALSE;
    }

    if (fullscreen) {
        DEVMODE dmScreenSettings;
        memset(&dmScreenSettings,0,sizeof(dmScreenSettings));
        dmScreenSettings.dmSize=sizeof(dmScreenSettings);
        dmScreenSettings.dmPelsWidth    = width;
        dmScreenSettings.dmPelsHeight   = height;
        dmScreenSettings.dmBitsPerPel   = bits;
        dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;

        // Try To Set Selected Mode And Get Results.  NOTE: CDS_FULLSCREEN Gets Rid Of Start Bar.
        if (ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL) {
                // If The Mode Fails, Offer Two Options.  Quit Or Use Windowed Mode.
            if (MessageBox(NULL,"The Requested Fullscreen Mode Is Not Supported By\nYour Video Card. Use Windowed Mode Instead?","Pipz GL",MB_YESNO|MB_ICONEXCLAMATION)==IDYES) {
                fullscreen=FALSE;
            } else {
                // Pop Up A Message Box Letting User Know The Program Is Closing.
                MessageBox(NULL,"Program Will Now Close.","ERROR",MB_OK|MB_ICONSTOP);
                return FALSE;
            }
        }
    }

    if (fullscreen) {
        dwExStyle=WS_EX_APPWINDOW;
        dwStyle=WS_POPUP;
        ShowCursor(FALSE);
    } else {
        dwExStyle=WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
        dwStyle=WS_OVERLAPPEDWINDOW;
    }

    AdjustWindowRectEx(&WindowRect, dwStyle, FALSE, dwExStyle);

    // Create The Window
    if (!(hWnd=CreateWindowEx( dwExStyle, "OpenGL", title, dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
                               0, 0, WindowRect.right-WindowRect.left, WindowRect.bottom-WindowRect.top,
                               NULL, NULL, hInstance, NULL))) {
        KillGLWindow();
        MessageBox(NULL,"Window Creation Error.","ERROR",MB_OK|MB_ICONEXCLAMATION);
        return FALSE;
    }

    static  PIXELFORMATDESCRIPTOR pfd={
            sizeof(PIXELFORMATDESCRIPTOR),
            1,
            PFD_DRAW_TO_WINDOW |
            PFD_SUPPORT_OPENGL |
            PFD_DOUBLEBUFFER,
            PFD_TYPE_RGBA,
            bits,
            0, 0, 0, 0, 0, 0,
            0,
            0,