C++ wxVideoMode::GetHeight方法代码示例

static bool wxCreateMGL_WM(const wxVideoMode& displayMode)
{
    int mode;
    int refresh = MGL_DEFAULT_REFRESH;

#if wxUSE_SYSTEM_OPTIONS
    if ( wxSystemOptions::HasOption(wxT("mgl.screen-refresh")) )
        refresh = wxSystemOptions::GetOptionInt(wxT("mgl.screen-refresh"));
#endif

    mode = MGL_findMode(displayMode.GetWidth(),
                        displayMode.GetHeight(),
                        displayMode.GetDepth());
    if ( mode == -1 )
    {
        wxLogError(_("Mode %ix%i-%i not available."),
                     displayMode.GetWidth(),
                     displayMode.GetHeight(),
                     displayMode.GetDepth());
        return false;
    }
    g_displayDC = new MGLDisplayDC(mode, 1, refresh);
    if ( !g_displayDC->isValid() )
    {
        delete g_displayDC;
        g_displayDC = NULL;
        return false;
    }

    g_winMng = MGL_wmCreate(g_displayDC->getDC());
    if (!g_winMng)
        return false;

    return true;
}

bool wxDisplayImplMacOSX::ChangeMode( const wxVideoMode& mode )
{
#ifndef __WXOSX_IPHONE__
    if (mode == wxDefaultVideoMode)
    {
        CGRestorePermanentDisplayConfiguration();
        return true;
    }
#endif

    boolean_t bExactMatch;
    CFDictionaryRef theCGMode = CGDisplayBestModeForParametersAndRefreshRate(
        m_id,
        (size_t)mode.GetDepth(),
        (size_t)mode.GetWidth(),
        (size_t)mode.GetHeight(),
        (double)mode.GetRefresh(),
        &bExactMatch );

    bool bOK = bExactMatch;

    if (bOK)
        bOK = CGDisplaySwitchToMode( m_id, theCGMode ) == CGDisplayNoErr;

    return bOK;
}

bool wxDisplayImplMacOSX::ChangeMode( const wxVideoMode& mode )
{
    // Changing to default mode (wxDefaultVideoMode) doesn't
    // work because we don't have access to the system's 'scrn'
    // resource which holds the user's mode which the system
    // will return to after this app is done
    boolean_t bExactMatch;
    CFDictionaryRef theCGMode = CGDisplayBestModeForParametersAndRefreshRate(
        m_id,
        (size_t)mode.GetDepth(),
        (size_t)mode.GetWidth(),
        (size_t)mode.GetHeight(),
        (double)mode.GetRefresh(),
        &bExactMatch );

    bool bOK = bExactMatch;

    if (bOK)
        bOK = CGDisplaySwitchToMode( m_id, theCGMode ) == CGDisplayNoErr;

    return bOK;
}

bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
{
    // prepare ChangeDisplaySettingsEx() parameters
    DEVMODE dm;
    DEVMODE *pDevMode;

    int flags;

    if ( mode == wxDefaultVideoMode )
    {
        // reset the video mode to default
        pDevMode = NULL;
        flags = 0;
    }
    else // change to the given mode
    {
        wxCHECK_MSG( mode.GetWidth() && mode.GetHeight(), false,
                        wxT("at least the width and height must be specified") );

        wxZeroMemory(dm);
        dm.dmSize = sizeof(dm);
        dm.dmDriverExtra = 0;
        dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
        dm.dmPelsWidth = mode.GetWidth();
        dm.dmPelsHeight = mode.GetHeight();

        if ( mode.GetDepth() )
        {
            dm.dmFields |= DM_BITSPERPEL;
            dm.dmBitsPerPel = mode.GetDepth();
        }

        if ( mode.GetRefresh() )
        {
            dm.dmFields |= DM_DISPLAYFREQUENCY;
            dm.dmDisplayFrequency = mode.GetRefresh();
        }

        pDevMode = &dm;

#ifdef __WXWINCE__
        flags = 0;
#else // !__WXWINCE__
        flags = CDS_FULLSCREEN;
#endif // __WXWINCE__/!__WXWINCE__
    }


    // get pointer to the function dynamically
    //
    // we're only called from the main thread, so it's ok to use static
    // variable
    static ChangeDisplaySettingsEx_t pfnChangeDisplaySettingsEx = NULL;
    if ( !pfnChangeDisplaySettingsEx )
    {
        wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET);
        if ( dllDisplay.IsLoaded() )
        {
            wxDL_INIT_FUNC_AW(pfn, ChangeDisplaySettingsEx, dllDisplay);
        }
        //else: huh, no this DLL must always be present, what's going on??

#ifndef __WXWINCE__
        if ( !pfnChangeDisplaySettingsEx )
        {
            // we must be under Win95 and so there is no multiple monitors
            // support anyhow
            pfnChangeDisplaySettingsEx = ChangeDisplaySettingsExForWin95;
        }
#endif // !__WXWINCE__
    }

    // do change the mode
    switch ( pfnChangeDisplaySettingsEx
             (
                GetName().wx_str(), // display name
                pDevMode,           // dev mode or NULL to reset
                NULL,               // reserved
                flags,
                NULL                // pointer to video parameters (not used)
             ) )
    {
        case DISP_CHANGE_SUCCESSFUL:
            // ok
            {
                // If we have a top-level, full-screen frame, emulate
                // the DirectX behavior and resize it.  This makes this
                // API quite a bit easier to use.
                wxWindow *winTop = wxTheApp->GetTopWindow();
                wxFrame *frameTop = wxDynamicCast(winTop, wxFrame);
                if (frameTop && frameTop->IsFullScreen())
                {
                    wxVideoMode current = GetCurrentMode();
                    frameTop->SetClientSize(current.GetWidth(), current.GetHeight());
                }
            }
            return true;

        case DISP_CHANGE_BADMODE:
            // don't complain about this, this is the only "expected" error
//.........这里部分代码省略.........

bool wxDisplayMSW::ChangeMode(const wxVideoMode& mode)
{
    // prepare ChangeDisplaySettingsEx() parameters
    DEVMODE dm;
    DEVMODE *pDevMode;

    int flags;

    if ( mode == wxDefaultVideoMode )
    {
        // reset the video mode to default
        pDevMode = NULL;
        flags = 0;
    }
    else // change to the given mode
    {
        wxCHECK_MSG( mode.GetWidth() && mode.GetHeight(), false,
                        wxT("at least the width and height must be specified") );

        wxZeroMemory(dm);
        dm.dmSize = sizeof(dm);
        dm.dmDriverExtra = 0;
        dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
        dm.dmPelsWidth = mode.GetWidth();
        dm.dmPelsHeight = mode.GetHeight();

        if ( mode.GetDepth() )
        {
            dm.dmFields |= DM_BITSPERPEL;
            dm.dmBitsPerPel = mode.GetDepth();
        }

        if ( mode.GetRefresh() )
        {
            dm.dmFields |= DM_DISPLAYFREQUENCY;
            dm.dmDisplayFrequency = mode.GetRefresh();
        }

        pDevMode = &dm;

        flags = CDS_FULLSCREEN;
    }


    // do change the mode
    switch ( ::ChangeDisplaySettingsEx
             (
                GetName().t_str(),  // display name
                pDevMode,           // dev mode or NULL to reset
                NULL,               // reserved
                flags,
                NULL                // pointer to video parameters (not used)
             ) )
    {
        case DISP_CHANGE_SUCCESSFUL:
            // ok
            {
                // If we have a top-level, full-screen frame, emulate
                // the DirectX behaviour and resize it.  This makes this
                // API quite a bit easier to use.
                wxWindow *winTop = wxTheApp->GetTopWindow();
                wxFrame *frameTop = wxDynamicCast(winTop, wxFrame);
                if (frameTop && frameTop->IsFullScreen())
                {
                    wxVideoMode current = GetCurrentMode();
                    frameTop->SetClientSize(current.GetWidth(), current.GetHeight());
                }
            }
            return true;

        case DISP_CHANGE_BADMODE:
            // don't complain about this, this is the only "expected" error
            break;

        default:
            wxFAIL_MSG( wxT("unexpected ChangeDisplaySettingsEx() return value") );
    }

    return false;
}