C++ MyFrame::GetCanvas方法代码示例

// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
{
    // Create the main frame window
    MyFrame *frame = new MyFrame(NULL, wxT("wxWidgets OpenGL Penguin Sample"),
        wxDefaultPosition, wxDefaultSize);

    /* Make a menubar */
    wxMenu *fileMenu = new wxMenu;

    fileMenu->Append(wxID_EXIT, wxT("E&xit"));
    wxMenuBar *menuBar = new wxMenuBar;
    menuBar->Append(fileMenu, wxT("&File"));
    frame->SetMenuBar(menuBar);

    frame->SetCanvas( new TestGLCanvas(frame, wxID_ANY, wxDefaultPosition,
        wxSize(200, 200), wxSUNKEN_BORDER) );

    /* Load file wiht mesh data */
    frame->GetCanvas()->LoadLWO( wxT("penguin.lwo") );

    /* Show the frame */
    frame->Show(true);

    return true;
}

bool MyApp::OnInit()
{
#if wxUSE_LIBPNG
    wxImage::AddHandler( new wxPNGHandler );
#endif

    wxImage image;
    if (image.LoadFile(_T("backgrnd.png"), wxBITMAP_TYPE_PNG))
    {
        m_background = wxBitmap(image);
    }

    MyFrame *frame = new MyFrame();

    wxString rootName(_T("shape0"));

    int i;
    for (i = 1; i < 4; i++)
    {
        wxString filename;
        filename.Printf(wxT("%s%d.png"), (const wxChar*)rootName, i);
    /* For some reason under wxX11, the 2nd LoadFile in this loop fails, with
       a BadMatch inside CreateFromImage (inside ConvertToBitmap). This happens even if you copy
       the first file over the second file. */
        if (image.LoadFile(filename, wxBITMAP_TYPE_PNG))
        {
            DragShape* newShape = new DragShape(wxBitmap(image));
            newShape->SetPosition(wxPoint(i*50, i*50));

            if (i == 2)
                newShape->SetDragMethod(SHAPE_DRAG_TEXT);
            else if (i == 3)
                newShape->SetDragMethod(SHAPE_DRAG_ICON);
            else
                newShape->SetDragMethod(SHAPE_DRAG_BITMAP);
            frame->GetCanvas()->GetDisplayList().Append(newShape);
        }
    }

#if 0
    // Under Motif or GTK, this demonstrates that
    // wxScreenDC only gets the root window content.
    // We need to be able to copy the overall content
    // for full-screen dragging to work.
    int w, h;
    wxDisplaySize(& w, & h);
    wxBitmap bitmap(w, h);

    wxScreenDC dc;
    wxMemoryDC memDC;
    memDC.SelectObject(bitmap);
    memDC.Blit(0, 0, w, h, & dc, 0, 0);
    memDC.SelectObject(wxNullBitmap);
    m_background = bitmap;
#endif

    frame->Show( true );

    return true;
}

// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
{
    // Create the main frame window
    MyFrame *frame = new MyFrame(NULL, wxT("wxWidgets Penguin Sample"),
        wxDefaultPosition, wxDefaultSize);

#if wxUSE_ZLIB
    if (wxFileExists(wxT("penguin.dxf.gz")))
        frame->GetCanvas()->LoadDXF(wxT("penguin.dxf.gz"));
#else
    if (wxFileExists(wxT("penguin.dxf")))
        frame->GetCanvas()->LoadDXF(wxT("penguin.dxf"));
#endif

    /* Show the frame */
    frame->Show(true);

    return true;
}

// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
{
    hardSettings.OnStart();
    
    cgSettings.SetDefaults(); // <-- quick hack (solves wrong constructor order): 
      
    //if (!wxApp::OnInit()) return false;

    // questo per caricare salvare PNG...
    wxImage::AddHandler(new wxPNGHandler);
    wxImage::AddHandler(new wxJPEGHandler);
    
    // Create the main frame window
    MyFrame *frame = new MyFrame(NULL, wxT("QuteMol"),
//        wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_STYLE //wxRESIZE_BORDER
#ifdef __DARWIN__
        wxDefaultPosition, wxDefaultSize,wxDEFAULT_FRAME_STYLE| wxRESIZE_BORDER
#else
        wxDefaultPosition, wxDefaultSize,wxRESIZE_BORDER
#endif
        );
        
    /* Make a menubar */
    
    /*
    // ...or, maybe NOT
    wxMenu *fileMenu = new wxMenu;

    fileMenu->Append(wxID_EXIT, wxT("E&xit"));
    fileMenu->Append(wxID_ABOUT, wxT("A&bout"));
    fileMenu->Append(wxID_OPEN, wxT("O&pen"));
    
    wxMenuBar *menuBar = new wxMenuBar;
    menuBar->Append(fileMenu, wxT("&File"));
    
    frame->SetMenuBar(menuBar);
    */

    frame->SetCanvas( 
      new TestGLCanvas(
        frame, wxID_ANY, wxPoint(0,0), wxSize( winx, winy ),   wxNO_BORDER //wxSUNKEN_BORDER
      )
    );

    // onle TestGLCanvas to process idles...
    wxIdleEvent::SetMode(wxIDLE_PROCESS_SPECIFIED);
    frame->SetExtraStyle(wxWS_EX_PROCESS_IDLE );
    
    MyTab::frame2redraw=frame->GetCanvas();
    
    frame->SetToolbar(  
      new MyToolbar(
        frame, wxID_ANY, wxPoint(winx,0), wxDefaultSize,   
       // wxNO_BORDER //wxSUNKEN_BORDER
        wxDEFAULT_FRAME_STYLE 
       |
//                      wxNO_FULL_REPAINT_ON_RESIZE |
                      wxCLIP_CHILDREN |
                      wxTAB_TRAVERSAL
      )
    );
    
    wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
    sizer->Add(frame->GetCanvas(),      1, wxGROW|wxSHAPED); 
    sizer->Add(frame->GetToolbar(),      0, wxGROW);
    frame->SetSizer(sizer);

    int tbsize=frame->GetToolbar()->GetBestFittingSize().x;
    frame->GetToolbar()->SetSize(tbsize,winy);
    frame->GetToolbar()->Layout();
   
    //frame->SetMinSize(wxSize(tbsize+200,200));
    frame->SetClientSize(wxSize(winx+tbsize,winy));

    static const wxCmdLineEntryDesc cmdLineDesc[] =
    {
      { 
        wxCMD_LINE_PARAM,_T(""),_T(""),_T("filename.pdb:(molecule to be drawn)"), 
        wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL 
      },
      { 
        wxCMD_LINE_OPTION,_T("a"),_T(""),_T("filename.art: optional Atom Render Table"), 
        wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL 
      },
      { 
        wxCMD_LINE_SWITCH,_T("v"),_T(""),_T("don't start, show version name"), 
        wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL 
      },
      { wxCMD_LINE_NONE }
    };
    
    wxCmdLineParser parser(cmdLineDesc, argc, argv);
    
    parser.Parse();

    InitQuteMol( NULL );

    wxString artFilename;
    if (parser.Found(_T("v"))>0) {
//.........这里部分代码省略.........