C++ wxPaintEvent类代码示例

void ModelPreview::render( wxPaintEvent& event )
{
    if (mIsInitialized)
    {
        event.ResumePropagation(1);
        event.Skip (); // continue the event
    }
}

void tui::LayoutCanvas::OnpaintGL(wxPaintEvent& event) {
    wxPaintDC dc(this);
   #ifndef __WXMOTIF__
      if (!GetContext()) return;
   #endif
   SetCurrent();
   // invalid_window indicates zooming.
   // event.GetEventType() == event.GetId() should means that database is updated
   // In both cases - the entire window is redrawn
   if ((invalid_window) || (event.GetEventType() == event.GetId()))
   {
      glMatrixMode( GL_MODELVIEW );
      glShadeModel( GL_FLAT ); // Single color
      update_viewport();
      //@TODO !! Check somewhere that RGBA mode is available!?
      // CTM matrix stuff
      glLoadIdentity();
      glOrtho(lp_BL.x(),lp_TR.x(),lp_TR.y(),lp_BL.y(),-1.0,1.0);
      glClear(GL_COLOR_BUFFER_BIT);
      glEnable(GL_BLEND);
      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
      glClear(GL_ACCUM_BUFFER_BIT);
      DATC->openGL_draw(_LayCTM);    // draw data
      glAccum(GL_LOAD, 1.0);
      invalid_window = false;
      if (rubber_band) rubber_paint();
   }
   else
   {
      glAccum(GL_RETURN, 1.0);
      if       (tmp_wnd)         wnd_paint();
      else if  (rubber_band)     rubber_paint();
   }
   // deal with the long cursor
   if (reperX || reperY)
   {
      glColor4f(1, 1, 1, .5);
      glBegin(GL_LINES);
      if (reperX)
      {
         glVertex2i(lp_BL.x(), ScrMARK.y()) ;
         glVertex2i(lp_TR.x(), ScrMARK.y());
      }
      if (reperY)
      {
         glVertex2i(ScrMARK.x() , lp_BL.y()) ;
         glVertex2i(ScrMARK.x() , lp_TR.y());
      }
      glEnd();
   }

   SwapBuffers();
}

void 
GLCanvas::OnPaint (wxPaintEvent &event) {

	//if (!inited) {
	//	((FrmMainFrame *)mParent)->init();
	//	inited = true;
	//}
	if (!m_pEngine)
		return;

	{
		PROFILE("Nau");
		wxPaintDC dc(this);



		if (!isPaused) {
			this->Render();
			if (APISupport->apiSupport(IAPISupport::BUFFER_ATOMICS))
				DlgAtomics::Instance()->update();
		}
		event.Skip();
	}
	if (m_pEngine && m_pEngine->getProfileResetRequest())
		Profile::Reset();

	Refresh(false);
}

void wxdlg3dViewer::OnPaintPanelTexture( wxPaintEvent& event )
{
////@begin wxEVT_PAINT event handler for ID_PanelTexture in wxdlg3dViewer.
    // Before editing this code, remove the block markers.
    wxPaintDC dc(wxDynamicCast(event.GetEventObject(), wxWindow));
////@end wxEVT_PAINT event handler for ID_PanelTexture in wxdlg3dViewer. 
}

void DendrogramPanel::OnPaint( wxPaintEvent& event )
{

    wxSize sz = GetClientSize();
    if (layer_bm && isLayerValid) {
        wxMemoryDC dc;
        dc.SelectObject(*layer_bm);

        wxPaintDC paint_dc(this);
        paint_dc.Blit(0, 0, sz.x, sz.y, &dc, 0, 0);
        if (split_line) {
            split_line->draw(paint_dc);
        }
        dc.SelectObject(wxNullBitmap);
    } else {
        
        wxAutoBufferedPaintDC dc(this);
        dc.Clear();
        dc.SetPen(*wxTRANSPARENT_PEN);
        wxBrush Brush;
        Brush.SetColour(GdaConst::canvas_background_color);
        dc.SetBrush(Brush);
        dc.DrawRectangle(wxRect(0, 0, sz.x, sz.y));
    }
    event.Skip();
}

void GLCanvas::OnPaint(wxPaintEvent &event)
{
	wxPaintDC dc(this);

	if (!_GLRC)
    {
        return;
    }

	SetCurrent(*_GLRC);

	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glLoadIdentity();

	if (_style & SINGLE_SENSOR_MODE)
    {
        renderSingleSensor();
    }
    else if (_style & SINGLE_JOINT_MODE)
    {
        renderSingleJoint();
    }
    else
    {
        renderSkeleton();
    }
	// _image.render();
	// glFlush();
	SwapBuffers();
	if (_showUI && !(_style & SELECTION_MODE))
    {
        drawUserInterface(dc);
    }
	event.Skip();
}

void FifoPlayerDlg::OnPaint(wxPaintEvent& event)
{
	UpdatePlayGui();
	UpdateRecorderGui();

	event.Skip();
}

void ImageDialog::OnPaint(wxPaintEvent &event)
{
    if (!image.IsOk()) { // || event.GetEventObject() != imagePanel)
        event.Skip();
        return;
    }

    // imagePanel != NULL or we wouldn't get this event
    wxPaintDC dc(this);

    wxMemoryDC memDC;
    wxSize size = GetClientSize();

    wxBitmap bitmap;
    bitmap = wxBitmap(image);

    if (bitmap.GetPalette()) {
        memDC.SetPalette(*bitmap.GetPalette());
        dc.SetPalette(*bitmap.GetPalette());
    }

    memDC.SelectObject(bitmap);

    dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), &memDC, 0, 0, wxCOPY, FALSE);
    memDC.SelectObject(wxNullBitmap);
}

/*
 * Draw (on m_panelShowPin) the pin currently edited
 * accroding to current settings in dialog
 */
void DIALOG_LIB_EDIT_PIN::OnPaintShowPanel( wxPaintEvent& event )
{
    wxPaintDC    dc( m_panelShowPin );
    wxSize dc_size = dc.GetSize();
    dc.SetDeviceOrigin( dc_size.x / 2, dc_size.y / 2 );

    // Give a parent to m_dummyPin only from draw purpose.
    // In fact m_dummyPin should not have a parent, but draw functions need a parent
    // to know some options, about pin texts
    LIB_EDIT_FRAME* libframe = (LIB_EDIT_FRAME*) GetParent();
    m_dummyPin->SetParent( libframe->GetComponent() );

    // Calculate a suitable scale to fit the available draw area
    EDA_RECT bBox = m_dummyPin->GetBoundingBox();
    double xscale    = (double) dc_size.x / bBox.GetWidth();
    double yscale = (double) dc_size.y / bBox.GetHeight();
    double scale = std::min( xscale, yscale );

    // Give a 10% margin
    scale *= 0.9;
    dc.SetUserScale( scale, scale );

    wxPoint offset =  bBox.Centre();
    NEGATE( offset.x );
    NEGATE( offset.y );

    GRResetPenAndBrush( &dc );
    m_dummyPin->Draw( NULL, &dc, offset, UNSPECIFIED_COLOR, GR_COPY,
                      NULL, DefaultTransform );

    m_dummyPin->SetParent(NULL);

    event.Skip();
}

void DesignerWindow::HighlightPaintHandler::OnPaint(wxPaintEvent &event)
{
//	wxPaintDC dc(this);
/*	wxSize size = GetSize();
	dc.SetPen(*wxBLACK_PEN);
	for ( int i = 0; i < size.GetWidth(); i += m_x )
	{
		for ( int j = 0; j < size.GetHeight(); j += m_y )
		{
			dc.DrawPoint( i - 1, j - 1 );
		}
	}*/

	/*if ( m_actPanel == this)
	{
		HighlightSelection( dc );
	}*/

		wxWindow *aux = m_window;
		while (!aux->IsKindOf(CLASSINFO(DesignerWindow))) aux = aux->GetParent();
		DesignerWindow *dsgnWin = (DesignerWindow*) aux;
		if (dsgnWin->GetActivePanel() == m_window)
		{
			wxPaintDC dc(m_window);
			dsgnWin->HighlightSelection(dc);
		}

	event.Skip();
}

void VCameraControl::OnPaint(wxPaintEvent &ev)
{
	wxSize size;
	///Выводим информационную надпись, если не удалось подключить камеру
	if (!isConnected)
	{
		///Задаем размер окна по умолчанию
		size.SetWidth(400);
		size.SetHeight(200);
		this->SetMinSize(size);
		screen->SetMinSize(size);
		wxPaintDC dc(screen);
		dc.DrawText(L"Не удалось подключить камеру!",50,60);
		dc.DrawText(L"Проверьте настройки подключения.", 50, 80);
	}
	else
	{
		size = capture->GetVideoSize();
		size.SetWidth(size.GetWidth());
		size.SetHeight(size.GetHeight());
	}
	Update();
	Fit();
	ev.Skip();
}

void App::OnPaint(wxPaintEvent& event)
{
	switch(mPage)
	{
		case PAGE_OSZI:
		{
			// we need to request the DC here,otherwise windows makes trouble
			if(	!mOsziPage->IsBeingDeleted() and 
				mOsziPage->GetPanel() and
				!mOsziPage->GetPanel()->IsBeingDeleted())
			{
				wxBufferedPaintDC dc(mOsziPage->GetPanel());
				mOsziPage->Paint(dc);
			}
		break;
		}
		case PAGE_FFT:
		{
			if(	!mFFTPage->IsBeingDeleted() and 
				mFFTPage->GetPanel() and 
				!mFFTPage->GetPanel()->IsBeingDeleted())
			{
				wxBufferedPaintDC dc(mFFTPage->GetPanel());
				mFFTPage->Paint(dc);
			}
		break;
		}
	}
	event.Skip();
}

void MyEvtHandler::OnPaint(wxPaintEvent & event)
{
    event.Skip();
    if (m_listCtrl) {
        m_listCtrl->PostDrawProgressBarEvent();
    }
}

void EDA_3D_CANVAS::OnPaint( wxPaintEvent& event )
{
    wxPaintDC dc( this );

    Redraw();
    event.Skip();
}

//
// Handle Indicator paint events
//
// Really only needed for the Mac since SetBackgroundColour()
// doesn't seem to work with shaped frames.
//
void ToolManager::OnIndicatorPaint( wxPaintEvent & event )
{
   wxWindow *w = (wxWindow *)event.GetEventObject();
   wxPaintDC dc( w );
   dc.SetBackground( *wxBLUE_BRUSH );
   dc.Clear();
}