src/OCCViewer/OCCViewer_VService.cxx

   1 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 #include "OCCViewer_VService.h"
  24
  25 #include <V3d_Viewer.hxx>
  26 #include <V3d_View.hxx>
  27
  28 #ifdef WNT
  29 #include <WNT_Window.hxx>
  30 #include <Graphic3d_WNTGraphicDevice.hxx>
  31 #else
  32 #include <Xw_Window.hxx>
  33 #include <Graphic3d_GraphicDevice.hxx>
  34 #endif
  35
  36 /*!
  37     Create native view window for CasCade view [ static ]
  38 */
  39 Handle(Aspect_Window) OCCViewer_VService::CreateWindow( const Handle(V3d_View)& view,
  40                                                         const Standard_Integer hiwin,
  41                                                         const Standard_Integer lowin,
  42                                                         const Xw_WindowQuality quality )
  43 {
  44 #ifdef WNT
  45   Handle(WNT_Window) viewWindow = new WNT_Window( Handle(Graphic3d_WNTGraphicDevice)::DownCast(view->Viewer()->Device()), hiwin, lowin );
  46   // Prevent flickering
  47   viewWindow->SetFlags( WDF_NOERASEBKGRND );
  48 #else
  49   Handle(Xw_Window) viewWindow = new Xw_Window( Handle(Graphic3d_GraphicDevice)::DownCast(view->Viewer()->Device()), hiwin, lowin, quality );
  50 #endif
  51   return viewWindow;
  52 }
  53
  54 /*!
  55     Maps CasCade view to the window [ static ]
  56 */
  57 void OCCViewer_VService::SetWindow( const Handle(V3d_View)& view,
  58                                     const Standard_Integer hiwin,
  59                                     const Standard_Integer lowin,
  60                                     const Xw_WindowQuality quality )
  61 {
  62   view->SetWindow( OCCViewer_VService::CreateWindow( view, hiwin, lowin, quality ) );
  63 }
  64
  65 /*!
  66     Magnifies 'view' based on previous view [ static ]
  67 */
  68 void OCCViewer_VService::SetMagnify( const Handle(V3d_View)& view,
  69                                      const Standard_Integer hiwin,
  70                                      const Standard_Integer lowin,
  71                                      const Handle(V3d_View)& prevView,
  72                                      const Standard_Integer x1,
  73                                      const Standard_Integer y1,
  74                                      const Standard_Integer x2,
  75                                      const Standard_Integer y2,
  76                                      const Xw_WindowQuality aQuality )
  77 {
  78 #ifdef WNT
  79   Handle(WNT_Window) w =
  80     new WNT_Window( Handle(Graphic3d_WNTGraphicDevice)::DownCast(view->Viewer()->Device()), hiwin, lowin );
  81 #else
  82   Handle(Xw_Window) w =
  83     new Xw_Window( Handle(Graphic3d_GraphicDevice)::DownCast(view->Viewer()->Device()), hiwin, lowin, aQuality );
  84 #endif
  85   view->SetMagnify( w, prevView, x1, y1, x2, y2 );
  86 }
  87
  88 /*!
  89     Creates viewer 3d [ static ]
  90 */
  91 Handle(V3d_Viewer) OCCViewer_VService::Viewer3d( const Standard_CString aDisplay,
  92                                                  const Standard_ExtString aName,
  93                                                  const Standard_CString aDomain,
  94                                                  const Standard_Real ViewSize ,
  95                                                  const V3d_TypeOfOrientation ViewProj,
  96                                                  const Standard_Boolean ComputedMode,
  97                                                  const Standard_Boolean aDefaultComputedMode )
  98 {
  99 #ifndef WNT
 100   static Handle(Graphic3d_GraphicDevice) defaultdevice;
 101   if ( defaultdevice.IsNull() )
 102     defaultdevice = new Graphic3d_GraphicDevice( aDisplay );
 103   return new V3d_Viewer( defaultdevice, aName, aDomain, ViewSize, ViewProj,
 104                          Quantity_NOC_GRAY30, V3d_ZBUFFER, V3d_GOURAUD, V3d_WAIT,
 105                          ComputedMode, aDefaultComputedMode, V3d_TEX_NONE );
 106 #else
 107   static Handle(Graphic3d_WNTGraphicDevice) defaultdevice;
 108   if ( defaultdevice.IsNull() )
 109     defaultdevice = new Graphic3d_WNTGraphicDevice();
 110   return new V3d_Viewer( defaultdevice, aName, aDomain, ViewSize, ViewProj,
 111                          Quantity_NOC_GRAY30, V3d_ZBUFFER, V3d_GOURAUD, V3d_WAIT,
 112                          ComputedMode, aDefaultComputedMode, V3d_TEX_NONE);
 113 #endif  // WNT
 114 }