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salome-gui  6.5.0
QxGraph_Prs.h
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 // This library is free software; you can redistribute it and/or
00007 // modify it under the terms of the GNU Lesser General Public
00008 // License as published by the Free Software Foundation; either
00009 // version 2.1 of the License.
00010 //
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // Lesser General Public License for more details.
00015 //
00016 // You should have received a copy of the GNU Lesser General Public
00017 // License along with this library; if not, write to the Free Software
00018 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 
00023 #ifndef QXGRAPH_PRS_H
00024 #define QXGRAPH_PRS_H
00025 
00026 #include "QxGraph.h"
00027 
00028 #include <qcanvas.h>
00029 #include <map>
00030 #include <list>
00031 
00032 class QxGraph_Canvas;
00033 
00034 class QXGRAPH_EXPORT QxGraph_Prs
00035 {
00036  public:
00037   QxGraph_Prs(QxGraph_Canvas*);
00038   virtual ~QxGraph_Prs();
00039 
00040   QxGraph_Canvas* getCanvas() const { return myCanvas; }
00041 
00042   void addItem(QCanvasItem* theItem, int theDMode = -1);
00043   void removeItem(QCanvasItem* theItem, int theDMode = -1);
00044   
00045   /* add items for display mode theDMode
00046      if theDMode is equal to -1 add item for the current (active) display mode */
00047   QCanvasItem*   addRectangleItem(QRect theRect, int theDMode = -1);
00048   QCanvasItem*   addPolygonItem(QPointArray thePA, int theDMode = -1);
00049   QCanvasItem*   addLineItem(QPoint theStart, QPoint theEnd, int theDMode = -1);
00050   QCanvasItem*   addEllipseItem(int theW, int theH, int theStartAngle, int theAngle, int theDMode = -1);
00051   QCanvasItem*   addTextItem(QString theText, int theDMode = -1);
00052 
00053   typedef std::map< int, std::list<QCanvasItem*> > DMode2ItemList;
00054 
00055   const DMode2ItemList& getDisplayMap() const { return myDisplayMap; }
00056   const std::list<QCanvasItem*>& getItems(int theDMode) { return myDisplayMap[theDMode]; }
00057   
00058   void setDMode(int theDMode) { myDMode = theDMode; }
00059   int  getDMode() const { return myDMode; }
00060 
00061   virtual void    show();
00062   virtual void    hide();
00063   virtual void    setToUpdate( const bool );
00064   bool            isToUpdate() { return needUpdate; }
00065 
00066 protected:
00067   virtual void    update();
00068 
00069 private:
00070   QxGraph_Canvas* myCanvas;
00071   DMode2ItemList  myDisplayMap;
00072 
00073   int             myDMode;
00074   bool            needUpdate;
00075 };
00076 
00077 #endif