src/HYDROGUI/HYDROGUI_PrsImage.h

   1 // Copyright (C) 2007-2013  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 #ifndef HYDROGUI_PRSIMAGE_H
  24 #define HYDROGUI_PRSIMAGE_H
  25
  26 #include "HYDROGUI_Prs.h"
  27
  28 class HYDROGUI_PrsImageFrame;
  29
  30 /*
  31   Class       : HYDROGUI_PrsImage
  32   Description : Presentation for image object
  33 */
  34 class HYDROGUI_PrsImage : public HYDROGUI_Prs
  35 {
  36 public:
  37   enum TransformationPointType { None = 0, PointA, PointB, PointC };
  38   struct TransformationPoint
  39   {
  40     QPoint              Point;
  41     QString             Caption;
  42     QGraphicsItemGroup* GroupItem;
  43   };
  44   typedef QMap        < int, TransformationPoint > TransformationPointMap;
  45   typedef QMapIterator< int, TransformationPoint > TransformationPointMapIterator;
  46
  47 public:
  48   HYDROGUI_PrsImage( const Handle(HYDROData_Entity)& theObject );
  49   virtual ~HYDROGUI_PrsImage();
  50
  51 public:
  52   void                            setImage( const QImage& theImage );
  53   QImage                          getImage() const;
  54
  55   void                            setCaption( const QString& theCaption );
  56   QString                         getCaption() const;
  57
  58   void                            setIsTransformationPointPreview( const bool theState );
  59   bool                            getIsTransformationPointPreview() const;
  60
  61   void                            setIsByTwoPoints( const bool theIsByTwoPoints );
  62   bool                            getIsByTwoPoints() const;
  63
  64   void                            setTransformationPointType( const int thePointType );
  65
  66   void                            setTransformationPointMap( const TransformationPointMap& theMap );
  67   const TransformationPointMap&   getTransformationPointMap() const { return myTransformationPointMap; }
  68
  69   void                            updateTransformationPoint( const int thePointType,
  70                                                              const bool theIsY,
  71                                                              const int theValue );
  72
  73 public:
  74   // from QGraphicsItem
  75   virtual QRectF                  boundingRect() const;
  76
  77   // from GraphicsView_Object
  78   virtual void                    compute();
  79
  80   virtual void                    addTo( GraphicsView_ViewPort* theViewPort );
  81   virtual void                    removeFrom( GraphicsView_ViewPort* theViewPort );
  82
  83   virtual bool                    isMovable() const { return false; }
  84
  85   virtual bool                    checkHighlight( double theX, double theY, QCursor& theCursor ) const;
  86
  87   virtual bool                    select( double theX, double theY, const QRectF& theRect );
  88   virtual void                    unselect();
  89   virtual void                    setSelected( bool theState );
  90
  91 protected:
  92   void                            computeTransformationPoints();
  93   /**
  94    * Show/hide a transformation point if necessary.
  95    */
  96   void                            updateTrsfPoint( const int thePointType );
  97
  98 protected:
  99   QCursor*                        getTransformationPointCursor() const { return myTransformationPointCursor; }
 100
 101 protected:
 102   QImage                          myImage;
 103
 104   QGraphicsPixmapItem*            myPixmapItem;
 105   QGraphicsSimpleTextItem*        myCaptionItem;
 106   HYDROGUI_PrsImageFrame*         myPrsImageFrame;
 107
 108   bool                            myIsTransformationPointPreview;
 109   bool                            myIsByTwoPoints;
 110   int                             myTransformationPointType;
 111   TransformationPointMap          myTransformationPointMap;
 112
 113 private:
 114   QCursor*                        myTransformationPointCursor;
 115 };
 116
 117 #endif