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     QGraphicsEllipseItem*    PointItem;
  43     QGraphicsSimpleTextItem* CaptionItem;
  44   };
  45   typedef QMap        < int, TransformationPoint > TransformationPointMap;
  46   typedef QMapIterator< int, TransformationPoint > TransformationPointMapIterator;
  47
  48 public:
  49   HYDROGUI_PrsImage( const Handle(HYDROData_Entity)& theObject );
  50   virtual ~HYDROGUI_PrsImage();
  51
  52 public:
  53   void                            setImage( const QImage& theImage );
  54   QImage                          getImage() const;
  55
  56   void                            setCaption( const QString& theCaption );
  57   QString                         getCaption() const;
  58
  59   void                            setIsTransformationPointPreview( const bool theState );
  60   bool                            getIsTransformationPointPreview() const;
  61
  62   void                            setIsByTwoPoints( const bool theIsByTwoPoints );
  63   bool                            getIsByTwoPoints() const;
  64
  65   void                            setTransformationPointType( const int thePointType );
  66
  67   void                            setTransformationPointMap( const TransformationPointMap& theMap );
  68   const TransformationPointMap&   getTransformationPointMap() const { return myTransformationPointMap; }
  69
  70   void                            updateTransformationPoint( const int thePointType,
  71                                                              const bool theIsY,
  72                                                              const int theValue );
  73
  74 public:
  75   // from QGraphicsItem
  76   virtual QRectF                  boundingRect() const;
  77
  78   // from GraphicsView_Object
  79   virtual void                    compute();
  80
  81   virtual void                    addTo( GraphicsView_ViewPort* theViewPort );
  82   virtual void                    removeFrom( GraphicsView_ViewPort* theViewPort );
  83
  84   virtual bool                    isMovable() const { return false; }
  85
  86   virtual bool                    checkHighlight( double theX, double theY, QCursor& theCursor ) const;
  87
  88   virtual bool                    select( double theX, double theY, const QRectF& theRect );
  89   virtual void                    unselect();
  90   virtual void                    setSelected( bool theState );
  91
  92 protected:
  93   void                            computeTransformationPoints();
  94   /**
  95    * Show/hide a transformation point if necessary.
  96    */
  97   void                            updateTrsfPoint( const int thePointType );
  98
  99 protected:
 100   QCursor*                        getTransformationPointCursor() const { return myTransformationPointCursor; }
 101
 102 protected:
 103   QImage                          myImage;
 104
 105   QGraphicsPixmapItem*            myPixmapItem;
 106   QGraphicsSimpleTextItem*        myCaptionItem;
 107   HYDROGUI_PrsImageFrame*         myPrsImageFrame;
 108
 109   bool                            myIsTransformationPointPreview;
 110   bool                            myIsByTwoPoints;
 111   int                             myTransformationPointType;
 112   TransformationPointMap          myTransformationPointMap;
 113
 114 private:
 115   QCursor*                        myTransformationPointCursor;
 116 };
 117
 118 #endif