kig/objects/cubic_imp.h

   1 // Copyright (C)  2003  Dominique Devriese <devriese@kde.org>
   2
   3 // This program is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU General Public License
   5 // as published by the Free Software Foundation; either version 2
   6 // of the License, or (at your option) any later version.
   7
   8 // This program is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12
  13 // You should have received a copy of the GNU General Public License
  14 // along with this program; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  16 // 02111-1307, USA.
  17
  18 #ifndef KIG_OBJECTS_CUBIC_IMP_H
  19 #define KIG_OBJECTS_CUBIC_IMP_H
  20
  21 #include "curve_imp.h"
  22
  23 #include "../misc/cubic-common.h"
  24
  25 class LineData;
  26
  27 class CubicImp
  28   : public CurveImp
  29 {
  30   const CubicCartesianData mdata;
  31 public:
  32   typedef CurveImp Parent;
  33   static const ObjectImpType* stype();
  34
  35   CubicImp( const CubicCartesianData& data );
  36   ~CubicImp();
  37
  38   ObjectImp* transform( const Transformation& ) const;
  39   void draw( KigPainter& p ) const;
  40   bool contains( const Coordinate& p, int width, const KigWidget& ) const;
  41   bool inRect( const Rect& r, int width, const KigWidget& ) const;
  42   Rect surroundingRect() const;
  43         QString cartesianEquationString( const KigDocument& ) const;
  44
  45   const uint numberOfProperties() const;
  46   const QCStringList properties() const;
  47   const QCStringList propertiesInternalNames() const;
  48   ObjectImp* property( uint which, const KigDocument& w ) const;
  49   const char* iconForProperty( uint which ) const;
  50   const ObjectImpType* impRequirementForProperty( uint which ) const;
  51   bool isPropertyDefinedOnOrThroughThisImp( uint which ) const;
  52
  53   CubicImp* copy() const;
  54
  55   double getParam( const Coordinate& point, const KigDocument& ) const;
  56
  57   // The getPoint function doesn't need the KigDocument argument, the
  58   // first getPoint function is identical to the other one.  It is
  59   // only provided for implementing the CurveImp interface.
  60   const Coordinate getPoint( double param, const KigDocument& ) const;
  61   const Coordinate getPoint( double param ) const;
  62
  63 public:
  64   const CubicCartesianData data() const;
  65
  66   const ObjectImpType* type() const;
  67   void visit( ObjectImpVisitor* vtor ) const;
  68
  69   bool equals( const ObjectImp& rhs ) const;
  70
  71   bool containsPoint( const Coordinate& p, const KigDocument& doc ) const;
  72   bool internalContainsPoint( const Coordinate& p, double threshold ) const;
  73 };
  74
  75 #endif