kig/objects/tangent_type.h

   1 // Copyright (C) 2004  Pino Toscano <toscano.pino@tiscali.it>
   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_TANGENT_TYPE_H
  19 #define KIG_OBJECTS_TANGENT_TYPE_H
  20
  21 #include "base_type.h"
  22
  23 /**
  24  * the line tangent to a generic conic
  25  */
  26 class TangentConicType
  27   : public ArgsParserObjectType
  28 {
  29   typedef ArgsParserObjectType Parent;
  30   TangentConicType();
  31   ~TangentConicType();
  32 public:
  33   static const TangentConicType* instance();
  34   ObjectImp* calc( const Args& args, const KigDocument& ) const;
  35   const ObjectImpType* resultId() const;
  36 };
  37
  38 /**
  39  * the line tangent to an arc
  40  */
  41 class TangentArcType
  42   : public ArgsParserObjectType
  43 {
  44   typedef ArgsParserObjectType Parent;
  45   TangentArcType();
  46   ~TangentArcType();
  47 public:
  48   static const TangentArcType* instance();
  49   ObjectImp* calc( const Args& args, const KigDocument& ) const;
  50   const ObjectImpType* resultId() const;
  51 };
  52
  53 /**
  54  * the line tangent to a cubic
  55  */
  56 class TangentCubicType
  57   : public ArgsParserObjectType
  58 {
  59   typedef ArgsParserObjectType Parent;
  60   TangentCubicType();
  61   ~TangentCubicType();
  62 public:
  63   static const TangentCubicType* instance();
  64   ObjectImp* calc( const Args& args, const KigDocument& ) const;
  65   const ObjectImpType* resultId() const;
  66 };
  67
  68 /**
  69  * the line tangent to a curve
  70  */
  71 class TangentCurveType
  72   : public ArgsParserObjectType
  73 {
  74   typedef ArgsParserObjectType Parent;
  75   TangentCurveType();
  76   ~TangentCurveType();
  77 public:
  78   static const TangentCurveType* instance();
  79   ObjectImp* calc( const Args& args, const KigDocument& ) const;
  80   const ObjectImpType* resultId() const;
  81 };
  82
  83 #endif