1 files changed, 135 insertions, 0 deletions
diff --git a/kpovmodeler/pm2dcontrolpoint.h b/kpovmodeler/pm2dcontrolpoint.h
new file mode 100644
index 00000000..f949570b
--- /dev/null
+++ b/kpovmodeler/pm2dcontrolpoint.h
@@ -0,0 +1,135 @@
+//-*-C++-*-
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2001 by Andreas Zehender
+    email                : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  This program is free software; you can redistribute it and/or modify  *
+*  it under the terms of the GNU General Public License as published by  *
+*  the Free Software Foundation; either version 2 of the License, or     *
+*  (at your option) any later version.                                   *
+*                                                                        *
+**************************************************************************/
+
+#ifndef PM2DCONTROLPOINT_H
+#define PM2DCONTROLPOINT_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+#include "pmcontrolpoint.h"
+#include <qptrlist.h>
+
+/**
+ * Class for free moveable control points
+ */
+class PM2DControlPoint : public PMControlPoint
+{
+public:
+   /**
+    * Type enum
+    */
+   enum CPType { PM2DXY, PM2DYX, PM2DXZ, PM2DZX, PM2DYZ, PM2DZY };
+   /**
+    * Creates a PM2DControlPoint with id. Point has to be a 2D vector.
+    */
+   PM2DControlPoint( const PMVector& point, CPType type,
+                     int id, const QString& description );
+   /**
+    * Deletes the PM2DControlPoint
+    */
+   virtual ~PM2DControlPoint( ) { };
+   
+   /** */
+   virtual PMVector position( ) const { return to3D( m_point ); }
+   /**
+    * Sets the 2d coordinates of the control point
+    */
+   void setPoint( const PMVector& newPoint ) { m_point = newPoint; }
+   /**
+    * 2d coordinates of the control point
+    */
+   PMVector point( ) const { return m_point; }
+   /** */
+   virtual void snapToGrid( );
+   /**
+    * Returns the third coordinate
+    */
+   double thirdCoordinate( ) const { return m_thirdCoordinate; }
+   /**
+    * Sets the third coordinate
+    */
+   void setThirdCoordinate( double d ) { m_thirdCoordinate = d; }
+   /**
+    * Returns the 2d scale
+    */
+   double scale( ) const { return m_scale; }
+   /**
+    * Sets the scale
+    */
+   void setScale( double s ) { m_scale = s; }
+   
+   /**
+    * Sets the base point.
+    *
+    * If a base point is set, an extra line is shown between
+    * the base point and this control point.
+    */
+   void setBasePoint( PM2DControlPoint* p );
+   /**
+    * Returns the base point
+    */
+   PM2DControlPoint* basePoint( ) const { return m_pBasePoint; }
+   /**
+    * This method is used by the lathe object to link
+    * the control points in the xy and xz plane. These points are
+    * synchronized if both are selected.
+    */
+   void setLatheLink( PM2DControlPoint* p ) { m_pLatheLink = p; }
+   /**
+    * Returns the linked control point for lathe points
+    */
+   PM2DControlPoint* latheLink( ) const { return m_pLatheLink; }
+
+   /** */
+   virtual bool hasExtraLine( ) const { return m_pBasePoint; }
+   /** */
+   virtual PMVector extraLineStart( ) const { return position( ); }
+   /** */
+   virtual PMVector extraLineEnd( ) const
+   {
+      if( m_pBasePoint )
+         return m_pBasePoint->position( );
+      return PMVector( 0, 0, 0 );
+   }
+
+protected:
+   /** */
+   virtual void graphicalChangeStarted( );
+   /** */
+   virtual void graphicalChange( const PMVector& startPoint,
+                                 const PMVector& viewNormal,
+                                 const PMVector& endPoint );
+private:
+   PMVector to2D( const PMVector& v ) const;
+   PMVector to3D( const PMVector& v ) const;
+   void addLinkedPoint( PM2DControlPoint* p );
+   void removeLinkedPoint( PM2DControlPoint* p );
+   
+   PMVector m_point, m_originalPoint, m_original2DPoint;
+   CPType m_type;
+   double m_thirdCoordinate;
+   double m_scale;
+   PM2DControlPoint* m_pBasePoint;
+   QPtrList<PM2DControlPoint> m_linkedPoints;
+   PM2DControlPoint* m_pLatheLink;
+};
+
+#endif