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+//-*-C++-*-
+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2000-2001 by Andreas Zehender
+**************************************************************************
+
+**************************************************************************
+* *
+* 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 PMVECTORCONTROLPOINT_H
+#define PMVECTORCONTROLPOINT_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+#include "pmcontrolpoint.h"
+
+/**
+ * Class for vector like control points
+ */
+class PMVectorControlPoint : public PMControlPoint
+{
+public:
+ /**
+ * Creates a PMVectorControlPoint with id.
+ *
+ * The base point of the vector is given by the control point location.
+ */
+ PMVectorControlPoint( PMControlPoint* location, const PMVector& v,
+ int id, const QString& description,
+ bool extraLine = true, bool normalize = false );
+ /**
+ * Creates a PMVectorControlPoint with id.
+ *
+ * The base point of the vector is given by the vector p.
+ */
+ PMVectorControlPoint( const PMVector& location, const PMVector& v,
+ int id, const QString& description,
+ bool extraLine = true, bool normalize = false );
+ /**
+ * Deletes the PMVectorControlPoint
+ */
+ virtual ~PMVectorControlPoint( ) { };
+
+ /** */
+ virtual PMVector position( ) const;
+ /**
+ * Returns the base point
+ */
+ PMVector basePoint( ) const;
+
+ /**
+ * Sets the vector
+ */
+ void setVector( PMVector newVector ) { m_vector = newVector; }
+ /**
+ * returns the vector
+ */
+ PMVector vector( ) const { return m_vector; }
+
+ /** */
+ virtual bool hasExtraLine( ) const { return m_extraLine; }
+ /**
+ * Returns the start point of the extra line
+ */
+ virtual PMVector extraLineStart( ) const { return basePoint( ); }
+ /**
+ * Returns the end point of the extra line
+ */
+ virtual PMVector extraLineEnd( ) const { return position( ); }
+
+ /** */
+ virtual void snapToGrid( );
+
+protected:
+ /** */
+ virtual void graphicalChangeStarted( );
+ /** */
+ virtual void graphicalChange( const PMVector& startPoint,
+ const PMVector& viewNormal,
+ const PMVector& endPoint );
+private:
+ PMVector m_vector, m_originalVector;
+ PMControlPoint* m_pBasePoint;
+ PMVector m_constBasePoint;
+ bool m_extraLine;
+ bool m_normalize;
+};
+
+#endif