include/symbolDrawer/vertexDrawer.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vertexDrawer.h,v $ $Revision: 1.4 $ $State: Exp $
*******************************************************************************/


#ifndef DtVertexDrawer_H_
#define DtVertexDrawer_H_

#include <symbolDrawerInterface/symbolDrawer.h>

class DtSymbol;

#include <QtGui/QPixmap>

#include "symbolDrawer/symbolDrawerDefines.h"

class DT_DLL_symbolDrawer DtVertexDrawer : public DtSymbolDrawer
{
public:

   DtVertexDrawer();
   virtual ~DtVertexDrawer();
   
   enum DtKnobStyle
   {
      DtSquare,
      DtCircle
   };

   virtual bool draw(QPainter& paint,
                    const DtSymbol * const symbol ) const;

   virtual bool draw(QPainter& paint,
                     const DtSymbol * const symbol, bool preTransparent) const;

   virtual QSize calcBBox( const DtSymbol * const symbol ) const;
   
   virtual void setKnobStyle(DtKnobStyle style);
   virtual DtKnobStyle knobStyle() const;

protected:
   virtual void drawKnob(QPainter& paint, const QPoint& pnt, int iKnobSize) const;
   virtual void drawSquareKnob(QPainter& paint, const QPoint& pnt, int iKnobSize) const;
   virtual void drawCircleKnob(QPainter& paint, const QPoint& pnt, int iKnobSize) const;

   virtual bool endTransparentDraw(QPainter& paint,
                     const DtSymbol * const symbol) const;
private:
   DtVertexDrawer(const DtVertexDrawer& orig);
   DtVertexDrawer& operator=(const DtVertexDrawer& orig);

protected:
   DtKnobStyle myKnobStyle;
};

#endif