dox/GUISupport/Qt/Chart/vtkQtChartGridLayer.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkQtChartGridLayer.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/


#ifndef _vtkQtChartGridLayer_h
#define _vtkQtChartGridLayer_h

#include "vtkQtChartExport.h"
#include "vtkQtChartLayer.h"

class vtkQtChartAxis;


class VTKQTCHART_EXPORT vtkQtChartGridLayer : public vtkQtChartLayer
{
  Q_OBJECT

public:
  enum {Type = vtkQtChart_GridLayerType};

public:
  vtkQtChartGridLayer();
  virtual ~vtkQtChartGridLayer();

  virtual void setChartArea(vtkQtChartArea *area);

  virtual void layoutChart(const QRectF &area);

  virtual QRectF boundingRect() const;
  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
      QWidget *widget=0);

public slots:
  void setXOffset(float xOffset);

  void setYOffset(float yOffset);

private slots:
  void handleGridChange();

private:
  void drawAxisGrid(QPainter *painter, vtkQtChartAxis *axis);

private:
  vtkQtChartAxis *Axis[4]; 
  QSizeF *Bounds;          

private:
  vtkQtChartGridLayer(const vtkQtChartGridLayer &);
  vtkQtChartGridLayer &operator=(const vtkQtChartGridLayer &);
};

#endif