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qgsscalebarstyle.h
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1 /***************************************************************************
2  qgsscalebarstyle.h
3  ------------------
4  begin : June 2008
5  copyright : (C) 2008 by Marco Hugentobler
6  email : marco.hugentobler@karto.baug.ethz.ch
7  ***************************************************************************/
8 /***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
11  * it under the terms of the GNU General Public License as published by *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16 
17 #ifndef QGSSCALEBARSTYLE_H
18 #define QGSSCALEBARSTYLE_H
19 
20 #include <QIcon>
21 #include <QRectF>
22 
23 class QgsComposerScaleBar;
24 class QPainter;
25 
30 class CORE_EXPORT QgsScaleBarStyle
31 {
32  public:
33  QgsScaleBarStyle( const QgsComposerScaleBar* bar );
34  virtual ~QgsScaleBarStyle();
35 
39  virtual void draw( QPainter* p, double xOffset = 0 ) const = 0; //to do by every subclass
40  virtual void drawLabels( QPainter* p ) const; //default implementation provided
41  virtual QRectF calculateBoxSize() const; //default implementation provided
42  virtual QString name() const = 0; //return name of the style
43 
44  private:
45  QgsScaleBarStyle(); //default constructor forbidden
46 
47  protected:
48  const QgsComposerScaleBar* mScaleBar;
49 };
50 
51 #endif
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