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/** \ingroup core
* Abstraction of composer scale bar style. Subclasses draw themselves, have the
possibility to implement custom labeling and calculate corresponding box size.
*/
class QgsScaleBarStyle
{
%TypeHeaderCode
#include "qgsscalebarstyle.h"
%End
public:
QgsScaleBarStyle( const QgsComposerScaleBar* bar );
virtual ~QgsScaleBarStyle();
/** Draws the style
@param p painter object
@param xOffset offset to account for centered labeling*/
virtual void draw( QPainter* p, double xOffset = 0 ) const = 0; //to do by every subclass
virtual void drawLabels( QPainter* p ) const; //default implementation provided
virtual QRectF calculateBoxSize() const; //default implementation provided
virtual QString name() const = 0; //return name of the style
};
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