class QgsTextDiagram: QgsDiagram
{
%TypeHeaderCode
#include <qgstextdiagram.h>
%End

  public:
    enum Shape
    {
      Circle,
      Rectangle,
      Triangle
    };

    enum Orientation
    {
      Horizontal,
      Vertical
    };

    QgsTextDiagram();
    ~QgsTextDiagram();
    virtual QgsTextDiagram *clone() const /Factory/;

    void renderDiagram( const QgsFeature &feature, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position );

    QSizeF diagramSize( const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s );
    QSizeF diagramSize( const QgsFeature &feature, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is );
    double legendSize( double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is ) const;

    QString diagramName() const;
};