QwtHistogramm.hh

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#ifndef HISTOGRAM_H
#define HISTOGRAM_H

#include <qglobal.h>
#include <QColor>
#include <ACG/Config/ACGDefines.hh>

#include "qwt_plot_item.h" 

class QwtIntervalData;
class QString;

class ACGDLLEXPORT Histogram: public QwtPlotItem
{
public:
    explicit Histogram(const QString &title = QString::null);
    explicit Histogram(const QwtText &title);
    virtual ~Histogram();

    void setData( QwtIntervalSeriesData* data);
    const QwtIntervalSeriesData* data() const;

    void setColors( std::vector< QColor >& _colors);

    virtual QRectF boundingRect() const;

    virtual int rtti() const;

    virtual void draw(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &) const;

    void   setBaseline(double reference);
    double baseline() const;

    enum HistogramAttribute
    {
        Auto = 0,
        Xfy = 1
    };

    void setHistogramAttribute(HistogramAttribute, bool on = true);
    bool testHistogramAttribute(HistogramAttribute) const;

protected:

    virtual void drawBar(QPainter *, Qt::Orientation o, const QRect &) const;

private:
    QColor color(uint i) const;

    void init();

    class PrivateData;
    PrivateData *d_data;
};

#endif