QtHistogramWidget.hh

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#ifndef QTHISTOGRAM_HH
#define QTHISTOGRAM_HH

// Based on ValenceHistogramWidget by hc

#include <memory>

#include <QWidget>
#include "../Config/ACGDefines.hh"
#include "../Utils/Histogram.hh"
#include "../Utils/ColorCoder.hh"

namespace ACG {
namespace QtWidgets {

class ACGDLLEXPORT QtHistogramWidget : public QWidget {
    Q_OBJECT

    public:
        explicit QtHistogramWidget(QWidget *parent);
        ~QtHistogramWidget();

        QtHistogramWidget(const QtHistogramWidget &other) = delete;
        QtHistogramWidget& operator=(const QtHistogramWidget &other) = delete;

        void setHistogram(std::unique_ptr<Histogram> histogram);
        void setColorCoder(std::unique_ptr<IColorCoder> color_coder);

    protected:
        void paintEvent(QPaintEvent *event);
        QColor getColor(double val); // val in [0..1]

        std::unique_ptr<Histogram> histogram_ = nullptr;
        double label_distance_ = 100;

        QColor color_; // ignored if we have a color coder
        std::unique_ptr<IColorCoder> color_coder_ = nullptr;

};


} // namespace QtWidgets
} // namespace ACG



#endif // QTHISTOGRAM_HH