ResInsight/ApplicationLibCode/UserInterface/RiuQwtPlotItemGroup.h

/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2018-     Equinor ASA
//
//  ResInsight is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
//
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "qwt_plot_item.h"

class QwtGraphic;
class QRectF;
class QPainter;

//==================================================================================================
/// Class that can combine multiple Qwt plot items into one Qwt graphic with a combined legend.
///
//==================================================================================================
class RiuQwtPlotItemGroup : public QwtPlotItem
{
public:
    RiuQwtPlotItemGroup();
    ~RiuQwtPlotItemGroup() override;

    void addPlotItem( QwtPlotItem* plotItem );
    void addLegendItem( QwtPlotItem* legendItem );

    int rtti() const override { return 5000; }
    void draw( QPainter* painter, const QwtScaleMap& xMap, const QwtScaleMap& yMap, const QRectF& canvasRect ) const override;
    QRectF     boundingRect() const override;
    QwtGraphic legendIcon( int index, const QSizeF& size ) const override;

private:
    std::vector<QwtPlotItem*> m_plotItems;
    std::vector<QwtPlotItem*> m_legendItems;
};