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https://github.com/OPM/ResInsight.git
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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017- Statoil ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "qwt_plot_zoomer.h"
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class RiuQwtPlotZoomer : public QwtPlotZoomer
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{
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public:
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RiuQwtPlotZoomer(QWidget* canvas, bool doReplot = true)
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: QwtPlotZoomer(canvas, doReplot)
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{
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}
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bool isActiveAndValid() const
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{
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if (!isActive()) return false;
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auto currentSelection = selection();
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return accept(currentSelection);
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}
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protected:
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QSizeF minZoomSize() const override
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{
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return QwtPlotZoomer::minZoomSize() / 10.0e6;
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}
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bool accept(QPolygon& pa) const override
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{
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if (pa.count() < 2) return false;
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QRect rect = QRect(pa[0], pa[int(pa.count()) - 1]);
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rect = rect.normalized();
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// This size is larger than the minSize value in the base class
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const int minSize = 10;
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if (rect.width() < minSize && rect.height() < minSize) return false;
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return QwtPlotZoomer::accept(pa);
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}
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};
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