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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_GUI_PLOT_ABSTRACTDATASET_H
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#define SEISCOMP_GUI_PLOT_ABSTRACTDATASET_H
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#include <seiscomp/gui/plot/range.h>
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#include <QObject>
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#include <QRectF>
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class QPolygonF;
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namespace Seiscomp {
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namespace Gui {
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class Axis;
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class SC_GUI_API AbstractDataSet : public QObject {
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// ----------------------------------------------------------------------
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// X'truction
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// ----------------------------------------------------------------------
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public:
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//! C'tor
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explicit AbstractDataSet(QObject *parent=0);
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// ----------------------------------------------------------------------
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// Query interface
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// ----------------------------------------------------------------------
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public:
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bool isEmpty() const { return this->count() == 0; }
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virtual int count() const = 0;
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virtual Range getXRange() const = 0;
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virtual Range getYRange() const = 0;
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virtual void getBounds(Range &x, Range &y) const;
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/**
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* @brief Convenience function that returns a QRectF instead of two
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* single ranges.
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* @return The bounding rectangle of the graph data
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*/
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QRectF getBounds() const;
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virtual void clear() = 0;
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/**
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* @brief Unprojects the data from axis space to pixel space
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* @param poly The target polygon that holds the projected and possibly
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* clipped data. Note that the number of points in the
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* polygon does not necessarily match the number of points
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* in the graph due to clipping.
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* @param keyAxis The axis to project keys to
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* @param valueAxis The axis to project values to
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*/
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virtual void unproject(QPolygonF &poly,
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const Axis *keyAxis,
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const Axis *valueAxis) const = 0;
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};
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}
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}
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#endif
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