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157 lines
5.0 KiB
C++
157 lines
5.0 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_PLOT_H
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#define SEISCOMP_GUI_PLOT_PLOT_H
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#include <QObject>
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#include <QPoint>
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#include <seiscomp/gui/qt.h>
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#include <seiscomp/gui/plot/axis.h>
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class QRect;
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class QPainter;
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namespace Seiscomp {
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namespace Gui {
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class Graph;
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class AbstractLegend;
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class SC_GUI_API Plot : 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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Plot(QObject *parent=0);
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// ----------------------------------------------------------------------
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// Public interface
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// ----------------------------------------------------------------------
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public:
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/**
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* @brief Adds a graph to the plot. The graph is managed by the plot.
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* @param keyAxis The axis to use for keys. If nullptr is passed then
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* the default xAxis is being used.
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* @param valueAxis The axis to use for values. If nullptr is passed then
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* the default yAxis is being used.
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* @return The graph pointer or nullptr in case of error.
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*/
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Graph *addGraph(Axis *keyAxis = nullptr, Axis *valueAxis = nullptr);
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/**
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* @brief Adds a graph instance to the plot. This function was added
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* with API version 11.0.0.
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* @param graph The graph instance. The ownership is transferred to
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* the plot.
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*/
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void addGraph(Graph *graph);
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/**
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* @brief Adds an additional plot axis. This method was added with
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* API 12.
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* @param position The position of the new axis
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* @return The axis instance which is a child of this plot
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*/
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Axis *addAxis(Axis::AxisPosition position);
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/**
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* @brief Sets a legend instance for which the draw method is called
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* at every plot update. This function was added with API
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* version 11.0.0.
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* @param legend The legend instance. The ownership goes to the plot.
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*/
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void setLegend(AbstractLegend *legend);
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/**
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* @brief Updates all axis ranges according to the bounds of the
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* attached graphs.
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*/
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void updateRanges();
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/**
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* @brief Renders the plot into the given rect
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* @param painter The painter used to draw the plot
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* @param rect The target rectangle in screen coordinates
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*/
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void draw(QPainter &painter, const QRect &rect);
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/**
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* @brief Checks whether point is inside the plot area. This function
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* was added with API version 11.0.0.
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* @param p The point in pixels
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* @return true if inside, false otherwise
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*/
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bool isInsidePlot(const QPoint &p) const;
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/**
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* @brief Returns the rectangle of the actual data plot without
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* the axis rectangle. This function was added with API
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* version 11.0.0.
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* @return QRect
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*/
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const QRect &plotRect() const;
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// ----------------------------------------------------------------------
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// Public Members
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// ----------------------------------------------------------------------
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public:
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Axis *xAxis; //!< bottom axis
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Axis *yAxis; //!< left axis
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Axis *xAxis2; //!< top axis
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Axis *yAxis2; //!< right axis
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protected:
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typedef QList<Graph*> Graphs;
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Graphs _graphs;
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AbstractLegend *_legend;
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QVector<Axis*> _extraXAxis1; //!< additional bottom x axes
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QVector<Axis*> _extraXAxis2; //!< additional top x axes
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QVector<Axis*> _extraYAxis1; //!< additional left y axes
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QVector<Axis*> _extraYAxis2; //!< additional right y axes
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QRect _plotRect; //!< The plot rectangle of the last draw
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};
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inline bool Plot::isInsidePlot(const QPoint &p) const {
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return _plotRect.contains(p);
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}
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inline const QRect &Plot::plotRect() const {
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return _plotRect;
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}
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}
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}
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#endif
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