ChartPlot.h 1.24 KB
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#ifndef CHARTPLOT_H
#define CHARTPLOT_H

#include <qwt_plot.h>
#include <qwt_plot_grid.h>
#include "MainWindow.h"
#include "ScrollZoomer.h"

class ChartPlot : public QwtPlot
{
    Q_OBJECT
public:
    ChartPlot(QWidget *parent = NULL);
    virtual ~ChartPlot();

    /** @brief Get next color of color map */
    QColor getNextColor();

    /** @brief Get color for curve id */
    QColor getColorForCurve(QString id);

    /** @brief Reset color map */
    void shuffleColors();

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public slots:

    /** @brief Generate coloring for this plot canvas based on current window theme */
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    void styleChanged(MainWindow::QGC_MAINWINDOW_STYLE style);
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protected:
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    const static int numColors = 20;
    const static QColor baseColors[numColors];
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    QList<QColor> colors;  ///< Colormap for curves
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    int nextColorIndex;         ///< Next index in color map
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    QMap<QString, QwtPlotCurve* > curves;  ///< Plot curves
    ScrollZoomer* zoomer;  ///< Zoomer class for widget
    QwtPlotGrid* grid;     ///< Plot grid

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    float symbolWidth; ///< Width of curve symbols in pixels
    float curveWidth; ///< Width of curve lines in pixels
    float gridWidth; ///< Width of gridlines in pixels
    float zoomerWidth; ///< Width of zoomer selection box
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};

#endif // CHARTPLOT_H