| 1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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| 2 | * Qwt Widget Library
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| 3 | * Copyright (C) 1997 Josef Wilgen
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| 4 | * Copyright (C) 2002 Uwe Rathmann
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the Qwt License, Version 1.0
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| 8 | *****************************************************************************/
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| 9 |
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| 10 | #include "qwt_plot_seriesitem.h"
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| 11 |
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| 12 | class QwtPlotAbstractSeriesItem::PrivateData
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| 13 | {
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| 14 | public:
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| 15 | PrivateData():
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| 16 | orientation( Qt::Vertical )
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| 17 | {
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| 18 | }
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| 19 |
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| 20 | Qt::Orientation orientation;
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| 21 | };
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| 22 |
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| 23 | /*!
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| 24 | Constructor
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| 25 | \param title Title of the curve
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| 26 | */
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| 27 | QwtPlotAbstractSeriesItem::QwtPlotAbstractSeriesItem( const QwtText &title ):
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| 28 | QwtPlotItem( title )
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| 29 | {
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| 30 | d_data = new PrivateData();
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| 31 | }
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| 32 |
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| 33 | /*!
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| 34 | Constructor
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| 35 | \param title Title of the curve
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| 36 | */
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| 37 | QwtPlotAbstractSeriesItem::QwtPlotAbstractSeriesItem( const QString &title ):
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| 38 | QwtPlotItem( QwtText( title ) )
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| 39 | {
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| 40 | d_data = new PrivateData();
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| 41 | }
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| 42 |
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| 43 | //! Destructor
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| 44 | QwtPlotAbstractSeriesItem::~QwtPlotAbstractSeriesItem()
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| 45 | {
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| 46 | delete d_data;
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| 47 | }
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| 48 |
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| 49 | /*!
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| 50 | Set the orientation of the item.
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| 51 |
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| 52 | The orientation() might be used in specific way by a plot item.
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| 53 | F.e. a QwtPlotCurve uses it to identify how to display the curve
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| 54 | int QwtPlotCurve::Steps or QwtPlotCurve::Sticks style.
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| 55 |
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| 56 | \sa orientation()
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| 57 | */
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| 58 | void QwtPlotAbstractSeriesItem::setOrientation( Qt::Orientation orientation )
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| 59 | {
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| 60 | if ( d_data->orientation != orientation )
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| 61 | {
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| 62 | d_data->orientation = orientation;
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| 63 | itemChanged();
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| 64 | }
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| 65 | }
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| 66 |
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| 67 | /*!
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| 68 | \return Orientation of the plot item
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| 69 | \sa setOrientation()
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| 70 | */
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| 71 | Qt::Orientation QwtPlotAbstractSeriesItem::orientation() const
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| 72 | {
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| 73 | return d_data->orientation;
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| 74 | }
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| 75 |
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| 76 | /*!
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| 77 | \brief Draw the complete series
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| 78 |
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| 79 | \param painter Painter
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| 80 | \param xMap Maps x-values into pixel coordinates.
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| 81 | \param yMap Maps y-values into pixel coordinates.
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| 82 | \param canvasRect Contents rect of the canvas
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| 83 | */
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| 84 | void QwtPlotAbstractSeriesItem::draw( QPainter *painter,
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| 85 | const QwtScaleMap &xMap, const QwtScaleMap &yMap,
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| 86 | const QRectF &canvasRect ) const
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| 87 | {
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| 88 | drawSeries( painter, xMap, yMap, canvasRect, 0, -1 );
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| 89 | }
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| 90 |
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