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Clone from http://code.qt.io/qt/qtcharts.git

pure virtual getter for series to QLegendMarker. In some cases user don't need the derived pointer. This removes the need to cast to derived marker type
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r2181:1afcc57c4e2f
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@@ -41,7 +41,7 public:
41 41 virtual LegendMarkerType type() { return LegendMarkerTypeArea; }
42 42
43 43 // Related series
44 QAreaSeries* series();
44 virtual QAreaSeries* series();
45 45
46 46 protected:
47 47 QAreaLegendMarker(QAreaLegendMarkerPrivate &d, QObject *parent = 0);
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@@ -40,7 +40,7 public:
40 40 virtual LegendMarkerType type() { return LegendMarkerTypeBar; }
41 41
42 42 // Related series and barset
43 QAbstractBarSeries* series();
43 virtual QAbstractBarSeries* series();
44 44 QBarSet* barset();
45 45
46 46 protected:
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@@ -72,6 +72,8 public:
72 72 bool isVisible() const;
73 73 void setVisible(bool visible);
74 74
75 virtual QAbstractSeries* series() = 0;
76
75 77 protected:
76 78 explicit QLegendMarker(QLegendMarkerPrivate &d, QObject *parent = 0);
77 79
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@@ -42,7 +42,7 public:
42 42 virtual LegendMarkerType type() { return LegendMarkerTypePie; }
43 43
44 44 // Related series and slice
45 QPieSeries* series();
45 virtual QPieSeries* series();
46 46 QPieSlice* slice();
47 47
48 48 protected:
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@@ -39,7 +39,7 public:
39 39 virtual LegendMarkerType type() { return LegendMarkerTypeXY; }
40 40
41 41 // Related series
42 QXYSeries* series();
42 virtual QXYSeries* series();
43 43
44 44 protected:
45 45 QXYLegendMarker(QXYLegendMarkerPrivate &d, QObject *parent = 0);
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