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#ifndef CHARTTHEME_H
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#define CHARTTHEME_H
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#include "qchartglobal.h"
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#include <QObject>
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#include <QSharedData>
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#include <QColor>
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#include <QLinearGradient>
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#include <QPen>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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* The theme specific settings for the appearance of a series. TODO: These can be overridden by setting
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* custom settings to a QChartSeries object.
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*/
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struct SeriesTheme {
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public:
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// SeriesTheme() :
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// themeIndex(-1), lineColor(QColor()) {}
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// SeriesTheme(int index, QColor line) :
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// themeIndex(index), lineColor(line) {}
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SeriesTheme() :
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themeIndex(-1), linePen(QPen()), markerPen(QPen()) {}
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SeriesTheme(int index, QColor lineColor, qreal lineWidth/*, QPen marker*/) :
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themeIndex(index),
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linePen(QPen(QBrush(lineColor), lineWidth)),
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markerPen(linePen) {}
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//const QBrush & brush, qreal width, Qt::PenStyle style = Qt::SolidLine, Qt::PenCapStyle cap = Qt::SquareCap, Qt::PenJoinStyle join = Qt::BevelJo
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int themeIndex;
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// TODO:
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//QColor lineColor;
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QPen linePen;
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//QBrush lineBrush;
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QPen markerPen;
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//QBrush markerBrush;
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};
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/*!
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* Explicitly shared data class for the themes.
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*/
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class ChartThemeData : public QSharedData
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{
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public:
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ChartThemeData() : m_currentTheme(0) {}
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~ChartThemeData() {}
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public:
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void setTheme(int theme);
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public:
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int m_currentTheme;
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QColor m_gradientStartColor;
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QColor m_gradientEndColor;
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QList<SeriesTheme> m_seriesThemes;
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int m_seriesIndex;
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};
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class ChartTheme : public QObject
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{
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Q_OBJECT
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public:
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explicit ChartTheme(QObject *parent = 0);
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explicit ChartTheme(const ChartTheme &other) : d(other.d) {}
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void operator =(const ChartTheme &other) { d = other.d; }
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//signals:
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// void themeChanged(ChartTheme theme);
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SeriesTheme themeForSeries();
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public:
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// All the graphical elements of a QChart share the same theme settings
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// so let's use explicitly shared data
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QExplicitlySharedDataPointer<ChartThemeData> d;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // CHARTTHEME_H
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