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Diffstat (limited to 'src/charts/chartthememanager_p.h')
-rw-r--r-- | src/charts/chartthememanager_p.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/charts/chartthememanager_p.h b/src/charts/chartthememanager_p.h new file mode 100644 index 00000000..3eabd8e5 --- /dev/null +++ b/src/charts/chartthememanager_p.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// W A R N I N G +// ------------- +// +// This file is not part of the Qt Enterprise Chart API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef CHARTTHEMEMANAGER_H +#define CHARTTHEMEMANAGER_H + +#include "qchartglobal.h" +#include "qchart.h" +#include <QColor> +#include <QGradientStops> + +QT_CHARTS_BEGIN_NAMESPACE +class ChartTheme; + +class ChartThemeManager: public QObject +{ + Q_OBJECT +public: + enum BackgroundShadesMode { + BackgroundShadesNone = 0, + BackgroundShadesVertical, + BackgroundShadesHorizontal, + BackgroundShadesBoth + }; + +public: + explicit ChartThemeManager(QChart* chart); + void setTheme(QChart::ChartTheme theme); + ChartTheme* theme() const { return m_theme.data(); } + void decorateChart(QChart *chart, ChartTheme* theme) const; + void decorateLegend(QLegend *legend, ChartTheme* theme) const; + void updateSeries(QAbstractSeries *series); + +public: + static QList<QGradient> generateSeriesGradients(const QList<QColor>& colors); + static QColor colorAt(const QColor &start, const QColor &end, qreal pos); + static QColor colorAt(const QGradient &gradient, qreal pos); + +private: + int createIndexKey(QList<int> keys) const; + int seriesCount(QAbstractSeries::SeriesType type) const; + +public Q_SLOTS: + void handleSeriesAdded(QAbstractSeries *series); + void handleSeriesRemoved(QAbstractSeries *series); + void handleAxisAdded(QAbstractAxis *axis); + void handleAxisRemoved(QAbstractAxis *axis); + +protected: + QScopedPointer<ChartTheme> m_theme; + QMap<QAbstractSeries *,int> m_seriesMap; + QList<QAbstractAxis *> m_axisList; + QChart* m_chart; +}; + +QT_CHARTS_END_NAMESPACE + +#endif // CHARTTHEME_H |