|
|
/******************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
|
** Contact: http://www.qt.io/licensing/
|
|
|
**
|
|
|
** This file is part of the Qt Charts module.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE:COMM$
|
|
|
**
|
|
|
** Commercial License Usage
|
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
|
** accordance with the commercial license agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
|
**
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
******************************************************************************/
|
|
|
|
|
|
// W A R N I N G
|
|
|
// -------------
|
|
|
//
|
|
|
// This file is not part of the Qt 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 <QtCharts/QChartGlobal>
|
|
|
#include <QtCharts/QChart>
|
|
|
#include <QtGui/QColor>
|
|
|
#include <QtGui/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
|
|
|
|
