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/****************************************************************************
**
** Copyright (C) 2012 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 Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XYCHARTITEM_H
#define XYCHARTITEM_H
#include "qchartglobal.h"
#include "chartitem_p.h"
#include "xyanimation_p.h"
#include <QPen>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class ChartPresenter;
class QXYSeries;
class XYChart : public Chart
{
Q_OBJECT
public:
explicit XYChart(QXYSeries *series, ChartPresenter *presenter);
~XYChart(){};
void setGeometryPoints(const QVector<QPointF>& points);
QVector<QPointF> geometryPoints() const { return m_points; }
void setClipRect(const QRectF &rect);
QRectF clipRect() const { return m_clipRect; }
QSizeF size() const { return m_size; }
QPointF origin() const { return m_origin; }
void setAnimation(XYAnimation* animation);
ChartAnimation* animation() const { return m_animation; }
virtual void updateGeometry() = 0;
bool isDirty() const { return m_dirty; }
void setDirty(bool dirty);
public Q_SLOTS:
void handlePointAdded(int index);
void handlePointRemoved(int index);
void handlePointReplaced(int index);
void handleReinitialized();
void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
void handleGeometryChanged(const QRectF &size);
Q_SIGNALS:
void clicked(const QPointF& point);
protected:
virtual void updateChart(QVector<QPointF> &oldPoints,QVector<QPointF> &newPoints,int index = 0);
QPointF calculateGeometryPoint(const QPointF &point) const;
QPointF calculateGeometryPoint(int index) const;
QPointF calculateDomainPoint(const QPointF &point) const;
QVector<QPointF> calculateGeometryPoints() const;
private:
inline bool isEmpty();
private:
qreal m_minX;
qreal m_maxX;
qreal m_minY;
qreal m_maxY;
QXYSeries* m_series;
QSizeF m_size;
QPointF m_origin;
QRectF m_clipRect;
QVector<QPointF> m_points;
XYAnimation* m_animation;
bool m_dirty;
friend class AreaChartItem;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif
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