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Use Item instead of Rectangle as a background item where possible...
Use Item instead of Rectangle as a background item where possible Using Rectangle as background is not recommended if it is only for color. It is more efficient to simply set the window color. Change-Id: I3447ca394d74fa415bde4e9d2f210c81f354555e Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

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declarativexyseries.h
56 lines | 1.5 KiB | text/x-c | CLexer
/******************************************************************************
**
** 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.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef DECLARATIVE_XY_SERIES_H
#define DECLARATIVE_XY_SERIES_H
#include <QtCharts/QXYSeries>
QT_CHARTS_BEGIN_NAMESPACE
class QChart;
class QAbstractSeries;
class DeclarativeXySeries
{
public:
explicit DeclarativeXySeries();
~DeclarativeXySeries();
public:
void classBegin();
void componentComplete();
virtual QXYSeries *xySeries() = 0;
void append(qreal x, qreal y);
void replace(qreal oldX, qreal oldY, qreal newX, qreal newY);
void replace(int index, qreal newX, qreal newY);
void remove(qreal x, qreal y);
void remove(int index);
void removePoints(int index, int count);
void insert(int index, qreal x, qreal y);
void clear();
QPointF at(int index);
};
QT_CHARTS_END_NAMESPACE
#endif // DECLARATIVE_XY_SERIES_H