##// END OF EJS Templates
functionnal colorbar
functionnal colorbar

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chartbackground.cpp
100 lines | 2.9 KiB | text/x-c | CppLexer
/ src / charts / chartbackground.cpp
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/chartbackground_p.h>
#include <private/chartconfig_p.h>
#include <QtGui/QPen>
#include <QtGui/QBrush>
#include <QtGui/QPainter>
#include <QGraphicsDropShadowEffect>
QT_CHARTS_BEGIN_NAMESPACE
ChartBackground::ChartBackground(QGraphicsItem *parent)
: QGraphicsRectItem(parent),
m_diameter(5),
m_dropShadow(0)
{
}
ChartBackground::~ChartBackground()
{
}
void ChartBackground::setDropShadowEnabled(bool enabled)
{
#ifdef QT_NO_GRAPHICSEFFECT
Q_UNUSED(enabled)
#else
if (enabled) {
if (!m_dropShadow) {
m_dropShadow = new QGraphicsDropShadowEffect();
#ifdef Q_OS_MAC
m_dropShadow->setBlurRadius(15);
m_dropShadow->setOffset(0, 0);
#elif defined(Q_OS_WIN)
m_dropShadow->setBlurRadius(10);
m_dropShadow->setOffset(0, 0);
#else
m_dropShadow->setBlurRadius(10);
m_dropShadow->setOffset(5, 5);
#endif
setGraphicsEffect(m_dropShadow);
}
} else {
delete m_dropShadow;
m_dropShadow = 0;
}
#endif
}
void ChartBackground::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->save();
painter->setPen(pen());
painter->setBrush(brush());
painter->drawRoundedRect(rect(), m_diameter, m_diameter);
painter->restore();
}
qreal ChartBackground::diameter() const
{
return m_diameter;
}
void ChartBackground::setDiameter(qreal diameter)
{
m_diameter = diameter;
update();
}
QT_CHARTS_END_NAMESPACE