chartbackground.cpp
100 lines
| 2.9 KiB
| text/x-c
|
CppLexer
winter
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r0 | /**************************************************************************** | ||
** | ||||
** 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 | ||||