| /**************************************************************************** |
| ** |
| ** 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 |