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The qTox Project is not associated with the Tox Project in any way, with the exception of "qTox" using the Tox Projet's "toxcore" collection of libraries. In particular, the Tox Projet does not own copyright over the qTox Project's "qTox" collection of software, source code, and assets. The qTox Project's assets are under the sole copyright of the qTox contributors, and no partiular rights are granted to the Tox Project.
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
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Copyright © 2014-2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "spinner.h"
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#include "../pixmapcache.h"
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#include <QPainter>
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#include <QGraphicsScene>
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#include <QTime>
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#include <QVariantAnimation>
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#include <QDebug>
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Spinner::Spinner(const QString &img, QSize Size, qreal speed)
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: size(Size)
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, rotSpeed(speed)
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{
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pmap = PixmapCache::getInstance().get(img, size);
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timer.setInterval(1000/30); // 30Hz
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timer.setSingleShot(false);
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blendAnimation = new QVariantAnimation(this);
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blendAnimation->setStartValue(0.0);
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blendAnimation->setEndValue(1.0);
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blendAnimation->setDuration(350);
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blendAnimation->setEasingCurve(QEasingCurve::InCubic);
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blendAnimation->start(QAbstractAnimation::DeleteWhenStopped);
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connect(blendAnimation, &QVariantAnimation::valueChanged, this, [this](const QVariant& val) { alpha = val.toDouble(); });
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QObject::connect(&timer, &QTimer::timeout, this, &Spinner::timeout);
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}
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QRectF Spinner::boundingRect() const
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{
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return QRectF(QPointF(-size.width() / 2.0, -size.height() / 2.0), size);
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}
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void Spinner::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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painter->setClipRect(boundingRect());
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QTransform trans = QTransform().rotate(QTime::currentTime().msecsSinceStartOfDay() / 1000.0 * rotSpeed)
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.translate(-size.width()/2.0, -size.height()/2.0);
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painter->setOpacity(alpha);
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painter->setTransform(trans, true);
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painter->setRenderHint(QPainter::SmoothPixmapTransform);
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painter->drawPixmap(0, 0, pmap);
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Q_UNUSED(option)
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Q_UNUSED(widget)
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}
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void Spinner::setWidth(qreal width)
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{
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Q_UNUSED(width)
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}
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void Spinner::visibilityChanged(bool visible)
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{
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if (visible)
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timer.start();
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else
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timer.stop();
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}
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qreal Spinner::getAscent() const
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{
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return 0.0;
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}
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void Spinner::timeout()
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{
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if (scene())
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scene()->invalidate(sceneBoundingRect());
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}
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