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-rw-r--r--examples/animation/research/photobrowser/riveritem.cpp125
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diff --git a/examples/animation/research/photobrowser/riveritem.cpp b/examples/animation/research/photobrowser/riveritem.cpp
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--- a/examples/animation/research/photobrowser/riveritem.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the either Technology Preview License Agreement or the
-** Beta Release License Agreement.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "riveritem.h"
-#include "river.h"
-
-RiverItem::RiverItem(QGraphicsItem *parent) : QGraphicsPixmapItem(parent), m_fullscreen(false)
-{
- setCacheMode(DeviceCoordinateCache);
-}
-
-RiverItem::~RiverItem()
-{
-}
-
-void RiverItem::setPixmap(const QPixmap &pix)
-{
- const QSize oldSize = pixmap().size();
- const QSize newSize = pix.size();
- QGraphicsPixmapItem::setPixmap(pix);
-
- if (newSize != oldSize) {
- setOffset(-newSize.width()/2, -newSize.height()/2);
- const qreal scaleFactor = qreal(River::fixedSize().height())/(qreal(pix.height()*7));
- setTransform(QTransform().scale(scaleFactor, scaleFactor));
- prepareGeometryChange();
- }
-}
-
-
-void RiverItem::setFullScreen(bool b, qreal originScaleFactor)
-{
- if (m_fullscreen == b)
- return;
-
- m_fullscreen = b;
-
- QPointF newPos;
- qreal rotationZ;
- qreal scaleX, scaleY;
-
- if (b) {
- const QSizeF basePixmapSize = transform().map(boundingRect()).boundingRect().size();
-
- newPos = parentItem()->boundingRect().center();
- rotationZ = 90;
- scaleY = qreal(River::fixedSize().width()) / basePixmapSize.height() * yScale();
- scaleX = qreal(River::fixedSize().height()) / basePixmapSize.width() * xScale();
-
- if (m_nonFSPos.isNull()) {
- m_nonFSPos = pos(); //let's save our current (non fullscreen) position
- }
-
- } else {
- Q_ASSERT(!m_nonFSPos.isNull());
- rotationZ = 0;
- scaleX = originScaleFactor;
- scaleY = originScaleFactor;
- newPos = m_nonFSPos;
- }
-
- QAnimationGroup *group = new QParallelAnimationGroup(scene());
- QItemAnimation *anim = new QItemAnimation(this, QItemAnimation::Position);
- anim->setEndValue(newPos);
- group->addAnimation(anim);
- anim = new QItemAnimation(this, QItemAnimation::RotationZ);
- anim->setEndValue(rotationZ);
- group->addAnimation(anim);
- anim = new QItemAnimation(this, QItemAnimation::ScaleFactorX);
- anim->setEndValue(scaleX);
- group->addAnimation(anim);
- anim = new QItemAnimation(this, QItemAnimation::ScaleFactorY);
- anim->setEndValue(scaleY);
- group->addAnimation(anim);
- group->start(QAbstractAnimation::DeleteWhenStopped);
-}
-
-void RiverItem::mousePressEvent(QGraphicsSceneMouseEvent*)
-{
- //just let it rotate on itself
- QItemAnimation *anim = new QItemAnimation(this, QItemAnimation::RotationY);
- anim->setEndValue(yRotation() < 180 ? 360 : 0);
- anim->setDuration(500);
- anim->start(QAbstractAnimation::DeleteWhenStopped);
-}
-
-