1 files changed, 95 insertions, 0 deletions
diff --git a/examples/animation/photobrowser/riveritem.cpp b/examples/animation/photobrowser/riveritem.cpp
new file mode 100644
index 0000000..f6523a7
--- /dev/null
+++ b/examples/animation/photobrowser/riveritem.cpp
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#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);
+}
+
+