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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "layoutitem.h"
+
+//! [0]
+LayoutItem::LayoutItem(QGraphicsItem *parent/* = 0*/)
+ : QGraphicsLayoutItem(), QGraphicsItem(parent)
+{
+ m_pix = new QPixmap(QLatin1String(":/images/block.png"));
+ setGraphicsItem(this);
+}
+//! [0]
+
+LayoutItem::~LayoutItem()
+{
+ delete m_pix;
+}
+
+//! [1]
+void LayoutItem::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget /*= 0*/)
+{
+ Q_UNUSED(widget);
+ Q_UNUSED(option);
+
+ QRectF frame(QPointF(0,0), geometry().size());
+ qreal w = m_pix->width();
+ qreal h = m_pix->height();
+ QGradientStops stops;
+//! [1]
+
+//! [2]
+ // paint a background rect (with gradient)
+ QLinearGradient gradient(frame.topLeft(), frame.topLeft() + QPointF(200,200));
+ stops << QGradientStop(0.0, QColor(60, 60, 60));
+ stops << QGradientStop(frame.height()/2/frame.height(), QColor(102, 176, 54));
+
+ //stops << QGradientStop(((frame.height() + h)/2 )/frame.height(), QColor(157, 195, 55));
+ stops << QGradientStop(1.0, QColor(215, 215, 215));
+ gradient.setStops(stops);
+ painter->setBrush(QBrush(gradient));
+ painter->drawRoundedRect(frame, 10.0, 10.0);
+
+ // paint a rect around the pixmap (with gradient)
+ QPointF pixpos = frame.center() - (QPointF(w, h)/2);
+ QRectF innerFrame(pixpos, QSizeF(w, h));
+ innerFrame.adjust(-4, -4, +4, +4);
+ gradient.setStart(innerFrame.topLeft());
+ gradient.setFinalStop(innerFrame.bottomRight());
+ stops.clear();
+ stops << QGradientStop(0.0, QColor(215, 255, 200));
+ stops << QGradientStop(0.5, QColor(102, 176, 54));
+ stops << QGradientStop(1.0, QColor(0, 0, 0));
+ gradient.setStops(stops);
+ painter->setBrush(QBrush(gradient));
+ painter->drawRoundedRect(innerFrame, 10.0, 10.0);
+ painter->drawPixmap(pixpos, *m_pix);
+}
+//! [2]
+
+//! [3]
+QRectF LayoutItem::boundingRect() const
+{
+ return QRectF(QPointF(0,0), geometry().size());
+}
+//! [3]
+
+//! [4]
+void LayoutItem::setGeometry(const QRectF &geom)
+{
+ prepareGeometryChange();
+ QGraphicsLayoutItem::setGeometry(geom);
+ setPos(geom.topLeft());
+}
+//! [4]
+
+//! [5]
+QSizeF LayoutItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+ switch (which) {
+ case Qt::MinimumSize:
+ case Qt::PreferredSize:
+ // Do not allow a size smaller than the pixmap with two frames around it.
+ return m_pix->size() + QSize(12, 12);
+ case Qt::MaximumSize:
+ return QSizeF(1000,1000);
+ default:
+ break;
+ }
+ return constraint;
+}
+//! [5]