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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "layoutitem.h"
++
++ #include <QGradient>
++ #include <QPainter>
++
++ //! [0]
++ LayoutItem::LayoutItem(QGraphicsItem *parent)
++ : QGraphicsLayoutItem(), QGraphicsItem(parent),
++ m_pix(QPixmap(QLatin1String(":/images/block.png")))
++ {
++ setGraphicsItem(this);
++ }
++ //! [0]
++
++ //! [1]
++ void LayoutItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
++ QWidget *widget)
++ {
++ Q_UNUSED(widget);
++ Q_UNUSED(option);
++
++ QRectF frame(QPointF(0, 0), geometry().size());
++ const QSize pmSize = m_pix.size();
++ 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(pmSize.width(), pmSize.height()) / 2);
++ QRectF innerFrame(pixpos, pmSize);
++ 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]