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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QtGui>
++ #include "paintwidget.h"
++
++ PaintWidget::PaintWidget(QWidget *parent)
++ : QWidget(parent)
++ {
++ }
++
++ void PaintWidget::paintEvent(QPaintEvent *event)
++ {
++ QLinearGradient gradient1(rect().topLeft(), rect().bottomRight());
++ gradient1.setColorAt(0, QColor("#ffffcc"));
++ gradient1.setColorAt(1, QColor("#ccccff"));
++
++ QRectF ellipseRect(width()*0.25, height()*0.25, width()*0.5, height()*0.5);
++ QLinearGradient gradient2(ellipseRect.topLeft(), ellipseRect.bottomRight());
++ gradient2.setColorAt(0, QColor("#ccccff"));
++ gradient2.setColorAt(1, QColor("#ffffcc"));
++
++ QPainter painter;
++ painter.begin(this);
++ painter.setRenderHint(QPainter::Antialiasing);
++ painter.fillRect(rect(), QBrush(gradient1));
++ painter.setBrush(QBrush(gradient2));
++ painter.drawEllipse(ellipseRect);
++ painter.end();
++ }