Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QtGui>
++
++ #include "renderarea.h"
++
++ RenderArea::RenderArea(QBrush *brush, QWidget *parent)
++ : QWidget(parent)
++ {
++ currentBrush = brush;
++ }
++
++ QSize RenderArea::minimumSizeHint() const
++ {
++ return QSize(120, 60);
++ }
++
++ void RenderArea::paintEvent(QPaintEvent *)
++ {
++ QPainter painter(this);
++ painter.setPen(Qt::NoPen);
++ painter.setRenderHint(QPainter::Antialiasing);
++
++
++ if(currentBrush->style() == Qt::LinearGradientPattern) {
++ currentBrush = new QBrush(QLinearGradient(0, 0, width(), 60));
++ } else if(currentBrush->style() == Qt::RadialGradientPattern) {
++ QRadialGradient radial(width() / 2, 30, width() / 2, width() / 2, 30);
++ radial.setColorAt(0, Qt::white);
++ radial.setColorAt(1, Qt::black);
++ currentBrush = new QBrush(radial);
++ } else if(currentBrush->style() == Qt::ConicalGradientPattern) {
++ currentBrush = new QBrush(QConicalGradient(width() / 2, 30, 90));
++ }
++ painter.setBrush(*currentBrush);
++
++ QPainterPath path;
++ path.addRect(0, 0, parentWidget()->width(), 60);
++ painter.drawPath(path);
++ }