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-rw-r--r--examples/painting/painterpaths/renderarea.cpp130
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diff --git a/examples/painting/painterpaths/renderarea.cpp b/examples/painting/painterpaths/renderarea.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** 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 <QtWidgets>
-
-#include "renderarea.h"
-
-//! [0]
-RenderArea::RenderArea(const QPainterPath &path, QWidget *parent)
- : QWidget(parent), path(path)
-{
- penWidth = 1;
- rotationAngle = 0;
- setBackgroundRole(QPalette::Base);
-}
-//! [0]
-
-//! [1]
-QSize RenderArea::minimumSizeHint() const
-{
- return QSize(50, 50);
-}
-//! [1]
-
-//! [2]
-QSize RenderArea::sizeHint() const
-{
- return QSize(100, 100);
-}
-//! [2]
-
-//! [3]
-void RenderArea::setFillRule(Qt::FillRule rule)
-{
- path.setFillRule(rule);
- update();
-}
-//! [3]
-
-//! [4]
-void RenderArea::setFillGradient(const QColor &color1, const QColor &color2)
-{
- fillColor1 = color1;
- fillColor2 = color2;
- update();
-}
-//! [4]
-
-//! [5]
-void RenderArea::setPenWidth(int width)
-{
- penWidth = width;
- update();
-}
-//! [5]
-
-//! [6]
-void RenderArea::setPenColor(const QColor &color)
-{
- penColor = color;
- update();
-}
-//! [6]
-
-//! [7]
-void RenderArea::setRotationAngle(int degrees)
-{
- rotationAngle = degrees;
- update();
-}
-//! [7]
-
-//! [8]
-void RenderArea::paintEvent(QPaintEvent *)
-{
- QPainter painter(this);
- painter.setRenderHint(QPainter::Antialiasing);
-//! [8] //! [9]
- painter.scale(width() / 100.0, height() / 100.0);
- painter.translate(50.0, 50.0);
- painter.rotate(-rotationAngle);
- painter.translate(-50.0, -50.0);
-
-//! [9] //! [10]
- painter.setPen(QPen(penColor, penWidth, Qt::SolidLine, Qt::RoundCap,
- Qt::RoundJoin));
- QLinearGradient gradient(0, 0, 0, 100);
- gradient.setColorAt(0.0, fillColor1);
- gradient.setColorAt(1.0, fillColor2);
- painter.setBrush(gradient);
- painter.drawPath(path);
-}
-//! [10]