diff -r dee5afe5301f -r 3f74d0d4af4c doc/src/snippets/brushstyles/renderarea.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/doc/src/snippets/brushstyles/renderarea.cpp Thu Apr 08 14:19:33 2010 +0300 @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#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); +}