diff -r 000000000000 -r 1918ee327afb examples/painting/svggenerator/displaywidget.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/painting/svggenerator/displaywidget.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,149 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples 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 "displaywidget.h" + +DisplayWidget::DisplayWidget(QWidget *parent) + : QWidget(parent) +{ + QPainterPath car; + QPainterPath house; + + QFile file(":resources/shapes.dat"); + file.open(QFile::ReadOnly); + QDataStream stream(&file); + stream >> car >> house >> tree >> moon; + file.close(); + + shapeMap[Car] = car; + shapeMap[House] = house; + + background = Sky; + shapeColor = Qt::darkYellow; + shape = House; +} + +//! [paint event] +void DisplayWidget::paintEvent(QPaintEvent * /* event */) +{ + QPainter painter; + painter.begin(this); + painter.setRenderHint(QPainter::Antialiasing); + paint(painter); + painter.end(); +} +//! [paint event] + +//! [paint function] +void DisplayWidget::paint(QPainter &painter) +{ +//![paint picture] + painter.setClipRect(QRect(0, 0, 200, 200)); + painter.setPen(Qt::NoPen); + + switch (background) { + case Sky: + default: + painter.fillRect(QRect(0, 0, 200, 200), Qt::darkBlue); + painter.translate(145, 10); + painter.setBrush(Qt::white); + painter.drawPath(moon); + painter.translate(-145, -10); + break; + case Trees: + { + painter.fillRect(QRect(0, 0, 200, 200), Qt::darkGreen); + painter.setBrush(Qt::green); + painter.setPen(Qt::black); + for (int y = -55, row = 0; y < 200; y += 50, ++row) { + int xs; + if (row == 2 || row == 3) + xs = 150; + else + xs = 50; + for (int x = 0; x < 200; x += xs) { + painter.save(); + painter.translate(x, y); + painter.drawPath(tree); + painter.restore(); + } + } + break; + } + case Road: + painter.fillRect(QRect(0, 0, 200, 200), Qt::gray); + painter.setPen(QPen(Qt::white, 4, Qt::DashLine)); + painter.drawLine(QLine(0, 35, 200, 35)); + painter.drawLine(QLine(0, 165, 200, 165)); + break; + } + + painter.setBrush(shapeColor); + painter.setPen(Qt::black); + painter.translate(100, 100); + painter.drawPath(shapeMap[shape]); +//![paint picture] +} +//! [paint function] + +QColor DisplayWidget::color() const +{ + return shapeColor; +} + +void DisplayWidget::setBackground(Background background) +{ + this->background = background; + update(); +} + +void DisplayWidget::setColor(const QColor &color) +{ + this->shapeColor = color; + update(); +} + +void DisplayWidget::setShape(Shape shape) +{ + this->shape = shape; + update(); +}