1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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class MyWidget : public QWidget
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{
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public:
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MyWidget(QWidget * parent, const QString &imagefname, bool scaleImage)
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: QWidget(parent), fileName(imagefname), scale(scaleImage)
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{
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}
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virtual void paintEvent(QPaintEvent * /*event*/)
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{
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QPainter painter(this);
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QImageReader reader(fileName);
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if (!reader.canRead()) {
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qWarning("Unable to read image file %s", fileName.toLocal8Bit().constData());
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return;
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}
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if (!scale){
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QImage image = reader.read();
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painter.drawImage(rect(), image);
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}else{
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reader.setScaledSize( QSize(rect().width(), rect().height()) );
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QImage image = reader.read();
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painter.drawImage(rect(), image);
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}
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}
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private:
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QString fileName;
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bool scale;
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};
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// both the scaled and unscaled version of the CMYK encoded JPEG
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// should have the same colors and not look corrupted.
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int main(int argc, char** argv)
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{
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QApplication app(argc, argv);
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QWidget mainWidget;
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mainWidget.setWindowTitle("Colors in images are identical?");
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mainWidget.setMinimumSize(400,400);
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QHBoxLayout *l = new QHBoxLayout;
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MyWidget *w1 = new MyWidget(&mainWidget,"Qt_logostrap_CMYK.jpg", false);
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MyWidget *w2 = new MyWidget(&mainWidget,"Qt_logostrap_CMYK.jpg", true);
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l->addWidget(w1);
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l->addWidget(w2);
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mainWidget.setLayout(l);
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mainWidget.show();
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return app.exec();
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}
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