5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 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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** Contact: http://www.qt-project.org/
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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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**
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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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