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>
637 lines
20 KiB
C++
637 lines
20 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 test suite 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 <QtTest/QtTest>
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#include <QDebug>
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#include <QFile>
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#include <QImage>
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#include <QImageReader>
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#include <QImageWriter>
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#include <QLabel>
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#include <QPainter>
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#include <QSet>
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typedef QMap<QString, QString> QStringMap;
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typedef QList<int> QIntList;
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Q_DECLARE_METATYPE(QImage)
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Q_DECLARE_METATYPE(QStringMap)
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Q_DECLARE_METATYPE(QIntList)
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Q_DECLARE_METATYPE(QImageWriter::ImageWriterError)
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Q_DECLARE_METATYPE(QIODevice *)
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Q_DECLARE_METATYPE(QImage::Format)
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class tst_QImageWriter : public QObject
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{
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Q_OBJECT
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public:
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tst_QImageWriter();
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virtual ~tst_QImageWriter();
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public slots:
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void init();
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void initTestCase();
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void cleanup();
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private slots:
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void getSetCheck();
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void writeImage_data();
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void writeImage();
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void writeImage2_data();
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void writeImage2();
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void supportedFormats();
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void readWriteNonDestructive_data();
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void readWriteNonDestructive();
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#if defined QTEST_HAVE_TIFF
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void largeTiff();
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#endif
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void writeToInvalidDevice();
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void supportsOption_data();
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void supportsOption();
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void saveWithNoFormat_data();
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void saveWithNoFormat();
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void resolution_data();
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void resolution();
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void saveToTemporaryFile();
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private:
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QString prefix;
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};
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static void initializePadding(QImage *image)
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{
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int effectiveBytesPerLine = (image->width() * image->depth() + 7) / 8;
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int paddingBytes = image->bytesPerLine() - effectiveBytesPerLine;
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if (paddingBytes == 0)
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return;
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for (int y = 0; y < image->height(); ++y) {
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qMemSet(image->scanLine(y) + effectiveBytesPerLine, 0, paddingBytes);
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}
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}
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void tst_QImageWriter::initTestCase()
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{
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prefix = QFINDTESTDATA("images/");
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if (prefix.isEmpty())
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QFAIL("Can't find images directory!");
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}
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// Testing get/set functions
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void tst_QImageWriter::getSetCheck()
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{
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QImageWriter obj1;
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// QIODevice * QImageWriter::device()
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// void QImageWriter::setDevice(QIODevice *)
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QFile *var1 = new QFile;
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obj1.setDevice(var1);
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QCOMPARE((QIODevice *) var1, obj1.device());
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// The class should possibly handle a 0-pointer as a device, since
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// there is a default contructor, so it's "handling" a 0 device by default.
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// For example: QMovie::setDevice(0) works just fine
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obj1.setDevice((QIODevice *)0);
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QCOMPARE((QIODevice *) 0, obj1.device());
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delete var1;
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// int QImageWriter::quality()
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// void QImageWriter::setQuality(int)
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obj1.setQuality(0);
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QCOMPARE(0, obj1.quality());
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obj1.setQuality(INT_MIN);
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QCOMPARE(INT_MIN, obj1.quality());
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obj1.setQuality(INT_MAX);
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QCOMPARE(INT_MAX, obj1.quality());
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// int QImageWriter::compression()
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// void QImageWriter::setCompression(int)
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obj1.setCompression(0);
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QCOMPARE(0, obj1.compression());
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obj1.setCompression(INT_MIN);
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QCOMPARE(INT_MIN, obj1.compression());
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obj1.setCompression(INT_MAX);
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QCOMPARE(INT_MAX, obj1.compression());
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// float QImageWriter::gamma()
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// void QImageWriter::setGamma(float)
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obj1.setGamma(0.0f);
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QCOMPARE(0.0f, obj1.gamma());
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obj1.setGamma(1.1f);
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QCOMPARE(1.1f, obj1.gamma());
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}
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tst_QImageWriter::tst_QImageWriter()
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{
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}
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tst_QImageWriter::~tst_QImageWriter()
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{
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QDir dir(prefix);
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QStringList filesToDelete = dir.entryList(QStringList() << "gen-*" , QDir::NoDotAndDotDot | QDir::Files);
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foreach( QString file, filesToDelete) {
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QFile::remove(dir.absoluteFilePath(file));
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}
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}
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void tst_QImageWriter::init()
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{
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}
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void tst_QImageWriter::cleanup()
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{
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}
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void tst_QImageWriter::writeImage_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<bool>("lossy");
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QTest::addColumn<QByteArray>("format");
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QTest::newRow("BMP: colorful") << QString("colorful.bmp") << false << QByteArray("bmp");
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QTest::newRow("BMP: font") << QString("font.bmp") << false << QByteArray("bmp");
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QTest::newRow("XPM: marble") << QString("marble.xpm") << false << QByteArray("xpm");
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QTest::newRow("PNG: kollada") << QString("kollada.png") << false << QByteArray("png");
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QTest::newRow("PPM: teapot") << QString("teapot.ppm") << false << QByteArray("ppm");
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QTest::newRow("PBM: ship63") << QString("ship63.pbm") << true << QByteArray("pbm");
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QTest::newRow("XBM: gnus") << QString("gnus.xbm") << false << QByteArray("xbm");
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QTest::newRow("JPEG: beavis") << QString("beavis.jpg") << true << QByteArray("jpeg");
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#if defined QTEST_HAVE_TIFF
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QTest::newRow("TIFF: teapot") << QString("teapot.tiff") << false << QByteArray("tiff");
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#endif
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}
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void tst_QImageWriter::writeImage()
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{
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QFETCH(QString, fileName);
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QFETCH(bool, lossy);
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QFETCH(QByteArray, format);
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QImage image;
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{
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QImageReader reader(prefix + fileName);
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image = reader.read();
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QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
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}
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{
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QImageWriter writer(prefix + "gen-" + fileName, format);
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QVERIFY(writer.write(image));
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}
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{
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bool skip = false;
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#if defined(Q_OS_UNIX)
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if (::geteuid() == 0)
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skip = true;
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#endif
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if (!skip) {
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// Shouldn't be able to write to read-only file
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QFile sourceFile(prefix + "gen-" + fileName);
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QFile::Permissions permissions = sourceFile.permissions();
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QVERIFY(sourceFile.setPermissions(QFile::ReadOwner | QFile::ReadUser | QFile::ReadGroup | QFile::ReadOther));
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QImageWriter writer(prefix + "gen-" + fileName, format);
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QVERIFY(!writer.write(image));
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QVERIFY(sourceFile.setPermissions(permissions));
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}
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}
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QImage image2;
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{
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QImageReader reader(prefix + "gen-" + fileName);
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image2 = reader.read();
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QVERIFY(!image2.isNull());
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}
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if (!lossy) {
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QCOMPARE(image, image2);
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} else {
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QCOMPARE(image.format(), image2.format());
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QCOMPARE(image.depth(), image2.depth());
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}
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}
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void tst_QImageWriter::writeImage2_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<QByteArray>("format");
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QTest::addColumn<QImage>("image");
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const QStringList formats = QStringList() << "bmp" << "xpm" << "png"
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<< "ppm"; //<< "jpeg";
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QImage image0(70, 70, QImage::Format_ARGB32);
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image0.fill(QColor(Qt::red).rgb());
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QImage::Format imgFormat = QImage::Format_Mono;
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while (imgFormat != QImage::NImageFormats) {
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QImage image = image0.convertToFormat(imgFormat);
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initializePadding(&image);
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foreach (const QString format, formats) {
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const QString fileName = QString("solidcolor_%1.%2").arg(imgFormat)
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.arg(format);
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QTest::newRow(fileName.toLatin1()) << fileName
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<< format.toLatin1()
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<< image;
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}
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imgFormat = QImage::Format(int(imgFormat) + 1);
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}
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}
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#if defined QTEST_HAVE_TIFF
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void tst_QImageWriter::largeTiff()
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{
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#if !defined(Q_OS_WINCE)
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QImage img(4096, 2048, QImage::Format_ARGB32);
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QPainter p(&img);
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img.fill(0x0);
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p.fillRect(0, 0, 4096, 2048, QBrush(Qt::CrossPattern));
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p.end();
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QByteArray array;
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QBuffer writeBuffer(&array);
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writeBuffer.open(QIODevice::WriteOnly);
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QImageWriter writer(&writeBuffer, "tiff");
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QVERIFY(writer.write(img));
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writeBuffer.close();
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QBuffer readBuffer(&array);
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readBuffer.open(QIODevice::ReadOnly);
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QImageReader reader(&readBuffer, "tiff");
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QImage img2 = reader.read();
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QVERIFY(!img2.isNull());
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QCOMPARE(img, img2);
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#else
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QWARN("not tested on WinCE");
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#endif
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}
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#endif
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/*
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Workaround for the equality operator for indexed formats
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(which fails if the colortables are different).
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Images must have the same format and size.
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*/
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static bool equalImageContents(const QImage &image1, const QImage &image2)
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{
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switch (image1.format()) {
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case QImage::Format_Mono:
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case QImage::Format_Indexed8:
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for (int y = 0; y < image1.height(); ++y)
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for (int x = 0; x < image1.width(); ++x)
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if (image1.pixel(x, y) != image2.pixel(x, y))
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return false;
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return true;
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default:
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return (image1 == image2);
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}
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}
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void tst_QImageWriter::writeImage2()
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{
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QFETCH(QString, fileName);
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QFETCH(QByteArray, format);
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QFETCH(QImage, image);
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//we reduce the scope of writer so that it closes the associated file
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// and QFile::remove can actually work
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{
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QImageWriter writer(fileName, format);
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QVERIFY(writer.write(image));
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}
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QImage written;
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//we reduce the scope of reader so that it closes the associated file
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// and QFile::remove can actually work
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{
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QImageReader reader(fileName, format);
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QVERIFY(reader.read(&written));
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}
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written = written.convertToFormat(image.format());
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if (!equalImageContents(written, image)) {
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qDebug() << "image" << image.format() << image.width()
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<< image.height() << image.depth()
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<< hex << image.pixel(0, 0);
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qDebug() << "written" << written.format() << written.width()
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<< written.height() << written.depth()
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<< hex << written.pixel(0, 0);
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}
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QVERIFY(equalImageContents(written, image));
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QVERIFY(QFile::remove(fileName));
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}
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void tst_QImageWriter::supportedFormats()
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{
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QList<QByteArray> formats = QImageWriter::supportedImageFormats();
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QList<QByteArray> sortedFormats = formats;
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qSort(sortedFormats);
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// check that the list is sorted
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QCOMPARE(formats, sortedFormats);
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QSet<QByteArray> formatSet;
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foreach (QByteArray format, formats)
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formatSet << format;
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// check that the list does not contain duplicates
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QCOMPARE(formatSet.size(), formats.size());
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}
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void tst_QImageWriter::readWriteNonDestructive_data()
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{
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QTest::addColumn<QImage::Format>("format");
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QTest::addColumn<QImage::Format>("expectedFormat");
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QTest::addColumn<bool>("grayscale");
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QTest::newRow("tiff mono") << QImage::Format_Mono << QImage::Format_Mono << false;
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QTest::newRow("tiff indexed") << QImage::Format_Indexed8 << QImage::Format_Indexed8 << false;
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QTest::newRow("tiff rgb32") << QImage::Format_ARGB32 << QImage::Format_ARGB32 << false;
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QTest::newRow("tiff grayscale") << QImage::Format_Indexed8 << QImage::Format_Indexed8 << true;
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}
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void tst_QImageWriter::readWriteNonDestructive()
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{
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QFETCH(QImage::Format, format);
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QFETCH(QImage::Format, expectedFormat);
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QFETCH(bool, grayscale);
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QImage image = QImage(prefix + "colorful.bmp").convertToFormat(format);
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if (grayscale) {
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QVector<QRgb> colors;
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for (int i = 0; i < 256; ++i)
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colors << qRgb(i, i, i);
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image.setColorTable(colors);
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}
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QVERIFY(image.save(prefix + "gen-readWriteNonDestructive.tiff"));
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QImage image2 = QImage(prefix + "gen-readWriteNonDestructive.tiff");
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QImage::Format readFormat = image2.format();
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QCOMPARE(readFormat, expectedFormat);
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QCOMPARE(image, image2);
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}
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void tst_QImageWriter::writeToInvalidDevice()
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{
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QLatin1String fileName("/these/directories/do/not/exist/001.png");
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{
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QImageWriter writer(fileName);
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QVERIFY(!writer.canWrite());
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QCOMPARE(writer.error(), QImageWriter::DeviceError);
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}
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{
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QImageWriter writer(fileName);
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writer.setFormat("png");
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QVERIFY(!writer.canWrite());
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QCOMPARE(writer.error(), QImageWriter::DeviceError);
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}
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{
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QImageWriter writer(fileName);
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QImage im(10, 10, QImage::Format_ARGB32);
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QVERIFY(!writer.write(im));
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QCOMPARE(writer.error(), QImageWriter::DeviceError);
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}
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{
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QImageWriter writer(fileName);
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writer.setFormat("png");
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QImage im(10, 10, QImage::Format_ARGB32);
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QVERIFY(!writer.write(im));
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QCOMPARE(writer.error(), QImageWriter::DeviceError);
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}
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}
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void tst_QImageWriter::supportsOption_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<QIntList>("options");
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QTest::newRow("png") << QString("gen-black.png")
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<< (QIntList() << QImageIOHandler::Gamma
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<< QImageIOHandler::Description
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<< QImageIOHandler::Quality
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<< QImageIOHandler::Size);
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#if defined QTEST_HAVE_TIFF
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QTest::newRow("tiff") << QString("gen-black.tiff")
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<< (QIntList() << QImageIOHandler::Size
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<< QImageIOHandler::CompressionRatio);
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#endif
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}
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void tst_QImageWriter::supportsOption()
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{
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QFETCH(QString, fileName);
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QFETCH(QIntList, options);
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QSet<QImageIOHandler::ImageOption> allOptions;
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allOptions << QImageIOHandler::Size
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<< QImageIOHandler::ClipRect
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<< QImageIOHandler::Description
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<< QImageIOHandler::ScaledClipRect
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<< QImageIOHandler::ScaledSize
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<< QImageIOHandler::CompressionRatio
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<< QImageIOHandler::Gamma
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<< QImageIOHandler::Quality
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<< QImageIOHandler::Name
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<< QImageIOHandler::SubType
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<< QImageIOHandler::IncrementalReading
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<< QImageIOHandler::Endianness
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<< QImageIOHandler::Animation
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<< QImageIOHandler::BackgroundColor;
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QImageWriter writer(prefix + fileName);
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for (int i = 0; i < options.size(); ++i) {
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QVERIFY(writer.supportsOption(QImageIOHandler::ImageOption(options.at(i))));
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allOptions.remove(QImageIOHandler::ImageOption(options.at(i)));
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}
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foreach (QImageIOHandler::ImageOption option, allOptions)
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QVERIFY(!writer.supportsOption(option));
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}
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void tst_QImageWriter::saveWithNoFormat_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<QByteArray>("format");
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QTest::addColumn<QImageWriter::ImageWriterError>("error");
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QTest::newRow("garble") << prefix + QString("gen-out.garble") << QByteArray("jpeg") << QImageWriter::UnsupportedFormatError;
|
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QTest::newRow("bmp") << prefix + QString("gen-out.bmp") << QByteArray("bmp") << QImageWriter::ImageWriterError(0);
|
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QTest::newRow("xbm") << prefix + QString("gen-out.xbm") << QByteArray("xbm") << QImageWriter::ImageWriterError(0);
|
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QTest::newRow("xpm") << prefix + QString("gen-out.xpm") << QByteArray("xpm") << QImageWriter::ImageWriterError(0);
|
|
QTest::newRow("png") << prefix + QString("gen-out.png") << QByteArray("png") << QImageWriter::ImageWriterError(0);
|
|
QTest::newRow("ppm") << prefix + QString("gen-out.ppm") << QByteArray("ppm") << QImageWriter::ImageWriterError(0);
|
|
QTest::newRow("pbm") << prefix + QString("gen-out.pbm") << QByteArray("pbm") << QImageWriter::ImageWriterError(0);
|
|
#if defined QTEST_HAVE_TIFF
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|
QTest::newRow("tiff") << prefix + QString("gen-out.tiff") << QByteArray("tiff") << QImageWriter::ImageWriterError(0);
|
|
#endif
|
|
}
|
|
|
|
void tst_QImageWriter::saveWithNoFormat()
|
|
{
|
|
QFETCH(QString, fileName);
|
|
QFETCH(QByteArray, format);
|
|
QFETCH(QImageWriter::ImageWriterError, error);
|
|
|
|
QImage niceImage(64, 64, QImage::Format_ARGB32);
|
|
qMemSet(niceImage.bits(), 0, niceImage.byteCount());
|
|
|
|
QImageWriter writer(fileName /* , 0 - no format! */);
|
|
if (error != 0) {
|
|
QVERIFY(!writer.write(niceImage));
|
|
QCOMPARE(writer.error(), error);
|
|
return;
|
|
}
|
|
|
|
QVERIFY2(writer.write(niceImage), qPrintable(writer.errorString()));
|
|
|
|
QImageReader reader(fileName);
|
|
QCOMPARE(reader.format(), format);
|
|
|
|
QVERIFY(reader.canRead());
|
|
|
|
QImage outImage = reader.read();
|
|
QVERIFY2(!outImage.isNull(), qPrintable(reader.errorString()));
|
|
}
|
|
|
|
void tst_QImageWriter::resolution_data()
|
|
{
|
|
QTest::addColumn<QString>("filename");
|
|
QTest::addColumn<int>("expectedDotsPerMeterX");
|
|
QTest::addColumn<int>("expectedDotsPerMeterY");
|
|
#if defined QTEST_HAVE_TIFF
|
|
QTest::newRow("TIFF: 100 dpi") << ("image_100dpi.tif") << qRound(100 * (100 / 2.54)) << qRound(100 * (100 / 2.54));
|
|
QTest::newRow("TIFF: 50 dpi") << ("image_50dpi.tif") << qRound(50 * (100 / 2.54)) << qRound(50 * (100 / 2.54));
|
|
QTest::newRow("TIFF: 300 dot per meter") << ("image_300dpm.tif") << 300 << 300;
|
|
#endif
|
|
}
|
|
|
|
void tst_QImageWriter::resolution()
|
|
{
|
|
QFETCH(QString, filename);
|
|
QFETCH(int, expectedDotsPerMeterX);
|
|
QFETCH(int, expectedDotsPerMeterY);
|
|
|
|
QImage image(prefix + QLatin1String("colorful.bmp"));
|
|
image.setDotsPerMeterX(expectedDotsPerMeterX);
|
|
image.setDotsPerMeterY(expectedDotsPerMeterY);
|
|
const QString generatedFilepath = prefix + "gen-" + filename;
|
|
{
|
|
QImageWriter writer(generatedFilepath);
|
|
QVERIFY(writer.write(image));
|
|
}
|
|
QImageReader reader(generatedFilepath);
|
|
const QImage generatedImage = reader.read();
|
|
|
|
QCOMPARE(expectedDotsPerMeterX, generatedImage.dotsPerMeterX());
|
|
QCOMPARE(expectedDotsPerMeterY, generatedImage.dotsPerMeterY());
|
|
}
|
|
|
|
void tst_QImageWriter::saveToTemporaryFile()
|
|
{
|
|
QImage image(prefix + "kollada.png");
|
|
QVERIFY(!image.isNull());
|
|
|
|
{
|
|
// 1) Via QImageWriter's API, with a standard temp file name
|
|
QTemporaryFile file;
|
|
QVERIFY(file.open());
|
|
QImageWriter writer(&file, "PNG");
|
|
if (writer.canWrite())
|
|
QVERIFY(writer.write(image));
|
|
else
|
|
qWarning() << file.errorString();
|
|
#if defined(Q_OS_WINCE)
|
|
file.reset();
|
|
#endif
|
|
QCOMPARE(QImage(writer.fileName()), image);
|
|
}
|
|
{
|
|
// 2) Via QImage's API, with a standard temp file name
|
|
QTemporaryFile file;
|
|
QVERIFY(file.open());
|
|
QVERIFY(image.save(&file, "PNG"));
|
|
file.reset();
|
|
QImage tmp;
|
|
QVERIFY(tmp.load(&file, "PNG"));
|
|
QCOMPARE(tmp, image);
|
|
}
|
|
{
|
|
// 3) Via QImageWriter's API, with a named temp file
|
|
QTemporaryFile file("tempXXXXXX");
|
|
QVERIFY(file.open());
|
|
QImageWriter writer(&file, "PNG");
|
|
QVERIFY(writer.write(image));
|
|
#if defined(Q_OS_WINCE)
|
|
file.reset();
|
|
#endif
|
|
QCOMPARE(QImage(writer.fileName()), image);
|
|
}
|
|
{
|
|
// 4) Via QImage's API, with a named temp file
|
|
QTemporaryFile file("tempXXXXXX");
|
|
QVERIFY(file.open());
|
|
QVERIFY(image.save(&file, "PNG"));
|
|
file.reset();
|
|
QImage tmp;
|
|
QVERIFY(tmp.load(&file, "PNG"));
|
|
QCOMPARE(tmp, image);
|
|
}
|
|
}
|
|
|
|
QTEST_MAIN(tst_QImageWriter)
|
|
#include "tst_qimagewriter.moc"
|