524 lines
20 KiB
C++
524 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtAddOn.ImageFormats module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 <QtGui/QtGui>
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Q_DECLARE_METATYPE(QImage::Format)
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Q_DECLARE_METATYPE(QImageWriter::ImageWriterError)
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typedef QList<int> QIntList;
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Q_DECLARE_METATYPE(QIntList)
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class tst_qtiff: public QObject
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{
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Q_OBJECT
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private slots:
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void initTestCase();
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void formatHandler();
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void readImage_data();
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void readImage();
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void readCorruptImage_data();
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void readCorruptImage();
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void tiffCompression_data();
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void tiffCompression();
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void tiffEndianness();
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void tiffOrientation_data();
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void tiffOrientation();
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void tiffGrayscale();
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void dotsPerMeter_data();
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void dotsPerMeter();
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void physicalDpi_data();
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void physicalDpi();
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void writeImage_data();
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void writeImage();
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void readWriteNonDestructive_data();
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void readWriteNonDestructive();
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void largeTiff();
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void supportsOption_data();
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void supportsOption();
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void resolution_data();
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void resolution();
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private:
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QString prefix;
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};
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void tst_qtiff::initTestCase()
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{
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prefix = ":/tiff/";
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}
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void tst_qtiff::formatHandler()
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{
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QString testFormat = "TIFF";
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QString testFile = prefix + "image.tif";
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QList<QByteArray> formats = QImageReader::supportedImageFormats();
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bool formatSupported = false;
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for (QList<QByteArray>::Iterator it = formats.begin(); it != formats.end(); ++it) {
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if (*it == testFormat.toLower()) {
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formatSupported = true;
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break;
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}
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}
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QVERIFY(formatSupported);
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QCOMPARE(QImageReader::imageFormat(testFile), testFormat.toLatin1().toLower());
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}
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void tst_qtiff::readImage_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<QSize>("size");
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QTest::newRow("grayscale-ref") << QString("grayscale-ref.tif") << QSize(320, 200);
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QTest::newRow("grayscale") << QString("grayscale.tif") << QSize(320, 200);
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QTest::newRow("image_100dpi") << QString("image_100dpi.tif") << QSize(22, 22);
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QTest::newRow("image") << QString("image.tif") << QSize(22, 22);
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QTest::newRow("indexed_orientation_1") << QString("indexed_orientation_1.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_2") << QString("indexed_orientation_2.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_3") << QString("indexed_orientation_3.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_4") << QString("indexed_orientation_4.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_5") << QString("indexed_orientation_5.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_6") << QString("indexed_orientation_6.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_7") << QString("indexed_orientation_7.tiff") << QSize(64, 64);
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QTest::newRow("indexed_orientation_8") << QString("indexed_orientation_8.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_1") << QString("mono_orientation_1.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_2") << QString("mono_orientation_2.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_3") << QString("mono_orientation_3.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_4") << QString("mono_orientation_4.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_5") << QString("mono_orientation_5.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_6") << QString("mono_orientation_6.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_7") << QString("mono_orientation_7.tiff") << QSize(64, 64);
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QTest::newRow("mono_orientation_8") << QString("mono_orientation_8.tiff") << QSize(64, 64);
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QTest::newRow("original_indexed") << QString("original_indexed.tiff") << QSize(64, 64);
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QTest::newRow("original_mono") << QString("original_mono.tiff") << QSize(64, 64);
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QTest::newRow("original_rgb") << QString("original_rgb.tiff") << QSize(64, 64);
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QTest::newRow("rgba_adobedeflate_littleendian") << QString("rgba_adobedeflate_littleendian.tif") << QSize(200, 200);
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QTest::newRow("rgba_lzw_littleendian") << QString("rgba_lzw_littleendian.tif") << QSize(200, 200);
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QTest::newRow("rgba_nocompression_bigendian") << QString("rgba_nocompression_bigendian.tif") << QSize(200, 200);
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QTest::newRow("rgba_nocompression_littleendian") << QString("rgba_nocompression_littleendian.tif") << QSize(200, 200);
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QTest::newRow("rgba_packbits_littleendian") << QString("rgba_packbits_littleendian.tif") << QSize(200, 200);
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QTest::newRow("rgba_zipdeflate_littleendian") << QString("rgba_zipdeflate_littleendian.tif") << QSize(200, 200);
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QTest::newRow("rgb_orientation_1") << QString("rgb_orientation_1.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_2") << QString("rgb_orientation_2.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_3") << QString("rgb_orientation_3.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_4") << QString("rgb_orientation_4.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_5") << QString("rgb_orientation_5.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_6") << QString("rgb_orientation_6.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_7") << QString("rgb_orientation_7.tiff") << QSize(64, 64);
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QTest::newRow("rgb_orientation_8") << QString("rgb_orientation_8.tiff") << QSize(64, 64);
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QTest::newRow("teapot") << QString("teapot.tiff") << QSize(256, 256);
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}
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void tst_qtiff::readImage()
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{
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QFETCH(QString, fileName);
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QFETCH(QSize, size);
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QString path = prefix + fileName;
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QImageReader reader(path);
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QVERIFY(reader.canRead());
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QImage image = reader.read();
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QVERIFY(!image.isNull());
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QCOMPARE(image.size(), size);
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}
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void tst_qtiff::readCorruptImage_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<QString>("message");
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QTest::newRow("corrupt tiff") << QString("corrupt-data.tif") << QString();
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}
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void tst_qtiff::readCorruptImage()
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{
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QFETCH(QString, fileName);
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QFETCH(QString, message);
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QString path = prefix + fileName;
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QImageReader reader(path);
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if (!message.isEmpty())
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QTest::ignoreMessage(QtWarningMsg, message.toLatin1());
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QVERIFY(reader.canRead());
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QImage image = reader.read();
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QVERIFY(image.isNull());
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}
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void tst_qtiff::tiffCompression_data()
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{
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QTest::addColumn<QString>("uncompressedFile");
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QTest::addColumn<QString>("compressedFile");
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QTest::newRow("TIFF: adobedeflate") << "rgba_nocompression_littleendian.tif"
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<< "rgba_adobedeflate_littleendian.tif";
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QTest::newRow("TIFF: lzw") << "rgba_nocompression_littleendian.tif"
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<< "rgba_lzw_littleendian.tif";
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QTest::newRow("TIFF: packbits") << "rgba_nocompression_littleendian.tif"
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<< "rgba_packbits_littleendian.tif";
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QTest::newRow("TIFF: zipdeflate") << "rgba_nocompression_littleendian.tif"
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<< "rgba_zipdeflate_littleendian.tif";
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}
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void tst_qtiff::tiffCompression()
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{
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QFETCH(QString, uncompressedFile);
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QFETCH(QString, compressedFile);
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QImage uncompressedImage(prefix + uncompressedFile);
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QImage compressedImage(prefix + compressedFile);
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QCOMPARE(uncompressedImage, compressedImage);
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}
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void tst_qtiff::tiffEndianness()
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{
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QImage littleEndian(prefix + "rgba_nocompression_littleendian.tif");
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QImage bigEndian(prefix + "rgba_nocompression_bigendian.tif");
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QCOMPARE(littleEndian, bigEndian);
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}
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void tst_qtiff::tiffOrientation_data()
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{
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QTest::addColumn<QString>("expected");
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QTest::addColumn<QString>("oriented");
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QTest::newRow("Indexed TIFF, orientation1") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_1.tiff";
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QTest::newRow("Indexed TIFF, orientation2") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_2.tiff";
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QTest::newRow("Indexed TIFF, orientation3") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_3.tiff";
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QTest::newRow("Indexed TIFF, orientation4") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_4.tiff";
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QTest::newRow("Indexed TIFF, orientation5") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_5.tiff";
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QTest::newRow("Indexed TIFF, orientation6") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_6.tiff";
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QTest::newRow("Indexed TIFF, orientation7") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_7.tiff";
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QTest::newRow("Indexed TIFF, orientation8") << "tiff_oriented/original_indexed.tiff" << "tiff_oriented/indexed_orientation_8.tiff";
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QTest::newRow("Mono TIFF, orientation1") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_1.tiff";
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QTest::newRow("Mono TIFF, orientation2") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_2.tiff";
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QTest::newRow("Mono TIFF, orientation3") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_3.tiff";
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QTest::newRow("Mono TIFF, orientation4") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_4.tiff";
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QTest::newRow("Mono TIFF, orientation5") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_5.tiff";
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QTest::newRow("Mono TIFF, orientation6") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_6.tiff";
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QTest::newRow("Mono TIFF, orientation7") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_7.tiff";
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QTest::newRow("Mono TIFF, orientation8") << "tiff_oriented/original_mono.tiff" << "tiff_oriented/mono_orientation_8.tiff";
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QTest::newRow("RGB TIFF, orientation1") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_1.tiff";
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QTest::newRow("RGB TIFF, orientation2") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_2.tiff";
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QTest::newRow("RGB TIFF, orientation3") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_3.tiff";
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QTest::newRow("RGB TIFF, orientation4") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_4.tiff";
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QTest::newRow("RGB TIFF, orientation5") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_5.tiff";
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QTest::newRow("RGB TIFF, orientation6") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_6.tiff";
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QTest::newRow("RGB TIFF, orientation7") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_7.tiff";
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QTest::newRow("RGB TIFF, orientation8") << "tiff_oriented/original_rgb.tiff" << "tiff_oriented/rgb_orientation_8.tiff";
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}
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void tst_qtiff::tiffOrientation()
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{
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QFETCH(QString, expected);
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QFETCH(QString, oriented);
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QImage expectedImage(prefix + expected);
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QImage orientedImage(prefix + oriented);
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QCOMPARE(expectedImage, orientedImage);
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}
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void tst_qtiff::tiffGrayscale()
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{
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QImage actualImage(prefix + "grayscale.tif");
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QImage expectedImage(prefix + "grayscale-ref.tif");
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QCOMPARE(expectedImage, actualImage.convertToFormat(expectedImage.format()));
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}
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void tst_qtiff::dotsPerMeter_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<int>("expectedDotsPerMeterX");
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QTest::addColumn<int>("expectedDotsPerMeterY");
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QTest::newRow("TIFF: 72 dpi") << ("rgba_nocompression_littleendian.tif") << qRound(72 * (100 / 2.54)) << qRound(72 * (100 / 2.54));
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QTest::newRow("TIFF: 100 dpi") << ("image_100dpi.tif") << qRound(100 * (100 / 2.54)) << qRound(100 * (100 / 2.54));
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}
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void tst_qtiff::dotsPerMeter()
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{
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QFETCH(QString, fileName);
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QFETCH(int, expectedDotsPerMeterX);
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QFETCH(int, expectedDotsPerMeterY);
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QImage image(prefix + fileName);
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QCOMPARE(image.dotsPerMeterX(), expectedDotsPerMeterX);
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QCOMPARE(image.dotsPerMeterY(), expectedDotsPerMeterY);
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}
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void tst_qtiff::physicalDpi_data()
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{
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QTest::addColumn<QString>("fileName");
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QTest::addColumn<int>("expectedPhysicalDpiX");
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QTest::addColumn<int>("expectedPhysicalDpiY");
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QTest::newRow("TIFF: 72 dpi") << "rgba_nocompression_littleendian.tif" << 72 << 72;
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QTest::newRow("TIFF: 100 dpi") << "image_100dpi.tif" << 100 << 100;
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}
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void tst_qtiff::physicalDpi()
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{
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QFETCH(QString, fileName);
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QFETCH(int, expectedPhysicalDpiX);
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QFETCH(int, expectedPhysicalDpiY);
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QImage image(prefix + fileName);
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QCOMPARE(image.physicalDpiX(), expectedPhysicalDpiX);
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QCOMPARE(image.physicalDpiY(), expectedPhysicalDpiY);
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}
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void tst_qtiff::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("TIFF: teapot") << QString("teapot.tiff") << false << QByteArray("tiff");
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}
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void tst_qtiff::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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QByteArray output;
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{
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QBuffer buf(&output);
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QVERIFY(buf.open(QIODevice::WriteOnly));
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QImageWriter writer(&buf, format);
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QVERIFY(writer.write(image));
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}
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QImage image2;
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{
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QBuffer buf(&output);
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QVERIFY(buf.open(QIODevice::ReadOnly));
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QImageReader reader(&buf);
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image2 = reader.read();
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QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
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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_qtiff::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_qtiff::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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QVERIFY(!image.isNull());
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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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QByteArray output;
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QBuffer buf(&output);
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QVERIFY(buf.open(QIODevice::WriteOnly));
|
|
QVERIFY(image.save(&buf, "tiff"));
|
|
buf.close();
|
|
|
|
QVERIFY(buf.open(QIODevice::ReadOnly));
|
|
QImageReader reader(&buf);
|
|
QImage image2 = reader.read();
|
|
QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
|
|
|
|
QImage::Format readFormat = image2.format();
|
|
QCOMPARE(readFormat, expectedFormat);
|
|
QCOMPARE(image, image2);
|
|
}
|
|
|
|
void tst_qtiff::largeTiff()
|
|
{
|
|
#if defined(Q_OS_WINCE)
|
|
QSKIP("not tested on WinCE");
|
|
#endif
|
|
|
|
QImage img(4096, 2048, QImage::Format_ARGB32);
|
|
|
|
QPainter p(&img);
|
|
img.fill(0x0);
|
|
p.fillRect(0, 0, 4096, 2048, QBrush(Qt::CrossPattern));
|
|
p.end();
|
|
|
|
QByteArray array;
|
|
QBuffer writeBuffer(&array);
|
|
writeBuffer.open(QIODevice::WriteOnly);
|
|
|
|
QImageWriter writer(&writeBuffer, "tiff");
|
|
QVERIFY(writer.write(img));
|
|
|
|
writeBuffer.close();
|
|
|
|
QBuffer readBuffer(&array);
|
|
readBuffer.open(QIODevice::ReadOnly);
|
|
|
|
QImageReader reader(&readBuffer, "tiff");
|
|
|
|
QImage img2 = reader.read();
|
|
QVERIFY(!img2.isNull());
|
|
|
|
QCOMPARE(img, img2);
|
|
}
|
|
|
|
void tst_qtiff::supportsOption_data()
|
|
{
|
|
QTest::addColumn<QIntList>("options");
|
|
|
|
QTest::newRow("tiff") << (QIntList() << QImageIOHandler::Size
|
|
<< QImageIOHandler::CompressionRatio);
|
|
}
|
|
|
|
void tst_qtiff::supportsOption()
|
|
{
|
|
QFETCH(QIntList, options);
|
|
|
|
QSet<QImageIOHandler::ImageOption> allOptions;
|
|
allOptions << QImageIOHandler::Size
|
|
<< QImageIOHandler::ClipRect
|
|
<< QImageIOHandler::Description
|
|
<< QImageIOHandler::ScaledClipRect
|
|
<< QImageIOHandler::ScaledSize
|
|
<< QImageIOHandler::CompressionRatio
|
|
<< QImageIOHandler::Gamma
|
|
<< QImageIOHandler::Quality
|
|
<< QImageIOHandler::Name
|
|
<< QImageIOHandler::SubType
|
|
<< QImageIOHandler::IncrementalReading
|
|
<< QImageIOHandler::Endianness
|
|
<< QImageIOHandler::Animation
|
|
<< QImageIOHandler::BackgroundColor;
|
|
|
|
QImageWriter writer;
|
|
writer.setFormat("tiff");
|
|
for (int i = 0; i < options.size(); ++i) {
|
|
QVERIFY(writer.supportsOption(QImageIOHandler::ImageOption(options.at(i))));
|
|
allOptions.remove(QImageIOHandler::ImageOption(options.at(i)));
|
|
}
|
|
|
|
foreach (QImageIOHandler::ImageOption option, allOptions)
|
|
QVERIFY(!writer.supportsOption(option));
|
|
}
|
|
|
|
void tst_qtiff::resolution_data()
|
|
{
|
|
QTest::addColumn<QString>("filename");
|
|
QTest::addColumn<int>("expectedDotsPerMeterX");
|
|
QTest::addColumn<int>("expectedDotsPerMeterY");
|
|
|
|
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;
|
|
}
|
|
|
|
void tst_qtiff::resolution()
|
|
{
|
|
QFETCH(QString, filename);
|
|
QFETCH(int, expectedDotsPerMeterX);
|
|
QFETCH(int, expectedDotsPerMeterY);
|
|
|
|
QImage image(prefix + QLatin1String("colorful.bmp"));
|
|
image.setDotsPerMeterX(expectedDotsPerMeterX);
|
|
image.setDotsPerMeterY(expectedDotsPerMeterY);
|
|
|
|
QByteArray output;
|
|
{
|
|
QBuffer buf(&output);
|
|
QVERIFY(buf.open(QIODevice::WriteOnly));
|
|
QImageWriter writer(&buf, "tiff");
|
|
QVERIFY(writer.write(image));
|
|
}
|
|
QBuffer buf(&output);
|
|
QVERIFY(buf.open(QIODevice::ReadOnly));
|
|
QImageReader reader(&buf);
|
|
const QImage generatedImage = reader.read();
|
|
QVERIFY(!generatedImage.isNull());
|
|
|
|
QCOMPARE(expectedDotsPerMeterX, generatedImage.dotsPerMeterX());
|
|
QCOMPARE(expectedDotsPerMeterY, generatedImage.dotsPerMeterY());
|
|
}
|
|
|
|
QTEST_MAIN(tst_qtiff)
|
|
#include "tst_qtiff.moc"
|