9f86923b5c
Both tst_qimagereader.cpp and tst_qimagewriter.cpp do not depend on QtWidgets. Change-Id: I7e8b31c23db203c44ccb4cd4e8e747d18c5d7ed7 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
531 lines
16 KiB
C++
531 lines
16 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** GNU Lesser General Public License Usage
|
|
** This file may be used under the terms of the GNU Lesser General Public
|
|
** License version 2.1 as published by the Free Software Foundation and
|
|
** appearing in the file LICENSE.LGPL included in the packaging of this
|
|
** file. Please review the following information to ensure the GNU Lesser
|
|
** General Public License version 2.1 requirements will be met:
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Nokia gives you certain additional
|
|
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU General
|
|
** Public License version 3.0 as published by the Free Software Foundation
|
|
** and appearing in the file LICENSE.GPL included in the packaging of this
|
|
** file. Please review the following information to ensure the GNU General
|
|
** Public License version 3.0 requirements will be met:
|
|
** http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** Other Usage
|
|
** Alternatively, this file may be used in accordance with the terms and
|
|
** conditions contained in a signed written agreement between you and Nokia.
|
|
**
|
|
**
|
|
**
|
|
**
|
|
**
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
|
|
#include <QtTest/QtTest>
|
|
|
|
|
|
#include <QDebug>
|
|
#include <QFile>
|
|
#include <QImage>
|
|
#include <QImageReader>
|
|
#include <QImageWriter>
|
|
#include <QPainter>
|
|
#include <QSet>
|
|
|
|
#ifdef Q_OS_UNIX // for geteuid()
|
|
# include <sys/types.h>
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
typedef QMap<QString, QString> QStringMap;
|
|
typedef QList<int> QIntList;
|
|
Q_DECLARE_METATYPE(QImage)
|
|
Q_DECLARE_METATYPE(QStringMap)
|
|
Q_DECLARE_METATYPE(QIntList)
|
|
Q_DECLARE_METATYPE(QImageWriter::ImageWriterError)
|
|
Q_DECLARE_METATYPE(QIODevice *)
|
|
Q_DECLARE_METATYPE(QImage::Format)
|
|
|
|
class tst_QImageWriter : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
tst_QImageWriter();
|
|
virtual ~tst_QImageWriter();
|
|
|
|
public slots:
|
|
void init();
|
|
void initTestCase();
|
|
void cleanup();
|
|
|
|
private slots:
|
|
void getSetCheck();
|
|
void writeImage_data();
|
|
void writeImage();
|
|
void writeImage2_data();
|
|
void writeImage2();
|
|
void supportedFormats();
|
|
|
|
void writeToInvalidDevice();
|
|
|
|
void supportsOption_data();
|
|
void supportsOption();
|
|
|
|
void saveWithNoFormat_data();
|
|
void saveWithNoFormat();
|
|
|
|
void saveToTemporaryFile();
|
|
private:
|
|
QString prefix;
|
|
};
|
|
|
|
// helper to skip an autotest when the given image format is not supported
|
|
#define SKIP_IF_UNSUPPORTED(format) do { \
|
|
if (!QByteArray(format).isEmpty() && !QImageReader::supportedImageFormats().contains(format)) \
|
|
QSKIP("\"" + QByteArray(format) + "\" images are not supported"); \
|
|
} while (0)
|
|
|
|
static void initializePadding(QImage *image)
|
|
{
|
|
int effectiveBytesPerLine = (image->width() * image->depth() + 7) / 8;
|
|
int paddingBytes = image->bytesPerLine() - effectiveBytesPerLine;
|
|
if (paddingBytes == 0)
|
|
return;
|
|
for (int y = 0; y < image->height(); ++y) {
|
|
qMemSet(image->scanLine(y) + effectiveBytesPerLine, 0, paddingBytes);
|
|
}
|
|
}
|
|
|
|
void tst_QImageWriter::initTestCase()
|
|
{
|
|
prefix = QFINDTESTDATA("images/");
|
|
if (prefix.isEmpty())
|
|
QFAIL("Can't find images directory!");
|
|
}
|
|
|
|
// Testing get/set functions
|
|
void tst_QImageWriter::getSetCheck()
|
|
{
|
|
QImageWriter obj1;
|
|
// QIODevice * QImageWriter::device()
|
|
// void QImageWriter::setDevice(QIODevice *)
|
|
QFile *var1 = new QFile;
|
|
obj1.setDevice(var1);
|
|
|
|
QCOMPARE((QIODevice *) var1, obj1.device());
|
|
// The class should possibly handle a 0-pointer as a device, since
|
|
// there is a default contructor, so it's "handling" a 0 device by default.
|
|
// For example: QMovie::setDevice(0) works just fine
|
|
obj1.setDevice((QIODevice *)0);
|
|
QCOMPARE((QIODevice *) 0, obj1.device());
|
|
delete var1;
|
|
|
|
// int QImageWriter::quality()
|
|
// void QImageWriter::setQuality(int)
|
|
obj1.setQuality(0);
|
|
QCOMPARE(0, obj1.quality());
|
|
obj1.setQuality(INT_MIN);
|
|
QCOMPARE(INT_MIN, obj1.quality());
|
|
obj1.setQuality(INT_MAX);
|
|
QCOMPARE(INT_MAX, obj1.quality());
|
|
|
|
// int QImageWriter::compression()
|
|
// void QImageWriter::setCompression(int)
|
|
obj1.setCompression(0);
|
|
QCOMPARE(0, obj1.compression());
|
|
obj1.setCompression(INT_MIN);
|
|
QCOMPARE(INT_MIN, obj1.compression());
|
|
obj1.setCompression(INT_MAX);
|
|
QCOMPARE(INT_MAX, obj1.compression());
|
|
|
|
// float QImageWriter::gamma()
|
|
// void QImageWriter::setGamma(float)
|
|
obj1.setGamma(0.0f);
|
|
QCOMPARE(0.0f, obj1.gamma());
|
|
obj1.setGamma(1.1f);
|
|
QCOMPARE(1.1f, obj1.gamma());
|
|
}
|
|
|
|
tst_QImageWriter::tst_QImageWriter()
|
|
{
|
|
}
|
|
|
|
tst_QImageWriter::~tst_QImageWriter()
|
|
{
|
|
QDir dir(prefix);
|
|
QStringList filesToDelete = dir.entryList(QStringList() << "gen-*" , QDir::NoDotAndDotDot | QDir::Files);
|
|
foreach( QString file, filesToDelete) {
|
|
QFile::remove(dir.absoluteFilePath(file));
|
|
}
|
|
|
|
}
|
|
|
|
void tst_QImageWriter::init()
|
|
{
|
|
}
|
|
|
|
void tst_QImageWriter::cleanup()
|
|
{
|
|
}
|
|
|
|
void tst_QImageWriter::writeImage_data()
|
|
{
|
|
QTest::addColumn<QString>("fileName");
|
|
QTest::addColumn<bool>("lossy");
|
|
QTest::addColumn<QByteArray>("format");
|
|
|
|
QTest::newRow("BMP: colorful") << QString("colorful.bmp") << false << QByteArray("bmp");
|
|
QTest::newRow("BMP: font") << QString("font.bmp") << false << QByteArray("bmp");
|
|
QTest::newRow("XPM: marble") << QString("marble.xpm") << false << QByteArray("xpm");
|
|
QTest::newRow("PNG: kollada") << QString("kollada.png") << false << QByteArray("png");
|
|
QTest::newRow("PPM: teapot") << QString("teapot.ppm") << false << QByteArray("ppm");
|
|
QTest::newRow("PBM: ship63") << QString("ship63.pbm") << true << QByteArray("pbm");
|
|
QTest::newRow("XBM: gnus") << QString("gnus.xbm") << false << QByteArray("xbm");
|
|
QTest::newRow("JPEG: beavis") << QString("beavis.jpg") << true << QByteArray("jpeg");
|
|
}
|
|
|
|
void tst_QImageWriter::writeImage()
|
|
{
|
|
QFETCH(QString, fileName);
|
|
QFETCH(bool, lossy);
|
|
QFETCH(QByteArray, format);
|
|
|
|
SKIP_IF_UNSUPPORTED(format);
|
|
|
|
QImage image;
|
|
{
|
|
QImageReader reader(prefix + fileName);
|
|
image = reader.read();
|
|
QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
|
|
}
|
|
{
|
|
QImageWriter writer(prefix + "gen-" + fileName, format);
|
|
QVERIFY(writer.write(image));
|
|
}
|
|
|
|
{
|
|
bool skip = false;
|
|
#if defined(Q_OS_UNIX)
|
|
if (::geteuid() == 0)
|
|
skip = true;
|
|
#endif
|
|
if (!skip) {
|
|
// Shouldn't be able to write to read-only file
|
|
QFile sourceFile(prefix + "gen-" + fileName);
|
|
QFile::Permissions permissions = sourceFile.permissions();
|
|
QVERIFY(sourceFile.setPermissions(QFile::ReadOwner | QFile::ReadUser | QFile::ReadGroup | QFile::ReadOther));
|
|
|
|
QImageWriter writer(prefix + "gen-" + fileName, format);
|
|
QVERIFY(!writer.write(image));
|
|
|
|
QVERIFY(sourceFile.setPermissions(permissions));
|
|
}
|
|
}
|
|
|
|
QImage image2;
|
|
{
|
|
QImageReader reader(prefix + "gen-" + fileName);
|
|
image2 = reader.read();
|
|
QVERIFY(!image2.isNull());
|
|
}
|
|
if (!lossy) {
|
|
QCOMPARE(image, image2);
|
|
} else {
|
|
QCOMPARE(image.format(), image2.format());
|
|
QCOMPARE(image.depth(), image2.depth());
|
|
}
|
|
}
|
|
|
|
void tst_QImageWriter::writeImage2_data()
|
|
{
|
|
QTest::addColumn<QString>("fileName");
|
|
QTest::addColumn<QByteArray>("format");
|
|
QTest::addColumn<QImage>("image");
|
|
|
|
const QStringList formats = QStringList() << "bmp" << "xpm" << "png"
|
|
<< "ppm"; //<< "jpeg";
|
|
QImage image0(70, 70, QImage::Format_ARGB32);
|
|
image0.fill(QColor(Qt::red).rgb());
|
|
|
|
QImage::Format imgFormat = QImage::Format_Mono;
|
|
while (imgFormat != QImage::NImageFormats) {
|
|
QImage image = image0.convertToFormat(imgFormat);
|
|
initializePadding(&image);
|
|
foreach (const QString format, formats) {
|
|
const QString fileName = QString("solidcolor_%1.%2").arg(imgFormat)
|
|
.arg(format);
|
|
QTest::newRow(fileName.toLatin1()) << fileName
|
|
<< format.toLatin1()
|
|
<< image;
|
|
}
|
|
imgFormat = QImage::Format(int(imgFormat) + 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Workaround for the equality operator for indexed formats
|
|
(which fails if the colortables are different).
|
|
|
|
Images must have the same format and size.
|
|
*/
|
|
static bool equalImageContents(const QImage &image1, const QImage &image2)
|
|
{
|
|
switch (image1.format()) {
|
|
case QImage::Format_Mono:
|
|
case QImage::Format_Indexed8:
|
|
for (int y = 0; y < image1.height(); ++y)
|
|
for (int x = 0; x < image1.width(); ++x)
|
|
if (image1.pixel(x, y) != image2.pixel(x, y))
|
|
return false;
|
|
return true;
|
|
default:
|
|
return (image1 == image2);
|
|
}
|
|
}
|
|
|
|
void tst_QImageWriter::writeImage2()
|
|
{
|
|
QFETCH(QString, fileName);
|
|
QFETCH(QByteArray, format);
|
|
QFETCH(QImage, image);
|
|
|
|
//we reduce the scope of writer so that it closes the associated file
|
|
// and QFile::remove can actually work
|
|
{
|
|
QImageWriter writer(fileName, format);
|
|
QVERIFY(writer.write(image));
|
|
}
|
|
|
|
QImage written;
|
|
|
|
//we reduce the scope of reader so that it closes the associated file
|
|
// and QFile::remove can actually work
|
|
{
|
|
QImageReader reader(fileName, format);
|
|
QVERIFY(reader.read(&written));
|
|
}
|
|
|
|
written = written.convertToFormat(image.format());
|
|
if (!equalImageContents(written, image)) {
|
|
qDebug() << "image" << image.format() << image.width()
|
|
<< image.height() << image.depth()
|
|
<< hex << image.pixel(0, 0);
|
|
qDebug() << "written" << written.format() << written.width()
|
|
<< written.height() << written.depth()
|
|
<< hex << written.pixel(0, 0);
|
|
}
|
|
QVERIFY(equalImageContents(written, image));
|
|
|
|
QVERIFY(QFile::remove(fileName));
|
|
}
|
|
|
|
void tst_QImageWriter::supportedFormats()
|
|
{
|
|
QList<QByteArray> formats = QImageWriter::supportedImageFormats();
|
|
QList<QByteArray> sortedFormats = formats;
|
|
qSort(sortedFormats);
|
|
|
|
// check that the list is sorted
|
|
QCOMPARE(formats, sortedFormats);
|
|
|
|
QSet<QByteArray> formatSet;
|
|
foreach (QByteArray format, formats)
|
|
formatSet << format;
|
|
|
|
// check that the list does not contain duplicates
|
|
QCOMPARE(formatSet.size(), formats.size());
|
|
}
|
|
|
|
void tst_QImageWriter::writeToInvalidDevice()
|
|
{
|
|
QLatin1String fileName("/these/directories/do/not/exist/001.png");
|
|
{
|
|
QImageWriter writer(fileName);
|
|
QVERIFY(!writer.canWrite());
|
|
QCOMPARE(writer.error(), QImageWriter::DeviceError);
|
|
}
|
|
{
|
|
QImageWriter writer(fileName);
|
|
writer.setFormat("png");
|
|
QVERIFY(!writer.canWrite());
|
|
QCOMPARE(writer.error(), QImageWriter::DeviceError);
|
|
}
|
|
{
|
|
QImageWriter writer(fileName);
|
|
QImage im(10, 10, QImage::Format_ARGB32);
|
|
QVERIFY(!writer.write(im));
|
|
QCOMPARE(writer.error(), QImageWriter::DeviceError);
|
|
}
|
|
{
|
|
QImageWriter writer(fileName);
|
|
writer.setFormat("png");
|
|
QImage im(10, 10, QImage::Format_ARGB32);
|
|
QVERIFY(!writer.write(im));
|
|
QCOMPARE(writer.error(), QImageWriter::DeviceError);
|
|
}
|
|
}
|
|
|
|
void tst_QImageWriter::supportsOption_data()
|
|
{
|
|
QTest::addColumn<QString>("fileName");
|
|
QTest::addColumn<QIntList>("options");
|
|
|
|
QTest::newRow("png") << QString("gen-black.png")
|
|
<< (QIntList() << QImageIOHandler::Gamma
|
|
<< QImageIOHandler::Description
|
|
<< QImageIOHandler::Quality
|
|
<< QImageIOHandler::Size);
|
|
}
|
|
|
|
void tst_QImageWriter::supportsOption()
|
|
{
|
|
SKIP_IF_UNSUPPORTED(QTest::currentDataTag());
|
|
|
|
QFETCH(QString, fileName);
|
|
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(prefix + fileName);
|
|
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_QImageWriter::saveWithNoFormat_data()
|
|
{
|
|
QTest::addColumn<QString>("fileName");
|
|
QTest::addColumn<QByteArray>("format");
|
|
QTest::addColumn<QImageWriter::ImageWriterError>("error");
|
|
|
|
QTest::newRow("garble") << prefix + QString("gen-out.garble") << QByteArray("jpeg") << QImageWriter::UnsupportedFormatError;
|
|
QTest::newRow("bmp") << prefix + QString("gen-out.bmp") << QByteArray("bmp") << QImageWriter::ImageWriterError(0);
|
|
QTest::newRow("xbm") << prefix + QString("gen-out.xbm") << QByteArray("xbm") << QImageWriter::ImageWriterError(0);
|
|
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);
|
|
}
|
|
|
|
void tst_QImageWriter::saveWithNoFormat()
|
|
{
|
|
QFETCH(QString, fileName);
|
|
QFETCH(QByteArray, format);
|
|
QFETCH(QImageWriter::ImageWriterError, error);
|
|
|
|
SKIP_IF_UNSUPPORTED(format);
|
|
|
|
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::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"
|