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Diffstat (limited to 'tests/auto/uiloader/uiloader/uiloader.cpp')
| -rw-r--r-- | tests/auto/uiloader/uiloader/uiloader.cpp | 814 |
1 files changed, 0 insertions, 814 deletions
diff --git a/tests/auto/uiloader/uiloader/uiloader.cpp b/tests/auto/uiloader/uiloader/uiloader.cpp deleted file mode 100644 index 9246c30d80..0000000000 --- a/tests/auto/uiloader/uiloader/uiloader.cpp +++ /dev/null @@ -1,814 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** 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 "uiloader.h" - -#include <QtCore/QDir> -#include <QtCore/QProcess> -#include <QtCore/QSettings> -#include <QtCore/QCoreApplication> - -#include <QtTest/QSignalSpy> -#include <QTest> - -#include <QString> -#include <QHash> -#include <QFile> -#include <QFtp> -#include <QObject> -#include <QHostInfo> -#include <QWidget> -#include <QImage> - -#include <QLibraryInfo> - - -/* - * Our own QVERIFY since the one from QTest can't be used in non-void functions. - * Just pass the desired return value as third argument. - */ - -#define QVERIFY3(statement, description, returnValue) \ -do {\ - if (statement) {\ - if (!QTest::qVerify(true, #statement, (description), __FILE__, __LINE__))\ - return returnValue;\ - } else {\ - if (!QTest::qVerify(false, #statement, (description), __FILE__, __LINE__))\ - return returnValue;\ - }\ -} while (0) - - - -uiLoader::uiLoader(const QString &_pathToProgram) - : pathToProgram(_pathToProgram) -{ - // initTests(); -} - - - - -/* - * Load the configuration file for your machine. - * Return true if everything was loaded, else false. - * - * If the hostname is 'kayak', the config file should be 'kayak.ini': - * - * [General] - * ftpBaseDir=/arthurtest - * ftpHost=wartburg - * ftpPass=anonymouspass - * ftpUser=anonymous - * output=testresults - * - * [engines] - * 1\engine=uic - * size=1 - */ - -bool uiLoader::loadConfig(const QString &filePath, QString *errorMessage) -{ - qDebug() << " ========== Loading config file " << filePath; - configPath = filePath; - - // If there is no config file, dont proceed; - QSettings settings( filePath, QSettings::IniFormat, this ); - - // all keys available? - QStringList keyList; - keyList << QLatin1String("output") << QLatin1String("ftpUser") << QLatin1String("ftpPass") << QLatin1String("ftpHost") << QLatin1String("ftpBaseDir"); - for (int i = 0; i < keyList.size(); ++i) { - const QString currentKey = keyList.at(i); - if (!settings.contains(currentKey)) { - *errorMessage = QString::fromLatin1("Config file '%1' does not contain the required key '%2'.").arg(filePath, currentKey); - return false; - } - - qDebug() << "\t\t(I)" << currentKey << "\t" << settings.value(currentKey).toString(); - } - - const int size = settings.beginReadArray(QLatin1String("engines")); - if (!size) { - *errorMessage = QString::fromLatin1("Config file '%1' does not contain the necessary section engines.").arg(filePath); - return false; - } - - // get the values - for ( int i = 0; i < size; ++i ) { - settings.setArrayIndex(i); - qDebug() << "\t\t(I)" << "engine" << "\t" << settings.value( "engine" ).toString(); - enginesToTest.insert(settings.value(QLatin1String("engine")).toString(), QLatin1String("Info here please :p")); - } - settings.endArray(); - - output = settings.value(QLatin1String("output")).toString(); - output += QDir::separator() + QLibraryInfo::buildKey() + QDir::separator() + QString( qVersion() ); - ftpUser = settings.value( QLatin1String("ftpUser") ).toString(); - ftpPass = settings.value( QLatin1String("ftpPass") ).toString(); - ftpHost = settings.value( QLatin1String("ftpHost") ).toString(); - ftpBaseDir = settings.value( QLatin1String("ftpBaseDir") ).toString() + QDir::separator() + QHostInfo::localHostName().split( QLatin1Char('.')).first(); - threshold = settings.value( QLatin1String("threshold") ).toString(); - - qDebug() << "\t(I) Values adapted:"; - qDebug() << "\t\t(I)" << "ftpBaseDir" << "\t" << ftpBaseDir; - qDebug() << "\t\t(I)" << "output" << "\t" << output; - - return true; -} - -/* - * Upload testresults to the server in order to create the new baseline. - */ - -void uiLoader::createBaseline() -{ - // can't use ftpUploadFile() here - qDebug() << " ========== Uploading baseline of only the latest test values "; - - QFtp ftp; - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - ftp.cd( ftpBaseDir ); - - QDir dir( output ); - - // Upload all the latest test results to the FTP server's baseline directory. - QHashIterator<QString, QString> i(enginesToTest); - while ( i.hasNext() ) { - i.next(); - - dir.cd( i.key() ); - ftp.cd( i.key() + ".baseline" ); - - dir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks); - dir.setNameFilters( QStringList() << "*.png" ); - QFileInfoList list = dir.entryInfoList(); - - dir.cd( ".." ); - - for (int n = 0; n < list.size(); n++) { - QFileInfo fileInfo = list.at( n ); - QFile file( QString( output ) + "/" + i.key() + "/" + fileInfo.fileName() ); - - errorMsg = "could not open file " + fileInfo.fileName(); - QVERIFY2( file.open(QIODevice::ReadOnly), qPrintable(errorMsg)); - - QByteArray fileData = file.readAll(); - file.close(); - - ftp.put( fileData, fileInfo.fileName(), QFtp::Binary ); - qDebug() << "\t(I) Uploading:" << fileInfo.fileName() << "with file size" << fileData.size(); - } - - ftp.cd( ".." ); - } - - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); -} - - - -/* - * Download baseline from server in order to compare results. - */ - -void uiLoader::downloadBaseline() -{ - qDebug() << " ========== Downloading baseline..."; - - QHashIterator<QString, QString> i(enginesToTest); - while ( i.hasNext() ) { - i.next(); - QString engineName = i.key(); - - QString dirWithFiles = ftpBaseDir + '/' + engineName + ".baseline"; - QString ftpDir = ftpBaseDir + '/' + engineName + ".baseline"; - QString saveToDir = QDir::currentPath() + '/' + output + '/' + engineName + ".baseline"; - - ftpList(dirWithFiles); - - QList<QString> filesToDownload(lsDirList); - ftpGetFiles(filesToDownload, ftpDir, saveToDir); - } -} - - - -/* - * Enter the dir pathDir local and remove all files (not recursive!) - */ - -void uiLoader::clearDirectory(const QString& pathDir) -{ - qDebug() << "\t(I) Clearing directory local: " << pathDir; - - QDir dir(pathDir); - dir.setFilter(QDir::Files); - QStringList list = dir.entryList(); - - for (int n = 0; n < list.size(); n++) { - QString filePath = pathDir + "/" + list.at(n); - QFile file(filePath); - - errorMsg = "could not remove file " + filePath; - QVERIFY2( file.remove(), qPrintable(errorMsg)); - } - -} - - - -/* - * Setup the local environment. - */ - -void uiLoader::setupLocal() -{ - qDebug( " ========== Setting up local environment" ); - - QDir dir; - - errorMsg = "could not create path " + output; - QVERIFY2( dir.mkpath(output), qPrintable(errorMsg) ); - - QHashIterator<QString, QString> j(enginesToTest); - while ( j.hasNext() ) { - j.next(); - - QString engineName = j.key(); - QString engineDir = output + '/' + engineName; - - // create <engine> or clean it - QString tmpPath = output + '/' + engineName; - if ( dir.exists(tmpPath) ) { - clearDirectory(tmpPath); - } else { - dir.mkdir(tmpPath); - } - - // create *.baseline or clean it - tmpPath = output + '/' + engineName + ".baseline"; - if ( dir.exists(tmpPath) ) { - clearDirectory(tmpPath); - } else { - dir.mkdir(tmpPath); - } - - // create *.diff or clean it - tmpPath = output + '/' + engineName + ".diff"; - if ( dir.exists(tmpPath) ) { - clearDirectory(tmpPath); - } else { - dir.mkdir(tmpPath); - } - - // create *.failed or clean it - tmpPath = output + '/' + engineName + ".failed"; - if ( dir.exists(tmpPath) ) { - clearDirectory(tmpPath); - } else { - dir.mkdir(tmpPath); - } - } - - qDebug() << "\t(I) Created on local machine:" << output; -} - - - -/* - * Setup the remote environment. - */ - -void uiLoader::setupFTP() -{ - qDebug( " ========== Setting up FTP environment" ); - - // create dirs on ftp server - ftpMkDir( ftpBaseDir ); - ftpBaseDir += "/" + QLibraryInfo::buildKey(); - ftpMkDir( ftpBaseDir ); - ftpBaseDir += "/" + QString( qVersion() ); - ftpMkDir( ftpBaseDir ); - - QString dir = ""; - ftpList(ftpBaseDir + '/' + dir); - QList<QString> dirListing(lsDirList); - - // create *.failed, *.diff if necessary, else remove the files in it - // if *.baseline does not exist, memorize it - QHashIterator<QString, QString> j(enginesToTest); - while ( j.hasNext() ) { - j.next(); - - QString curDir = QString( j.key() ) + ".failed"; - if ( dirListing.contains( curDir ) ) { - ftpClearDirectory(ftpBaseDir + "/" + curDir + "/"); - } else { - ftpMkDir(ftpBaseDir + "/" + curDir + "/"); - } - - curDir = QString( j.key() ) + ".diff"; - if ( dirListing.contains( curDir ) ) { - ftpClearDirectory(ftpBaseDir + "/" + curDir + "/"); - } else { - ftpMkDir(ftpBaseDir + "/" + curDir + "/"); - } - - curDir = QString( j.key() ) + ".baseline"; - lsNeedBaseline.clear(); - if ( !dirListing.contains( curDir ) ) { - ftpMkDir(ftpBaseDir + "/" + curDir + "/"); - lsNeedBaseline << j.key(); - } else { - qDebug() << "\t(I)" << curDir << "exists on server."; - } - } -} - - - -/* - * Download files listed in fileLisiting from dir pathRemoteDir on sever and save - * them in pathSaveDir. - */ - -void uiLoader::ftpGetFiles(QList<QString>& fileListing, const QString& pathRemoteDir, const QString& pathSaveDir) -{ - QFtp ftp; - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - - if ( !fileListing.empty() ) { - for ( int i = 0; i < fileListing.size(); ++i ) { - QFile file( pathSaveDir + "/" + fileListing.at(i) ); - - errorMsg = "could not open file for writing: " + file.fileName(); - QVERIFY2( file.open(QIODevice::WriteOnly), qPrintable(errorMsg) ); - - QString ftpFileName = pathRemoteDir + '/' + fileListing.at(i); - ftp.get( ftpFileName, &file ); - //qDebug() << "\t(I) Got" << file.fileName(); - ftp.list(); //Only there to fill up a slot in the pendingCommands queue. - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); - - file.close(); - } - } - - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); - - fileListing.clear(); -} - - - -/* - * Upload the file filePath to the server and save it there at filePathRemote. - * - * HINT: It seems you can't use this function in a loop, to many connections - * are established?! - */ - -bool uiLoader::ftpUploadFile(const QString& filePathRemote, const QString& filePath) -{ - QFile file(filePath); - - errorMsg = "could not open file: " + filePath; - QVERIFY3( file.open(QIODevice::ReadOnly), qPrintable(errorMsg), false ); - - QByteArray contents = file.readAll(); - file.close(); - - qDebug() << "\t(I) Uploading file to" << filePathRemote; - - QFtp ftp; - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - - ftp.put( contents, filePathRemote, QFtp::Binary ); - - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); - - return true; -} - - - -/* - * Enter the dir dir on the server and remove all files (not recursive!) - */ - -void uiLoader::ftpClearDirectory(const QString& pathDir) -{ - qDebug() << "\t(I) Clearing directory remote: " << pathDir; - - ftpList(pathDir); - QList<QString> dirListing(lsDirList); - - QFtp ftp; - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - - for (int i = 0; i < dirListing.size(); ++i) { - QString file = dirListing.at(i); - qDebug() << "\t(I) Removing" << pathDir + file; - ftp.remove(pathDir + file); - } - - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); -} - - - -/* - * Get a directory listing from the server in the dir dir. - * You can access it via lsDirList. - */ - -void uiLoader::ftpList(const QString & dir) { - qDebug() << "\t(I) Getting list of files in dir" << dir; - - lsDirList.clear(); - - QFtp ftp; - QObject::connect( &ftp, SIGNAL( listInfo( const QUrlInfo & ) ), this, SLOT( ftpAddLsEntry(const QUrlInfo & ) ) ); - //QObject::connect( &ftp, SIGNAL( done( bool ) ), this, SLOT( ftpAddLsDone( bool ) ) ); - - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - - ftp.list( dir ); - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); -} - - - -/* - * Creates a dir on the ftp server. - * - * Hint: If the ftp.mkdir() fails we just assume the dir already exist. - */ - -void uiLoader::ftpMkDir( QString pathDir ) -{ - QFtp ftp; - - QSignalSpy commandSpy(&ftp, SIGNAL(commandFinished(int, bool))); - - ftp.connectToHost( ftpHost ); - ftp.login( ftpUser, ftpPass ); - const int command = ftp.mkdir( pathDir ); - ftp.close(); - - while ( ftp.hasPendingCommands() ) - QCoreApplication::instance()->processEvents(); - - // check wheter there was an error or not - for (int i = 0; i < commandSpy.count(); ++i) { - if (commandSpy.at(i).at(0) == command) { - if ( !commandSpy.at(i).at(1).toBool() ) { - qDebug() << "\t(I) Created at remote machine:" << pathDir; - } else { - qDebug() << "\t(I) Could not create on remote machine - probably the dir exists"; - } - } - } -} - - - -/* - * Just a slot, needed for ftpList(). - */ - -void uiLoader::ftpAddLsEntry( const QUrlInfo &urlInfo ) -{ - //Just adding the file to the list - lsDirList << urlInfo.name(); -} - -/* - * Return a list of the test case ui files - */ - -QStringList uiLoader::uiFiles() const -{ - QString baselinePath = QDir::currentPath(); - baselinePath += QLatin1String("/baseline"); - QDir dir(baselinePath); - dir.setFilter(QDir::Files); - dir.setNameFilters(QStringList(QLatin1String("*.ui"))); - const QFileInfoList list = dir.entryInfoList(); - QStringList rc; - const QChar slash = QLatin1Char('/'); - foreach (const QFileInfo &fi, list) { - QString fileAbsolutePath = baselinePath; - fileAbsolutePath += slash; - fileAbsolutePath += fi.fileName(); - rc.push_back(fileAbsolutePath); - } - return rc; -} -/* - * The actual method for generating local files that will be compared - * to the baseline. - * - * The external program uiscreenshot/uiscreenshot is called to generate - * *.png files of *.ui files. - */ - -void uiLoader::executeTests() -{ - qDebug(" ========== Executing the tests...[generating pngs from uis]"); - - qDebug() << "Current Dir" << QDir::currentPath(); - - qDebug() << "\t(I) Using" << pathToProgram; - - QProcess myProcess; - foreach(const QString &fileAbsolutePath, uiFiles()) { - qDebug() << "\t(I) Current file:" << fileAbsolutePath; - - QHashIterator<QString, QString> j(enginesToTest); - while ( j.hasNext() ) { - j.next(); - - QString outputDirectory = output + '/' + j.key(); - - QStringList arguments; - arguments << fileAbsolutePath; - arguments << outputDirectory; - - myProcess.start(pathToProgram, arguments); - - // took too long? - errorMsg = "process does not exited normally (QProcess timeout) - " + pathToProgram; - QVERIFY2( myProcess.waitForFinished(), qPrintable(errorMsg) ); - - qDebug() << "\n" << myProcess.readAllStandardError(); - - // check exit code/status - errorMsg = "process does not exited normally - " + pathToProgram; - QVERIFY2( myProcess.exitStatus() == QProcess::NormalExit, qPrintable(errorMsg) ); - QVERIFY2( myProcess.exitCode() == EXIT_SUCCESS, qPrintable(errorMsg) ); - } - } -} - -/* - * Comparing generated files to the baseline. - */ - -bool uiLoader::compare() -{ - qDebug( " ========== Now comparing the results to the baseline" ); - - QDir dir(output); - - QHashIterator<QString, QString> i(enginesToTest); - while ( i.hasNext() ) { - i.next(); - - QString engineName = i.key(); - - // Perform comparisons between the two directories. - dir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks); - dir.setNameFilters( QStringList() << "*.png" ); - dir.cd( engineName + ".baseline" ); - - QFileInfoList list = dir.entryInfoList(); - - for (int i = 0; i < list.size(); ++i) { - QFileInfo fileInfo = list.at(i); - diff(output, engineName, fileInfo.fileName()); - } - } - - return true; -} - - - - -void uiLoader::diff(const QString& basedir, const QString& engine, const QString& fileName) -{ - QString filePathBaseline = basedir + "/" + engine + ".baseline/" + fileName; - QString filePathGenerated = basedir + "/" + engine + '/' + fileName; - - qDebug() << "\t(I) Comparing" << filePathBaseline; - qDebug() << "\t(I) Comparing" << filePathGenerated; - - QString filePathDiffImage = basedir + "/" + engine + ".diff/" + fileName; - - if ( QFile::exists(filePathGenerated) ) { - QString filePathDiffImage = basedir + "/" + engine + ".diff/" + fileName; - int pixelDiff = imgDiff(filePathBaseline, filePathGenerated, filePathDiffImage); - - if ( pixelDiff <= threshold.toInt() ) { - qDebug() << "\t(I) TEST OK"; - QVERIFY(true); - } else { - qDebug() << "\t(I) TEST FAILED"; - qDebug() << "\t(I)\t...saving baseline in *.failed"; - - // local: save in *.failed - QString filePathFailed = basedir + "/" + engine + ".failed/" + fileName; - errorMsg = "Could not save " + filePathGenerated + " to " + filePathFailed; - QVERIFY2( QFile::copy(filePathGenerated, filePathFailed), qPrintable(errorMsg) ); - - // remote: save in *.failed - QString filePathFailedRemote = ftpBaseDir + "/" + engine + ".failed" + "/" + fileName; - ftpUploadFile(filePathFailedRemote, filePathGenerated); - - errorMsg = "Something broke in the image comparison with " + filePathDiffImage; - QVERIFY2( (pixelDiff != -1), qPrintable(errorMsg) ); - - // remote: save in *.diff - QString filePathDiffRemote = ftpBaseDir + "/" + engine + ".diff" + "/" + fileName; - ftpUploadFile(filePathDiffRemote, filePathDiffImage); - QFAIL(qPrintable(fileName)); - } - - } else { - qWarning() << "\t(W) Expected generated file" << filePathGenerated << "does not exist."; - qWarning() << "\t(W) ...saving baseline in *.failed"; - - // save local - QString filePathMissing = basedir + '/' + engine + ".failed/" + fileName + "_missing"; - errorMsg = "Could not save " + filePathMissing; - QVERIFY2( QFile::copy(filePathBaseline, filePathMissing), qPrintable(errorMsg) ); - - // save remote - QString filePathDiffRemote = ftpBaseDir + "/" + engine + ".diff" + "/" + fileName; - ftpUploadFile(filePathDiffRemote, filePathBaseline); - - errorMsg = filePathGenerated + " was not generated, but baseline for this file exists"; - QVERIFY2(false, qPrintable(errorMsg)); - } - -} - -/* - * Execution starts here. - */ - -uiLoader::TestResult uiLoader::runAutoTests(QString *errorMessage) -{ - // SVG needs this widget... - QWidget dummy; - - qDebug() << "Running test on buildkey:" << QLibraryInfo::buildKey() << " qt version:" << qVersion(); - qDebug() << "Initializing tests..."; - - // load config - const QString configFileName = QHostInfo::localHostName().split(QLatin1Char('.')).first() + QLatin1String(".ini"); - const QFileInfo fi(configFileName); - if (!fi.isFile() || !fi.isReadable()) { - *errorMessage = QString::fromLatin1("Config file '%1' does not exist or is not readable.").arg(configFileName); - return TestNoConfig; - } - - if (!loadConfig(configFileName, errorMessage)) - return TestConfigError; - - // reset the local environment where the results are stored - setupLocal(); - - // reset the FTP environment where the results are stored - setupFTP(); - - // retrieve the latest test result baseline from the FTP server. - downloadBaseline(); - - // execute tests - executeTests(); - - // upload testresults as new baseline or compare results - if ( lsNeedBaseline.size() ) - createBaseline(); - else - compare(); - - return TestRunDone; -} - -int uiLoader::imgDiff(const QString fileA, const QString fileB, const QString output) -{ -// qDebug() << "Comparing " << fileA << " and " << fileB << " outputting to " << output; - QImage imageA(fileA); - QImage imageB(fileB); - - // Invalid images - if (imageA.isNull() || imageB.isNull()) - { - qDebug() << "Fatal error: unable to open one or more input images."; - return false; - } - - //Choose the largest image size, so that the output can capture the entire diff. - QSize largestSize = imageA.size(); - QSize otherSize = imageB.size(); - - if (largestSize.width() < otherSize.width()) - largestSize.setWidth(otherSize.width()); - - if (largestSize.height() < otherSize.height()) - largestSize.setHeight(otherSize.height()); - - QImage imageDiff(largestSize, QImage::Format_ARGB32); - - imageA = imageA.convertToFormat(QImage::Format_ARGB32); - imageB = imageB.convertToFormat(QImage::Format_ARGB32); - - int pixelDiff = 0; - - for (int y = 0; y < imageDiff.height(); ++y) - { - for (int x = 0; x < imageDiff.width(); ++x) - { - //Are the pixels within range? Else, draw a black pixel in diff. - if (imageA.valid(x,y) && imageB.valid(x,y)) - { - //Both images have a pixel at x,y - are they the same? If not, black pixel in diff. - if (imageA.pixel(x,y) != imageB.pixel(x,y)) - { - imageDiff.setPixel(x,y,0xff000000); - pixelDiff++; - } - else - imageDiff.setPixel(x,y,0xffffffff); - } - else - { - imageDiff.setPixel(x,y,0xff000000); - pixelDiff++; - } - } - } - - imageDiff.setText("comment", QString::number(pixelDiff)); - - if (!imageDiff.save(output, "PNG")) - pixelDiff = -1; - - return pixelDiff; -} |