File indexing completed on 2024-05-05 12:45:18
0001 /************************************************************************ 0002 * * 0003 * This file is part of Kooka, a scanning/OCR application using * 0004 * Qt <http://www.qt.io> and KDE Frameworks <http://www.kde.org>. * 0005 * * 0006 * Copyright (C) 2013-2016 Jonathan Marten <jjm@keelhaul.me.uk> * 0007 * * 0008 * Kooka is free software; you can redistribute it and/or modify it * 0009 * under the terms of the GNU Library General Public License as * 0010 * published by the Free Software Foundation and appearing in the * 0011 * file COPYING included in the packaging of this file; either * 0012 * version 2 of the License, or (at your option) any later version. * 0013 * * 0014 * As a special exception, permission is given to link this program * 0015 * with any version of the KADMOS OCR/ICR engine (a product of * 0016 * reRecognition GmbH, Kreuzlingen), and distribute the resulting * 0017 * executable without including the source code for KADMOS in the * 0018 * source distribution. * 0019 * * 0020 * This program is distributed in the hope that it will be useful, * 0021 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0023 * GNU General Public License for more details. * 0024 * * 0025 * You should have received a copy of the GNU General Public * 0026 * License along with this program; see the file COPYING. If * 0027 * not, see <http://www.gnu.org/licenses/>. * 0028 * * 0029 ************************************************************************/ 0030 0031 #include "imagetransform.h" 0032 0033 #include <qurl.h> 0034 0035 #include <klocalizedstring.h> 0036 #include "kooka_logging.h" 0037 0038 0039 ImageTransform::ImageTransform(const QImage &img, ImageTransform::Operation op, 0040 const QString &fileName, QObject *parent) 0041 : QThread(parent) 0042 { 0043 mImage = img; 0044 mOperation = op; 0045 mFileName = fileName; 0046 qCDebug(KOOKA_LOG) << "operation" << mOperation; 0047 } 0048 0049 0050 void ImageTransform::run() 0051 { 0052 qCDebug(KOOKA_LOG) << "thread started for operation" << mOperation; 0053 0054 QImage resultImg; 0055 QTransform m; 0056 0057 switch (mOperation) { 0058 case ImageTransform::Rotate90: 0059 emit statusMessage(i18n("Rotate image +90 degrees")); 0060 m.rotate(+90); 0061 resultImg = mImage.transformed(m); 0062 break; 0063 0064 case ImageTransform::MirrorBoth: 0065 case ImageTransform::Rotate180: 0066 emit statusMessage(i18n("Rotate image 180 degrees")); 0067 resultImg = mImage.mirrored(true, true); 0068 break; 0069 0070 case ImageTransform::Rotate270: 0071 emit statusMessage(i18n("Rotate image -90 degrees")); 0072 m.rotate(-90); 0073 resultImg = mImage.transformed(m); 0074 break; 0075 0076 case ImageTransform::MirrorHorizontal: 0077 emit statusMessage(i18n("Mirror image horizontally")); 0078 resultImg = mImage.mirrored(true, false); 0079 break; 0080 0081 case ImageTransform::MirrorVertical: 0082 emit statusMessage(i18n("Mirror image vertically")); 0083 resultImg = mImage.mirrored(false, true); 0084 break; 0085 0086 default: 0087 qCWarning(KOOKA_LOG) << "Unknown operation" << mOperation; 0088 break; 0089 } 0090 0091 if (resultImg.save(mFileName)) { 0092 emit done(QUrl::fromLocalFile(mFileName)); 0093 } else { 0094 emit statusMessage(i18n("Error updating image %1", mFileName)); 0095 } 0096 0097 qCDebug(KOOKA_LOG) << "thread finished"; 0098 }