File indexing completed on 2024-04-28 04:20:34 

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 #ifndef IMAGETRANSFORM_H
0032 #define IMAGETRANSFORM_H
0033 
0034 #include <qthread.h>
0035 #include <qimage.h>
0036 
0037 class QUrl;
0038 
0039 
0040 class ImageTransform : public QThread
0041 {
0042     Q_OBJECT
0043 
0044 public:
0045     enum Operation {
0046         Rotate90,                   // 90 degrees clockwise
0047         Rotate180,                  // 180 degrees
0048         Rotate270,                  // 90 degrees anticlockwise
0049         MirrorHorizontal,               // mirror horizontally
0050         MirrorVertical,                 // mirror vertically
0051         MirrorBoth                  // effectively same as Rotate180
0052     };
0053 
0054     explicit ImageTransform(const QImage &img, ImageTransform::Operation op,
0055                    const QString &fileName, QObject *parent = nullptr);
0056     ~ImageTransform() override = default;
0057 
0058 signals:
0059     void statusMessage(const QString &message);
0060     void done(const QUrl &imageUrl);
0061 
0062 protected:
0063     void run() override;
0064 
0065 private:
0066     ImageTransform::Operation mOperation;
0067     QString mFileName;
0068     QImage mImage;
0069 };
0070 
0071 #endif                          // IMAGETRANSFORM_H