File indexing completed on 2024-05-12 04:19:47
0001 // vim: set tabstop=4 shiftwidth=4 expandtab: 0002 /* 0003 Gwenview: an image viewer 0004 Copyright 2007 Aurélien Gâteau <agateau@kde.org> 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License 0008 as published by the Free Software Foundation; either version 2 0009 of the License, or (at your option) any later version. 0010 0011 This program is distributed in the hope that it will be useful, 0012 but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0014 GNU General Public License for more details. 0015 0016 You should have received a copy of the GNU General Public License 0017 along with this program; if not, write to the Free Software 0018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 0019 0020 */ 0021 // Self 0022 #include "resizeimageoperation.h" 0023 0024 // Qt 0025 #include <QImage> 0026 0027 // KF 0028 #include <KLocalizedString> 0029 0030 // Local 0031 #include "document/abstractdocumenteditor.h" 0032 #include "document/document.h" 0033 #include "document/documentjob.h" 0034 #include "gwenview_lib_debug.h" 0035 0036 namespace Gwenview 0037 { 0038 struct ResizeImageOperationPrivate { 0039 QSize mSize; 0040 QImage mOriginalImage; 0041 }; 0042 0043 class ResizeJob : public ThreadedDocumentJob 0044 { 0045 public: 0046 ResizeJob(const QSize &size) 0047 : mSize(size) 0048 { 0049 } 0050 0051 void threadedStart() override 0052 { 0053 if (!checkDocumentEditor()) { 0054 return; 0055 } 0056 QImage image = document()->image(); 0057 image = image.scaled(mSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); 0058 document()->editor()->setImage(image); 0059 setError(NoError); 0060 } 0061 0062 private: 0063 QSize mSize; 0064 }; 0065 0066 ResizeImageOperation::ResizeImageOperation(const QSize &size) 0067 : d(new ResizeImageOperationPrivate) 0068 { 0069 d->mSize = size; 0070 setText(i18nc("(qtundo-format)", "Resize")); 0071 } 0072 0073 ResizeImageOperation::~ResizeImageOperation() 0074 { 0075 delete d; 0076 } 0077 0078 void ResizeImageOperation::redo() 0079 { 0080 d->mOriginalImage = document()->image(); 0081 redoAsDocumentJob(new ResizeJob(d->mSize)); 0082 } 0083 0084 void ResizeImageOperation::undo() 0085 { 0086 if (!document()->editor()) { 0087 qCWarning(GWENVIEW_LIB_LOG) << "!document->editor()"; 0088 return; 0089 } 0090 document()->editor()->setImage(d->mOriginalImage); 0091 finish(true); 0092 } 0093 0094 } // namespace