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94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2007 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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// Self
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#include "resizeimageoperation.h"
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// Qt
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#include <QImage>
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// KDE
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#include <KDebug>
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#include <KLocale>
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// Local
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#include "document/abstractdocumenteditor.h"
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#include "document/document.h"
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#include "document/documentjob.h"
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namespace Gwenview
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{
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struct ResizeImageOperationPrivate
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{
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QSize mSize;
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QImage mOriginalImage;
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};
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class ResizeJob : public ThreadedDocumentJob
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{
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public:
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ResizeJob(const QSize& size)
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: mSize(size)
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{}
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virtual void threadedStart()
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{
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if (!checkDocumentEditor()) {
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return;
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}
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QImage image = document()->image();
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image = image.scaled(mSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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document()->editor()->setImage(image);
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setError(NoError);
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}
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private:
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QSize mSize;
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};
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ResizeImageOperation::ResizeImageOperation(const QSize& size)
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: d(new ResizeImageOperationPrivate)
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{
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d->mSize = size;
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setText(i18nc("(qtundo-format)", "Resize"));
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}
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ResizeImageOperation::~ResizeImageOperation()
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{
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delete d;
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}
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void ResizeImageOperation::redo()
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{
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d->mOriginalImage = document()->image();
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redoAsDocumentJob(new ResizeJob(d->mSize));
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}
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void ResizeImageOperation::undo()
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{
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if (!document()->editor()) {
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kWarning() << "!document->editor()";
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return;
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}
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document()->editor()->setImage(d->mOriginalImage);
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}
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} // namespace
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