111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
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/*
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Gwenview: an image viewer
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Copyright 2022 Ilya Pominov <ipominov@astralinux.ru>
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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 "bcgimageoperation.h"
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// Qt
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#include <QImage>
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// KF
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#include <KLocalizedString>
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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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#include "gwenview_lib_debug.h"
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#include "imageutils.h"
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namespace Gwenview
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{
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class BCGJob : public ThreadedDocumentJob
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{
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public:
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BCGJob(const BCGImageOperation::BrightnessContrastGamma &bcg)
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: mBcg(bcg)
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{
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}
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void threadedStart() override
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{
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if (!checkDocumentEditor()) {
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return;
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}
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QImage img = document()->image();
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BCGImageOperation::apply(img, mBcg);
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document()->editor()->setImage(img);
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setError(NoError);
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}
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private:
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BCGImageOperation::BrightnessContrastGamma mBcg;
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};
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struct BCGImageOperationPrivate {
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QImage mOriginalImage;
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BCGImageOperation::BrightnessContrastGamma mBcg;
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};
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BCGImageOperation::BCGImageOperation(const BrightnessContrastGamma &bcg)
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: d(new BCGImageOperationPrivate)
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{
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setText(i18n("Adjust Colors"));
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d->mBcg = bcg;
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}
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BCGImageOperation::~BCGImageOperation()
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{
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delete d;
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}
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void BCGImageOperation::redo()
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{
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d->mOriginalImage = document()->image();
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redoAsDocumentJob(new BCGJob(d->mBcg));
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}
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void BCGImageOperation::undo()
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{
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if (!document()->editor()) {
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qCWarning(GWENVIEW_LIB_LOG) << "!document->editor()";
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return;
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}
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document()->editor()->setImage(d->mOriginalImage);
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finish(true);
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}
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void BCGImageOperation::apply(QImage &img, const BrightnessContrastGamma &bcg)
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{
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if (bcg.brightness != 0) {
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img = ImageUtils::changeBrightness(img, bcg.brightness);
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}
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if (bcg.contrast != 0) {
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img = ImageUtils::changeContrast(img, bcg.contrast + 100);
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}
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if (bcg.gamma != 0) {
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img = ImageUtils::changeGamma(img, bcg.gamma + 100);
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}
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}
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} // namespace
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#include "moc_bcgimageoperation.cpp"
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