111 lines
2.6 KiB
C++

/*
Gwenview: an image viewer
Copyright 2022 Ilya Pominov <ipominov@astralinux.ru>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// Self
#include "bcgimageoperation.h"
// Qt
#include <QImage>
// KF
#include <KLocalizedString>
// Local
#include "document/abstractdocumenteditor.h"
#include "document/document.h"
#include "document/documentjob.h"
#include "gwenview_lib_debug.h"
#include "imageutils.h"
namespace Gwenview
{
class BCGJob : public ThreadedDocumentJob
{
public:
BCGJob(const BCGImageOperation::BrightnessContrastGamma &bcg)
: mBcg(bcg)
{
}
void threadedStart() override
{
if (!checkDocumentEditor()) {
return;
}
QImage img = document()->image();
BCGImageOperation::apply(img, mBcg);
document()->editor()->setImage(img);
setError(NoError);
}
private:
BCGImageOperation::BrightnessContrastGamma mBcg;
};
struct BCGImageOperationPrivate {
QImage mOriginalImage;
BCGImageOperation::BrightnessContrastGamma mBcg;
};
BCGImageOperation::BCGImageOperation(const BrightnessContrastGamma &bcg)
: d(new BCGImageOperationPrivate)
{
setText(i18n("Adjust Colors"));
d->mBcg = bcg;
}
BCGImageOperation::~BCGImageOperation()
{
delete d;
}
void BCGImageOperation::redo()
{
d->mOriginalImage = document()->image();
redoAsDocumentJob(new BCGJob(d->mBcg));
}
void BCGImageOperation::undo()
{
if (!document()->editor()) {
qCWarning(GWENVIEW_LIB_LOG) << "!document->editor()";
return;
}
document()->editor()->setImage(d->mOriginalImage);
finish(true);
}
void BCGImageOperation::apply(QImage &img, const BrightnessContrastGamma &bcg)
{
if (bcg.brightness != 0) {
img = ImageUtils::changeBrightness(img, bcg.brightness);
}
if (bcg.contrast != 0) {
img = ImageUtils::changeContrast(img, bcg.contrast + 100);
}
if (bcg.gamma != 0) {
img = ImageUtils::changeGamma(img, bcg.gamma + 100);
}
}
} // namespace
#include "moc_bcgimageoperation.cpp"