kde-extraapps/gwenview/lib/document/documentloadedimpl.cpp

124 lines
2.8 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2007 Aurélien Gâteau <agateau@kde.org>
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 "documentloadedimpl.h"
// Qt
#include <QByteArray>
#include <QImage>
#include <QImageWriter>
#include <QMatrix>
// KDE
#include <KDebug>
#include <KLocale>
#include <KUrl>
// Local
#include "documentjob.h"
#include "imageutils.h"
#include "savejob.h"
namespace Gwenview
{
struct DocumentLoadedImplPrivate
{
QByteArray mRawData;
bool mQuietInit;
};
DocumentLoadedImpl::DocumentLoadedImpl(Document* document, const QByteArray& rawData, bool quietInit)
: AbstractDocumentImpl(document)
, d(new DocumentLoadedImplPrivate)
{
if (document->keepRawData()) {
d->mRawData = rawData;
}
d->mQuietInit = quietInit;
}
DocumentLoadedImpl::~DocumentLoadedImpl()
{
delete d;
}
void DocumentLoadedImpl::init()
{
if (!d->mQuietInit) {
emit imageRectUpdated(document()->image().rect());
emit loaded();
}
}
bool DocumentLoadedImpl::isEditable() const
{
return true;
}
Document::LoadingState DocumentLoadedImpl::loadingState() const
{
return Document::Loaded;
}
bool DocumentLoadedImpl::saveInternal(QIODevice* device, const QByteArray& format)
{
QImageWriter writer(device, format);
bool ok = writer.write(document()->image());
if (ok) {
setDocumentFormat(format);
} else {
setDocumentErrorString(writer.errorString());
}
return ok;
}
DocumentJob* DocumentLoadedImpl::save(const KUrl& url, const QByteArray& format)
{
return new SaveJob(this, url, format);
}
AbstractDocumentEditor* DocumentLoadedImpl::editor()
{
return this;
}
void DocumentLoadedImpl::setImage(const QImage& image)
{
setDocumentImage(image);
imageRectUpdated(image.rect());
}
void DocumentLoadedImpl::applyTransformation(Orientation orientation)
{
QImage image = document()->image();
QMatrix matrix = ImageUtils::transformMatrix(orientation);
image = image.transformed(matrix);
setDocumentImage(image);
imageRectUpdated(image.rect());
}
QByteArray DocumentLoadedImpl::rawData() const
{
return d->mRawData;
}
} // namespace