// vim: set tabstop=4 shiftwidth=4 noexpandtab:
/*
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.h>
#include <klocale.h>
#include <kurl.h>

// 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
