Differential D15591 Diff 41934 thumbnail/opendocumentcreator.cpp

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thumbnail/opendocumentcreator.cpp

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		1		/*
		2		* Copyright (c) 2018 Kai Uwe Broulik <kde@broulik.de>
		3		*
		4		* This library is free software; you can redistribute it and/or
		5		* modify it under the terms of the GNU Lesser General Public
		6		* License as published by the Free Software Foundation; either
		7		* version 2.1 of the License, or (at your option) version 3, or any
		8		* later version accepted by the membership of KDE e.V. (or its
		9		* successor approved by the membership of KDE e.V.), which shall
		10		* act as a proxy defined in Section 6 of version 3 of the license.
		11		*
		12		* This library is distributed in the hope that it will be useful,
		13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		15		* Lesser General Public License for more details.
		16		*
		17		* You should have received a copy of the GNU Lesser General Public
		18		* License along with this library. If not, see <http://www.gnu.org/licenses/>.
		19		*/
		20
		21		#include "opendocumentcreator.h"
		22
		23		#include <QImage>
		24
		25		#include <KZip>
		26
		27		extern "C"
		28		{
		29		Q_DECL_EXPORT ThumbCreator *new_creator()
		30		{
		31		return new OpenDocumentCreator;
		32		}
		33		}
		34
		35		OpenDocumentCreator::OpenDocumentCreator() = default;
		36
		37		OpenDocumentCreator::~OpenDocumentCreator() = default;
		38
		39		bool OpenDocumentCreator::create(const QString &path, int width, int height, QImage &image)
		40		{
		41		Q_UNUSED(width);
		42		Q_UNUSED(height);
		43
		44		KZip zip(path);
		45		if (!zip.open(QIODevice::ReadOnly)) {
		46		return false;
		47		}
		48
		49		const KArchiveEntry *entry = zip.directory()->entry(QStringLiteral("Thumbnails/thumbnail.png"));
		50
		51		if (!entry \|\| !entry->isFile()) {
		52		return false;
		53		}
		54
		55		const KZipFileEntry zipFileEntry = static_cast<const KZipFileEntry >(entry);
		56		return image.loadFromData(zipFileEntry->data(), "PNG");
		57		}