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diff --git a/src/plugins/imageformats/macheif/qmacheifhandler.cpp b/src/plugins/imageformats/macheif/qmacheifhandler.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the MacHeif plugin in the Qt ImageFormats module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmacheifhandler.h"
+#include "qiiofhelpers_p.h"
+#include <QVariant>
+
+QT_BEGIN_NAMESPACE
+
+class QMacHeifHandlerPrivate
+{
+ Q_DECLARE_PUBLIC(QMacHeifHandler)
+ Q_DISABLE_COPY(QMacHeifHandlerPrivate)
+public:
+ QMacHeifHandlerPrivate(QMacHeifHandler *q_ptr)
+ : writeQuality(-1), q_ptr(q_ptr)
+ {}
+
+ int writeQuality;
+ QMacHeifHandler *q_ptr;
+};
+
+
+QMacHeifHandler::QMacHeifHandler()
+ : d_ptr(new QMacHeifHandlerPrivate(this))
+{
+}
+
+QMacHeifHandler::~QMacHeifHandler()
+{
+}
+
+bool QMacHeifHandler::canRead(QIODevice *iod)
+{
+ bool bCanRead = false;
+ char buf[12];
+ if (iod && iod->peek(buf, 12) == 12) {
+ bCanRead = (!qstrncmp(buf + 4, "ftyp", 4) &&
+ (!qstrncmp(buf + 8, "heic", 4) ||
+ !qstrncmp(buf + 8, "heix", 4) ||
+ !qstrncmp(buf + 8, "mif1", 4)));
+ }
+ return bCanRead;
+}
+
+bool QMacHeifHandler::canRead() const
+{
+ if (canRead(device())) {
+ setFormat("heic");
+ return true;
+ }
+ return false;
+}
+
+bool QMacHeifHandler::read(QImage *image)
+{
+ return QIIOFHelpers::readImage(this, image);
+}
+
+bool QMacHeifHandler::write(const QImage &image)
+{
+ return QIIOFHelpers::writeImage(this, image, QStringLiteral("public.heic"));
+}
+
+QVariant QMacHeifHandler::option(ImageOption option) const
+{
+ return QVariant();
+}
+
+void QMacHeifHandler::setOption(ImageOption option, const QVariant &value)
+{
+ Q_UNUSED(option)
+ Q_UNUSED(value)
+}
+
+bool QMacHeifHandler::supportsOption(ImageOption option) const
+{
+ return false;
+}
+
+QT_END_NAMESPACE