| /**************************************************************************** |
| ** |
| ** 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 |
| |
| QMacHeifHandler::QMacHeifHandler() |
| : d(new QIIOFHelper(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 d->readImage(image); |
| } |
| |
| bool QMacHeifHandler::write(const QImage &image) |
| { |
| return d->writeImage(image, QStringLiteral("public.heic")); |
| } |
| |
| QVariant QMacHeifHandler::option(ImageOption option) const |
| { |
| return d->imageProperty(option); |
| } |
| |
| void QMacHeifHandler::setOption(ImageOption option, const QVariant &value) |
| { |
| d->setOption(option, value); |
| } |
| |
| bool QMacHeifHandler::supportsOption(ImageOption option) const |
| { |
| return option == Quality |
| || option == Size |
| || option == ImageTransformation |
| || option == TransformedByDefault; |
| } |
| |
| QT_END_NAMESPACE |