diff options
Diffstat (limited to 'src/plugins/imageformats/macheif/qmacheifhandler.cpp')
-rw-r--r-- | src/plugins/imageformats/macheif/qmacheifhandler.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/plugins/imageformats/macheif/qmacheifhandler.cpp b/src/plugins/imageformats/macheif/qmacheifhandler.cpp new file mode 100644 index 0000000..7c63e52 --- /dev/null +++ b/src/plugins/imageformats/macheif/qmacheifhandler.cpp @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** 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 |