2732e23887
- Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 & LICENSE.GPLv2 - Removed LICENSE.GPL Change-Id: Ied06887225df341064c12bcc14c259ae74116f2e Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdeclarativecamerapreviewprovider_p.h"
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#include <QtCore/qmutex.h>
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#include <QtCore/qdebug.h>
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QT_BEGIN_NAMESPACE
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struct QDeclarativeCameraPreviewProviderPrivate
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{
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QString id;
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QImage image;
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QMutex mutex;
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};
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Q_GLOBAL_STATIC(QDeclarativeCameraPreviewProviderPrivate, qDeclarativeCameraPreviewProviderPrivate)
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QDeclarativeCameraPreviewProvider::QDeclarativeCameraPreviewProvider()
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: QQuickImageProvider(QQuickImageProvider::Image)
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{
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}
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QDeclarativeCameraPreviewProvider::~QDeclarativeCameraPreviewProvider()
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{
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QDeclarativeCameraPreviewProviderPrivate *d = qDeclarativeCameraPreviewProviderPrivate();
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QMutexLocker lock(&d->mutex);
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d->id.clear();
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d->image = QImage();
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}
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QImage QDeclarativeCameraPreviewProvider::requestImage(const QString &id, QSize *size, const QSize& requestedSize)
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{
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QDeclarativeCameraPreviewProviderPrivate *d = qDeclarativeCameraPreviewProviderPrivate();
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QMutexLocker lock(&d->mutex);
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if (d->id != id)
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return QImage();
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QImage res = d->image;
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if (!requestedSize.isEmpty())
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res = res.scaled(requestedSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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if (size)
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*size = res.size();
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return res;
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}
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void QDeclarativeCameraPreviewProvider::registerPreview(const QString &id, const QImage &preview)
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{
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//only the last preview is kept
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QDeclarativeCameraPreviewProviderPrivate *d = qDeclarativeCameraPreviewProviderPrivate();
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QMutexLocker lock(&d->mutex);
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d->id = id;
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d->image = preview;
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}
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QT_END_NAMESPACE
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