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/****************************************************************************
**
** Copyright (C) 2013 Research In Motion
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "bbcameraimageprocessingcontrol.h"
#include "bbcamerasession.h"
#include <QDebug>
QT_BEGIN_NAMESPACE
BbCameraImageProcessingControl::BbCameraImageProcessingControl(BbCameraSession *session, QObject *parent)
: QCameraImageProcessingControl(parent)
, m_session(session)
{
}
bool BbCameraImageProcessingControl::isParameterSupported(ProcessingParameter parameter) const
{
return (parameter == QCameraImageProcessingControl::WhiteBalancePreset);
}
bool BbCameraImageProcessingControl::isParameterValueSupported(ProcessingParameter parameter, const QVariant &value) const
{
if (parameter != QCameraImageProcessingControl::WhiteBalancePreset)
return false;
if (m_session->handle() == CAMERA_HANDLE_INVALID)
return false;
int supported = 0;
camera_whitebalancemode_t modes[20];
const camera_error_t result = camera_get_whitebalance_modes(m_session->handle(), 20, &supported, modes);
if (result != CAMERA_EOK) {
qWarning() << "Unable to retrieve supported whitebalance modes:" << result;
return false;
}
QSet<QCameraImageProcessing::WhiteBalanceMode> supportedModes;
for (int i = 0; i < supported; ++i) {
switch (modes[i]) {
case CAMERA_WHITEBALANCEMODE_AUTO:
supportedModes.insert(QCameraImageProcessing::WhiteBalanceAuto);
break;
case CAMERA_WHITEBALANCEMODE_MANUAL:
supportedModes.insert(QCameraImageProcessing::WhiteBalanceManual);
break;
default:
break;
}
}
return supportedModes.contains(value.value<QCameraImageProcessing::WhiteBalanceMode>());
}
QVariant BbCameraImageProcessingControl::parameter(ProcessingParameter parameter) const
{
if (parameter != QCameraImageProcessingControl::WhiteBalancePreset)
return QVariant();
if (m_session->handle() == CAMERA_HANDLE_INVALID)
return QVariant();
camera_whitebalancemode_t mode;
const camera_error_t result = camera_get_whitebalance_mode(m_session->handle(), &mode);
if (result != CAMERA_EOK) {
qWarning() << "Unable to retrieve current whitebalance mode:" << result;
return QVariant();
}
switch (mode) {
case CAMERA_WHITEBALANCEMODE_AUTO:
return QVariant::fromValue(QCameraImageProcessing::WhiteBalanceAuto);
case CAMERA_WHITEBALANCEMODE_MANUAL:
return QVariant::fromValue(QCameraImageProcessing::WhiteBalanceManual);
default:
return QVariant();
}
}
void BbCameraImageProcessingControl::setParameter(ProcessingParameter parameter, const QVariant &value)
{
if (parameter != QCameraImageProcessingControl::WhiteBalancePreset)
return;
if (m_session->handle() == CAMERA_HANDLE_INVALID)
return;
camera_whitebalancemode_t mode = CAMERA_WHITEBALANCEMODE_DEFAULT;
switch (value.value<QCameraImageProcessing::WhiteBalanceMode>()) {
case QCameraImageProcessing::WhiteBalanceAuto:
mode = CAMERA_WHITEBALANCEMODE_AUTO;
break;
case QCameraImageProcessing::WhiteBalanceManual:
mode = CAMERA_WHITEBALANCEMODE_MANUAL;
break;
default:
break;
}
const camera_error_t result = camera_set_whitebalance_mode(m_session->handle(), mode);
if (result != CAMERA_EOK)
qWarning() << "Unable to set whitebalance mode:" << result;
}
QT_END_NAMESPACE
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