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/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "bbcameraimageprocessingcontrol_p.h"
#include "bbcamerasession_p.h"
#include <QDebug>
QT_BEGIN_NAMESPACE
BbCameraImageProcessingControl::BbCameraImageProcessingControl(BbCameraSession *session, QObject *parent)
: QPlatformCameraImageProcessing(parent)
, m_session(session)
{
}
bool BbCameraImageProcessingControl::isParameterSupported(ProcessingParameter parameter) const
{
return (parameter == QPlatformCameraImageProcessing::WhiteBalancePreset);
}
bool BbCameraImageProcessingControl::isParameterValueSupported(ProcessingParameter parameter, const QVariant &value) const
{
if (parameter != QPlatformCameraImageProcessing::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<QCamera::WhiteBalanceMode> supportedModes;
for (int i = 0; i < supported; ++i) {
switch (modes[i]) {
case CAMERA_WHITEBALANCEMODE_AUTO:
supportedModes.insert(QCamera::WhiteBalanceAuto);
break;
case CAMERA_WHITEBALANCEMODE_MANUAL:
supportedModes.insert(QCamera::WhiteBalanceManual);
break;
default:
break;
}
}
return supportedModes.contains(value.value<QCamera::WhiteBalanceMode>());
}
void BbCameraImageProcessingControl::setParameter(ProcessingParameter parameter, const QVariant &value)
{
if (parameter != QPlatformCameraImageProcessing::WhiteBalancePreset)
return;
if (m_session->handle() == CAMERA_HANDLE_INVALID)
return;
camera_whitebalancemode_t mode = CAMERA_WHITEBALANCEMODE_DEFAULT;
switch (value.value<QCamera::WhiteBalanceMode>()) {
case QCamera::WhiteBalanceAuto:
mode = CAMERA_WHITEBALANCEMODE_AUTO;
break;
case QCamera::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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