36655ccdfb
Reimplement all camera related controls as they are supported by the BB10 camera API. Change-Id: Ie7d2258be22c1c1821489bd7074b80cff4242afa Reviewed-by: Bernd Weimer <bweimer@rim.com> Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
233 lines
8.6 KiB
C++
233 lines
8.6 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2013 Research In Motion
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** 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 Digia. For licensing terms and
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
** use the contact form at http://qt.digia.com/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 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Digia gives you certain additional
|
|
** rights. These rights are described in the Digia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
#include "bbcameraexposurecontrol.h"
|
|
|
|
#include "bbcamerasession.h"
|
|
|
|
#include <QDebug>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
BbCameraExposureControl::BbCameraExposureControl(BbCameraSession *session, QObject *parent)
|
|
: QCameraExposureControl(parent)
|
|
, m_session(session)
|
|
, m_requestedExposureMode(QCameraExposure::ExposureAuto)
|
|
{
|
|
connect(m_session, SIGNAL(statusChanged(QCamera::Status)), this, SLOT(statusChanged(QCamera::Status)));
|
|
}
|
|
|
|
bool BbCameraExposureControl::isParameterSupported(ExposureParameter parameter) const
|
|
{
|
|
switch (parameter) {
|
|
case QCameraExposureControl::ISO:
|
|
return false;
|
|
case QCameraExposureControl::Aperture:
|
|
return false;
|
|
case QCameraExposureControl::ShutterSpeed:
|
|
return false;
|
|
case QCameraExposureControl::ExposureCompensation:
|
|
return false;
|
|
case QCameraExposureControl::FlashPower:
|
|
return false;
|
|
case QCameraExposureControl::FlashCompensation:
|
|
return false;
|
|
case QCameraExposureControl::TorchPower:
|
|
return false;
|
|
case QCameraExposureControl::SpotMeteringPoint:
|
|
return false;
|
|
case QCameraExposureControl::ExposureMode:
|
|
return true;
|
|
case QCameraExposureControl::MeteringMode:
|
|
return false;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
QVariantList BbCameraExposureControl::supportedParameterRange(ExposureParameter parameter, bool *continuous) const
|
|
{
|
|
if (parameter != QCameraExposureControl::ExposureMode) // no other parameter supported by BB10 API at the moment
|
|
return QVariantList();
|
|
|
|
if (m_session->status() != QCamera::ActiveStatus) // we can query supported exposure modes only with active viewfinder
|
|
return QVariantList();
|
|
|
|
if (continuous)
|
|
*continuous = false;
|
|
|
|
int supported = 0;
|
|
camera_scenemode_t modes[20];
|
|
const camera_error_t result = camera_get_scene_modes(m_session->handle(), 20, &supported, modes);
|
|
if (result != CAMERA_EOK) {
|
|
qWarning() << "Unable to retrieve supported scene modes:" << result;
|
|
return QVariantList();
|
|
}
|
|
|
|
QVariantList exposureModes;
|
|
for (int i = 0; i < supported; ++i) {
|
|
switch (modes[i]) {
|
|
case CAMERA_SCENE_AUTO:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposureAuto);
|
|
break;
|
|
case CAMERA_SCENE_SPORTS:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposureSports);
|
|
break;
|
|
case CAMERA_SCENE_CLOSEUP:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposurePortrait);
|
|
break;
|
|
case CAMERA_SCENE_ACTION:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposureSports);
|
|
break;
|
|
case CAMERA_SCENE_BEACHANDSNOW:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposureBeach) << QVariant::fromValue(QCameraExposure::ExposureSnow);
|
|
break;
|
|
case CAMERA_SCENE_NIGHT:
|
|
exposureModes << QVariant::fromValue(QCameraExposure::ExposureNight);
|
|
break;
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
return exposureModes;
|
|
}
|
|
|
|
QVariant BbCameraExposureControl::requestedValue(ExposureParameter parameter) const
|
|
{
|
|
if (parameter != QCameraExposureControl::ExposureMode) // no other parameter supported by BB10 API at the moment
|
|
return QVariant();
|
|
|
|
return QVariant::fromValue(m_requestedExposureMode);
|
|
}
|
|
|
|
QVariant BbCameraExposureControl::actualValue(ExposureParameter parameter) const
|
|
{
|
|
if (parameter != QCameraExposureControl::ExposureMode) // no other parameter supported by BB10 API at the moment
|
|
return QVariantList();
|
|
|
|
if (m_session->status() != QCamera::ActiveStatus) // we can query actual scene modes only with active viewfinder
|
|
return QVariantList();
|
|
|
|
camera_scenemode_t sceneMode = CAMERA_SCENE_DEFAULT;
|
|
const camera_error_t result = camera_get_scene_mode(m_session->handle(), &sceneMode);
|
|
|
|
if (result != CAMERA_EOK) {
|
|
qWarning() << "Unable to retrieve scene mode:" << result;
|
|
return QVariant();
|
|
}
|
|
|
|
switch (sceneMode) {
|
|
case CAMERA_SCENE_AUTO:
|
|
return QVariant::fromValue(QCameraExposure::ExposureAuto);
|
|
case CAMERA_SCENE_SPORTS:
|
|
return QVariant::fromValue(QCameraExposure::ExposureSports);
|
|
case CAMERA_SCENE_CLOSEUP:
|
|
return QVariant::fromValue(QCameraExposure::ExposurePortrait);
|
|
case CAMERA_SCENE_ACTION:
|
|
return QVariant::fromValue(QCameraExposure::ExposureSports);
|
|
case CAMERA_SCENE_BEACHANDSNOW:
|
|
return (m_requestedExposureMode == QCameraExposure::ExposureBeach ? QVariant::fromValue(QCameraExposure::ExposureBeach)
|
|
: QVariant::fromValue(QCameraExposure::ExposureSnow));
|
|
case CAMERA_SCENE_NIGHT:
|
|
return QVariant::fromValue(QCameraExposure::ExposureNight);
|
|
default:
|
|
return QVariant();
|
|
}
|
|
}
|
|
|
|
bool BbCameraExposureControl::setValue(ExposureParameter parameter, const QVariant& value)
|
|
{
|
|
if (parameter != QCameraExposureControl::ExposureMode) // no other parameter supported by BB10 API at the moment
|
|
return false;
|
|
|
|
if (m_session->status() != QCamera::ActiveStatus) // we can set actual scene modes only with active viewfinder
|
|
return false;
|
|
|
|
camera_scenemode_t sceneMode = CAMERA_SCENE_DEFAULT;
|
|
|
|
if (value.isValid()) {
|
|
m_requestedExposureMode = value.value<QCameraExposure::ExposureMode>();
|
|
emit requestedValueChanged(QCameraExposureControl::ExposureMode);
|
|
|
|
switch (m_requestedExposureMode) {
|
|
case QCameraExposure::ExposureAuto:
|
|
sceneMode = CAMERA_SCENE_AUTO;
|
|
break;
|
|
case QCameraExposure::ExposureSports:
|
|
sceneMode = CAMERA_SCENE_SPORTS;
|
|
break;
|
|
case QCameraExposure::ExposurePortrait:
|
|
sceneMode = CAMERA_SCENE_CLOSEUP;
|
|
break;
|
|
case QCameraExposure::ExposureBeach:
|
|
sceneMode = CAMERA_SCENE_BEACHANDSNOW;
|
|
break;
|
|
case QCameraExposure::ExposureSnow:
|
|
sceneMode = CAMERA_SCENE_BEACHANDSNOW;
|
|
break;
|
|
case QCameraExposure::ExposureNight:
|
|
sceneMode = CAMERA_SCENE_NIGHT;
|
|
break;
|
|
default:
|
|
sceneMode = CAMERA_SCENE_DEFAULT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
const camera_error_t result = camera_set_scene_mode(m_session->handle(), sceneMode);
|
|
|
|
if (result != CAMERA_EOK) {
|
|
qWarning() << "Unable to set scene mode:" << result;
|
|
return false;
|
|
}
|
|
|
|
emit actualValueChanged(QCameraExposureControl::ExposureMode);
|
|
|
|
return true;
|
|
}
|
|
|
|
void BbCameraExposureControl::statusChanged(QCamera::Status status)
|
|
{
|
|
if (status == QCamera::ActiveStatus || status == QCamera::LoadedStatus)
|
|
emit parameterRangeChanged(QCameraExposureControl::ExposureMode);
|
|
}
|
|
|
|
QT_END_NAMESPACE
|