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Diffstat (limited to 'src/imports/multimedia/qdeclarativecameraflash.cpp')
| -rw-r--r-- | src/imports/multimedia/qdeclarativecameraflash.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/imports/multimedia/qdeclarativecameraflash.cpp b/src/imports/multimedia/qdeclarativecameraflash.cpp new file mode 100644 index 000000000..6150c6f5b --- /dev/null +++ b/src/imports/multimedia/qdeclarativecameraflash.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativecamera_p.h" +#include "qdeclarativecameraflash_p.h" + +QT_BEGIN_NAMESPACE + +/*! + \qmlclass CameraFlash QDeclarativeCameraFlash + \since 4.0 + \brief The CameraFlash element provides interface for flash related camera settings. + \ingroup qml-multimedia + + This element is part of the \bold{Qt.multimediakit 4.0} module. + + It should not be constructed separately but provided by Camera.flash. + + \qml + import QtQuick 2.0 + import Qt.multimediakit 4.0 + + Camera { + id: camera + + exposure.exposureCompensation: -1.0 + flash.mode: Camera.FlashRedEyeReduction + } + + \endqml +*/ + +/*! + \class QDeclarativeCameraFlash + \internal + \brief The CameraFlash element provides interface for flash related camera settings. +*/ + +/*! + Construct a declarative camera flash object using \a parent object. + */ +QDeclarativeCameraFlash::QDeclarativeCameraFlash(QCamera *camera, QObject *parent) : + QObject(parent) +{ + m_exposure = camera->exposure(); + connect(m_exposure, SIGNAL(flashReady(bool)), this, SIGNAL(flashReady(bool))); +} + +QDeclarativeCameraFlash::~QDeclarativeCameraFlash() +{ +} + +/*! + \qmlproperty bool QDeclarativeCameraFlash::ready + \property bool QDeclarativeCameraFlash::ready + + Indicates flash is charged. +*/ +bool QDeclarativeCameraFlash::isFlashReady() const +{ + return m_exposure->isFlashReady(); +} + +/*! + \qmlproperty enumeration CameraExposure::flashMode + \property QDeclarativeCameraFlash::flashMode + + \table + \header \o Value \o Description + \row \o Camera.FlashOff \o Flash is Off. + \row \o Camera.FlashOn \o Flash is On. + \row \o Camera.FlashAuto \o Automatic flash. + \row \o Camera.FlashRedEyeReduction \o Red eye reduction flash. + \row \o Camera.FlashFill \o Use flash to fillin shadows. + \row \o Camera.FlashTorch \o Constant light source, useful for focusing and video capture. + \row \o Camera.FlashSlowSyncFrontCurtain + \o Use the flash in conjunction with a slow shutter speed. + This mode allows better exposure of distant objects and/or motion blur effect. + \row \o Camera.FlashSlowSyncRearCurtain + \o The similar mode to FlashSlowSyncFrontCurtain but flash is fired at the end of exposure. + \row \o Camera.FlashManual \o Flash power is manually set. + \endtable + +*/ +int QDeclarativeCameraFlash::flashMode() const +{ + return m_exposure->flashMode(); +} + +void QDeclarativeCameraFlash::setFlashMode(int mode) +{ + if (m_exposure->flashMode() != mode) { + m_exposure->setFlashMode(QCameraExposure::FlashModes(mode)); + emit flashModeChanged(mode); + } +} + +/*! + \qmlsignal CameraExposure::flashModeChanged(int) + \fn void QDeclarativeCameraFlash::flashModeChanged(int) +*/ + +/*! + \qmlsignal CameraExposure::flashReady(bool) + \fn void QDeclarativeCameraFlash::flashReady(bool) +*/ + +QT_END_NAMESPACE + +#include "moc_qdeclarativecameraflash_p.cpp" |