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Diffstat (limited to 'src/imports/multimedia/qdeclarativetorch.cpp')
| -rw-r--r-- | src/imports/multimedia/qdeclarativetorch.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/imports/multimedia/qdeclarativetorch.cpp b/src/imports/multimedia/qdeclarativetorch.cpp deleted file mode 100644 index 954926b98..000000000 --- a/src/imports/multimedia/qdeclarativetorch.cpp +++ /dev/null @@ -1,180 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** 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 <QDebug> -#include <QMediaService> - -#include "qdeclarativetorch_p.h" - -QT_BEGIN_NAMESPACE - -/*! - \qmltype Torch - \instantiates QDeclarativeTorch - \inqmlmodule QtMultimedia - \brief Simple control over torch functionality. - - \ingroup multimedia_qml - - In many cases the torch hardware is shared with camera flash functionality, - and might be automatically controlled by the device. You have control over - the power level (of course, higher power levels are brighter but reduce - battery life significantly). - - \qml - - Torch { - power: 75 // 75% of full power - enabled: true // On - } - - \endqml -*/ -QDeclarativeTorch::QDeclarativeTorch(QObject *parent) - : QObject(parent) -{ - m_camera = new QCamera(this); - QMediaService *service = m_camera->service(); - - m_exposure = service ? service->requestControl<QCameraExposureControl*>() : 0; - m_flash = service ? service->requestControl<QCameraFlashControl*>() : 0; - - if (m_exposure) - connect(m_exposure, SIGNAL(actualValueChanged(int)), SLOT(parameterChanged(int))); - - // XXX There's no signal for flash mode changed -} - -QDeclarativeTorch::~QDeclarativeTorch() -{ -} - -/*! - \qmlproperty bool QtMultimedia::Torch::enabled - - This property indicates whether the torch is enabled. If the torch functionality is shared - with the camera flash hardware, the camera will take priority - over torch settings and the torch is disabled. -*/ -/*! - \property QDeclarativeTorch::enabled - - This property indicates whether the torch is enabled. If the torch functionality - is shared with the camera flash hardware, the camera will take - priority and the torch is disabled. - */ -bool QDeclarativeTorch::enabled() const -{ - if (!m_flash) - return false; - - return m_flash->flashMode() & QCameraExposure::FlashTorch; -} - - -/*! - If \a on is true, attempt to turn on the torch. - If the torch hardware is already in use by the camera, this will - be ignored. -*/ -void QDeclarativeTorch::setEnabled(bool on) -{ - if (!m_flash) - return; - - QCameraExposure::FlashModes mode = m_flash->flashMode(); - - if (mode & QCameraExposure::FlashTorch) { - if (!on) { - m_flash->setFlashMode(mode & ~QCameraExposure::FlashTorch); - emit enabledChanged(); - } - } else { - if (on) { - m_flash->setFlashMode(mode | QCameraExposure::FlashTorch); - emit enabledChanged(); - } - } -} - -/*! - \qmlproperty int QtMultimedia::Torch::power - - This property holds the current torch power setting, as a percentage of full power. - - In some cases this setting may change automatically as a result - of temperature or battery conditions. -*/ -/*! - \property QDeclarativeTorch::power - - This property holds the current torch power settings, as a percentage of full power. -*/ -int QDeclarativeTorch::power() const -{ - if (!m_exposure) - return 0; - - return m_exposure->requestedValue(QCameraExposureControl::TorchPower).toInt(); -} - -/*! - Sets the current torch power setting to \a power, as a percentage of - full power. -*/ -void QDeclarativeTorch::setPower(int power) -{ - if (!m_exposure) - return; - - power = qBound(0, power, 100); - if (this->power() != power) - m_exposure->setValue(QCameraExposureControl::TorchPower, power); -} - -/* Check for changes in flash power */ -void QDeclarativeTorch::parameterChanged(int parameter) -{ - if (parameter == QCameraExposureControl::FlashPower) { - emit powerChanged(); - } -} - -QT_END_NAMESPACE - |