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Diffstat (limited to 'src/imports/multimedia/qdeclarativecamera.cpp')
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diff --git a/src/imports/multimedia/qdeclarativecamera.cpp b/src/imports/multimedia/qdeclarativecamera.cpp deleted file mode 100644 index 71b3b06..0000000 --- a/src/imports/multimedia/qdeclarativecamera.cpp +++ /dev/null @@ -1,580 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 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 "qdeclarativecamerapreviewprovider_p.h" - -#include "qdeclarativecameraexposure_p.h" -#include "qdeclarativecameraflash_p.h" -#include "qdeclarativecamerafocus_p.h" -#include "qdeclarativecameraimageprocessing_p.h" - -#include <qmediaplayercontrol.h> -#include <qmediaservice.h> -#include <qvideorenderercontrol.h> -#include <QtDeclarative/qdeclarativeinfo.h> - -#include <QtCore/QTimer> -#include <QtGui/qevent.h> - -QT_BEGIN_NAMESPACE - -void QDeclarativeCamera::_q_error(int errorCode, const QString &errorString) -{ - emit error(Error(errorCode), errorString); - emit errorChanged(); -} - -void QDeclarativeCamera::_q_updateState(QCamera::State state) -{ - emit cameraStateChanged(QDeclarativeCamera::State(state)); -} - -/*! - \qmlclass Camera QDeclarativeCamera - \since 4.7 - \brief The Camera element allows you to add camera viewfinder to a scene. - \ingroup qml-multimedia - \inherits Item - - This element is part of the \bold{QtMultimedia 4.0} module. - - \qml - import Qt 4.7 - import QtMultimedia 4.0 - - Camera { - id: camera - - imageProcessing.whiteBalanceMode: CameraImageProcessing.WhiteBalanceFlash - - exposure { - exposureCompensation: -1.0 - exposureMode: Camera.ExposurePortrait - } - - flash.mode: Camera.FlashRedEyeReduction - - onImageCaptured : { - photoPreview.source = preview // Show the preview in an Image element - } - } - - VideoOutput { - source: camera - focus : visible // to receive focus and capture key events when visible - } - - Image { - id: photoPreview - } - \endqml - - You can use the \c Camera element to capture images from a camera, and manipulate the capture and - processing settings that get applied to the image. -*/ - -/*! - \class QDeclarativeCamera - \brief The QDeclarativeCamera class provides a camera item that you can add to a QDeclarativeView. -*/ - -/*! - Construct a declarative camera object using \a parent object. - */ -QDeclarativeCamera::QDeclarativeCamera(QObject *parent) : - QObject(parent), - m_camera(0), - m_pendingState(ActiveState), - m_componentComplete(false) -{ - m_camera = new QCamera(this); - - m_imageCapture = new QDeclarativeCameraCapture(m_camera, this); - m_videoRecorder = new QDeclarativeCameraRecorder(m_camera, this); - m_exposure = new QDeclarativeCameraExposure(m_camera, this); - m_flash = new QDeclarativeCameraFlash(m_camera, this); - m_focus = new QDeclarativeCameraFocus(m_camera, this); - m_imageProcessing = new QDeclarativeCameraImageProcessing(m_camera, this); - - connect(m_camera, SIGNAL(captureModeChanged(QCamera::CaptureMode)), this, SIGNAL(captureModeChanged())); - connect(m_camera, SIGNAL(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)), this, SIGNAL(lockStatusChanged())); - connect(m_camera, SIGNAL(stateChanged(QCamera::State)), this, SLOT(_q_updateState(QCamera::State))); - - connect(m_camera->focus(), SIGNAL(opticalZoomChanged(qreal)), this, SIGNAL(opticalZoomChanged(qreal))); - connect(m_camera->focus(), SIGNAL(digitalZoomChanged(qreal)), this, SIGNAL(digitalZoomChanged(qreal))); - connect(m_camera->focus(), SIGNAL(maximumOpticalZoomChanged(qreal)), this, SIGNAL(maximumOpticalZoomChanged(qreal))); - connect(m_camera->focus(), SIGNAL(maximumDigitalZoomChanged(qreal)), this, SIGNAL(maximumDigitalZoomChanged(qreal))); -} - -/*! Destructor, clean up memory */ -QDeclarativeCamera::~QDeclarativeCamera() -{ - m_camera->unload(); -} - -void QDeclarativeCamera::classBegin() -{ -} - -void QDeclarativeCamera::componentComplete() -{ - m_componentComplete = true; - setCameraState(m_pendingState); -} - -/*! - Returns any camera error. - \sa QDeclarativeError::Error -*/ -QDeclarativeCamera::Error QDeclarativeCamera::error() const -{ - return QDeclarativeCamera::Error(m_camera->error()); -} - -/*! - \qmlproperty string Camera::errorString - - A description of the current error, if any. -*/ -QString QDeclarativeCamera::errorString() const -{ - return m_camera->errorString(); -} - -QDeclarativeCamera::CaptureMode QDeclarativeCamera::captureMode() const -{ - return QDeclarativeCamera::CaptureMode(m_camera->captureMode()); -} - -void QDeclarativeCamera::setCaptureMode(QDeclarativeCamera::CaptureMode mode) -{ - m_camera->setCaptureMode(QCamera::CaptureMode(mode)); -} - - -/*! - \qmlproperty enumeration Camera::cameraState - - The current state of the camera object. - - \table - \header \o Value \o Description - \row \o UnloadedState - \o The initial camera state, with camera not loaded, - the camera capabilities except of supported capture modes - are unknown. - While the supported settings are unknown in this state, - it's allowed to set the camera capture settings like codec, - resolution, or frame rate. - - \row \o LoadedState - \o The camera is loaded and ready to be configured. - - In the Idle state it's allowed to query camera capabilities, - set capture resolution, codecs, etc. - - The viewfinder is not active in the loaded state. - - \row \o ActiveState - \o In the active state as soon as camera is started - the viewfinder displays video frames and the - camera is ready for capture. - \endtable - - The default camera state is ActiveState. -*/ -/*! - \enum QDeclarativeCamera::State - \value UnloadedState - The initial camera state, with camera not loaded, - the camera capabilities except of supported capture modes - are unknown. - While the supported settings are unknown in this state, - it's allowed to set the camera capture settings like codec, - resolution, or frame rate. - - \value LoadedState - The camera is loaded and ready to be configured. - In the Idle state it's allowed to query camera capabilities, - set capture resolution, codecs, etc. - The viewfinder is not active in the loaded state. - - \value ActiveState - In the active state as soon as camera is started - the viewfinder displays video frames and the - camera is ready for capture. -*/ - -QDeclarativeCamera::State QDeclarativeCamera::cameraState() const -{ - return m_componentComplete ? QDeclarativeCamera::State(m_camera->state()) : m_pendingState; -} - -void QDeclarativeCamera::setCameraState(QDeclarativeCamera::State state) -{ - if (!m_componentComplete) { - m_pendingState = state; - return; - } - - switch (state) { - case QDeclarativeCamera::ActiveState: - m_camera->start(); - break; - case QDeclarativeCamera::UnloadedState: - m_camera->unload(); - break; - case QDeclarativeCamera::LoadedState: - m_camera->load(); - break; - } -} - -/*! - \qmlmethod Camera::start() - \fn QDeclarativeCamera::start() - - Starts the camera. -*/ -void QDeclarativeCamera::start() -{ - setCameraState(QDeclarativeCamera::ActiveState); -} - -/*! - \qmlmethod Camera::stop() - \fn QDeclarativeCamera::stop() - - Stops the camera. -*/ -void QDeclarativeCamera::stop() -{ - setCameraState(QDeclarativeCamera::LoadedState); -} - - -/*! - \qmlproperty enumeration Camera::lockStatus - - The overall status for all the requested camera locks. - - \table - \header \o Value \o Description - \row \o Unlocked - \o The application is not interested in camera settings value. - The camera may keep this parameter without changes, this is common with camera focus, - or adjust exposure and white balance constantly to keep the viewfinder image nice. - - \row \o Searching - \o The application has requested the camera focus, exposure or white balance lock with - searchAndLock(). This state indicates the camera is focusing or calculating exposure and white balance. - - \row \o Locked - \o The camera focus, exposure or white balance is locked. - The camera is ready to capture, application may check the exposure parameters. - - The locked state usually means the requested parameter stays the same, - except in the cases when the parameter is requested to be constantly updated. - For example in continuous focusing mode, the focus is considered locked as long - and the object is in focus, even while the actual focusing distance may be constantly changing. - \endtable -*/ -/*! - \property QDeclarativeCamera::lockStatus - - The overall status for all the requested camera locks. - - \table - \header \o Value \o Description - \row \o Unlocked - \o The application is not interested in camera settings value. - The camera may keep this parameter without changes, this is common with camera focus, - or adjust exposure and white balance constantly to keep the viewfinder image nice. - - \row \o Searching - \o The application has requested the camera focus, exposure or white balance lock with - searchAndLock(). This state indicates the camera is focusing or calculating exposure and white balance. - - \row \o Locked - \o The camera focus, exposure or white balance is locked. - The camera is ready to capture, application may check the exposure parameters. - - The locked state usually means the requested parameter stays the same, - except in the cases when the parameter is requested to be constantly updated. - For example in continuous focusing mode, the focus is considered locked as long - and the object is in focus, even while the actual focusing distance may be constantly changing. - \endtable -*/ -/*! - \enum QDeclarativeCamera::LockStatus - \value Unlocked - The application is not interested in camera settings value. - The camera may keep this parameter without changes, this is common with camera focus, - or adjust exposure and white balance constantly to keep the viewfinder image nice. - - \value Searching - The application has requested the camera focus, exposure or white balance lock with - searchAndLock(). This state indicates the camera is focusing or calculating exposure and white balance. - - \value Locked - The camera focus, exposure or white balance is locked. - The camera is ready to capture, application may check the exposure parameters. - - The locked state usually means the requested parameter stays the same, - except in the cases when the parameter is requested to be constantly updated. - For example in continuous focusing mode, the focus is considered locked as long - and the object is in focus, even while the actual focusing distance may be constantly changing. -*/ -QDeclarativeCamera::LockStatus QDeclarativeCamera::lockStatus() const -{ - return QDeclarativeCamera::LockStatus(m_camera->lockStatus()); -} - -/*! - \qmlmethod Camera::searchAndLock() - \fn QDeclarativeCamera::searchAndLock() - - Start focusing, exposure and white balance calculation. - If the camera has keyboard focus, searchAndLock() is called - automatically when the camera focus button is pressed. -*/ -void QDeclarativeCamera::searchAndLock() -{ - m_camera->searchAndLock(); -} - -/*! - \qmlmethod Camera::unlock() - \fn QDeclarativeCamera::unlock() - - Unlock focus. - - If the camera has keyboard focus, unlock() is called automatically - when the camera focus button is released. - */ -void QDeclarativeCamera::unlock() -{ - m_camera->unlock(); -} - -/*! - \qmlproperty real Camera::maximumOpticalZoom - \property QDeclarativeCamera::maximumOpticalZoom - - The maximum optical zoom factor, or 1.0 if optical zoom is not supported. -*/ -qreal QDeclarativeCamera::maximumOpticalZoom() const -{ - return m_camera->focus()->maximumOpticalZoom(); -} - -/*! - \qmlproperty real Camera::maximumDigitalZoom - \property QDeclarativeCamera::maximumDigitalZoom - - The maximum digital zoom factor, or 1.0 if digital zoom is not supported. -*/ -qreal QDeclarativeCamera::maximumDigitalZoom() const -{ - return m_camera->focus()->maximumDigitalZoom(); -} - -/*! - \qmlproperty real Camera::opticalZoom - \property QDeclarativeCamera::opticalZoom - - The current optical zoom factor. -*/ -qreal QDeclarativeCamera::opticalZoom() const -{ - return m_camera->focus()->opticalZoom(); -} - -void QDeclarativeCamera::setOpticalZoom(qreal value) -{ - m_camera->focus()->zoomTo(value, digitalZoom()); -} - -/*! - \qmlproperty real Camera::digitalZoom - \property QDeclarativeCamera::digitalZoom - - The current digital zoom factor. -*/ -qreal QDeclarativeCamera::digitalZoom() const -{ - return m_camera->focus()->digitalZoom(); -} - -void QDeclarativeCamera::setDigitalZoom(qreal value) -{ - m_camera->focus()->zoomTo(opticalZoom(), value); -} - - -/*! - \qmlsignal Camera::onError(error, errorString) - - - This handler is called when an error occurs. The enumeration value \a error is one of the - values defined below, and a descriptive string value is available in \a errorString. - - \table - \header \o Value \o Description - \row \o NoError \o No errors have occurred. - \row \o CameraError \o An error has occurred. - \row \o InvalidRequestError \o System resource doesn't support requested functionality. - \row \o ServiceMissingError \o No camera service available. - \row \o NotSupportedFeatureError \o The feature is not supported. - \endtable -*/ - -/*! - \fn void QDeclarativeCamera::lockStatusChanged() - - \qmlsignal Camera::lockStatusChanged() -*/ - -/*! - \fn void QDeclarativeCamera::stateChanged(QDeclarativeCamera::State) - - \qmlsignal Camera::stateChanged(Camera::State) -*/ - -/*! - \fn void QDeclarativeCamera::imageCaptured(const QString &) - - \qmlsignal Camera::imageCaptured(string) -*/ - -/*! - \fn void QDeclarativeCamera::imageSaved(const QString &) - - \qmlsignal Camera::imageSaved(string) -*/ - -/*! - \fn void QDeclarativeCamera::error(QDeclarativeCamera::Error , const QString &) - - \qmlsignal Camera::error(Camera::Error, string) -*/ - -/*! - \fn void QDeclarativeCamera::errorChanged() - -*/ -/*! - \qmlsignal Camera::errorChanged() -*/ - -/*! - \fn void QDeclarativeCamera::isoSensitivityChanged(int) -*/ -/*! - \qmlsignal Camera::isoSensitivityChanged(int) -*/ - -/*! - \fn void QDeclarativeCamera::apertureChanged(qreal) - - \qmlsignal Camera::apertureChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera::shutterSpeedChanged(qreal) - -*/ -/*! - \qmlsignal Camera::shutterSpeedChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera::exposureCompensationChanged(qreal) - -*/ -/*! - \qmlsignal Camera::exposureCompensationChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera:opticalZoomChanged(qreal zoom) - - Optical zoom changed to \a zoom. -*/ -/*! - \qmlsignal Camera::opticalZoomChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera::digitalZoomChanged(qreal) - - \qmlsignal Camera::digitalZoomChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera::maximumOpticalZoomChanged(qreal) - - \qmlsignal Camera::maximumOpticalZoomChanged(real) -*/ - -/*! - \fn void QDeclarativeCamera::maximumDigitalZoomChanged(qreal) - - \qmlsignal Camera::maximumDigitalZoomChanged(real) -*/ - - -/*! - \fn void QDeclarativeCamera::captureResolutionChanged(const QSize &) - - \qmlsignal Camera::captureResolutionChanged(Item) -*/ - -/*! - \fn QDeclarativeCamera::cameraStateChanged(QDeclarativeCamera::State) - -*/ - - -QT_END_NAMESPACE - -#include "moc_qdeclarativecamera_p.cpp" |