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Diffstat (limited to 'src/plugins/symbian/ecam/s60camerafocuscontrol.cpp')
| -rw-r--r-- | src/plugins/symbian/ecam/s60camerafocuscontrol.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/plugins/symbian/ecam/s60camerafocuscontrol.cpp b/src/plugins/symbian/ecam/s60camerafocuscontrol.cpp new file mode 100644 index 000000000..a7941ce20 --- /dev/null +++ b/src/plugins/symbian/ecam/s60camerafocuscontrol.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** 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 Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qstring.h> + +#include "s60camerafocuscontrol.h" +#include "s60cameraservice.h" +#include "s60imagecapturesession.h" +#include "s60cameraconstants.h" + +S60CameraFocusControl::S60CameraFocusControl(QObject *parent) : + QCameraFocusControl(parent) +{ +} + +S60CameraFocusControl::S60CameraFocusControl(S60ImageCaptureSession *session, QObject *parent) : + QCameraFocusControl(parent), + m_session(0), + m_service(0), + m_advancedSettings(0), + m_isFocusLocked(false), + m_opticalZoomValue(KDefaultOpticalZoom), + m_digitalZoomValue(KDefaultDigitalZoom), + m_focusMode(KDefaultFocusMode) +{ + m_session = session; + + connect(m_session, SIGNAL(advancedSettingChanged()), this, SLOT(resetAdvancedSetting())); + m_advancedSettings = m_session->advancedSettings(); + + TRAPD(err, m_session->doSetZoomFactorL(m_opticalZoomValue, m_digitalZoomValue)); + if (err) + m_session->setError(KErrNotSupported, tr("Setting default zoom factors failed.")); +} + +S60CameraFocusControl::~S60CameraFocusControl() +{ +} + +QCameraFocus::FocusMode S60CameraFocusControl::focusMode() const +{ + return m_focusMode; +} + +void S60CameraFocusControl::setFocusMode(QCameraFocus::FocusMode mode) +{ + if (isFocusModeSupported(mode)) { + // FocusMode and FocusRange are set. Focusing is triggered by setting + // the corresponding FocusType active by calling searchAndLock in LocksControl. + m_focusMode = mode; + if (m_advancedSettings) + m_advancedSettings->setFocusMode(m_focusMode); + else + m_session->setError(KErrGeneral, tr("Unable to set focus mode before camera is started.")); + } else { + m_session->setError(KErrNotSupported, tr("Requested focus mode is not supported.")); + } +} + +bool S60CameraFocusControl::isFocusModeSupported(QCameraFocus::FocusMode mode) const +{ + if (m_advancedSettings) { + return m_advancedSettings->supportedFocusModes() & mode; + } else { + if (mode == QCameraFocus::AutoFocus) + return m_session->isFocusSupported(); + } + + return false; +} + +qreal S60CameraFocusControl::maximumOpticalZoom() const +{ + return m_session->maximumZoom(); +} + +qreal S60CameraFocusControl::maximumDigitalZoom() const +{ + return m_session->maxDigitalZoom(); +} + +qreal S60CameraFocusControl::opticalZoom() const +{ + return m_session->opticalZoomFactor(); +} + +qreal S60CameraFocusControl::digitalZoom() const +{ + return m_session->digitalZoomFactor(); +} + +void S60CameraFocusControl::zoomTo(qreal optical, qreal digital) +{ + TRAPD(err, m_session->doSetZoomFactorL(optical, digital)); + if (err) + m_session->setError(KErrNotSupported, tr("Requested zoom factor is not supported.")); + + // Query new values + if (m_opticalZoomValue != m_session->opticalZoomFactor()) { + m_opticalZoomValue = m_session->opticalZoomFactor(); + emit opticalZoomChanged(m_opticalZoomValue); + } + if (m_digitalZoomValue != m_session->digitalZoomFactor()) { + m_digitalZoomValue = m_session->digitalZoomFactor(); + emit digitalZoomChanged(m_digitalZoomValue); + } +} + +void S60CameraFocusControl::resetAdvancedSetting() +{ + m_advancedSettings = m_session->advancedSettings(); +} + +QCameraFocus::FocusPointMode S60CameraFocusControl::focusPointMode() const +{ + // Not supported in Symbian + return QCameraFocus::FocusPointAuto; +} + +void S60CameraFocusControl::setFocusPointMode(QCameraFocus::FocusPointMode mode) +{ + if (mode != QCameraFocus::FocusPointAuto) + m_session->setError(KErrNotSupported, tr("Requested focus point mode is not supported.")); +} + +bool S60CameraFocusControl::isFocusPointModeSupported(QCameraFocus::FocusPointMode mode) const +{ + // Not supported in Symbian + if (mode == QCameraFocus::FocusPointAuto) + return true; + else + return false; +} + +QPointF S60CameraFocusControl::customFocusPoint() const +{ + // Not supported in Symbian, return image center + return QPointF(0.5, 0.5); +} + +void S60CameraFocusControl::setCustomFocusPoint(const QPointF &point) +{ + // Not supported in Symbian + Q_UNUSED(point); + m_session->setError(KErrNotSupported, tr("Setting custom focus point is not supported.")); +} + +QCameraFocusZoneList S60CameraFocusControl::focusZones() const +{ + // Not supported in Symbian + return QCameraFocusZoneList(); // Return empty list +} + +// End of file + |