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Diffstat (limited to 'src/multimedia/platform/android/mediacapture/qandroidcamerafocuscontrol.cpp')
| -rw-r--r-- | src/multimedia/platform/android/mediacapture/qandroidcamerafocuscontrol.cpp | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/src/multimedia/platform/android/mediacapture/qandroidcamerafocuscontrol.cpp b/src/multimedia/platform/android/mediacapture/qandroidcamerafocuscontrol.cpp deleted file mode 100644 index d95941430..000000000 --- a/src/multimedia/platform/android/mediacapture/qandroidcamerafocuscontrol.cpp +++ /dev/null @@ -1,283 +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 "qandroidcamerafocuscontrol_p.h" - -#include "qandroidcamerasession_p.h" -#include "androidcamera_p.h" - -#include "qandroidmultimediautils_p.h" -#include <qmath.h> - -QT_BEGIN_NAMESPACE - -static QRect adjustedArea(const QRectF &area) -{ - // Qt maps focus points in the range (0.0, 0.0) -> (1.0, 1.0) - // Android maps focus points in the range (-1000, -1000) -> (1000, 1000) - // Converts an area in Qt coordinates to Android coordinates - return QRect(-1000 + qRound(area.x() * 2000), - -1000 + qRound(area.y() * 2000), - qRound(area.width() * 2000), - qRound(area.height() * 2000)) - .intersected(QRect(-1000, -1000, 2000, 2000)); -} - -QAndroidCameraFocusControl::QAndroidCameraFocusControl(QAndroidCameraSession *session) - : QPlatformCameraFocus() - , m_session(session) - , m_focusMode(QCamera::FocusModeAuto) - , m_focusPoint(0.5, 0.5) - , m_continuousPictureFocusSupported(false) - , m_continuousVideoFocusSupported(false) -{ - connect(m_session, SIGNAL(opened()), - this, SLOT(onCameraOpened())); -} - -QCamera::FocusMode QAndroidCameraFocusControl::focusMode() const -{ - return m_focusMode; -} - -void QAndroidCameraFocusControl::setFocusMode(QCamera::FocusMode mode) -{ - if (!m_session->camera()) { - setFocusModeHelper(mode); - return; - } - - if (isFocusModeSupported(mode)) { - QString focusMode; - - switch (mode) { - case QCamera::FocusModeHyperfocal: - focusMode = QLatin1String("edof"); - break; - case QCamera::FocusModeInfinity: // not 100%, but close - focusMode = QLatin1String("infinity"); - break; - case QCamera::FocusModeManual: - focusMode = QLatin1String("fixed"); - break; - case QCamera::FocusModeAutoNear: - focusMode = QLatin1String("macro"); - break; - case QCamera::FocusModeAuto: - case QCamera::FocusModeAutoFar: - if (1) { // ###? - focusMode = QLatin1String("continuous-video"); - } else { - focusMode = QLatin1String("continuous-picture"); - } - break; - } - - m_session->camera()->setFocusMode(focusMode); - - // reset focus position - m_session->camera()->cancelAutoFocus(); - - setFocusModeHelper(mode); - } -} - -bool QAndroidCameraFocusControl::isFocusModeSupported(QCamera::FocusMode mode) const -{ - return m_session->camera() ? m_supportedFocusModes.contains(mode) : false; -} - -bool QAndroidCameraFocusControl::isCustomFocusPointSupported() const -{ - return m_focusPointSupported; -} - -QPointF QAndroidCameraFocusControl::focusPoint() const -{ - return m_focusPoint; -} - -void QAndroidCameraFocusControl::setCustomFocusPoint(const QPointF &point) -{ - if (m_focusPoint != point) { - m_focusPoint = point; - emit customFocusPointChanged(m_focusPoint); - } - - if (m_session->camera()) - setCameraFocusArea(); -} - -void QAndroidCameraFocusControl::onCameraOpened() -{ - connect(m_session->camera(), SIGNAL(previewSizeChanged()), - this, SLOT(onViewportSizeChanged())); - connect(m_session->camera(), SIGNAL(autoFocusStarted()), - this, SLOT(onAutoFocusStarted())); - connect(m_session->camera(), SIGNAL(autoFocusComplete(bool)), - this, SLOT(onAutoFocusComplete(bool))); - - m_supportedFocusModes.clear(); - m_continuousPictureFocusSupported = false; - m_continuousVideoFocusSupported = false; - m_focusPointSupported = false; - - QStringList focusModes = m_session->camera()->getSupportedFocusModes(); - for (int i = 0; i < focusModes.size(); ++i) { - const QString &focusMode = focusModes.at(i); - if (focusMode == QLatin1String("continuous-picture")) { - m_supportedFocusModes << QCamera::FocusModeAuto; - m_continuousPictureFocusSupported = true; - } else if (focusMode == QLatin1String("continuous-video")) { - m_supportedFocusModes << QCamera::FocusModeAuto; - m_continuousVideoFocusSupported = true; - } else if (focusMode == QLatin1String("edof")) { - m_supportedFocusModes << QCamera::FocusModeHyperfocal; - } else if (focusMode == QLatin1String("fixed")) { - m_supportedFocusModes << QCamera::FocusModeManual; - } else if (focusMode == QLatin1String("infinity")) { - m_supportedFocusModes << QCamera::FocusModeInfinity; - } else if (focusMode == QLatin1String("macro")) { - m_supportedFocusModes << QCamera::FocusModeAutoNear; - } - } - - if (m_session->camera()->getMaxNumFocusAreas() > 0) - m_focusPointSupported = true; - - if (!m_supportedFocusModes.contains(m_focusMode)) - setFocusModeHelper(QCamera::FocusModeAuto); - - setFocusMode(m_focusMode); - setCustomFocusPoint(m_focusPoint); - - if (m_session->camera()->isZoomSupported()) { - m_zoomRatios = m_session->camera()->getZoomRatios(); - qreal maxZoom = m_zoomRatios.last() / qreal(100); - if (m_maximumZoom != maxZoom) { - m_maximumZoom = maxZoom; - } - zoomTo(1, -1); - } else { - m_zoomRatios.clear(); - m_maximumZoom = 1.0; - } -} - -void QAndroidCameraFocusControl::setCameraFocusArea() -{ - QList<QRect> areas; - if (QRectF(0., 0., 1., 1.).contains(m_focusPoint)) { - // in FocusPointAuto mode, leave the area list empty - // to let the driver choose the focus point. - QSize viewportSize = m_session->camera()->previewSize(); - - if (!viewportSize.isValid()) - return; - - // Set up a 50x50 pixel focus area around the focal point - QSizeF focusSize(50.f / viewportSize.width(), 50.f / viewportSize.height()); - float x = qBound(qreal(0), - m_focusPoint.x() - (focusSize.width() / 2), - 1.f - focusSize.width()); - float y = qBound(qreal(0), - m_focusPoint.y() - (focusSize.height() / 2), - 1.f - focusSize.height()); - - QRectF area(QPointF(x, y), focusSize); - - areas.append(adjustedArea(area)); - } - m_session->camera()->setFocusAreas(areas); -} - -void QAndroidCameraFocusControl::onViewportSizeChanged() -{ - setCameraFocusArea(); -} - -void QAndroidCameraFocusControl::onCameraCaptureModeChanged() -{ -// if (m_session->camera() && m_focusMode == QCamera::FocusModeAudio) { -// QString focusMode; -// if ((m_session->captureMode().testFlag(QCamera::CaptureVideo) && m_continuousVideoFocusSupported) -// || !m_continuousPictureFocusSupported) { -// focusMode = QLatin1String("continuous-video"); -// } else { -// focusMode = QLatin1String("continuous-picture"); -// } -// m_session->camera()->setFocusMode(focusMode); -// m_session->camera()->cancelAutoFocus(); -// } -} - -void QAndroidCameraFocusControl::onAutoFocusStarted() -{ -} - -void QAndroidCameraFocusControl::onAutoFocusComplete(bool /*success*/) -{ -} - - -QAndroidCameraFocusControl::ZoomRange QAndroidCameraFocusControl::zoomFactorRange() const -{ - return { 1., m_maximumZoom }; -} - -void QAndroidCameraFocusControl::zoomTo(float factor, float rate) -{ - Q_UNUSED(rate); - - if (!qFuzzyCompare(m_requestedZoom, factor)) { - m_requestedZoom = factor; - } - - if (m_session->camera()) { - factor = qBound(qreal(1), factor, m_maximumZoom); - int validZoomIndex = qt_findClosestValue(m_zoomRatios, qRound(factor * 100)); - float newZoom = m_zoomRatios.at(validZoomIndex) / qreal(100); - if (!qFuzzyCompare(m_currentZoom, newZoom)) { - m_session->camera()->setZoom(validZoomIndex); - m_currentZoom = newZoom; - } - } -} - -QT_END_NAMESPACE |