diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinzoom.cpp')
-rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinzoom.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinzoom.cpp b/src/plugins/gstreamer/camerabin/camerabinzoom.cpp deleted file mode 100644 index 401e13207..000000000 --- a/src/plugins/gstreamer/camerabin/camerabinzoom.cpp +++ /dev/null @@ -1,147 +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 "camerabinzoom.h" -#include "camerabinsession.h" - -#define ZOOM_PROPERTY "zoom" -#define MAX_ZOOM_PROPERTY "max-zoom" - -QT_BEGIN_NAMESPACE - -CameraBinZoom::CameraBinZoom(CameraBinSession *session) - : QCameraZoomControl(session) - , m_session(session) - , m_requestedOpticalZoom(1.0) - , m_requestedDigitalZoom(1.0) -{ - GstElement *camerabin = m_session->cameraBin(); - g_signal_connect(G_OBJECT(camerabin), "notify::zoom", G_CALLBACK(updateZoom), this); - g_signal_connect(G_OBJECT(camerabin), "notify::max-zoom", G_CALLBACK(updateMaxZoom), this); -} - -CameraBinZoom::~CameraBinZoom() -{ -} - -qreal CameraBinZoom::maximumOpticalZoom() const -{ - return 1.0; -} - -qreal CameraBinZoom::maximumDigitalZoom() const -{ - gfloat zoomFactor = 1.0; - g_object_get(GST_BIN(m_session->cameraBin()), MAX_ZOOM_PROPERTY, &zoomFactor, NULL); - return zoomFactor; -} - -qreal CameraBinZoom::requestedDigitalZoom() const -{ - return m_requestedDigitalZoom; -} - -qreal CameraBinZoom::requestedOpticalZoom() const -{ - return m_requestedOpticalZoom; -} - -qreal CameraBinZoom::currentOpticalZoom() const -{ - return 1.0; -} - -qreal CameraBinZoom::currentDigitalZoom() const -{ - gfloat zoomFactor = 1.0; - g_object_get(GST_BIN(m_session->cameraBin()), ZOOM_PROPERTY, &zoomFactor, NULL); - return zoomFactor; -} - -void CameraBinZoom::zoomTo(qreal optical, qreal digital) -{ - qreal oldDigitalZoom = currentDigitalZoom(); - - if (m_requestedDigitalZoom != digital) { - m_requestedDigitalZoom = digital; - emit requestedDigitalZoomChanged(digital); - } - - if (m_requestedOpticalZoom != optical) { - m_requestedOpticalZoom = optical; - emit requestedOpticalZoomChanged(optical); - } - - digital = qBound(qreal(1.0), digital, maximumDigitalZoom()); - g_object_set(GST_BIN(m_session->cameraBin()), ZOOM_PROPERTY, digital, NULL); - - qreal newDigitalZoom = currentDigitalZoom(); - if (!qFuzzyCompare(oldDigitalZoom, newDigitalZoom)) - emit currentDigitalZoomChanged(digital); -} - -void CameraBinZoom::updateZoom(GObject *o, GParamSpec *p, gpointer d) -{ - Q_UNUSED(p); - - gfloat zoomFactor = 1.0; - g_object_get(o, ZOOM_PROPERTY, &zoomFactor, NULL); - - CameraBinZoom *zoom = reinterpret_cast<CameraBinZoom *>(d); - - QMetaObject::invokeMethod(zoom, "currentDigitalZoomChanged", - Qt::QueuedConnection, - Q_ARG(qreal, zoomFactor)); -} - -void CameraBinZoom::updateMaxZoom(GObject *o, GParamSpec *p, gpointer d) -{ - Q_UNUSED(p); - - gfloat zoomFactor = 1.0; - g_object_get(o, MAX_ZOOM_PROPERTY, &zoomFactor, NULL); - - CameraBinZoom *zoom = reinterpret_cast<CameraBinZoom *>(d); - - QMetaObject::invokeMethod(zoom, "maximumDigitalZoomChanged", - Qt::QueuedConnection, - Q_ARG(qreal, zoomFactor)); -} - -QT_END_NAMESPACE |