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qTox/src/video/netcamview.cpp

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/*
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Copyright © 2014-2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
#include "netcamview.h"
#include "camerasource.h"
#include "src/core/core.h"
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#include "src/video/videosurface.h"
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#include "src/widget/tool/movablewidget.h"
#include <QLabel>
#include <QBoxLayout>
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#include <QFrame>
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NetCamView::NetCamView(int friendId, QWidget* parent)
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: GenericNetCamView(parent)
, selfFrame{nullptr}
{
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videoSurface = new VideoSurface(friendId, this);
videoSurface->setMinimumHeight(256);
videoSurface->setContentsMargins(6, 6, 6, 6);
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verLayout->insertWidget(0, videoSurface, 1);
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selfVideoSurface = new VideoSurface(-1, this, true);
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selfVideoSurface->setObjectName(QStringLiteral("CamVideoSurface"));
selfVideoSurface->setMouseTracking(true);
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selfVideoSurface->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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selfFrame = new MovableWidget(videoSurface);
selfFrame->show();
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QHBoxLayout* frameLayout = new QHBoxLayout(selfFrame);
frameLayout->addWidget(selfVideoSurface);
frameLayout->setMargin(0);
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updateRatio();
connect(selfVideoSurface, &VideoSurface::ratioChanged, this, &NetCamView::updateRatio);
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connect(videoSurface, &VideoSurface::boundaryChanged, [this]()
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{
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QRect boundingRect = videoSurface->getBoundingRect();
updateFrameSize(boundingRect.size());
selfFrame->setBoundary(boundingRect);
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});
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connect(videoSurface, &VideoSurface::ratioChanged, [this]()
{
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selfFrame->setMinimumWidth(selfFrame->minimumHeight() * selfVideoSurface->getRatio());
QRect boundingRect = videoSurface->getBoundingRect();
updateFrameSize(boundingRect.size());
selfFrame->resetBoundary(boundingRect);
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});
}
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void NetCamView::show(VideoSource *source, const QString &title)
{
setSource(source);
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selfVideoSurface->setSource(&CameraSource::getInstance());
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setTitle(title);
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QWidget::show();
}
void NetCamView::hide()
{
setSource(nullptr);
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selfVideoSurface->setSource(nullptr);
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if (selfFrame)
selfFrame->deleteLater();
selfFrame = nullptr;
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QWidget::hide();
}
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void NetCamView::setSource(VideoSource *s)
{
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videoSurface->setSource(s);
}
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void NetCamView::setTitle(const QString &title)
{
setWindowTitle(title);
}
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void NetCamView::showEvent(QShowEvent *event)
{
selfFrame->resetBoundary(videoSurface->getBoundingRect());
}
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void NetCamView::updateRatio()
{
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selfFrame->setMinimumWidth(selfFrame->minimumHeight() * selfVideoSurface->getRatio());
selfFrame->setRatio(selfVideoSurface->getRatio());
}
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void NetCamView::updateFrameSize(QSize size)
{
selfFrame->setMaximumSize(size.height() / 3, size.width() / 3);
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if (selfFrame->maximumWidth() > selfFrame->maximumHeight())
selfFrame->setMaximumWidth(selfFrame->maximumHeight() * selfVideoSurface->getRatio());
else
selfFrame->setMaximumHeight(selfFrame->maximumWidth() / selfVideoSurface->getRatio());
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}