qTox/src/video/netcamview.cpp

/*
    Copyright © 2014 by The qTox Project

    This file is part of qTox, a Qt-based graphical interface for Tox.

    qTox is libre software: you can redistribute it and/or modify
    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,
    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.

    You should have received a copy of the GNU General Public License
    along with qTox.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "netcamview.h"
#include "src/core/core.h"
#include "src/video/videosurface.h"
#include <QLabel>
#include <QHBoxLayout>
#include "src/widget/tool/movablewidget.h"
#include "camerasource.h"

NetCamView::NetCamView(QWidget* parent)
    : QWidget(parent)
    , mainLayout(new QHBoxLayout())
{
    setLayout(mainLayout);
    setWindowTitle(tr("Tox video"));
    setMinimumSize(320,240);

    videoSurface = new VideoSurface(this);

    mainLayout->addWidget(videoSurface);

    selfFrame = new MovableWidget(videoSurface);
    selfFrame->setStyleSheet("background-color: red;");
    selfFrame->show();

    selfVideoSurface = new VideoSurface(selfFrame);
    selfVideoSurface->setObjectName(QStringLiteral("CamVideoSurface"));
    selfVideoSurface->setMinimumSize(QSize(160, 120));
    selfVideoSurface->setSource(&CameraSource::getInstance());
    QHBoxLayout* camLayout = new QHBoxLayout(selfFrame);
    camLayout->addWidget(selfVideoSurface);
    camLayout->setMargin(0);

    connect(&CameraSource::getInstance(), &CameraSource::deviceOpened, this, &NetCamView::updateSize);
}

void NetCamView::show(VideoSource *source, const QString &title)
{
    setSource(source);
    setTitle(title);
    selfFrame->setBoundary(videoSurface->getRect());

    QWidget::show();
}

void NetCamView::hide()
{
    setSource(nullptr);

    QWidget::hide();
}

void NetCamView::setSource(VideoSource *s)
{
    videoSurface->setSource(s);
}

void NetCamView::setTitle(const QString &title)
{
    setWindowTitle(title);
}

void NetCamView::resizeEvent(QResizeEvent* event)
{
    QWidget::resizeEvent(event);
    updateSize();
}

void NetCamView::updateSize()
{
    QSize frameSize = selfVideoSurface->getFrameSize();
    float ratio = frameSize.width() / static_cast<float>(frameSize.height());
    QRect videoRect = videoSurface->getRect();
    int frameHeight = videoRect.height() / 3.0f;
    selfFrame->resize(frameHeight * ratio, frameHeight);
    selfFrame->setBoundary(videoRect);
    selfVideoSurface->resize(selfFrame->size());
}