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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "abstractvideorenderer.h"
#include <QtGui/QApplication>
#include <QtGui/QDesktopWidget>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_PHONON_VIDEO
namespace Phonon
{
namespace DS9
{
AbstractVideoRenderer::AbstractVideoRenderer() :
m_dstX(0), m_dstY(0), m_dstWidth(0), m_dstHeight(0),
m_active(false)
{
}
AbstractVideoRenderer::~AbstractVideoRenderer()
{
}
Filter AbstractVideoRenderer::getFilter() const
{
return m_filter;
}
QSize AbstractVideoRenderer::sizeHint() const
{
QSize s = videoSize();
if (s.isNull()) {
s = QSize(640, 480).boundedTo( QApplication::desktop()->availableGeometry().size() );
}
return s;
}
void AbstractVideoRenderer::setActive(bool b)
{
m_active = b;
}
bool AbstractVideoRenderer::isActive() const
{
return m_active;
}
void AbstractVideoRenderer::internalNotifyResize(const QSize &size, const QSize &videoSize,
Phonon::VideoWidget::AspectRatio aspectRatio, Phonon::VideoWidget::ScaleMode scaleMode)
{
//update the video rects
qreal ratio = -1.;
const int videoWidth = videoSize.width(),
videoHeight = videoSize.height();
switch(aspectRatio)
{
case Phonon::VideoWidget::AspectRatioAuto:
{
//preserve the aspect ratio of the video
ratio = qreal(videoWidth) / qreal(videoHeight);
}
break;
case Phonon::VideoWidget::AspectRatio4_3:
ratio = qreal(4. / 3.);
break;
case Phonon::VideoWidget::AspectRatio16_9:
ratio = qreal(16. / 9.);
break;
case Phonon::VideoWidget::AspectRatioWidget:
default:
break;
}
const qreal realWidth = size.width(),
realHeight = size.height();
//reinitialization
m_dstWidth = size.width();
m_dstHeight = size.height();
m_dstX = m_dstY = 0;
if (ratio > 0) {
if (realWidth / realHeight > ratio && scaleMode == Phonon::VideoWidget::FitInView
|| realWidth / realHeight < ratio && scaleMode == Phonon::VideoWidget::ScaleAndCrop) {
//the height is correct, let's change the width
m_dstWidth = qRound(realHeight * ratio);
m_dstX = qRound((realWidth - realHeight * ratio) / 2.);
} else {
m_dstHeight = qRound(realWidth / ratio);
m_dstY = qRound((realHeight - realWidth / ratio) / 2.);
}
}
}
}
}
#endif //QT_NO_PHONON_EFFECT
QT_END_NAMESPACE
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