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/* This file is part of the KDE project. |
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|
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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|
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This library is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 2.1 or 3 of the License. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public License |
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along with this library. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#include "abstractvideorenderer.h" |
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|
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#include <QtGui/QApplication> |
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#include <QtGui/QDesktopWidget> |
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|
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QT_BEGIN_NAMESPACE |
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|
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#ifndef QT_NO_PHONON_VIDEO |
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|
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namespace Phonon |
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{ |
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namespace DS9 |
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{ |
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|
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AbstractVideoRenderer::AbstractVideoRenderer() : |
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m_dstX(0), m_dstY(0), m_dstWidth(0), m_dstHeight(0), |
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m_active(false) |
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{ |
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} |
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|
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AbstractVideoRenderer::~AbstractVideoRenderer() |
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{ |
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} |
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|
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Filter AbstractVideoRenderer::getFilter() const |
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{ |
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return m_filter; |
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} |
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|
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QSize AbstractVideoRenderer::sizeHint() const |
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{ |
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QSize s = videoSize(); |
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if (s.isNull()) { |
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s = QSize(640, 480).boundedTo( QApplication::desktop()->availableGeometry().size() ); |
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} |
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return s; |
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} |
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|
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void AbstractVideoRenderer::setActive(bool b) |
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{ |
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m_active = b; |
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} |
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|
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bool AbstractVideoRenderer::isActive() const |
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{ |
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return m_active; |
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} |
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|
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void AbstractVideoRenderer::internalNotifyResize(const QSize &size, const QSize &videoSize, |
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Phonon::VideoWidget::AspectRatio aspectRatio, Phonon::VideoWidget::ScaleMode scaleMode) |
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{ |
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//update the video rects |
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qreal ratio = -1.; |
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const int videoWidth = videoSize.width(), |
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videoHeight = videoSize.height(); |
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|
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switch(aspectRatio) |
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{ |
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case Phonon::VideoWidget::AspectRatioAuto: |
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{ |
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//preserve the aspect ratio of the video |
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ratio = qreal(videoWidth) / qreal(videoHeight); |
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} |
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break; |
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case Phonon::VideoWidget::AspectRatio4_3: |
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ratio = qreal(4. / 3.); |
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break; |
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case Phonon::VideoWidget::AspectRatio16_9: |
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ratio = qreal(16. / 9.); |
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break; |
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case Phonon::VideoWidget::AspectRatioWidget: |
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default: |
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break; |
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} |
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|
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const qreal realWidth = size.width(), |
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realHeight = size.height(); |
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|
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//reinitialization |
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m_dstWidth = size.width(); |
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m_dstHeight = size.height(); |
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m_dstX = m_dstY = 0; |
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|
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if (ratio > 0) { |
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if ((realWidth / realHeight > ratio && scaleMode == Phonon::VideoWidget::FitInView) |
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|| (realWidth / realHeight < ratio && scaleMode == Phonon::VideoWidget::ScaleAndCrop)) { |
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//the height is correct, let's change the width |
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m_dstWidth = qRound(realHeight * ratio); |
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m_dstX = qRound((realWidth - realHeight * ratio) / 2.); |
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} else { |
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m_dstHeight = qRound(realWidth / ratio); |
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m_dstY = qRound((realHeight - realWidth / ratio) / 2.); |
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} |
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} |
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} |
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} |
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} |
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|
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#endif //QT_NO_PHONON_EFFECT |
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|
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QT_END_NAMESPACE |
