File indexing completed on 2024-10-06 07:36:07

 // SPDX-FileCopyrightText: 2023 James Graham <james.h.graham@protonmail.com>
 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 #include "mediasizehelper.h"
 
 #include "neochatconfig.h"
 
 MediaSizeHelper::MediaSizeHelper(QObject *parent)
     : QObject(parent)
 {
 }
 
 qreal MediaSizeHelper::contentMaxWidth() const
 {
     return m_contentMaxWidth;
 }
 
 void MediaSizeHelper::setContentMaxWidth(qreal contentMaxWidth)
 {
     if (contentMaxWidth < 0.0 || qFuzzyCompare(contentMaxWidth, 0.0)) {
         m_contentMaxWidth = -1.0;
         Q_EMIT contentMaxWidthChanged();
         Q_EMIT currentSizeChanged();
         return;
     }
     if (qFuzzyCompare(contentMaxWidth, m_contentMaxWidth)) {
         return;
     }
     m_contentMaxWidth = contentMaxWidth;
     Q_EMIT contentMaxWidthChanged();
     Q_EMIT currentSizeChanged();
 }
 
 qreal MediaSizeHelper::contentMaxHeight() const
 {
     return m_contentMaxHeight;
 }
 
 void MediaSizeHelper::setContentMaxHeight(qreal contentMaxHeight)
 {
     if (contentMaxHeight < 0.0 || qFuzzyCompare(contentMaxHeight, 0.0)) {
         m_contentMaxHeight = -1.0;
         Q_EMIT contentMaxHeightChanged();
         Q_EMIT currentSizeChanged();
         return;
     }
     if (qFuzzyCompare(contentMaxHeight, m_contentMaxHeight)) {
         return;
     }
     m_contentMaxHeight = contentMaxHeight;
     Q_EMIT contentMaxHeightChanged();
     Q_EMIT currentSizeChanged();
 }
 
 qreal MediaSizeHelper::mediaWidth() const
 {
     return m_mediaWidth;
 }
 
 void MediaSizeHelper::setMediaWidth(qreal mediaWidth)
 {
     if (mediaWidth < 0.0 || qFuzzyCompare(mediaWidth, 0.0)) {
         m_mediaWidth = -1.0;
         Q_EMIT mediaWidthChanged();
         Q_EMIT currentSizeChanged();
         return;
     }
     if (qFuzzyCompare(mediaWidth, m_mediaWidth)) {
         return;
     }
     m_mediaWidth = mediaWidth;
     Q_EMIT mediaWidthChanged();
     Q_EMIT currentSizeChanged();
 }
 
 qreal MediaSizeHelper::mediaHeight() const
 {
     return m_mediaHeight;
 }
 
 void MediaSizeHelper::setMediaHeight(qreal mediaHeight)
 {
     if (mediaHeight < 0.0 || qFuzzyCompare(mediaHeight, 0.0)) {
         m_mediaHeight = -1.0;
         Q_EMIT mediaHeightChanged();
         Q_EMIT currentSizeChanged();
         return;
     }
     if (qFuzzyCompare(mediaHeight, m_mediaHeight)) {
         return;
     }
     m_mediaHeight = mediaHeight;
     Q_EMIT mediaHeightChanged();
     Q_EMIT currentSizeChanged();
 }
 
 qreal MediaSizeHelper::resolvedMediaWidth() const
 {
     if (m_mediaWidth > 0.0) {
         return m_mediaWidth;
     }
     return widthLimit();
 }
 
 qreal MediaSizeHelper::resolvedMediaHeight() const
 {
     if (m_mediaHeight > 0.0) {
         return m_mediaHeight;
     }
     return widthLimit() / 16.0 * 9.0;
 }
 
 qreal MediaSizeHelper::aspectRatio() const
 {
     return resolvedMediaWidth() / resolvedMediaHeight();
 }
 
 bool MediaSizeHelper::limitWidth() const
 {
     // If actual data isn't available we'll be using a placeholder that is width
     // limited so return true.
     if (m_mediaWidth < 0.0 || m_mediaHeight < 0.0) {
         return true;
     }
     return m_mediaWidth >= m_mediaHeight;
 }
 
 qreal MediaSizeHelper::widthLimit() const
 {
     if (m_contentMaxWidth < 0.0) {
         return NeoChatConfig::self()->mediaMaxWidth();
     }
     return std::min(m_contentMaxWidth, qreal(NeoChatConfig::self()->mediaMaxWidth()));
 }
 
 qreal MediaSizeHelper::heightLimit() const
 {
     if (m_contentMaxHeight < 0.0) {
         return NeoChatConfig::self()->mediaMaxHeight();
     }
     return std::min(m_contentMaxHeight, qreal(NeoChatConfig::self()->mediaMaxHeight()));
 }
 
 QSize MediaSizeHelper::currentSize() const
 {
     if (limitWidth()) {
         qreal width = std::min(widthLimit(), resolvedMediaWidth());
         qreal height = width / aspectRatio();
         if (height > heightLimit()) {
             return QSize(qRound(heightLimit() * aspectRatio()), qRound(heightLimit()));
         }
         return QSize(qRound(width), qRound(height));
     } else {
         qreal height = std::min(heightLimit(), resolvedMediaHeight());
         qreal width = height * aspectRatio();
         if (width > widthLimit()) {
             return QSize(qRound(widthLimit()), qRound(widthLimit() / aspectRatio()));
         }
         return QSize(qRound(width), qRound(height));
     }
 }
 
 #include "moc_mediasizehelper.cpp"