File indexing completed on 2024-04-21 04:32:02

 /*
  * Copyright (C) 2010-2015 by Stephen Allewell
  * steve.allewell@gmail.com
  *
  * This program is free 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 2 of the License, or
  * (at your option) any later version.
  */
 
 /** @file
  * This file implements a collection of background images to be used as overlays on
  * a canvas for the purpose of tracing.
  */
 
 // Class include
 #include "BackgroundImages.h"
 
 // Qt includes
 #include <QDataStream>
 
 // KF5 includes
 #include <KLocalizedString>
 
 // Application includes
 #include "BackgroundImage.h"
 #include "Exceptions.h"
 
 void BackgroundImages::clear()
 {
     m_backgroundImages.clear();
 }
 
 QListIterator<QSharedPointer<BackgroundImage>> BackgroundImages::backgroundImages()
 {
     return QListIterator<QSharedPointer<BackgroundImage>>(m_backgroundImages);
 }
 
 void BackgroundImages::addBackgroundImage(QSharedPointer<BackgroundImage> backgroundImage)
 {
     m_backgroundImages.append(backgroundImage);
 }
 
 bool BackgroundImages::removeBackgroundImage(QSharedPointer<BackgroundImage> backgroundImage)
 {
     return m_backgroundImages.removeOne(backgroundImage);
 }
 
 QRect BackgroundImages::fitBackgroundImage(QSharedPointer<BackgroundImage> backgroundImage, const QRect &rectangle)
 {
     QRect oldRectangle = backgroundImage->location();
     backgroundImage->setLocation(rectangle);
 
     return oldRectangle;
 }
 
 bool BackgroundImages::showBackgroundImage(QSharedPointer<BackgroundImage> backgroundImage, bool show)
 {
     bool shown = backgroundImage->isVisible();
     backgroundImage->setVisible(show);
 
     return shown;
 }
 
 QDataStream &operator<<(QDataStream &stream, const BackgroundImages &backgroundImages)
 {
     stream << qint32(backgroundImages.version);
     stream << qint32(backgroundImages.m_backgroundImages.count());
 
     for (auto backgroundImage : backgroundImages.m_backgroundImages) {
         stream << *backgroundImage;
     }
 
     if (stream.status() != QDataStream::Ok) {
         throw FailedWriteFile(stream.status());
     }
 
     return stream;
 }
 
 QDataStream &operator>>(QDataStream &stream, BackgroundImages &backgroundImages)
 {
     qint32 version;
     qint32 backgroundImageCount;
 
     stream >> version;
 
     switch (version) {
     case 100:
         stream >> backgroundImageCount;
 
         while (backgroundImageCount--) {
             QSharedPointer<BackgroundImage> backgroundImage(new BackgroundImage);
             stream >> *backgroundImage;
             backgroundImages.m_backgroundImages.append(backgroundImage);
         }
 
         break;
 
     default:
         throw InvalidFileVersion(QString(i18n("Background images version %1", version)));
         break;
     }
 
     if (stream.status() != QDataStream::Ok) {
         throw FailedReadFile(stream.status());
     }
 
     return stream;
 }