File indexing completed on 2024-04-28 04:31:54

 /*
  * 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 background image to be used as an overlay on a canvas for
  * the purpose of tracing.
  */
 
 // Class include
 #include "BackgroundImage.h"
 
 // Qt includes
 #include <QDataStream>
 
 // KF5 includes
 #include <KLocalizedString>
 
 // Application includes
 #include "Exceptions.h"
 
 BackgroundImage::BackgroundImage(const QUrl &url, const QRect &location)
     : m_url(url)
     , m_location(location)
     , m_visible(true)
 {
     m_status = m_image.load(m_url.path());
 
     if (m_status) {
         generateIcon();
     }
 }
 
 const QUrl &BackgroundImage::url() const
 {
     return m_url;
 }
 
 const QRect &BackgroundImage::location() const
 {
     return m_location;
 }
 
 bool BackgroundImage::isVisible() const
 {
     return m_visible;
 }
 
 bool BackgroundImage::isValid() const
 {
     return m_status;
 }
 
 const QImage &BackgroundImage::image() const
 {
     return m_image;
 }
 
 const QIcon &BackgroundImage::icon() const
 {
     return m_icon;
 }
 
 void BackgroundImage::setLocation(const QRect &location)
 {
     m_location = location;
 }
 
 void BackgroundImage::setVisible(bool visible)
 {
     m_visible = visible;
 }
 
 void BackgroundImage::generateIcon()
 {
     m_icon = QPixmap::fromImage(m_image).scaled(64, 64, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 }
 
 QDataStream &operator<<(QDataStream &stream, const BackgroundImage &backgroundImage)
 {
     stream << qint32(backgroundImage.version);
     stream << backgroundImage.m_url;
     stream << backgroundImage.m_location;
     stream << backgroundImage.m_visible;
     stream << backgroundImage.m_status;
     stream << backgroundImage.m_image;
     return stream;
 }
 
 QDataStream &operator>>(QDataStream &stream, BackgroundImage &backgroundImage)
 {
     qint32 version;
 
     stream >> version;
 
     switch (version) {
     case 101:
         stream >> backgroundImage.m_url;
         stream >> backgroundImage.m_location;
         stream >> backgroundImage.m_visible;
         stream >> backgroundImage.m_status;
         stream >> backgroundImage.m_image;
         backgroundImage.generateIcon();
         break;
 
     case 100:
         stream >> backgroundImage.m_url;
         stream >> backgroundImage.m_location;
         stream >> backgroundImage.m_visible;
         stream >> backgroundImage.m_status;
         stream >> backgroundImage.m_image;
         stream >> backgroundImage.m_icon;
         break;
 
     default:
         throw InvalidFileVersion(QString(i18n("Background image version %1", version)));
         break;
     }
 
     return stream;
 }