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/***************************************************************************
* Copyright 2008 by Anne-Marie Mahfouf <annma@kde.org> *
* Copyright 2008 by Thomas Coopman <thomas.coopman@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. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "picture.h"
#include <QFile>
#include <KGlobalSettings>
#include <KUrl>
#include <KIO/NetAccess>
#include <KIO/Job>
#include <KStandardDirs>
#include <klocalizedstring.h>
#include <Plasma/Theme>
#include <Plasma/Svg>
#ifdef HAVE_KEXIV2
#include <libkexiv2/kexiv2.h>
#endif
Picture::Picture(QObject *parent)
: QObject(parent)
{
m_defaultImage = KGlobal::dirs()->findResource("data", "plasma-applet-frame/picture-frame-default.jpg");
// listen for changes to the file we're displaying
m_fileWatch = new KDirWatch(this);
connect(m_fileWatch,SIGNAL(dirty(QString)),this,SLOT(reload()));
connect(m_fileWatch,SIGNAL(created(QString)),this,SLOT(reload()));
connect(m_fileWatch,SIGNAL(deleted(QString)),this,SLOT(reload()));
}
Picture::~Picture()
{
}
QString Picture::message()
{
return m_message;
}
QPixmap Picture::defaultPicture(const QString &message)
{
// Create a QImage with same axpect ratio of default svg and current pixelSize
kDebug() << "Default Image:" << m_defaultImage;
QPixmap image = QPixmap(m_defaultImage);
m_message = message;
return image;
}
void Picture::setPicture(const KUrl ¤tUrl)
{
m_currentUrl = currentUrl;
QPixmap image;
kDebug() << currentUrl;
if (!m_currentUrl.isEmpty() && !m_currentUrl.isLocalFile()) {
kDebug() << "Not a local file, downloading" << currentUrl;
m_job = KIO::storedGet( currentUrl, KIO::NoReload, KIO::DefaultFlags );
connect(m_job, SIGNAL(finished(KJob*)), this, SLOT(slotFinished(KJob*)));
image = QPixmap(m_defaultImage);
m_message = i18n("Loading image...");
} else {
if (currentUrl.isEmpty()) {
image = QPixmap(m_defaultImage);
m_message = i18nc("Info", "Put your photo here or drop a folder to start a slideshow");
kDebug() << "default image ...";
} else {
image = correctRotation(QPixmap(m_currentUrl.path()), m_currentUrl.path());
setPath(m_currentUrl.path());
m_message.clear();
}
}
emit pictureLoaded(image);
}
KUrl Picture::url()
{
return m_currentUrl;
}
void Picture::setPath(const QString &path)
{
// Now switch the file watch to the new path
if (m_path != path) {
m_fileWatch->removeFile(m_path);
kDebug() << "-" << m_path;
m_path = path;
m_fileWatch->addFile(m_path);
kDebug() << "+" << m_path;
}
}
void Picture::reload()
{
kDebug() << "Picture reload";
emit pictureLoaded(correctRotation(QPixmap(m_path), m_path));
}
QPixmap Picture::correctRotation(const QPixmap& tempImage, const QString &path)
{
kDebug() << path;
QPixmap image = QPixmap();
if (tempImage.isNull()) {
image = defaultPicture(i18nc("Error", "Error loading image"));
} else {
#ifdef HAVE_KEXIV2
KExiv2Iface::KExiv2 exif(path);
QMatrix m;
switch (exif.getImageOrientation()) {
case KExiv2Iface::KExiv2::ORIENTATION_HFLIP: m.scale(-1.0,1.0); image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_180: m.rotate(180); image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_VFLIP: m.scale(1.0,-1.0); image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90: m.rotate(90); image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90_HFLIP: m.rotate(90); m.scale(-1.0,1.0);
image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_90_VFLIP: m.rotate(90); m.scale(1.0,-1.0);
image = tempImage.transformed(m); break;
case KExiv2Iface::KExiv2::ORIENTATION_ROT_270: m.rotate(270); image = tempImage.transformed(m); break;
default: image = tempImage;
}
#else
image = tempImage;
#endif
}
return image;
}
void Picture::slotFinished( KJob *job )
{
QString filename = m_currentUrl.fileName();
QString path = KGlobalSettings::downloadPath() + m_currentUrl.fileName();
QPixmap image;
if (job->error()) {
kDebug() << "Error loading image:" << job->errorString();
image = defaultPicture(i18n("Error loading image: %1", job->errorString()));
} else {
image.loadFromData(m_job->data());
kDebug() << "Successfully downloaded, saving image to" << path;
m_message.clear();
int i = 1;
while (QFile(path).exists()) {
// the file exists, prepend $number- to the filename and count up
QString tmppath = path;
tmppath.replace(filename, QString("%1-%2").arg(QString("%1").arg(i), filename));
if (!QFile(tmppath).exists()) {
path = tmppath;
} else {
i++;
}
}
image.save(path);
kDebug() << "Saved to" << path;
setPath(path);
}
emit pictureLoaded(correctRotation(image, path));
}
void Picture::setMessage(const QString &message)
{
m_message = message;
}
#include "picture.moc"
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