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/*
* Copyright 2008 Arthur Renato Mello <arthur@mandriva.com>
* Copyright 2008 Gustavo Pichorim Boiko <boiko@mandriva.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 3 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <QFileInfo>
#include <QPainter>
#include <QPixmap>
#include <QSvgRenderer>
#include <kiconloader.h>
#include <KStandardDirs>
#include <KConfig>
#include <KConfigGroup>
#include "imageloader.h"
ImageLoader::ImageLoader()
{
}
ImageLoader::~ImageLoader()
{
}
void ImageLoader::setCachePrefix(const QString &cachePrefix)
{
m_cachePath = cachePrefix
+ "/"
+ QString("%1X%2/").arg(m_targetSize.width())
.arg(m_targetSize.height())
+ "/";
}
QSize ImageLoader::getSVGSize(const QString &p_file)
{
QSvgRenderer svg(p_file);
return svg.defaultSize();
}
void ImageLoader::setBaseSize(const QSize &s)
{
m_baseSize = s;
}
void ImageLoader::setTargetSize(const QSize &s)
{
m_targetSize = s;
}
loadedPixmap ImageLoader::loadPixmap(const QString &p_filename, const QSize &p_size, const QPoint &p_pos)
{
loadedPixmap ret;
QString file;
QStringList list = p_filename.split(":", QString::SkipEmptyParts);
if(list.isEmpty())
return ret;
file = list.at(0);
QString item;
if(list.size() > 1)
item = list.at(1);
QFileInfo fileInfo(file);
QString fileCache = p_filename.right((p_filename.size()
- p_filename.lastIndexOf("/")) - 1);
fileCache += ".png";
QString confFile = KGlobal::dirs()->findResource("data", m_cachePath
+ "Cache.rc");
if(!confFile.isEmpty())
{
KConfig cfg(confFile, KConfig::SimpleConfig);
if(cfg.hasGroup(fileCache))
{
KConfigGroup group = cfg.group(fileCache);
QString pixmap = group.readEntry("Path", QString());
QPoint pos = group.readEntry("Position", QPoint());
QDateTime modified = group.readEntry("Modified", QDateTime());
if( !pixmap.isEmpty() &&
!pos.isNull() &&
modified.isValid() &&
fileInfo.lastModified() <= modified)
{
ret.pixmap.load(pixmap);
ret.pos = pos;
return ret;
}
}
}
if(p_size.isValid())
ret.pixmap = QPixmap(p_size);
ret.pos = p_pos;
if(file.endsWith(".svg")) //.svgz not working correctly
{
QSvgRenderer svg(file);
QSize svgSize = svg.defaultSize();
if(!item.isEmpty())
{
QRect rect = svg.boundsOnElement(item).toRect();
if(!m_targetSize.isEmpty())
{
QMatrix matrix;
matrix.scale(((double)m_targetSize.width() / svgSize.width()),
((double)m_targetSize.height() / svgSize.height()));
rect = matrix.mapRect(rect);
}
if(!p_size.isValid())
ret.pixmap = QPixmap(rect.size());
if(p_pos.isNull())
ret.pos = rect.topLeft();
}
else if(!p_size.isValid())
ret.pixmap = QPixmap(svgSize);
ret.pixmap.fill(Qt::transparent);
QPainter p(&ret.pixmap);
if(!item.isEmpty())
svg.render(&p, item);
else
svg.render(&p);
}
else
{
ret.pixmap.load(file);
if(p_size.isValid() && p_size != ret.pixmap.size())
{
if(p_size.isValid())
ret.pixmap = ret.pixmap.scaled(p_size, Qt::KeepAspectRatio,
Qt::SmoothTransformation);
}
}
QString cache = KGlobal::dirs()->locateLocal("data", m_cachePath);
KConfig cfg(cache + "Cache.rc", KConfig::SimpleConfig);
KConfigGroup group = cfg.group(fileCache);
group.writeEntry("Path", cache + fileCache);
group.writeEntry("Position", ret.pos);
group.writeEntry("Modified", fileInfo.lastModified());
ret.pixmap.save(cache + fileCache, "PNG");
return ret;
}
QPixmap ImageLoader::loadBackground(const QString &p_background)
{
return loadPixmap(p_background, m_targetSize).pixmap;
}
loadedPixmap ImageLoader::loadItem(const QString &p_item, QPoint p_pos, const bool &p_useIconSet)
{
loadedPixmap ret;
if(!p_pos.isNull())
{
if(!m_baseSize.isEmpty() && !m_targetSize.isEmpty())
{
QMatrix matrix;
matrix.scale(((double)m_targetSize.width() / m_baseSize.width()),
((double)m_targetSize.height() / m_baseSize.height()));
p_pos = matrix.map(p_pos);
}
}
if(p_useIconSet)
{
ret.pixmap = DesktopIcon(p_item);
ret.pos = p_pos;
return ret;
}
ret = loadPixmap(p_item, QSize(), p_pos);
return ret;
}
QRect ImageLoader::loadStatusRect(const QString &p_status)
{
loadedPixmap pix = loadPixmap(p_status);
return(QRect(pix.pos, pix.pixmap.size()));
}
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