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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "File.h"
#include "PixmapEngine.h"
#include "XmlOptions.h"
#include <QFileInfo>
//__________________________________________________________
PixmapEngine& PixmapEngine::get()
{
//! singleton
static PixmapEngine singleton_;
return singleton_;
}
//__________________________________________________________
PixmapEngine::PixmapEngine():
Counter( "PixmapEngine" )
{ Debug::Throw( "PixmapEngine::PixmapEngine.\n" ); }
//__________________________________________________________
bool PixmapEngine::reload()
{
Debug::Throw( "PixmapEngine::reload.\n" );
// load path from options
auto pathList( XmlOptions::get().specialOptions<File>( "PIXMAP_PATH" ) );
if( pathList == pixmapPath_ ) return false;
pixmapPath_ = pathList;
for( auto&& iter = cache_.begin(); iter != cache_.end(); ++iter )
{ cache_[iter.key()] = _get( iter.key(), false ); }
return true;
}
//__________________________________________________________
const QPixmap& PixmapEngine::_get( const QString& file, bool fromCache )
{
Debug::Throw( "PixmapEngine::_get (file).\n" );
// try find file in cache
if( fromCache )
{
Base::PixmapCache::iterator iter( cache_.find( file ) );
if( iter != cache_.end() ) return iter.value();
}
// create output
QPixmap out;
if( QFileInfo( file ).isAbsolute() ) { out = QPixmap( file ); }
else {
if( pixmapPath_.empty() ) pixmapPath_ = XmlOptions::get().specialOptions<File>( "PIXMAP_PATH" );
for( const auto& path:pixmapPath_ )
{
// skip empty path
if( path.isEmpty() ) continue;
// prepare filename
File pixmapFile;
// see if path is internal resource path
if( path.startsWith( ':' ) ) pixmapFile = File( file ).addPath( path );
else pixmapFile = File( path ).find( File( file ) );
// load pixmap
if( !pixmapFile.isEmpty() )
{
out.load( pixmapFile );
if( !out.isNull() ) break;
}
}
}
return cache_.insert( file, out ).value();
}
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