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gcs-nf/opmap/core/memorycache.cpp
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2019-12-31 18:56:34 +08:00
/**
******************************************************************************
*
* @file memorycache.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
* @brief
* @see The GNU Public License (GPL) Version 3
* @defgroup OPMapWidget
* @{
*
*****************************************************************************/
/*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "memorycache.h"
// TODO add readwrite lock
namespace core {
MemoryCache::MemoryCache()
{}
QByteArray MemoryCache::GetTileFromMemoryCache(const RawTile &tile)
{
kiberCacheLock.lockForRead();
QByteArray pic;
pic = TilesInMemory.cachequeue.value(tile);
// TilesInMemory.find(key,&pic);
kiberCacheLock.unlock();
return pic;
}
void MemoryCache::AddTileToMemoryCache(const RawTile &tile, const QByteArray &pic)
{
kiberCacheLock.lockForWrite();
// QPixmapCache::Key key=TilesInMemory.insert(pic);
TilesInMemory.memoryCacheSize += pic.size();
#ifdef DEBUG_MEMORY_CACHE
qDebug() << "Current memory=" << TilesInMemory.memoryCacheSize << " in " << TilesInMemory.cachequeue.count() << " tiles";
#endif
TilesInMemory.cachequeue.insert(tile, pic);
TilesInMemory.list.enqueue(tile);
kiberCacheLock.unlock();
}
}