78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.5 2005/02/08 12:43:03 ponchio
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Added copyright
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****************************************************************************/
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#ifndef NXS_BORDERSERVER_H
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#define NXS_BORDERSERVER_H
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#include <list>
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#include <map>
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#include "index_file.h"
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#include "border.h"
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/*nell'header ci sta scritto solo:
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spazio riservato: 2 * sizeof(Link);
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magic: nxb0 (4 bytes)
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offset: (int64) */
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namespace nxs {
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class BorderServer: public IndexFile<Border> {
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public:
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BorderServer(): ram_max(1000000), ram_used(0) {}
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~BorderServer() { Close(); }
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bool Create(const std::string &file);
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bool Load(const std::string &file, bool readonly = true);
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void Close();
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void Flush();
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void AddBorder(unsigned short size, unsigned int used = 0);
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Border &GetBorder(unsigned int border, bool flush = true);
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void ResizeBorder(unsigned int border, unsigned int size);
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unsigned int ram_max;
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unsigned int ram_used;
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protected:
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std::list<unsigned int> pqueue;
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std::map<unsigned int, std::list<unsigned int>::iterator> index;
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bool LoadHeader();
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void SaveHeader();
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void FlushBorder(unsigned int border);
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Link *GetRegion(unsigned int start, unsigned int size); //size in links.
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};
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}
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#endif
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