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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of NoMachine S.r.l. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef ClearArea_H
#define ClearArea_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define CLEARAREA_ENABLE_CACHE 1
#define CLEARAREA_ENABLE_DATA 0
#define CLEARAREA_ENABLE_SPLIT 0
#define CLEARAREA_ENABLE_COMPRESS 0
#define CLEARAREA_DATA_LIMIT 0
#define CLEARAREA_DATA_OFFSET 16
#define CLEARAREA_CACHE_SLOTS 3000
#define CLEARAREA_CACHE_THRESHOLD 5
#define CLEARAREA_CACHE_LOWER_THRESHOLD 1
//
// The message class.
//
class ClearAreaMessage : public Message
{
friend class ClearAreaStore;
public:
ClearAreaMessage()
{
}
~ClearAreaMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned char exposures;
unsigned int window;
unsigned short x;
unsigned short y;
unsigned short width;
unsigned short height;
};
class ClearAreaStore : public MessageStore
{
//
// Constructors and destructors.
//
public:
ClearAreaStore() : MessageStore()
{
enableCache = CLEARAREA_ENABLE_CACHE;
enableData = CLEARAREA_ENABLE_DATA;
enableSplit = CLEARAREA_ENABLE_SPLIT;
enableCompress = CLEARAREA_ENABLE_COMPRESS;
dataLimit = CLEARAREA_DATA_LIMIT;
dataOffset = CLEARAREA_DATA_OFFSET;
cacheSlots = CLEARAREA_CACHE_SLOTS;
cacheThreshold = CLEARAREA_CACHE_THRESHOLD;
cacheLowerThreshold = CLEARAREA_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
virtual ~ClearAreaStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
virtual const char *name() const
{
return "ClearArea";
}
virtual unsigned char opcode() const
{
return X_ClearArea;
}
virtual unsigned int storage() const
{
return sizeof(ClearAreaMessage);
}
//
// Message handling methods.
//
public:
virtual Message *create() const
{
return new ClearAreaMessage();
}
virtual Message *create(const Message &message) const
{
return new ClearAreaMessage((const ClearAreaMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (ClearAreaMessage *) message;
}
virtual int parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual int unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void dumpIdentity(const Message *message) const;
};
#endif /* ClearArea_H */
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