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Diffstat (limited to 'nxcomp/FillPoly.h')
| -rw-r--r-- | nxcomp/FillPoly.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/nxcomp/FillPoly.h b/nxcomp/FillPoly.h new file mode 100644 index 000000000..f33968494 --- /dev/null +++ b/nxcomp/FillPoly.h @@ -0,0 +1,198 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2010 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 Medialogic S.p.A. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +#ifndef FillPoly_H +#define FillPoly_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define FILLPOLY_ENABLE_CACHE 1 +#define FILLPOLY_ENABLE_DATA 0 +#define FILLPOLY_ENABLE_SPLIT 0 +#define FILLPOLY_ENABLE_COMPRESS 0 + +#define FILLPOLY_DATA_LIMIT 512 +#define FILLPOLY_DATA_OFFSET 16 + +#define FILLPOLY_CACHE_SLOTS 2000 +#define FILLPOLY_CACHE_THRESHOLD 3 +#define FILLPOLY_CACHE_LOWER_THRESHOLD 1 + +#define FILLPOLY_DATA_OFFSET_IF_PROTO_STEP_8 20 + +// +// The message class. +// + +class FillPolyMessage : public Message +{ + friend class FillPolyStore; + + public: + + FillPolyMessage() + { + } + + ~FillPolyMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned char shape; + unsigned char mode; + unsigned int drawable; + unsigned int gcontext; + + unsigned short x_origin; + unsigned short y_origin; +}; + +class FillPolyStore : public MessageStore +{ + // + // Constructors and destructors. + // + + public: + + FillPolyStore() : MessageStore() + { + enableCache = FILLPOLY_ENABLE_CACHE; + enableData = FILLPOLY_ENABLE_DATA; + enableSplit = FILLPOLY_ENABLE_SPLIT; + enableCompress = FILLPOLY_ENABLE_COMPRESS; + + dataLimit = FILLPOLY_DATA_LIMIT; + dataOffset = FILLPOLY_DATA_OFFSET; + + if (control -> isProtoStep8() == 1) + { + dataOffset = FILLPOLY_DATA_OFFSET_IF_PROTO_STEP_8; + } + + cacheSlots = FILLPOLY_CACHE_SLOTS; + cacheThreshold = FILLPOLY_CACHE_THRESHOLD; + cacheLowerThreshold = FILLPOLY_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; + } + + virtual ~FillPolyStore() + { + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); + } + + virtual const char *name() const + { + return "FillPoly"; + } + + virtual unsigned char opcode() const + { + return X_FillPoly; + } + + virtual unsigned int storage() const + { + return sizeof(FillPolyMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new FillPolyMessage(); + } + + virtual Message *create(const Message &message) const + { + return new FillPolyMessage((const FillPolyMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (FillPolyMessage *) message; + } + + virtual int identitySize(const unsigned char *buffer, unsigned int size) + { + unsigned int offset = (control -> isProtoStep8() == 1 ? + FILLPOLY_DATA_OFFSET_IF_PROTO_STEP_8 : + FILLPOLY_DATA_OFFSET); + + return (size >= offset ? offset : size); + } + + 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 updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const; + + virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) 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 /* FillPoly_H */ |