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Diffstat (limited to 'nxcomp/PutImage.h')
| -rwxr-xr-x | nxcomp/PutImage.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/nxcomp/PutImage.h b/nxcomp/PutImage.h new file mode 100755 index 000000000..510d4f220 --- /dev/null +++ b/nxcomp/PutImage.h @@ -0,0 +1,166 @@ +/**************************************************************************/ +/* */ +/* 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 PutImage_H +#define PutImage_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define PUTIMAGE_ENABLE_CACHE 1 +#define PUTIMAGE_ENABLE_DATA 1 +#define PUTIMAGE_ENABLE_SPLIT 1 +#define PUTIMAGE_ENABLE_COMPRESS 1 + +#define PUTIMAGE_DATA_LIMIT 262144 - 24 +#define PUTIMAGE_DATA_OFFSET 24 + +#define PUTIMAGE_CACHE_SLOTS 6000 +#define PUTIMAGE_CACHE_THRESHOLD 70 +#define PUTIMAGE_CACHE_LOWER_THRESHOLD 50 + +#define PUTIMAGE_ENABLE_COMPRESS_IF_PROTO_STEP_7 0 + +#define PUTIMAGE_CACHE_THRESHOLD_IF_PACKED 10 +#define PUTIMAGE_CACHE_LOWER_THRESHOLD_IF_PACKED 5 + +#define PUTIMAGE_CACHE_THRESHOLD_IF_SHADOW 97 +#define PUTIMAGE_CACHE_LOWER_THRESHOLD_IF_SHADOW 90 + +#define PUTIMAGE_ENABLE_SPLIT_IF_PROTO_STEP_8 0 + +// +// The message class. +// + +class PutImageMessage : public Message +{ + friend class PutImageStore; + + public: + + PutImageMessage() + { + } + + ~PutImageMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned char format; + unsigned char depth; + unsigned char left_pad; + unsigned short width; + unsigned short height; + unsigned int drawable; + unsigned int gcontext; + unsigned short pos_x; + unsigned short pos_y; +}; + +class PutImageStore : public MessageStore +{ + public: + + PutImageStore(StaticCompressor *compressor); + + virtual ~PutImageStore(); + + virtual const char *name() const + { + return "PutImage"; + } + + virtual unsigned char opcode() const + { + return X_PutImage; + } + + virtual unsigned int storage() const + { + return sizeof(PutImageMessage); + } + + // + // Message handling methods. + // + + protected: + + virtual Message *create() const + { + return new PutImageMessage(); + } + + virtual Message *create(const Message &message) const + { + return new PutImageMessage((const PutImageMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (PutImageMessage *) message; + } + + virtual int encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, + const unsigned int size, int bigEndian, + ChannelCache *channelCache) const; + + virtual int decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, + unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, + ChannelCache *channelCache) const; + + 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 /* PutImage_H */ |