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Diffstat (limited to 'nxcomp/GetImage.h')
| -rw-r--r-- | nxcomp/GetImage.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/nxcomp/GetImage.h b/nxcomp/GetImage.h new file mode 100644 index 000000000..f48fb9079 --- /dev/null +++ b/nxcomp/GetImage.h @@ -0,0 +1,182 @@ +/**************************************************************************/ +/* */ +/* 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 GetImage_H +#define GetImage_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define GETIMAGE_ENABLE_CACHE 1 +#define GETIMAGE_ENABLE_DATA 0 +#define GETIMAGE_ENABLE_SPLIT 0 +#define GETIMAGE_ENABLE_COMPRESS 0 + +#define GETIMAGE_DATA_LIMIT 0 +#define GETIMAGE_DATA_OFFSET 20 + +#define GETIMAGE_CACHE_SLOTS 200 +#define GETIMAGE_CACHE_THRESHOLD 1 +#define GETIMAGE_CACHE_LOWER_THRESHOLD 0 + +// +// The message class. +// + +class GetImageMessage : public Message +{ + friend class GetImageStore; + + public: + + GetImageMessage() + { + } + + ~GetImageMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned char format; + unsigned int drawable; + unsigned short int x; + unsigned short int y; + unsigned short int width; + unsigned short int height; + unsigned int plane_mask; +}; + +class GetImageStore : public MessageStore +{ + // + // Constructors and destructors. + // + + public: + + GetImageStore() : MessageStore() + { + enableCache = GETIMAGE_ENABLE_CACHE; + enableData = GETIMAGE_ENABLE_DATA; + enableSplit = GETIMAGE_ENABLE_SPLIT; + enableCompress = GETIMAGE_ENABLE_COMPRESS; + + dataLimit = GETIMAGE_DATA_LIMIT; + dataOffset = GETIMAGE_DATA_OFFSET; + + cacheSlots = GETIMAGE_CACHE_SLOTS; + cacheThreshold = GETIMAGE_CACHE_THRESHOLD; + cacheLowerThreshold = GETIMAGE_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; + } + + virtual ~GetImageStore() + { + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); + } + + virtual const char *name() const + { + return "GetImage"; + } + + virtual unsigned char opcode() const + { + return X_GetImage; + } + + virtual unsigned int storage() const + { + return sizeof(GetImageMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new GetImageMessage(); + } + + virtual Message *create(const Message &message) const + { + return new GetImageMessage((const GetImageMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (GetImageMessage *) 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 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 /* GetImage_H */ |