From 3e924126b56c4d421e8263d25f6b14aa4ceed047 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Sun, 13 Nov 2011 09:27:51 +0100 Subject: Imported nxcomp-3.1.0-4.tar.gz Summary: Imported nxcomp-3.1.0-4.tar.gz Keywords: Imported nxcomp-3.1.0-4.tar.gz into Git repository --- nxcomp/CreatePixmapCompat.cpp | 272 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 272 insertions(+) create mode 100755 nxcomp/CreatePixmapCompat.cpp (limited to 'nxcomp/CreatePixmapCompat.cpp') diff --git a/nxcomp/CreatePixmapCompat.cpp b/nxcomp/CreatePixmapCompat.cpp new file mode 100755 index 000000000..91c736397 --- /dev/null +++ b/nxcomp/CreatePixmapCompat.cpp @@ -0,0 +1,272 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +#include "CreatePixmapCompat.h" + +#include "ClientCache.h" + +#include "EncodeBuffer.h" +#include "DecodeBuffer.h" + +#include "WriteBuffer.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +// +// Constructors and destructors. +// + +CreatePixmapCompatStore::CreatePixmapCompatStore() + + : MessageStore() +{ + enableCache = CREATEPIXMAP_ENABLE_CACHE; + enableData = CREATEPIXMAP_ENABLE_DATA; + enableSplit = CREATEPIXMAP_ENABLE_SPLIT; + enableCompress = CREATEPIXMAP_ENABLE_COMPRESS; + + dataLimit = CREATEPIXMAP_DATA_LIMIT; + dataOffset = CREATEPIXMAP_DATA_OFFSET; + + cacheSlots = CREATEPIXMAP_CACHE_SLOTS; + cacheThreshold = CREATEPIXMAP_CACHE_THRESHOLD; + cacheLowerThreshold = CREATEPIXMAP_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; +} + +CreatePixmapCompatStore::~CreatePixmapCompatStore() +{ + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); +} + +// +// Here are the methods to handle messages' content. +// + +int CreatePixmapCompatStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, + const unsigned int size, int bigEndian, + ChannelCache *channelCache) const +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeCachedValue(*(buffer + 1), 8, + clientCache -> depthCache); + + encodeBuffer.encodeDiffCachedValue(GetULONG(buffer + 4, bigEndian), + clientCache -> createPixmapLastId, 29, + clientCache -> createPixmapIdCache, 4); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), + clientCache -> drawableCache); + + encodeBuffer.encodeCachedValue(GetUINT(buffer + 12, bigEndian), 16, + clientCache -> createPixmapXCache, 8); + + encodeBuffer.encodeCachedValue(GetUINT(buffer + 14, bigEndian), 16, + clientCache -> createPixmapYCache, 8); + + #ifdef TEST + *logofs << name() << ": Encoded message. Size is " + << size << ".\n" << logofs_flush; + #endif + + return 1; +} + +int CreatePixmapCompatStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, + unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, + ChannelCache *channelCache) const +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned char cValue; + unsigned int value; + + size = 16; + + buffer = writeBuffer -> addMessage(size); + + decodeBuffer.decodeCachedValue(cValue, 8, + clientCache -> depthCache); + + *(buffer + 1) = cValue; + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> createPixmapLastId, 29, + clientCache -> createPixmapIdCache, 4); + + PutULONG(value, buffer + 4, bigEndian); + + decodeBuffer.decodeXidValue(value, + clientCache -> drawableCache); + + PutULONG(value, buffer + 8, bigEndian); + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> createPixmapXCache, 8); + + PutUINT(value, buffer + 12, bigEndian); + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> createPixmapYCache, 8); + + PutUINT(value, buffer + 14, bigEndian); + + #ifdef TEST + *logofs << name() << ": Decoded message. Size is " + << size << ".\n" << logofs_flush; + #endif + + return 1; +} + +int CreatePixmapCompatStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CreatePixmapCompatMessage *createPixmap = (CreatePixmapCompatMessage *) message; + + createPixmap -> depth = *(buffer + 1); + + createPixmap -> id = GetULONG(buffer + 4, bigEndian); + createPixmap -> drawable = GetULONG(buffer + 8, bigEndian); + + createPixmap -> width = GetUINT(buffer + 12, bigEndian); + createPixmap -> height = GetUINT(buffer + 14, bigEndian); + + #ifdef TEST + *logofs << name() << ": Parsed identity. Size is " + << createPixmap -> size_ << " identity is " + << createPixmap -> i_size_ << ".\n" + << logofs_flush; + #endif + + return 1; +} + +int CreatePixmapCompatStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + CreatePixmapCompatMessage *createPixmap = (CreatePixmapCompatMessage *) message; + + *(buffer + 1) = createPixmap -> depth; + + PutULONG(createPixmap -> id, buffer + 4, bigEndian); + PutULONG(createPixmap -> drawable, buffer + 8, bigEndian); + + PutUINT(createPixmap -> width, buffer + 12, bigEndian); + PutUINT(createPixmap -> height, buffer + 14, bigEndian); + + #ifdef TEST + *logofs << name() << ": Unparsed identity. Size is " + << createPixmap -> size_ << " identity is " + << createPixmap -> i_size_ << ".\n" + << logofs_flush; + #endif + + return 1; +} + +void CreatePixmapCompatStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + #ifdef WARNING + *logofs << name() << ": WARNING! Dump of identity not implemented.\n" + << logofs_flush; + #endif + + #endif +} + +void CreatePixmapCompatStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + md5_append(md5_state_, buffer + 1, 1); + md5_append(md5_state_, buffer + 8, 8); +} + +void CreatePixmapCompatStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, + const Message *cachedMessage, + ChannelCache *channelCache) const +{ + CreatePixmapCompatMessage *createPixmap = (CreatePixmapCompatMessage *) message; + CreatePixmapCompatMessage *cachedCreatePixmap = (CreatePixmapCompatMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeDiffCachedValue(createPixmap -> id, + clientCache -> createPixmapLastId, 29, + clientCache -> createPixmapIdCache, 4); + + cachedCreatePixmap -> id = createPixmap -> id; + + encodeBuffer.encodeXidValue(createPixmap -> drawable, + clientCache -> drawableCache); + + cachedCreatePixmap -> drawable = createPixmap -> drawable; + + #ifdef TEST + *logofs << name() << ": Encoded update. Size is " + << createPixmap -> size_ << " identity is " + << createPixmap -> i_size_ << ".\n" + << logofs_flush; + #endif +} + +void CreatePixmapCompatStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, + ChannelCache *channelCache) const +{ + CreatePixmapCompatMessage *createPixmap = (CreatePixmapCompatMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + decodeBuffer.decodeDiffCachedValue(createPixmap -> id, + clientCache -> createPixmapLastId, 29, + clientCache -> createPixmapIdCache, 4); + + decodeBuffer.decodeXidValue(createPixmap -> drawable, + clientCache -> drawableCache); + + #ifdef TEST + *logofs << name() << ": Decoded update. Size is " + << createPixmap -> size_ << " identity is " + << createPixmap -> i_size_ << ".\n" + << logofs_flush; + #endif +} -- cgit v1.2.3