diff options
Diffstat (limited to 'nxcomp/PutImage.cpp')
-rw-r--r-- | nxcomp/PutImage.cpp | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/nxcomp/PutImage.cpp b/nxcomp/PutImage.cpp deleted file mode 100644 index 7b9a3ae5d..000000000 --- a/nxcomp/PutImage.cpp +++ /dev/null @@ -1,407 +0,0 @@ -/**************************************************************************/ -/* */ -/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ -/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ -/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ -/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ -/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ -/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ -/* */ -/* NXCOMP, NX protocol compression and NX extensions to this software */ -/* are copyright of the aforementioned persons and companies. */ -/* */ -/* Redistribution and use of the present software is allowed according */ -/* to terms specified in the file LICENSE.nxcomp which comes in the */ -/* source distribution. */ -/* */ -/* All rights reserved. */ -/* */ -/* NOTE: This software has received contributions from various other */ -/* contributors, only the core maintainers and supporters are listed as */ -/* copyright holders. Please contact us, if you feel you should be listed */ -/* as copyright holder, as well. */ -/* */ -/**************************************************************************/ - -#include "PutImage.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 -#undef DUMP - -// -// Constructors and destructors. -// - -PutImageStore::PutImageStore(StaticCompressor *compressor) - - : MessageStore(compressor) -{ - enableCache = PUTIMAGE_ENABLE_CACHE; - enableData = PUTIMAGE_ENABLE_DATA; - - // Since ProtoStep7 (#issue 108) - enableCompress = PUTIMAGE_ENABLE_COMPRESS_IF_PROTO_STEP_7; - - dataLimit = PUTIMAGE_DATA_LIMIT; - dataOffset = PUTIMAGE_DATA_OFFSET; - - cacheSlots = PUTIMAGE_CACHE_SLOTS; - cacheThreshold = PUTIMAGE_CACHE_THRESHOLD; - cacheLowerThreshold = PUTIMAGE_CACHE_LOWER_THRESHOLD; - - // Since ProtoStep8 (#issue 108) - enableSplit = PUTIMAGE_ENABLE_SPLIT_IF_PROTO_STEP_8; - - messages_ -> resize(cacheSlots); - - for (T_messages::iterator i = messages_ -> begin(); - i < messages_ -> end(); i++) - { - *i = NULL; - } - - temporary_ = NULL; -} - -PutImageStore::~PutImageStore() -{ - for (T_messages::iterator i = messages_ -> begin(); - i < messages_ -> end(); i++) - { - destroy(*i); - } - - destroy(temporary_); -} - -// -// Here are the methods to handle messages' content. -// - -int PutImageStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer, - const unsigned int size, int bigEndian, - ChannelCache *channelCache) const -{ - ClientCache *clientCache = (ClientCache *) channelCache; - - #ifdef DEBUG - *logofs << name() << ": Encoding full message identity.\n" << logofs_flush; - #endif - - encodeBuffer.encodeValue(GetUINT(buffer + 2, bigEndian), 16, 8); - - encodeBuffer.encodeValue((unsigned int) buffer[1], 2); - - encodeBuffer.encodeXidValue(GetULONG(buffer + 4, bigEndian), - clientCache -> drawableCache); - encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), - clientCache -> gcCache); - - unsigned int width = GetUINT(buffer + 12, bigEndian); - encodeBuffer.encodeCachedValue(width, 16, - clientCache -> putImageWidthCache, 8); - - unsigned int height = GetUINT(buffer + 14, bigEndian); - encodeBuffer.encodeCachedValue(height, 16, - clientCache -> putImageHeightCache, 8); - - unsigned int x = GetUINT(buffer + 16, bigEndian); - int xDiff = x - clientCache -> putImageLastX; - clientCache -> putImageLastX = x; - encodeBuffer.encodeCachedValue(xDiff, 16, - clientCache -> putImageXCache, 8); - - unsigned int y = GetUINT(buffer + 18, bigEndian); - int yDiff = y - clientCache -> putImageLastY; - clientCache -> putImageLastY = y; - encodeBuffer.encodeCachedValue(yDiff, 16, - clientCache -> putImageYCache, 8); - - encodeBuffer.encodeCachedValue(buffer[20], 8, - clientCache -> putImageLeftPadCache); - - encodeBuffer.encodeCachedValue(buffer[21], 8, - clientCache -> depthCache); - - #ifdef DEBUG - *logofs << name() << ": Encoded full message identity.\n" << logofs_flush; - #endif - - return 1; -} - -int PutImageStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer, - unsigned int &size, int bigEndian, WriteBuffer *writeBuffer, - ChannelCache *channelCache) const -{ - ClientCache *clientCache = (ClientCache *) channelCache; - - #ifdef DEBUG - *logofs << name() << ": Decoding full message identity.\n" << logofs_flush; - #endif - - unsigned int value; - unsigned char cValue; - - decodeBuffer.decodeValue(value, 16, 8); - - size = (value << 2); - - buffer = writeBuffer -> addMessage(size); - - decodeBuffer.decodeValue(value, 2); - buffer[1] = (unsigned char) value; - - decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); - PutULONG(value, buffer + 4, bigEndian); - - decodeBuffer.decodeXidValue(value, clientCache -> gcCache); - PutULONG(value, buffer + 8, bigEndian); - - unsigned int width; - decodeBuffer.decodeCachedValue(width, 16, - clientCache -> putImageWidthCache, 8); - PutUINT(width, buffer + 12, bigEndian); - - unsigned int height; - decodeBuffer.decodeCachedValue(height, 16, - clientCache -> putImageHeightCache, 8); - PutUINT(height, buffer + 14, bigEndian); - - decodeBuffer.decodeCachedValue(value, 16, - clientCache -> putImageXCache, 8); - clientCache -> putImageLastX += value; - clientCache -> putImageLastX &= 0xffff; - PutUINT(clientCache -> putImageLastX, buffer + 16, bigEndian); - - decodeBuffer.decodeCachedValue(value, 16, - clientCache -> putImageYCache, 8); - clientCache -> putImageLastY += value; - clientCache -> putImageLastY &= 0xffff; - PutUINT(clientCache -> putImageLastY, buffer + 18, bigEndian); - - decodeBuffer.decodeCachedValue(cValue, 8, - clientCache -> putImageLeftPadCache); - buffer[20] = cValue; - - decodeBuffer.decodeCachedValue(cValue, 8, - clientCache -> depthCache); - buffer[21] = cValue; - - #ifdef DEBUG - *logofs << name() << ": Decoded full message identity.\n" << logofs_flush; - #endif - - return 1; -} - -int PutImageStore::parseIdentity(Message *message, const unsigned char *buffer, - unsigned int size, int bigEndian) const -{ - PutImageMessage *putImage = (PutImageMessage *) message; - - // - // Here is the fingerprint. - // - - putImage -> format = *(buffer + 1); - putImage -> depth = *(buffer + 21); - putImage -> left_pad = *(buffer + 20); - - putImage -> width = GetUINT(buffer + 12, bigEndian); - putImage -> height = GetUINT(buffer + 14, bigEndian); - putImage -> pos_x = GetUINT(buffer + 16, bigEndian); - putImage -> pos_y = GetUINT(buffer + 18, bigEndian); - - putImage -> drawable = GetULONG(buffer + 4, bigEndian); - putImage -> gcontext = GetULONG(buffer + 8, bigEndian); - - #ifdef DEBUG - *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush; - #endif - - return 1; -} - -int PutImageStore::unparseIdentity(const Message *message, unsigned char *buffer, - unsigned int size, int bigEndian) const -{ - PutImageMessage *putImage = (PutImageMessage *) message; - - // - // Fill all the message's fields. - // - - *(buffer + 1) = putImage -> format; - - PutULONG(putImage -> drawable, buffer + 4, bigEndian); - PutULONG(putImage -> gcontext, buffer + 8, bigEndian); - - PutUINT(putImage -> width, buffer + 12, bigEndian); - PutUINT(putImage -> height, buffer + 14, bigEndian); - PutUINT(putImage -> pos_x, buffer + 16, bigEndian); - PutUINT(putImage -> pos_y, buffer + 18, bigEndian); - - *(buffer + 20) = (unsigned char) putImage -> left_pad; - *(buffer + 21) = (unsigned char) putImage -> depth; - - #ifdef DEBUG - *logofs << name() << ": Unparsed identity for message at " - << message << ".\n" << logofs_flush; - #endif - - return 1; -} - -void PutImageStore::dumpIdentity(const Message *message) const -{ - #ifdef DUMP - - PutImageMessage *putImage = (PutImageMessage *) message; - - *logofs << name() << ": Identity format " << (unsigned) putImage -> format - << ", depth " << (unsigned) putImage -> depth << ", left_pad " - << (unsigned) putImage -> left_pad << ", width " << putImage -> width - << ", height " << putImage -> height << ", pos_x " << putImage -> pos_x - << ", pos_y " << putImage -> pos_y << ", drawable " << putImage -> drawable - << ", gcontext " << putImage -> gcontext << ", size " << putImage -> size_ - << ".\n" << logofs_flush; - - #endif -} - -void PutImageStore::identityChecksum(const Message *message, const unsigned char *buffer, - unsigned int size, int bigEndian) const -{ - // - // Fields format, width, height, left_pad, depth. - // - - md5_append(md5_state_, buffer + 1, 1); - md5_append(md5_state_, buffer + 12, 4); - md5_append(md5_state_, buffer + 20, 2); -} - -void PutImageStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message, - const Message *cachedMessage, - ChannelCache *channelCache) const -{ - // - // Encode the variant part. - // - - PutImageMessage *putImage = (PutImageMessage *) message; - PutImageMessage *cachedPutImage = (PutImageMessage *) cachedMessage; - - ClientCache *clientCache = (ClientCache *) channelCache; - - #ifdef TEST - *logofs << name() << ": Encoding value " << putImage -> drawable - << " as drawable field.\n" << logofs_flush; - #endif - - encodeBuffer.encodeXidValue(putImage -> drawable, clientCache -> drawableCache); - - cachedPutImage -> drawable = putImage -> drawable; - - #ifdef TEST - *logofs << name() << ": Encoding value " << putImage -> gcontext - << " as gcontext field.\n" << logofs_flush; - #endif - - encodeBuffer.encodeXidValue(putImage -> gcontext, clientCache -> gcCache); - - cachedPutImage -> gcontext = putImage -> gcontext; - - #ifdef TEST - *logofs << name() << ": Encoding value " << putImage -> pos_x - << " as " << "pos_x" << " field.\n" << logofs_flush; - #endif - - unsigned short int diff_x = putImage -> pos_x - cachedPutImage -> pos_x; - - encodeBuffer.encodeCachedValue(diff_x, 16, - clientCache -> putImageXCache, 8); - - cachedPutImage -> pos_x = putImage -> pos_x; - - #ifdef TEST - *logofs << name() << ": Encoding value " << putImage -> pos_y - << " as " << "pos_y" << " field.\n" << logofs_flush; - #endif - - unsigned short int diff_y = putImage -> pos_y - cachedPutImage -> pos_y; - - encodeBuffer.encodeCachedValue(diff_y, 16, - clientCache -> putImageYCache, 8); - - cachedPutImage -> pos_y = putImage -> pos_y; -} - -void PutImageStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message, - ChannelCache *channelCache) const -{ - // - // Decode the variant part. - // - - PutImageMessage *putImage = (PutImageMessage *) message; - - ClientCache *clientCache = (ClientCache *) channelCache; - - unsigned int value; - - decodeBuffer.decodeXidValue(value, clientCache -> drawableCache); - - putImage -> drawable = value; - - #ifdef DEBUG - *logofs << name() << ": Decoded value " << putImage -> drawable - << " as drawable field.\n" << logofs_flush; - #endif - - decodeBuffer.decodeXidValue(value, clientCache -> gcCache); - - putImage -> gcontext = value; - - #ifdef DEBUG - *logofs << name() << ": Decoded value " << putImage -> gcontext - << " as gcontext field.\n" << logofs_flush; - #endif - - decodeBuffer.decodeCachedValue(value, 16, - clientCache -> putImageXCache, 8); - - putImage -> pos_x += value; - putImage -> pos_x &= 0xffff; - - #ifdef DEBUG - *logofs << name() << ": Decoded value " << putImage -> pos_x - << " as pos_x field.\n" << logofs_flush; - #endif - - decodeBuffer.decodeCachedValue(value, 16, - clientCache -> putImageYCache, 8); - - putImage -> pos_y += value; - putImage -> pos_y &= 0xffff; - - #ifdef DEBUG - *logofs << name() << ": Decoded value " << putImage -> pos_y - << " as pos_y field.\n" << logofs_flush; - #endif -} |