diff options
Diffstat (limited to 'nxcomp/RenderCompositeCompat.cpp')
-rwxr-xr-x | nxcomp/RenderCompositeCompat.cpp | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/nxcomp/RenderCompositeCompat.cpp b/nxcomp/RenderCompositeCompat.cpp new file mode 100755 index 000000000..bca04828b --- /dev/null +++ b/nxcomp/RenderCompositeCompat.cpp @@ -0,0 +1,320 @@ +/**************************************************************************/ +/* */ +/* 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 the template for +// this message class. +// + +#include "RenderCompositeCompat.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#include MESSAGE_TAGS + +// +// Message handling methods. +// + +MESSAGE_BEGIN_ENCODE_SIZE +{ + // + // Strictly speaking this request doesn't have + // a data part. We just encode the field from + // offset 24 to 36 as they were data using an + // int cache. + // + + #ifdef TEST + *logofs << name() << ": Encoded size with value " + << size << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_SIZE + +MESSAGE_BEGIN_DECODE_SIZE +{ + size = MESSAGE_OFFSET + 12; + + buffer = writeBuffer -> addMessage(size); + + #ifdef TEST + *logofs << name() << ": Decoded size with value " + << size << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_DECODE_SIZE + +MESSAGE_BEGIN_ENCODE_MESSAGE +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeCachedValue(*(buffer + 4), 8, + clientCache -> renderOpCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), + clientCache -> renderSrcPictureCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 12, bigEndian), + clientCache -> renderSrcPictureCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 16, bigEndian), + clientCache -> renderSrcPictureCache); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 20, bigEndian), + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 22, bigEndian), + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + #ifdef TEST + *logofs << name() << ": Encoded message. Type is " + << (unsigned int) *(buffer + 1) << " size is " + << size << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_MESSAGE + +MESSAGE_BEGIN_DECODE_MESSAGE +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + *(buffer + 1) = type; + + decodeBuffer.decodeCachedValue(*(buffer + 4), 8, + clientCache -> renderOpCache); + + decodeBuffer.decodeXidValue(value, clientCache -> renderSrcPictureCache); + + PutULONG(value, buffer + 8, bigEndian); + + decodeBuffer.decodeXidValue(value, clientCache -> renderSrcPictureCache); + + PutULONG(value, buffer + 12, bigEndian); + + decodeBuffer.decodeXidValue(value, clientCache -> renderSrcPictureCache); + + PutULONG(value, buffer + 16, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + PutUINT(clientCache -> renderLastX, buffer + 20, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + PutUINT(clientCache -> renderLastY, buffer + 22, bigEndian); + + #ifdef TEST + *logofs << name() << ": Decoded message. Type is " + << (unsigned int) type << " size is " << size + << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_DECODE_MESSAGE + +MESSAGE_BEGIN_ENCODE_DATA +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + for (unsigned int i = MESSAGE_OFFSET, c = 0; i < size; i += 4) + { + #ifdef DEBUG + *logofs << name() << ": Encoding long value " + << GetULONG(buffer + i, bigEndian) << " with i = " + << i << " c = " << c << ".\n" << logofs_flush; + #endif + + encodeBuffer.encodeCachedValue(GetULONG(buffer + i, bigEndian), 32, + *clientCache -> renderCompositeDataCache[c]); + + if (++c == 3) c = 0; + } + + #ifdef TEST + *logofs << name() << ": Encoded " << size - MESSAGE_OFFSET + << " bytes of data.\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_DATA + +MESSAGE_BEGIN_DECODE_DATA +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + unsigned int value; + + for (unsigned int i = MESSAGE_OFFSET, c = 0; i < size; i += 4) + { + decodeBuffer.decodeCachedValue(value, 32, + *clientCache -> renderCompositeDataCache[c]); + + #ifdef DEBUG + *logofs << name() << ": Decoded long value " << value + << " with i = " << i << " c = " << c << ".\n" + << logofs_flush; + #endif + + PutULONG(value, buffer + i, bigEndian); + + if (++c == 3) c = 0; + } + + #ifdef TEST + *logofs << name() << ": Decoded " << size - MESSAGE_OFFSET + << " bytes of data.\n" << logofs_flush; + #endif +} +MESSAGE_END_DECODE_DATA + +MESSAGE_BEGIN_PARSE_IDENTITY +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + + renderExtension -> data.composite.type = *(buffer + 1); + renderExtension -> data.composite.op = *(buffer + 4); + + renderExtension -> data.composite.src_id = GetULONG(buffer + 8, bigEndian); + renderExtension -> data.composite.msk_id = GetULONG(buffer + 12, bigEndian); + renderExtension -> data.composite.dst_id = GetULONG(buffer + 16, bigEndian); + + renderExtension -> data.composite.src_x = GetUINT(buffer + 20, bigEndian); + renderExtension -> data.composite.src_y = GetUINT(buffer + 22, bigEndian); + + #ifdef TEST + *logofs << name() << ": Parsed identity. Type is " + << (unsigned int) renderExtension -> data.composite.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_PARSE_IDENTITY + +MESSAGE_BEGIN_UNPARSE_IDENTITY +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + + *(buffer + 1) = renderExtension -> data.composite.type; + *(buffer + 4) = renderExtension -> data.composite.op; + + PutULONG(renderExtension -> data.composite.src_id, buffer + 8, bigEndian); + PutULONG(renderExtension -> data.composite.msk_id, buffer + 12, bigEndian); + PutULONG(renderExtension -> data.composite.dst_id, buffer + 16, bigEndian); + + PutUINT(renderExtension -> data.composite.src_x, buffer + 20, bigEndian); + PutUINT(renderExtension -> data.composite.src_y, buffer + 22, bigEndian); + + #ifdef TEST + *logofs << name() << ": Unparsed identity. Type is " + << (unsigned int) renderExtension -> data.composite.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_UNPARSE_IDENTITY + +MESSAGE_BEGIN_IDENTITY_CHECKSUM +{ + // + // Include minor opcode, size and + // operator in the identity, plus + // the x and y of the source. + // + + md5_append(md5_state, buffer + 1, 4); + md5_append(md5_state, buffer + 20, 4); +} +MESSAGE_END_IDENTITY_CHECKSUM + +MESSAGE_BEGIN_ENCODE_UPDATE +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + RenderExtensionMessage *cachedRenderExtension = (RenderExtensionMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Source " << renderExtension -> + data.composite.src_id << " mask " << renderExtension -> + data.composite.msk_id << " destination " << renderExtension -> + data.composite.msk_id << ".\n" << logofs_flush; + #endif + + encodeBuffer.encodeXidValue(renderExtension -> data.composite.src_id, + clientCache -> renderSrcPictureCache); + + cachedRenderExtension -> data.composite.src_id = + renderExtension -> data.composite.src_id; + + encodeBuffer.encodeXidValue(renderExtension -> data.composite.msk_id, + clientCache -> renderSrcPictureCache); + + cachedRenderExtension -> data.composite.msk_id = + renderExtension -> data.composite.msk_id; + + encodeBuffer.encodeXidValue(renderExtension -> data.composite.dst_id, + clientCache -> renderSrcPictureCache); + + cachedRenderExtension -> data.composite.dst_id = + renderExtension -> data.composite.dst_id; + + #ifdef TEST + *logofs << name() << ": Encoded update. Type is " + << (unsigned int) renderExtension -> data.composite.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_UPDATE + +MESSAGE_BEGIN_DECODE_UPDATE +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + + ClientCache *clientCache = (ClientCache *) channelCache; + + decodeBuffer.decodeXidValue(renderExtension -> data.composite.src_id, + clientCache -> renderSrcPictureCache); + + decodeBuffer.decodeXidValue(renderExtension -> data.composite.msk_id, + clientCache -> renderSrcPictureCache); + + decodeBuffer.decodeXidValue(renderExtension -> data.composite.dst_id, + clientCache -> renderSrcPictureCache); + + #ifdef TEST + *logofs << name() << ": Decoded update. Type is " + << (unsigned int) renderExtension -> data.composite.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_DECODE_UPDATE |