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Diffstat (limited to 'nxcomp/RenderComposite.cpp')
| -rwxr-xr-x | nxcomp/RenderComposite.cpp | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/nxcomp/RenderComposite.cpp b/nxcomp/RenderComposite.cpp new file mode 100755 index 000000000..2075b7468 --- /dev/null +++ b/nxcomp/RenderComposite.cpp @@ -0,0 +1,388 @@ +/**************************************************************************/ +/* */ +/* 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 "RenderComposite.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#include MESSAGE_TAGS + +// +// Message handling methods. +// + +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 -> renderMaskPictureCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 16, bigEndian), + clientCache -> renderDstPictureCache); + + // + // Src X and Y. + // + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 20, bigEndian), + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 22, bigEndian), + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + // + // Mask X and Y. + // + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 24, bigEndian), + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 26, bigEndian), + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + // + // Dst X and Y. + // + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 28, bigEndian), + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 30, bigEndian), + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + // + // Width and height. + // + + encodeBuffer.encodeCachedValue(GetUINT(buffer + 32, bigEndian), 16, + clientCache -> renderWidthCache, 11); + + encodeBuffer.encodeCachedValue(GetUINT(buffer + 34, bigEndian), 16, + clientCache -> renderHeightCache, 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 -> renderMaskPictureCache); + + PutULONG(value, buffer + 12, bigEndian); + + decodeBuffer.decodeXidValue(value, clientCache -> renderDstPictureCache); + + PutULONG(value, buffer + 16, bigEndian); + + // + // Src X and Y. + // + + 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); + + // + // Mask X and Y. + // + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + PutUINT(clientCache -> renderLastX, buffer + 24, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + PutUINT(clientCache -> renderLastY, buffer + 26, bigEndian); + + // + // Dst X and Y. + // + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + PutUINT(clientCache -> renderLastX, buffer + 28, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + PutUINT(clientCache -> renderLastY, buffer + 30, bigEndian); + + // + // Width and height. + // + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> renderWidthCache, 11); + + PutUINT(value, buffer + 32, bigEndian); + + decodeBuffer.decodeCachedValue(value, 16, + clientCache -> renderHeightCache, 11); + + PutUINT(value, buffer + 34, 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_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); + + renderExtension -> data.composite.msk_x = GetUINT(buffer + 24, bigEndian); + renderExtension -> data.composite.msk_y = GetUINT(buffer + 26, bigEndian); + + renderExtension -> data.composite.dst_x = GetUINT(buffer + 28, bigEndian); + renderExtension -> data.composite.dst_y = GetUINT(buffer + 30, bigEndian); + + renderExtension -> data.composite.width = GetUINT(buffer + 32, bigEndian); + renderExtension -> data.composite.height = GetUINT(buffer + 34, 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); + + PutUINT(renderExtension -> data.composite.msk_x, buffer + 24, bigEndian); + PutUINT(renderExtension -> data.composite.msk_y, buffer + 26, bigEndian); + + PutUINT(renderExtension -> data.composite.dst_x, buffer + 28, bigEndian); + PutUINT(renderExtension -> data.composite.dst_y, buffer + 30, bigEndian); + + PutUINT(renderExtension -> data.composite.width, buffer + 32, bigEndian); + PutUINT(renderExtension -> data.composite.height, buffer + 34, 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 the minor opcode and size in the + // identity, plus the operator, the x and y + // of the source and mask and the width and + // height of the destination. + // + + md5_append(md5_state, buffer + 1, 4); + md5_append(md5_state, buffer + 20, 8); + md5_append(md5_state, buffer + 32, 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 -> renderMaskPictureCache); + + cachedRenderExtension -> data.composite.msk_id = + renderExtension -> data.composite.msk_id; + + encodeBuffer.encodeXidValue(renderExtension -> data.composite.dst_id, + clientCache -> renderDstPictureCache); + + cachedRenderExtension -> data.composite.dst_id = + renderExtension -> data.composite.dst_id; + + // + // Dst X and Y. + // + + unsigned int value; + unsigned int previous; + + value = renderExtension -> data.composite.dst_x; + previous = cachedRenderExtension -> data.composite.dst_x; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderXCache, 11); + + cachedRenderExtension -> data.composite.dst_x = value; + + value = renderExtension -> data.composite.dst_y; + previous = cachedRenderExtension -> data.composite.dst_y; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderYCache, 11); + + cachedRenderExtension -> data.composite.dst_y = value; + + #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 -> renderMaskPictureCache); + + decodeBuffer.decodeXidValue(renderExtension -> data.composite.dst_id, + clientCache -> renderDstPictureCache); + + // + // Dst X and Y. + // + + unsigned int value; + unsigned int previous; + + previous = renderExtension -> data.composite.dst_x; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderXCache, 11); + + renderExtension -> data.composite.dst_x = value; + + previous = renderExtension -> data.composite.dst_y; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderYCache, 11); + + renderExtension -> data.composite.dst_y = value; + + #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 |