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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-06-30 20:13:51 +0200 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-07-26 10:12:43 +0200 |
commit | f76c82403888bb498973ec974dbfd20e4edb02fe (patch) | |
tree | be0cb6c112d9d9fb46387fbd114727510197ddec /nxcomp/src/RenderPictureClip.cpp | |
parent | 9193d11eeeea933e293acd5e0f03fa4e9887186b (diff) | |
download | nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.gz nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.bz2 nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.zip |
nxcomp: Switch to autoreconf.
Diffstat (limited to 'nxcomp/src/RenderPictureClip.cpp')
-rw-r--r-- | nxcomp/src/RenderPictureClip.cpp | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/nxcomp/src/RenderPictureClip.cpp b/nxcomp/src/RenderPictureClip.cpp new file mode 100644 index 000000000..0d6b505eb --- /dev/null +++ b/nxcomp/src/RenderPictureClip.cpp @@ -0,0 +1,303 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +// +// Include the template for +// this message class. +// + +#include "RenderPictureClip.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#include MESSAGE_TAGS + +// +// Message handling methods. +// + +MESSAGE_BEGIN_ENCODE_SIZE +{ + // + // The data is constituted by a number of + // rectangles. Each rectangle is in the + // format x, y, width, height with 2 bytes + // per each field, so each request is at + // least 12 + 8 = 20 bytes long. + // + + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeCachedValue((size - MESSAGE_OFFSET) >> 2, 16, + clientCache -> renderLengthCache, 5); + + #ifdef TEST + *logofs << name() << ": Encoded size with value " + << size << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_SIZE + +MESSAGE_BEGIN_DECODE_SIZE +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + decodeBuffer.decodeCachedValue(size, 16, + clientCache -> renderLengthCache, 5); + + size = MESSAGE_OFFSET + (size << 2); + + 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.encodeXidValue(GetULONG(buffer + 4, bigEndian), + clientCache -> renderSrcPictureCache); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 8, bigEndian), + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + encodeBuffer.encodeDiffCachedValue(GetUINT(buffer + 10, 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.decodeXidValue(value, + clientCache -> renderSrcPictureCache); + + PutULONG(value, buffer + 4, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastX, 16, + clientCache -> renderXCache, 11); + + PutUINT(clientCache -> renderLastX, buffer + 8, bigEndian); + + decodeBuffer.decodeDiffCachedValue(value, + clientCache -> renderLastY, 16, + clientCache -> renderYCache, 11); + + PutUINT(clientCache -> renderLastY, buffer + 10, 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 +{ + encodeIntData(encodeBuffer, buffer, MESSAGE_OFFSET, + size, bigEndian, channelCache); + + #ifdef TEST + *logofs << name() << ": Encoded " << size - MESSAGE_OFFSET + << " bytes of data.\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_DATA + +MESSAGE_BEGIN_DECODE_DATA +{ + decodeIntData(decodeBuffer, buffer, MESSAGE_OFFSET, + size, bigEndian, channelCache); + + #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.picture_clip.type = *(buffer + 1); + + renderExtension -> data.picture_clip.src_id = GetULONG(buffer + 4, bigEndian); + + renderExtension -> data.picture_clip.src_x = GetUINT(buffer + 8, bigEndian); + renderExtension -> data.picture_clip.src_y = GetUINT(buffer + 10, bigEndian); + + #ifdef TEST + *logofs << name() << ": Parsed identity. Type is " + << (unsigned int) renderExtension -> data.picture_clip.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.picture_clip.type; + + PutULONG(renderExtension -> data.picture_clip.src_id, buffer + 4, bigEndian); + + PutUINT(renderExtension -> data.picture_clip.src_x, buffer + 8, bigEndian); + PutUINT(renderExtension -> data.picture_clip.src_y, buffer + 10, bigEndian); + + #ifdef TEST + *logofs << name() << ": Unparsed identity. Type is " + << (unsigned int) renderExtension -> data.picture_clip.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_UNPARSE_IDENTITY + +MESSAGE_BEGIN_IDENTITY_CHECKSUM +{ + // + // Encode the picture id and the + // source x and y differentially. + // + + md5_append(md5_state, buffer + 1, 3); +} +MESSAGE_END_IDENTITY_CHECKSUM + +MESSAGE_BEGIN_ENCODE_UPDATE +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + RenderExtensionMessage *cachedRenderExtension = (RenderExtensionMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeXidValue(renderExtension -> data.picture_clip.src_id, + clientCache -> renderSrcPictureCache); + + cachedRenderExtension -> data.picture_clip.src_id = + renderExtension -> data.picture_clip.src_id; + + // + // The source x and y coordinates are + // encoded as differerences in respect + // to the previous cached value. + // + + unsigned int value; + unsigned int previous; + + value = renderExtension -> data.picture_clip.src_x; + previous = cachedRenderExtension -> data.picture_clip.src_x; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderXCache, 11); + + cachedRenderExtension -> data.picture_clip.src_x = value; + + value = renderExtension -> data.picture_clip.src_y; + previous = cachedRenderExtension -> data.picture_clip.src_y; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderYCache, 11); + + cachedRenderExtension -> data.picture_clip.src_y = value; + + #ifdef TEST + *logofs << name() << ": Encoded update. Type is " + << (unsigned int) renderExtension -> data.picture_clip.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.picture_clip.src_id, + clientCache -> renderSrcPictureCache); + + unsigned int value; + unsigned int previous; + + previous = renderExtension -> data.picture_clip.src_x; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderXCache, 11); + + renderExtension -> data.picture_clip.src_x = value; + + previous = renderExtension -> data.picture_clip.src_y; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderYCache, 11); + + renderExtension -> data.picture_clip.src_y = value; + + #ifdef TEST + *logofs << name() << ": Decoded update. Type is " + << (unsigned int) renderExtension -> data.picture_clip.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_DECODE_UPDATE |