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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
/* Copyright (c) 2008-2017 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
/* Copyright (c) 2014-2022 Ulrich Sibiller <uli42@gmx.de> */
/* Copyright (c) 2014-2019 Mihai Moldovan <ionic@ionic.de> */
/* Copyright (c) 2011-2022 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
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