/**************************************************************************/ /* */ /* 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 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