From f76c82403888bb498973ec974dbfd20e4edb02fe Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 30 Jun 2017 20:13:51 +0200 Subject: nxcomp: Switch to autoreconf. --- nxcomp/src/RenderCompositeGlyphs.cpp | 629 +++++++++++++++++++++++++++++++++++ 1 file changed, 629 insertions(+) create mode 100644 nxcomp/src/RenderCompositeGlyphs.cpp (limited to 'nxcomp/src/RenderCompositeGlyphs.cpp') diff --git a/nxcomp/src/RenderCompositeGlyphs.cpp b/nxcomp/src/RenderCompositeGlyphs.cpp new file mode 100644 index 000000000..0949d3e2c --- /dev/null +++ b/nxcomp/src/RenderCompositeGlyphs.cpp @@ -0,0 +1,629 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder */ +/* Copyright (c) 2014-2016 Ulrich Sibiller */ +/* Copyright (c) 2014-2016 Mihai Moldovan */ +/* Copyright (c) 2011-2016 Mike Gabriel */ +/* 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 "RenderCompositeGlyphs.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#include MESSAGE_TAGS + +// +// Message handling methods. +// + +MESSAGE_BEGIN_ENCODE_SIZE +{ + ClientCache *clientCache = (ClientCache *) channelCache; + + #ifdef DEBUG + *logofs << name() << ": Encoding value " + << ((size - MESSAGE_OFFSET) >> 2) << ".\n" + << logofs_flush; + #endif + + 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); + + #ifdef DEBUG + *logofs << name() << ": Decoded value " << size + << ".\n" << logofs_flush; + #endif + + 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.encodeCachedValue(*(buffer + 4), 8, + clientCache -> renderOpCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian), + clientCache -> renderSrcPictureCache); + + encodeBuffer.encodeXidValue(GetULONG(buffer + 12, bigEndian), + clientCache -> renderDstPictureCache); + + encodeBuffer.encodeCachedValue(GetULONG(buffer + 16, bigEndian), 32, + clientCache -> renderFormatCache); + + encodeBuffer.encodeCachedValue(GetULONG(buffer + 20, bigEndian), 29, + clientCache -> renderGlyphSetCache); + + unsigned int src_x = GetUINT(buffer + 24, bigEndian); + unsigned int src_y = GetUINT(buffer + 26, bigEndian); + + // Since ProtoStep8 (#issue 108) + encodeBuffer.encodeDiffCachedValue(src_x, + clientCache -> renderGlyphX, 16, + clientCache -> renderGlyphXCache, 11); + + encodeBuffer.encodeDiffCachedValue(src_y, + clientCache -> renderGlyphY, 16, + clientCache -> renderGlyphYCache, 11); + + #ifdef TEST + *logofs << name() << ": Encoded source X " + << GetUINT(buffer + 24, bigEndian) << " source Y " + << GetUINT(buffer + 26, bigEndian) << ".\n" + << logofs_flush; + #endif + + // + // Bytes from 28 to 36 contain in the order: + // + // 1 byte for the length of the first string. + // 3 bytes of padding. + // 2 bytes for the X offset. + // 2 bytes for the Y offset. + // + // Encode these bytes differentially to match + // all the strings that have equal glyphs. + // + // Only manage the first string of glyphs. The + // others strings should match, if they contain + // the same glyphs, since the offset are rela- + // tive to the first offset coordinates. + // + + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + unsigned int numGlyphs = *(buffer + 28); + + encodeBuffer.encodeCachedValue(numGlyphs, 8, + clientCache -> renderNumGlyphsCache); + + unsigned int offset_x = GetUINT(buffer + 32, bigEndian); + unsigned int offset_y = GetUINT(buffer + 34, bigEndian); + + if (offset_x == src_x && offset_y == src_y) + { + encodeBuffer.encodeBoolValue(0); + + #ifdef TEST + *logofs << name() << ": Matched offset X " + << GetUINT(buffer + 32, bigEndian) << " offset Y " + << GetUINT(buffer + 34, bigEndian) << ".\n" + << logofs_flush; + #endif + } + else + { + encodeBuffer.encodeBoolValue(1); + + encodeBuffer.encodeDiffCachedValue(offset_x, + clientCache -> renderGlyphX, 16, + clientCache -> renderGlyphXCache, 11); + + encodeBuffer.encodeDiffCachedValue(offset_y, + clientCache -> renderGlyphY, 16, + clientCache -> renderGlyphYCache, 11); + + #ifdef TEST + *logofs << name() << ": Missed offset X " + << GetUINT(buffer + 32, bigEndian) << " offset Y " + << GetUINT(buffer + 34, bigEndian) << ".\n" + << logofs_flush; + #endif + } + } + + #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 -> renderDstPictureCache); + + PutULONG(value, buffer + 12, bigEndian); + + decodeBuffer.decodeCachedValue(value, 32, + clientCache -> renderFormatCache); + + PutULONG(value, buffer + 16, bigEndian); + + decodeBuffer.decodeCachedValue(value, 29, + clientCache -> renderGlyphSetCache); + + PutULONG(value, buffer + 20, bigEndian); + + unsigned int src_x; + unsigned int src_y; + + // Since ProtoStep8 (#issue 108) + decodeBuffer.decodeDiffCachedValue(src_x, + clientCache -> renderGlyphX, 16, + clientCache -> renderGlyphXCache, 11); + + decodeBuffer.decodeDiffCachedValue(src_y, + clientCache -> renderGlyphY, 16, + clientCache -> renderGlyphYCache, 11); + + PutUINT(src_x, buffer + 24, bigEndian); + PutUINT(src_y, buffer + 26, bigEndian); + + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + decodeBuffer.decodeCachedValue(value, 8, + clientCache -> renderNumGlyphsCache); + + *(buffer + 28) = value; + + decodeBuffer.decodeBoolValue(value); + + if (value == 0) + { + PutUINT(src_x, buffer + 32, bigEndian); + PutUINT(src_y, buffer + 34, bigEndian); + } + else + { + decodeBuffer.decodeDiffCachedValue(src_x, + clientCache -> renderGlyphX, 16, + clientCache -> renderGlyphXCache, 11); + + PutUINT(src_x, buffer + 32, bigEndian); + + decodeBuffer.decodeDiffCachedValue(src_y, + clientCache -> renderGlyphY, 16, + clientCache -> renderGlyphYCache, 11); + + PutUINT(src_y, 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_ENCODE_DATA +{ + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + encodeCharData(encodeBuffer, buffer, MESSAGE_OFFSET_IF_PROTO_STEP_8, + size, bigEndian, channelCache); + } + else if (size > MESSAGE_OFFSET) + { + encodeCharData(encodeBuffer, buffer, MESSAGE_OFFSET, + size, bigEndian, channelCache); + } + + #ifdef TEST + *logofs << name() << ": Encoded " << size - MESSAGE_OFFSET + << " bytes of text data.\n" << logofs_flush; + #endif +} +MESSAGE_END_ENCODE_DATA + +MESSAGE_BEGIN_DECODE_DATA +{ + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + decodeCharData(decodeBuffer, buffer, MESSAGE_OFFSET_IF_PROTO_STEP_8, + size, bigEndian, channelCache); + } + else if (size > MESSAGE_OFFSET) + { + decodeCharData(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.composite_glyphs.type = *(buffer + 1); + renderExtension -> data.composite_glyphs.op = *(buffer + 4); + + renderExtension -> data.composite_glyphs.src_id = GetULONG(buffer + 8, bigEndian); + renderExtension -> data.composite_glyphs.dst_id = GetULONG(buffer + 12, bigEndian); + + renderExtension -> data.composite_glyphs.format = GetULONG(buffer + 16, bigEndian); + renderExtension -> data.composite_glyphs.set_id = GetULONG(buffer + 20, bigEndian); + + renderExtension -> data.composite_glyphs.src_x = GetUINT(buffer + 24, bigEndian); + renderExtension -> data.composite_glyphs.src_y = GetUINT(buffer + 26, bigEndian); + + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + renderExtension -> data.composite_glyphs.num_elm = *(buffer + 28); + + renderExtension -> data.composite_glyphs.offset_x = GetUINT(buffer + 32, bigEndian); + renderExtension -> data.composite_glyphs.offset_y = GetUINT(buffer + 34, bigEndian); + } + + #ifdef TEST + *logofs << name() << ": Parsed identity. Type is " + << (unsigned int) renderExtension -> data.composite_glyphs.type + << " size is " << renderExtension -> size_ << " identity size " + << renderExtension -> i_size_ << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_PARSE_IDENTITY + +MESSAGE_BEGIN_UNPARSE_IDENTITY +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + + *(buffer + 1) = renderExtension -> data.composite_glyphs.type; + *(buffer + 4) = renderExtension -> data.composite_glyphs.op; + + PutULONG(renderExtension -> data.composite_glyphs.src_id, buffer + 8, bigEndian); + PutULONG(renderExtension -> data.composite_glyphs.dst_id, buffer + 12, bigEndian); + + PutULONG(renderExtension -> data.composite_glyphs.format, buffer + 16, bigEndian); + PutULONG(renderExtension -> data.composite_glyphs.set_id, buffer + 20, bigEndian); + + PutUINT(renderExtension -> data.composite_glyphs.src_x, buffer + 24, bigEndian); + PutUINT(renderExtension -> data.composite_glyphs.src_y, buffer + 26, bigEndian); + + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + *(buffer + 28) = renderExtension -> data.composite_glyphs.num_elm; + + PutUINT(renderExtension -> data.composite_glyphs.offset_x, buffer + 32, bigEndian); + PutUINT(renderExtension -> data.composite_glyphs.offset_y, buffer + 34, bigEndian); + } + + #ifdef TEST + *logofs << name() << ": Unparsed identity. Type is " + << (unsigned int) renderExtension -> data.composite_glyphs.type + << " size is " << renderExtension -> size_ << " identity size " + << renderExtension -> i_size_ << ".\n" << logofs_flush; + #endif +} +MESSAGE_END_UNPARSE_IDENTITY + +MESSAGE_BEGIN_IDENTITY_CHECKSUM +{ + // + // Include minor opcode, size and + // the composite operator in the + // identity. + // + + md5_append(md5_state, buffer + 1, 4); + + // + // Include the format. + // + + md5_append(md5_state, buffer + 16, 4); + + // + // Also include the length of the + // first string. + // + + // Since ProtoStep8 (#issue 108) + if (size >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + md5_append(md5_state, buffer + 28, 1); + } +} +MESSAGE_END_IDENTITY_CHECKSUM + +MESSAGE_BEGIN_ENCODE_UPDATE +{ + RenderExtensionMessage *renderExtension = (RenderExtensionMessage *) message; + RenderExtensionMessage *cachedRenderExtension = (RenderExtensionMessage *) cachedMessage; + + ClientCache *clientCache = (ClientCache *) channelCache; + + encodeBuffer.encodeXidValue(renderExtension -> data.composite_glyphs.src_id, + clientCache -> renderSrcPictureCache); + + cachedRenderExtension -> data.composite_glyphs.src_id = + renderExtension -> data.composite_glyphs.src_id; + + encodeBuffer.encodeXidValue(renderExtension -> data.composite_glyphs.dst_id, + clientCache -> renderDstPictureCache); + + cachedRenderExtension -> data.composite_glyphs.dst_id = + renderExtension -> data.composite_glyphs.dst_id; + + encodeBuffer.encodeCachedValue(renderExtension -> data.composite_glyphs.set_id, 29, + clientCache -> renderGlyphSetCache); + + cachedRenderExtension -> data.composite_glyphs.set_id = + renderExtension -> data.composite_glyphs.set_id; + + // + // Src X and Y. + // + // The source X and Y coordinates are + // encoded as differerences in respect + // to the cached message. + // + + unsigned int value; + unsigned int previous; + + // Since ProtoStep8 (#issue 108) + value = renderExtension -> data.composite_glyphs.src_x; + previous = cachedRenderExtension -> data.composite_glyphs.src_x; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphXCache, 11); + + cachedRenderExtension -> data.composite_glyphs.src_x = value; + + value = renderExtension -> data.composite_glyphs.src_y; + previous = cachedRenderExtension -> data.composite_glyphs.src_y; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphYCache, 11); + + cachedRenderExtension -> data.composite_glyphs.src_y = value; + + #ifdef TEST + *logofs << name() << ": Encoded source X " + << renderExtension -> data.composite_glyphs.src_x << " source Y " + << renderExtension -> data.composite_glyphs.src_y << ".\n" + << logofs_flush; + #endif + + // Since ProtoStep8 (#issue 108) + if (renderExtension -> size_ >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + // + // Offset X and Y. + // + + if (renderExtension -> data.composite_glyphs.offset_x == + renderExtension -> data.composite_glyphs.src_x && + renderExtension -> data.composite_glyphs.offset_y == + renderExtension -> data.composite_glyphs.src_y) + { + encodeBuffer.encodeBoolValue(0); + + cachedRenderExtension -> data.composite_glyphs.offset_x = + renderExtension -> data.composite_glyphs.offset_x; + + cachedRenderExtension -> data.composite_glyphs.offset_y = + renderExtension -> data.composite_glyphs.offset_y; + + #ifdef TEST + *logofs << name() << ": Matched offset X " + << renderExtension -> data.composite_glyphs.offset_x << " offset Y " + << renderExtension -> data.composite_glyphs.offset_y << ".\n" + << logofs_flush; + #endif + } + else + { + encodeBuffer.encodeBoolValue(1); + + value = renderExtension -> data.composite_glyphs.offset_x; + previous = cachedRenderExtension -> data.composite_glyphs.offset_x; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphXCache, 11); + + cachedRenderExtension -> data.composite_glyphs.offset_x = value; + + value = renderExtension -> data.composite_glyphs.offset_y; + previous = cachedRenderExtension -> data.composite_glyphs.offset_y; + + encodeBuffer.encodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphYCache, 11); + + cachedRenderExtension -> data.composite_glyphs.offset_y = value; + + #ifdef TEST + *logofs << name() << ": Missed offset X " + << renderExtension -> data.composite_glyphs.offset_x << " offset Y " + << renderExtension -> data.composite_glyphs.offset_y << ".\n" + << logofs_flush; + #endif + } + } + + #ifdef TEST + *logofs << name() << ": Encoded update. Type is " + << (unsigned int) renderExtension -> data.composite_glyphs.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_glyphs.src_id, + clientCache -> renderSrcPictureCache); + + decodeBuffer.decodeXidValue(renderExtension -> data.composite_glyphs.dst_id, + clientCache -> renderDstPictureCache); + + decodeBuffer.decodeCachedValue(renderExtension -> data.composite_glyphs.set_id, 29, + clientCache -> renderGlyphSetCache); + + // + // Src X and Y. + // + + unsigned int value; + unsigned int previous; + + // Since ProtoStep8 (#issue 108) + previous = renderExtension -> data.composite_glyphs.src_x; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphXCache, 11); + + renderExtension -> data.composite_glyphs.src_x = value; + + previous = renderExtension -> data.composite_glyphs.src_y; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphYCache, 11); + + renderExtension -> data.composite_glyphs.src_y = value; + + // Since ProtoStep8 (#issue 108) + if (renderExtension -> size_ >= MESSAGE_OFFSET_IF_PROTO_STEP_8) + { + // + // Offset X and Y. + // + + decodeBuffer.decodeBoolValue(value); + + if (value == 0) + { + renderExtension -> data.composite_glyphs.offset_x = + renderExtension -> data.composite_glyphs.src_x; + + renderExtension -> data.composite_glyphs.offset_y = + renderExtension -> data.composite_glyphs.src_y; + } + else + { + previous = renderExtension -> data.composite_glyphs.offset_x; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphXCache, 11); + + renderExtension -> data.composite_glyphs.offset_x = value; + + previous = renderExtension -> data.composite_glyphs.offset_y; + + decodeBuffer.decodeDiffCachedValue(value, previous, 16, + clientCache -> renderGlyphYCache, 11); + + renderExtension -> data.composite_glyphs.offset_y = value; + } + } + + #ifdef TEST + *logofs << name() << ": Decoded update. Type is " + << (unsigned int) renderExtension -> data.composite_glyphs.type + << " size is " << renderExtension -> size_ << ".\n" + << logofs_flush; + #endif +} +MESSAGE_END_DECODE_UPDATE -- cgit v1.2.3