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path: root/nxcomp/src/RenderCompositeGlyphs.cpp
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Diffstat (limited to 'nxcomp/src/RenderCompositeGlyphs.cpp')
-rw-r--r--nxcomp/src/RenderCompositeGlyphs.cpp629
1 files changed, 629 insertions, 0 deletions
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 <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 "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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 13:06:58 +0000