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-rw-r--r--nxcomp/FillPoly.cpp227
1 files changed, 227 insertions, 0 deletions
diff --git a/nxcomp/FillPoly.cpp b/nxcomp/FillPoly.cpp
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--- /dev/null
+++ b/nxcomp/FillPoly.cpp
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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXCOMP, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of Medialogic S.p.A. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+#include "FillPoly.h"
+
+#include "ClientCache.h"
+
+#include "EncodeBuffer.h"
+#include "DecodeBuffer.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+#undef DUMP
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int FillPolyStore::parseIdentity(Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ FillPolyMessage *fillPoly = (FillPolyMessage *) message;
+
+ //
+ // Here is the fingerprint.
+ //
+
+ fillPoly -> drawable = GetULONG(buffer + 4, bigEndian);
+ fillPoly -> gcontext = GetULONG(buffer + 8, bigEndian);
+
+ fillPoly -> shape = *(buffer + 12);
+ fillPoly -> mode = *(buffer + 13);
+
+ if (control -> isProtoStep8() == 1 &&
+ size >= (unsigned int) dataOffset)
+ {
+ fillPoly -> x_origin = GetUINT(buffer + 16, bigEndian);
+ fillPoly -> y_origin = GetUINT(buffer + 18, bigEndian);
+ }
+ else
+ {
+ fillPoly -> x_origin = 0;
+ fillPoly -> y_origin = 0;
+ }
+
+ #ifdef DEBUG
+ *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int FillPolyStore::unparseIdentity(const Message *message, unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ FillPolyMessage *fillPoly = (FillPolyMessage *) message;
+
+ //
+ // Fill all the message's fields.
+ //
+
+ PutULONG(fillPoly -> drawable, buffer + 4, bigEndian);
+ PutULONG(fillPoly -> gcontext, buffer + 8, bigEndian);
+
+ *(buffer + 12) = fillPoly -> shape;
+ *(buffer + 13) = fillPoly -> mode;
+
+ if (control -> isProtoStep8() == 1 &&
+ size >= (unsigned int) dataOffset)
+ {
+ PutUINT(fillPoly -> x_origin, buffer + 16, bigEndian);
+ PutUINT(fillPoly -> y_origin, buffer + 18, bigEndian);
+ }
+
+ #ifdef DEBUG
+ *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+void FillPolyStore::dumpIdentity(const Message *message) const
+{
+ #ifdef DUMP
+
+ FillPolyMessage *fillPoly = (FillPolyMessage *) message;
+
+ *logofs << name() << ": Identity drawable " << fillPoly -> drawable
+ << ", gcontext " << fillPoly -> gcontext << ", shape "
+ << fillPoly -> shape << ", mode " << fillPoly -> mode
+ << fillPoly -> size_ << ", x_origin " << fillPoly -> x_origin
+ << ", y_origin " << fillPoly -> y_origin << ".\n"
+ << logofs_flush;
+ #endif
+}
+
+void FillPolyStore::identityChecksum(const Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ //
+ // Fields shape, mode.
+ //
+
+ md5_append(md5_state_, buffer + 12, 2);
+}
+
+void FillPolyStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+ const Message *cachedMessage,
+ ChannelCache *channelCache) const
+{
+ FillPolyMessage *fillPoly = (FillPolyMessage *) message;
+ FillPolyMessage *cachedFillPoly = (FillPolyMessage *) cachedMessage;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << fillPoly -> drawable
+ << " as drawable field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(fillPoly -> drawable, clientCache -> drawableCache);
+
+ cachedFillPoly -> drawable = fillPoly -> drawable;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << fillPoly -> gcontext
+ << " as gcontext field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(fillPoly -> gcontext, clientCache -> gcCache);
+
+ cachedFillPoly -> gcontext = fillPoly -> gcontext;
+
+ if (control -> isProtoStep8() == 1 &&
+ fillPoly -> size_ >= dataOffset)
+ {
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << fillPoly -> x_origin
+ << " as x_origin field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeCachedValue(fillPoly -> x_origin, 16,
+ *clientCache -> fillPolyXAbsCache[0], 8);
+
+ cachedFillPoly -> x_origin = fillPoly -> x_origin;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << fillPoly -> y_origin
+ << " as y_origin field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeCachedValue(fillPoly -> y_origin, 16,
+ *clientCache -> fillPolyYAbsCache[0], 8);
+
+ cachedFillPoly -> y_origin = fillPoly -> y_origin;
+ }
+}
+
+void FillPolyStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+ ChannelCache *channelCache) const
+{
+ FillPolyMessage *fillPoly = (FillPolyMessage *) message;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ decodeBuffer.decodeXidValue(fillPoly -> drawable, clientCache -> drawableCache);
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded value " << fillPoly -> drawable
+ << " as drawable field.\n" << logofs_flush;
+ #endif
+
+ decodeBuffer.decodeXidValue(fillPoly -> gcontext, clientCache -> gcCache);
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded value " << fillPoly -> gcontext
+ << " as gcontext field.\n" << logofs_flush;
+ #endif
+
+ if (control -> isProtoStep8() == 1 &&
+ fillPoly -> size_ >= dataOffset)
+ {
+ unsigned int value;
+
+ decodeBuffer.decodeCachedValue(value, 16,
+ *clientCache -> fillPolyXAbsCache[0], 8);
+
+ fillPoly -> x_origin = value;
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded value " << fillPoly -> x_origin
+ << " as x_origin field.\n" << logofs_flush;
+ #endif
+
+ decodeBuffer.decodeCachedValue(value, 16,
+ *clientCache -> fillPolyYAbsCache[0], 8);
+
+ fillPoly -> y_origin = value;
+
+ #ifdef TEST
+ *logofs << name() << ": Decoded value " << fillPoly -> y_origin
+ << " as y_origin field.\n" << logofs_flush;
+ #endif
+ }
+}
+
+