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-rw-r--r--nxcomp/CopyArea.cpp187
1 files changed, 187 insertions, 0 deletions
diff --git a/nxcomp/CopyArea.cpp b/nxcomp/CopyArea.cpp
new file mode 100644
index 000000000..e384ce13c
--- /dev/null
+++ b/nxcomp/CopyArea.cpp
@@ -0,0 +1,187 @@
+/**************************************************************************/
+/* */
+/* 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 "CopyArea.h"
+
+#include "ClientCache.h"
+
+#include "EncodeBuffer.h"
+#include "DecodeBuffer.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+#undef DUMP
+
+int CopyAreaStore::parseIdentity(Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ CopyAreaMessage *copyArea = (CopyAreaMessage *) message;
+
+ //
+ // Here is the fingerprint.
+ //
+
+ copyArea -> src_drawable = GetULONG(buffer + 4, bigEndian);
+ copyArea -> dst_drawable = GetULONG(buffer + 8, bigEndian);
+ copyArea -> gcontext = GetULONG(buffer + 12, bigEndian);
+
+ copyArea -> src_x = GetUINT(buffer + 16, bigEndian);
+ copyArea -> src_y = GetUINT(buffer + 18, bigEndian);
+ copyArea -> dst_x = GetUINT(buffer + 20, bigEndian);
+ copyArea -> dst_y = GetUINT(buffer + 22, bigEndian);
+
+ copyArea -> width = GetUINT(buffer + 24, bigEndian);
+ copyArea -> height = GetUINT(buffer + 26, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int CopyAreaStore::unparseIdentity(const Message *message, unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ CopyAreaMessage *copyArea = (CopyAreaMessage *) message;
+
+ //
+ // Fill all the message's fields.
+ //
+
+ PutULONG(copyArea -> src_drawable, buffer + 4, bigEndian);
+ PutULONG(copyArea -> dst_drawable, buffer + 8, bigEndian);
+ PutULONG(copyArea -> gcontext, buffer + 12, bigEndian);
+
+ PutUINT(copyArea -> src_x, buffer + 16, bigEndian);
+ PutUINT(copyArea -> src_y, buffer + 18, bigEndian);
+ PutUINT(copyArea -> dst_x, buffer + 20, bigEndian);
+ PutUINT(copyArea -> dst_y, buffer + 22, bigEndian);
+
+ PutUINT(copyArea -> width, buffer + 24, bigEndian);
+ PutUINT(copyArea -> height, buffer + 26, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+void CopyAreaStore::dumpIdentity(const Message *message) const
+{
+ #ifdef DUMP
+
+ CopyAreaMessage *copyArea = (CopyAreaMessage *) message;
+
+ *logofs << name() << ": Identity src_drawable " << copyArea -> src_drawable
+ << ", dst_drawable " << copyArea -> dst_drawable << ", gcontext " << copyArea -> gcontext
+ << ", src_x " << copyArea -> src_x << ", src_y " << copyArea -> src_y
+ << ", dst_x " << copyArea -> dst_x << ", dst_y " << copyArea -> dst_y
+ << ", width " << copyArea -> width << ", height " << copyArea -> height
+ << ", size " << copyArea -> size_ << ".\n";
+
+ #endif
+}
+
+void CopyAreaStore::identityChecksum(const Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ md5_append(md5_state_, buffer + 16, 12);
+}
+
+void CopyAreaStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+ const Message *cachedMessage,
+ ChannelCache *channelCache) const
+{
+ CopyAreaMessage *copyArea = (CopyAreaMessage *) message;
+ CopyAreaMessage *cachedCopyArea = (CopyAreaMessage *) cachedMessage;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << copyArea -> src_drawable
+ << " as " << "src_drawable" << " field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(copyArea -> src_drawable, clientCache -> drawableCache);
+
+ cachedCopyArea -> src_drawable = copyArea -> src_drawable;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << copyArea -> dst_drawable
+ << " as " << "dst_drawable" << " field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(copyArea -> dst_drawable, clientCache -> drawableCache);
+
+ cachedCopyArea -> dst_drawable = copyArea -> dst_drawable;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << copyArea -> gcontext
+ << " as " << "gcontext" << " field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(copyArea -> gcontext, clientCache -> gcCache);
+
+ cachedCopyArea -> gcontext = copyArea -> gcontext;
+}
+
+void CopyAreaStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+ ChannelCache *channelCache) const
+{
+ CopyAreaMessage *copyArea = (CopyAreaMessage *) message;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ unsigned int value;
+
+ decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);
+
+ copyArea -> src_drawable = value;
+
+ #ifdef DEBUG
+ *logofs << name() << ": Decoded value " << copyArea -> src_drawable
+ << " as " << "src_drawable" << " field.\n" << logofs_flush;
+ #endif
+
+ decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);
+
+ copyArea -> dst_drawable = value;
+
+ #ifdef DEBUG
+ *logofs << name() << ": Decoded value " << copyArea -> dst_drawable
+ << " as " << "dst_drawable" << " field.\n" << logofs_flush;
+ #endif
+
+ decodeBuffer.decodeXidValue(value, clientCache -> gcCache);
+
+ copyArea -> gcontext = value;
+
+ #ifdef DEBUG
+ *logofs << name() << ": Decoded value " << copyArea -> gcontext
+ << " as gcontext field.\n" << logofs_flush;
+ #endif
+}
+
+