Imported nxcomp-3.1.0-4.tar.gznxcomp/3.1.0-4

Summary: Imported nxcomp-3.1.0-4.tar.gz
Keywords:

Imported nxcomp-3.1.0-4.tar.gz
into Git repository

1 files changed, 268 insertions, 0 deletions

diff --git a/nxcomp/CreatePixmap.cpp b/nxcomp/CreatePixmap.cpp
new file mode 100755
index 000000000..cc2b5bdcf
--- /dev/null
+++ b/nxcomp/CreatePixmap.cpp
@@ -0,0 +1,268 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 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 NoMachine S.r.l.                    */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "CreatePixmap.h"
+
+#include "ClientCache.h"
+
+#include "EncodeBuffer.h"
+#include "DecodeBuffer.h"
+
+#include "WriteBuffer.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+//
+// Constructors and destructors.
+//
+
+CreatePixmapStore::CreatePixmapStore()
+
+  : MessageStore()
+{
+  enableCache    = CREATEPIXMAP_ENABLE_CACHE;
+  enableData     = CREATEPIXMAP_ENABLE_DATA;
+  enableSplit    = CREATEPIXMAP_ENABLE_SPLIT;
+  enableCompress = CREATEPIXMAP_ENABLE_COMPRESS;
+
+  dataLimit  = CREATEPIXMAP_DATA_LIMIT;
+  dataOffset = CREATEPIXMAP_DATA_OFFSET;
+
+  cacheSlots          = CREATEPIXMAP_CACHE_SLOTS;
+  cacheThreshold      = CREATEPIXMAP_CACHE_THRESHOLD;
+  cacheLowerThreshold = CREATEPIXMAP_CACHE_LOWER_THRESHOLD;
+
+  messages_ -> resize(cacheSlots);
+
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    *i = NULL;
+  }
+
+  temporary_ = NULL;
+}
+
+CreatePixmapStore::~CreatePixmapStore()
+{
+  for (T_messages::iterator i = messages_ -> begin();
+           i < messages_ -> end(); i++)
+  {
+    destroy(*i);
+  }
+
+  destroy(temporary_);
+}
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int CreatePixmapStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
+                                          const unsigned int size, int bigEndian,
+                                              ChannelCache *channelCache) const
+{
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
+                     clientCache -> depthCache);
+
+  encodeBuffer.encodeNewXidValue(GetULONG(buffer + 4, bigEndian),
+                     clientCache -> lastId, clientCache -> lastIdCache,
+                         clientCache -> drawableCache,
+                             clientCache -> freeDrawableCache);
+
+  encodeBuffer.encodeXidValue(GetULONG(buffer + 8, bigEndian),
+                     clientCache -> windowCache);
+
+  encodeBuffer.encodeCachedValue(GetUINT(buffer + 12, bigEndian), 16,
+                     clientCache -> createPixmapXCache, 8);
+
+  encodeBuffer.encodeCachedValue(GetUINT(buffer + 14, bigEndian), 16,
+                     clientCache -> createPixmapYCache, 8);
+
+  #ifdef TEST
+  *logofs << name() << ": Encoded message. Size is "
+          << size << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int CreatePixmapStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
+                                          unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
+                                              ChannelCache *channelCache) const
+{
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  unsigned char cValue;
+  unsigned int  value;
+
+  size = 16;
+
+  buffer = writeBuffer -> addMessage(size);
+
+  decodeBuffer.decodeCachedValue(cValue, 8,
+                     clientCache -> depthCache);
+
+  *(buffer + 1) = cValue;
+
+  decodeBuffer.decodeNewXidValue(value,
+                     clientCache -> lastId, clientCache -> lastIdCache,
+                         clientCache -> drawableCache,
+                             clientCache -> freeDrawableCache);
+
+  PutULONG(value, buffer + 4, bigEndian);
+
+  decodeBuffer.decodeXidValue(value,
+                     clientCache -> windowCache);
+
+  PutULONG(value, buffer + 8, bigEndian);
+
+  decodeBuffer.decodeCachedValue(value, 16,
+                     clientCache -> createPixmapXCache, 8);
+
+  PutUINT(value, buffer + 12, bigEndian);
+
+  decodeBuffer.decodeCachedValue(value, 16,
+                     clientCache -> createPixmapYCache, 8);
+
+  PutUINT(value, buffer + 14, bigEndian);
+
+  #ifdef TEST
+  *logofs << name() << ": Decoded message. Size is "
+          << size << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int CreatePixmapStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                         unsigned int size, int bigEndian) const
+{
+  CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+  createPixmap -> depth = *(buffer + 1);
+
+  createPixmap -> id       = GetULONG(buffer + 4, bigEndian);
+  createPixmap -> drawable = GetULONG(buffer + 8, bigEndian);
+
+  createPixmap -> width  = GetUINT(buffer + 12, bigEndian);
+  createPixmap -> height = GetUINT(buffer + 14, bigEndian);
+
+  #ifdef TEST
+  *logofs << name() << ": Parsed identity. Size is "
+          << createPixmap -> size_ << " identity is "
+          << createPixmap -> i_size_ << ".\n"
+          << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int CreatePixmapStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                           unsigned int size, int bigEndian) const
+{
+  CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+  *(buffer + 1) = createPixmap -> depth;
+
+  PutULONG(createPixmap -> id,       buffer + 4, bigEndian);
+  PutULONG(createPixmap -> drawable, buffer + 8, bigEndian);
+
+  PutUINT(createPixmap -> width,  buffer + 12, bigEndian);
+  PutUINT(createPixmap -> height, buffer + 14, bigEndian);
+
+  #ifdef TEST
+  *logofs << name() << ": Unparsed identity. Size is "
+          << createPixmap -> size_ << " identity is "
+          << createPixmap -> i_size_ << ".\n"
+          << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void CreatePixmapStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  #ifdef WARNING
+  *logofs << name() << ": WARNING! Dump of identity not implemented.\n"
+          << logofs_flush;
+  #endif
+
+  #endif
+}
+
+void CreatePixmapStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                             unsigned int size, int bigEndian) const
+{
+  md5_append(md5_state_, buffer + 1, 1);
+  md5_append(md5_state_, buffer + 8, 8);
+}
+
+void CreatePixmapStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                           const Message *cachedMessage,
+                                               ChannelCache *channelCache) const
+{
+  CreatePixmapMessage *createPixmap       = (CreatePixmapMessage *) message;
+  CreatePixmapMessage *cachedCreatePixmap = (CreatePixmapMessage *) cachedMessage;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  encodeBuffer.encodeNewXidValue(createPixmap -> id,
+                     clientCache -> lastId, clientCache -> lastIdCache,
+                         clientCache -> drawableCache,
+                             clientCache -> freeDrawableCache);
+
+  cachedCreatePixmap -> id = createPixmap -> id;
+
+  #ifdef TEST
+  *logofs << name() << ": Encoded update. Size is "
+          << createPixmap -> size_ << " identity is "
+          << createPixmap -> i_size_ << ".\n"
+          << logofs_flush;
+  #endif
+}
+
+void CreatePixmapStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                           ChannelCache *channelCache) const
+{
+  CreatePixmapMessage *createPixmap = (CreatePixmapMessage *) message;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  decodeBuffer.decodeNewXidValue(createPixmap -> id,
+                     clientCache -> lastId, clientCache -> lastIdCache,
+                         clientCache -> drawableCache,
+                             clientCache -> freeDrawableCache);
+
+  #ifdef TEST
+  *logofs << name() << ": Decoded update. Size is "
+          << createPixmap -> size_ << " identity is "
+          << createPixmap -> i_size_ << ".\n"
+          << logofs_flush;
+  #endif
+}