Initial commit

common/rfb/Decoder.cxx

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+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright 2014 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+#include <stdio.h>
+#include <rfb/encodings.h>
+#include <rfb/Region.h>
+#include <rfb/Decoder.h>
+#include <rfb/RawDecoder.h>
+#include <rfb/CopyRectDecoder.h>
+#include <rfb/RREDecoder.h>
+#include <rfb/HextileDecoder.h>
+#include <rfb/ZRLEDecoder.h>
+#include <rfb/TightDecoder.h>
+
+using namespace rfb;
+
+Decoder::Decoder(enum DecoderFlags flags) : flags(flags)
+{
+}
+
+Decoder::~Decoder()
+{
+}
+
+void Decoder::getAffectedRegion(const Rect& rect, const void* buffer,
+                                size_t buflen, const ConnParams& cp,
+                                Region* region)
+{
+  region->reset(rect);
+}
+
+bool Decoder::doRectsConflict(const Rect& rectA, const void* bufferA,
+                              size_t buflenA, const Rect& rectB,
+                              const void* bufferB, size_t buflenB,
+                              const ConnParams& cp)
+{
+  return false;
+}
+
+bool Decoder::supported(int encoding)
+{
+  switch (encoding) {
+  case encodingRaw:
+  case encodingCopyRect:
+  case encodingRRE:
+  case encodingHextile:
+  case encodingZRLE:
+  case encodingTight:
+    return true;
+  default:
+    return false;
+  }
+}
+
+Decoder* Decoder::createDecoder(int encoding)
+{
+  switch (encoding) {
+  case encodingRaw:
+    return new RawDecoder();
+  case encodingCopyRect:
+    return new CopyRectDecoder();
+  case encodingRRE:
+    return new RREDecoder();
+  case encodingHextile:
+    return new HextileDecoder();
+  case encodingZRLE:
+    return new ZRLEDecoder();
+  case encodingTight:
+    return new TightDecoder();
+  default:
+    return NULL;
+  }
+}