diff --git a/common/rfb/PixelFormat.h b/common/rfb/PixelFormat.h
new file mode 100644
index 0000000..111c38c
--- /dev/null
+++ b/common/rfb/PixelFormat.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * 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.
+ */
+//
+// PixelFormat - structure to represent a pixel format.  Also has useful
+// methods for reading & writing to streams, etc.
+//
+
+#ifndef __RFB_PIXELFORMAT_H__
+#define __RFB_PIXELFORMAT_H__
+
+#include <rfb/Pixel.h>
+#include <rfb/ColourMap.h>
+
+namespace rdr { class InStream; class OutStream; }
+
+namespace rfb {
+
+  class PixelFormat {
+  public:
+    PixelFormat(int b, int d, bool e, bool t,
+                int rm=0, int gm=0, int bm=0, int rs=0, int gs=0, int bs=0);
+    PixelFormat();
+    bool equal(const PixelFormat& other) const;
+    void read(rdr::InStream* is);
+    void write(rdr::OutStream* os) const;
+    Pixel pixelFromRGB(rdr::U16 red, rdr::U16 green, rdr::U16 blue, ColourMap* cm=0) const;
+    void rgbFromPixel(Pixel pix, ColourMap* cm, Colour* rgb) const;
+    void print(char* str, int len) const;
+    bool parse(const char* str);
+
+    int bpp;
+    int depth;
+    bool bigEndian;
+    bool trueColour;
+    int redMax;
+    int greenMax;
+    int blueMax;
+    int redShift;
+    int greenShift;
+    int blueShift;
+  };
+}
+#endif