diff --git a/Magick++/lib/CoderInfo.cpp b/Magick++/lib/CoderInfo.cpp
new file mode 100644
index 0000000..4083e82
--- /dev/null
+++ b/Magick++/lib/CoderInfo.cpp
@@ -0,0 +1,88 @@
+// This may look like C code, but it is really -*- C++ -*-
+//
+// Copyright Bob Friesenhahn, 2001, 2002
+//
+// CoderInfo implementation
+//
+
+#define MAGICKCORE_IMPLEMENTATION  1
+#define MAGICK_PLUSPLUS_IMPLEMENTATION 1
+
+#include "Magick++/Include.h"
+#include "Magick++/CoderInfo.h"
+#include "Magick++/Exception.h"
+
+using namespace std;
+
+Magick::CoderInfo::CoderInfo ( const std::string &name_ )
+  : _name(),
+    _description(),
+    _isReadable(false),
+    _isWritable(false),
+    _isMultiFrame(false)
+{
+  ExceptionInfo exceptionInfo;
+  GetExceptionInfo( &exceptionInfo );
+  const Magick::MagickInfo *magickInfo = GetMagickInfo( name_.c_str(), &exceptionInfo );
+  throwException( exceptionInfo );
+  (void) DestroyExceptionInfo( &exceptionInfo );
+  if( magickInfo == 0 )
+    {
+      throwExceptionExplicit(OptionError, "Coder not found", name_.c_str() );
+    }
+  else
+    {
+      _name         = string(magickInfo->name);
+      _description  = string(magickInfo->description);
+      _isReadable   = ((magickInfo->decoder == 0) ? false : true);
+      _isWritable   = ((magickInfo->encoder == 0) ? false : true);
+      _isMultiFrame = ((magickInfo->adjoin == 0) ? false : true);
+    }
+}
+
+Magick::CoderInfo::~CoderInfo ( void )
+{
+  // Nothing to do
+}
+
+// Format name
+std::string Magick::CoderInfo::name( void ) const
+{
+  return _name;
+}
+
+// Format description
+std::string Magick::CoderInfo::description( void ) const
+{
+  return _description;
+}
+
+// Format is readable
+bool Magick::CoderInfo::isReadable( void ) const
+{
+  return _isReadable;
+}
+
+// Format is writeable
+bool Magick::CoderInfo::isWritable( void ) const
+{
+  return _isWritable;
+}
+
+// Format supports multiple frames
+bool Magick::CoderInfo::isMultiFrame( void ) const
+{
+  return _isMultiFrame;
+}
+
+// Construct from MagickCore::MagickInfo*
+Magick::CoderInfo::CoderInfo ( const MagickCore::MagickInfo *magickInfo_ )
+  : _name(string(magickInfo_->name ? magickInfo_->name : "")),
+    _description(string(magickInfo_->description ? magickInfo_->description : "")),
+    _isReadable(magickInfo_->decoder ? true : false),
+    _isWritable(magickInfo_->encoder ? true : false),
+    _isMultiFrame(magickInfo_->adjoin ? true : false)
+{
+  // Nothing more to do
+}
+