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diff --git a/boost/gil/extension/io/targa/detail/scanline_read.hpp b/boost/gil/extension/io/targa/detail/scanline_read.hpp
new file mode 100644
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+++ b/boost/gil/extension/io/targa/detail/scanline_read.hpp
@@ -0,0 +1,167 @@
+/*
+    Copyright 2012 Kenneth Riddile and Christian Henning
+    Use, modification and distribution are subject to the Boost Software License,
+    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+    http://www.boost.org/LICENSE_1_0.txt).
+*/
+
+/*************************************************************************************************/
+
+#ifndef BOOST_GIL_EXTENSION_IO_TARGA_DETAIL_SCANLINE_READ_HPP
+#define BOOST_GIL_EXTENSION_IO_TARGA_DETAIL_SCANLINE_READ_HPP
+
+////////////////////////////////////////////////////////////////////////////////////////
+/// \file
+/// \brief
+/// \author Kenneth Riddile and Christian Henning \n
+///
+/// \date 2012 \n
+///
+////////////////////////////////////////////////////////////////////////////////////////
+
+#include <vector>
+
+#include <boost/gil/io/base.hpp>
+#include <boost/gil/io/bit_operations.hpp>
+#include <boost/gil/io/conversion_policies.hpp>
+#include <boost/gil/io/row_buffer_helper.hpp>
+#include <boost/gil/io/reader_base.hpp>
+#include <boost/gil/io/device.hpp>
+#include <boost/gil/io/scanline_read_iterator.hpp>
+#include <boost/gil/io/typedefs.hpp>
+
+#include <boost/gil/extension/io/targa/detail/reader_backend.hpp>
+#include <boost/gil/extension/io/targa/detail/is_allowed.hpp>
+
+namespace boost { namespace gil {
+
+///
+/// Targa Scanline Reader
+///
+template< typename Device >
+class scanline_reader< Device
+                     , targa_tag
+                     >
+    : public reader_backend< Device
+                           , targa_tag
+                           >
+{
+public:
+
+
+    typedef targa_tag tag_t;
+    typedef reader_backend < Device, tag_t > backend_t;
+    typedef scanline_reader< Device, tag_t > this_t;
+    typedef scanline_read_iterator< this_t > iterator_t;
+
+public:
+
+    //
+    // Constructor
+    //
+    scanline_reader( Device&                                 device
+                   , const image_read_settings< targa_tag >& settings
+                   )
+    : backend_t( device
+                    , settings
+                    )
+    {
+        initialize();
+    }
+
+    /// Read part of image defined by View and return the data.
+    void read( byte_t* dst, int pos )
+    {
+        // jump to scanline
+        long offset = this->_info._offset
+                    + ( this->_info._height - 1 - pos ) * static_cast< long >( this->_scanline_length );
+        
+        this->_io_dev.seek( offset );
+        
+
+        read_row( dst );
+    }
+
+    /// Skip over a scanline.
+    void skip( byte_t*, int )
+    {
+        this->_io_dev.seek( static_cast<long>( this->_scanline_length )
+                          , SEEK_CUR
+                          );
+    }
+
+    iterator_t begin() { return iterator_t( *this ); }
+    iterator_t end()   { return iterator_t( *this, this->_info._height ); }
+
+private:
+
+    void initialize()
+    {
+        if( this->_info._color_map_type != targa_color_map_type::_rgb )
+        {
+            io_error( "scanline reader cannot read indexed targa files." );
+        }
+        
+        if( this->_info._image_type != targa_image_type::_rgb )
+        {
+            io_error( "scanline reader cannot read this targa image type." );
+        }
+
+        switch( this->_info._image_type )
+        {
+            case targa_image_type::_rgb:
+            {
+                if( this->_info._color_map_type != targa_color_map_type::_rgb )
+                {
+                    io_error( "Inconsistent color map type and image type in targa file." );
+                }
+                
+                if( this->_info._color_map_length != 0 )
+                {
+                    io_error( "Non-indexed targa files containing a palette are not supported." );
+                }
+
+                if( this->_info._screen_origin_bit )
+                {
+                    io_error( "scanline reader cannot read targa files which have screen origin bit set." );
+                }
+                
+                switch( this->_info._bits_per_pixel )
+                {
+                    case 24:
+                    case 32:
+                    {
+                        this->_scanline_length = this->_info._width * ( this->_info._bits_per_pixel / 8 );
+
+                        // jump to first scanline
+                        this->_io_dev.seek( static_cast< long >( this->_info._offset ));
+
+                        break;
+                    }
+                    default:
+                    {
+                        io_error( "Unsupported bit depth in targa file." );
+                        break;
+                    }
+                }
+                
+                break;
+            }
+            default:
+            {
+                io_error( "Unsupported image type in targa file." );
+                break;
+            }
+        }
+    }
+
+    void read_row( byte_t* dst )
+    {
+        this->_io_dev.read( dst, this->_scanline_length );
+    }
+};
+
+} // namespace gil
+} // namespace boost
+
+#endif