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diff --git a/server/glz_encoder.h b/server/glz_encoder.h
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+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   This program 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 program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _H_GLZ_ENCODER
+#define _H_GLZ_ENCODER
+
+/* Manging the lz encoding using a dictionary that is shared among encoders */
+
+#include <stdint.h>
+#include "lz_common.h"
+#include "glz_encoder_dictionary.h"
+#include "glz_encoder_config.h"
+
+typedef void GlzEncoderContext;
+
+GlzEncoderContext *glz_encoder_create(uint8_t id, GlzEncDictContext *dictionary,
+                                      GlzEncoderUsrContext *usr);
+
+void glz_encoder_destroy(GlzEncoderContext *opaque_encoder);
+
+/*
+        assumes width is in pixels and stride is in bytes
+    usr_context       : when an image is released from the window due to capicity overflow,
+                        usr_context is given as a parmater to the free_image callback.
+    o_enc_dict_context: if glz_enc_dictionary_remove_image is called, it should be
+                        called with the o_enc_dict_context that is associated with
+                        the image.
+
+        return: the number of bytes in the compressed data and sets o_enc_dict_context
+
+        NOTE  :	currently supports only rgb images in which width*bytes_per_pixel = stride OR
+                palette images in which stride eqauls the min number of bytes to hold a line.
+                The stride should be > 0
+*/
+int glz_encode(GlzEncoderContext *opaque_encoder, LzImageType type, int width, int height,
+               int top_down, uint8_t *lines, unsigned int num_lines, int stride,
+               uint8_t *io_ptr, unsigned int num_io_bytes, GlzUsrImageContext *usr_context,
+               GlzEncDictImageContext **o_enc_dict_context);
+
+
+#endif // _H_GLZ_ENCODER
+