/*

 * Copyright © 2009  Red Hat, Inc.

 *

 *  This is part of HarfBuzz, a text shaping library.

 *

 * Permission is hereby granted, without written agreement and without

 * license or royalty fees, to use, copy, modify, and distribute this

 * software and its documentation for any purpose, provided that the

 * above copyright notice and the following two paragraphs appear in

 * all copies of this software.

 *

 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR

 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES

 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN

 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH

 * DAMAGE.

 *

 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,

 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS

 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO

 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 *

 * Red Hat Author(s): Behdad Esfahbod

 */

#ifndef HB_H_IN

#error "Include <hb.h> instead."

#endif

#ifndef HB_FACE_H

#define HB_FACE_H

#include "hb-common.h"

#include "hb-blob.h"

HB_BEGIN_DECLS

HB_EXTERN unsigned int

hb_face_count (hb_blob_t *blob);

/*

 * hb_face_t

 */

typedef struct hb_face_t hb_face_t;

HB_EXTERN hb_face_t *

hb_face_create (hb_blob_t    *blob,

                unsigned int  index);

typedef hb_blob_t * (*hb_reference_table_func_t)  (hb_face_t *face, hb_tag_t tag, void *user_data);

/* calls destroy() when not needing user_data anymore */

HB_EXTERN hb_face_t *

hb_face_create_for_tables (hb_reference_table_func_t  reference_table_func,

                           void                      *user_data,

                           hb_destroy_func_t          destroy);

HB_EXTERN hb_face_t *

hb_face_get_empty (void);

HB_EXTERN hb_face_t *

hb_face_reference (hb_face_t *face);

HB_EXTERN void

hb_face_destroy (hb_face_t *face);

HB_EXTERN hb_bool_t

hb_face_set_user_data (hb_face_t          *face,

                       hb_user_data_key_t *key,

                       void *              data,

                       hb_destroy_func_t   destroy,

                       hb_bool_t           replace);

HB_EXTERN void *

                       hb_user_data_key_t *key);

HB_EXTERN void

hb_face_make_immutable (hb_face_t *face);

HB_EXTERN hb_bool_t

HB_EXTERN hb_blob_t *

HB_EXTERN hb_blob_t *

hb_face_reference_blob (hb_face_t *face);

HB_EXTERN void

hb_face_set_index (hb_face_t    *face,

                   unsigned int  index);

HB_EXTERN unsigned int

HB_EXTERN void

hb_face_set_upem (hb_face_t    *face,

                  unsigned int  upem);

HB_EXTERN unsigned int

HB_EXTERN void

hb_face_set_glyph_count (hb_face_t    *face,

                         unsigned int  glyph_count);

HB_EXTERN unsigned int

HB_EXTERN unsigned int

                        unsigned int  start_offset,

                        unsigned int *table_count, /* IN/OUT */

                        hb_tag_t     *table_tags /* OUT */);

HB_END_DECLS

#endif /* HB_FACE_H */