michael@0: /*
michael@0:  * Copyright © 2009  Red Hat, Inc.
michael@0:  *
michael@0:  *  This is part of HarfBuzz, a text shaping library.
michael@0:  *
michael@0:  * Permission is hereby granted, without written agreement and without
michael@0:  * license or royalty fees, to use, copy, modify, and distribute this
michael@0:  * software and its documentation for any purpose, provided that the
michael@0:  * above copyright notice and the following two paragraphs appear in
michael@0:  * all copies of this software.
michael@0:  *
michael@0:  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
michael@0:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
michael@0:  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
michael@0:  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
michael@0:  * DAMAGE.
michael@0:  *
michael@0:  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
michael@0:  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
michael@0:  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
michael@0:  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
michael@0:  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
michael@0:  *
michael@0:  * Red Hat Author(s): Behdad Esfahbod
michael@0:  */
michael@0: 
michael@0: #ifndef HB_H_IN
michael@0: #error "Include <hb.h> instead."
michael@0: #endif
michael@0: 
michael@0: #ifndef HB_FACE_H
michael@0: #define HB_FACE_H
michael@0: 
michael@0: #include "hb-common.h"
michael@0: #include "hb-blob.h"
michael@0: 
michael@0: HB_BEGIN_DECLS
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * hb_face_t
michael@0:  */
michael@0: 
michael@0: typedef struct hb_face_t hb_face_t;
michael@0: 
michael@0: hb_face_t *
michael@0: hb_face_create (hb_blob_t    *blob,
michael@0: 		unsigned int  index);
michael@0: 
michael@0: typedef hb_blob_t * (*hb_reference_table_func_t)  (hb_face_t *face, hb_tag_t tag, void *user_data);
michael@0: 
michael@0: /* calls destroy() when not needing user_data anymore */
michael@0: hb_face_t *
michael@0: hb_face_create_for_tables (hb_reference_table_func_t  reference_table_func,
michael@0: 			   void                      *user_data,
michael@0: 			   hb_destroy_func_t          destroy);
michael@0: 
michael@0: hb_face_t *
michael@0: hb_face_get_empty (void);
michael@0: 
michael@0: hb_face_t *
michael@0: hb_face_reference (hb_face_t *face);
michael@0: 
michael@0: void
michael@0: hb_face_destroy (hb_face_t *face);
michael@0: 
michael@0: hb_bool_t
michael@0: hb_face_set_user_data (hb_face_t          *face,
michael@0: 		       hb_user_data_key_t *key,
michael@0: 		       void *              data,
michael@0: 		       hb_destroy_func_t   destroy,
michael@0: 		       hb_bool_t           replace);
michael@0: 
michael@0: 
michael@0: void *
michael@0: hb_face_get_user_data (hb_face_t          *face,
michael@0: 		       hb_user_data_key_t *key);
michael@0: 
michael@0: void
michael@0: hb_face_make_immutable (hb_face_t *face);
michael@0: 
michael@0: hb_bool_t
michael@0: hb_face_is_immutable (hb_face_t *face);
michael@0: 
michael@0: 
michael@0: hb_blob_t *
michael@0: hb_face_reference_table (hb_face_t *face,
michael@0: 			 hb_tag_t   tag);
michael@0: 
michael@0: hb_blob_t *
michael@0: hb_face_reference_blob (hb_face_t *face);
michael@0: 
michael@0: void
michael@0: hb_face_set_index (hb_face_t    *face,
michael@0: 		   unsigned int  index);
michael@0: 
michael@0: unsigned int
michael@0: hb_face_get_index (hb_face_t    *face);
michael@0: 
michael@0: void
michael@0: hb_face_set_upem (hb_face_t    *face,
michael@0: 		  unsigned int  upem);
michael@0: 
michael@0: unsigned int
michael@0: hb_face_get_upem (hb_face_t *face);
michael@0: 
michael@0: void
michael@0: hb_face_set_glyph_count (hb_face_t    *face,
michael@0: 			 unsigned int  glyph_count);
michael@0: 
michael@0: unsigned int
michael@0: hb_face_get_glyph_count (hb_face_t *face);
michael@0: 
michael@0: 
michael@0: HB_END_DECLS
michael@0: 
michael@0: #endif /* HB_FACE_H */