michael@0: /*
michael@0:  * Copyright © 2009  Red Hat, Inc.
michael@0:  * Copyright © 2012  Google, 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:  * Google 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_SHAPE_H
michael@0: #define HB_SHAPE_H
michael@0: 
michael@0: #include "hb-common.h"
michael@0: #include "hb-buffer.h"
michael@0: #include "hb-font.h"
michael@0: 
michael@0: HB_BEGIN_DECLS
michael@0: 
michael@0: 
michael@0: typedef struct hb_feature_t {
michael@0:   hb_tag_t      tag;
michael@0:   uint32_t      value;
michael@0:   unsigned int  start;
michael@0:   unsigned int  end;
michael@0: } hb_feature_t;
michael@0: 
michael@0: /* len=-1 means str is NUL-terminated */
michael@0: hb_bool_t
michael@0: hb_feature_from_string (const char *str, int len,
michael@0: 			hb_feature_t *feature);
michael@0: 
michael@0: /* Something like 128 bytes is more than enough.
michael@0:  * nul-terminates. */
michael@0: void
michael@0: hb_feature_to_string (hb_feature_t *feature,
michael@0: 		      char *buf, unsigned int size);
michael@0: 
michael@0: 
michael@0: void
michael@0: hb_shape (hb_font_t           *font,
michael@0: 	  hb_buffer_t         *buffer,
michael@0: 	  const hb_feature_t  *features,
michael@0: 	  unsigned int         num_features);
michael@0: 
michael@0: hb_bool_t
michael@0: hb_shape_full (hb_font_t          *font,
michael@0: 	       hb_buffer_t        *buffer,
michael@0: 	       const hb_feature_t *features,
michael@0: 	       unsigned int        num_features,
michael@0: 	       const char * const *shaper_list);
michael@0: 
michael@0: const char **
michael@0: hb_shape_list_shapers (void);
michael@0: 
michael@0: 
michael@0: HB_END_DECLS
michael@0: 
michael@0: #endif /* HB_SHAPE_H */