The Tor Browser: gfx/harfbuzz/src/hb-shape.h@925c144e1f1f

     1 /*

     2  * Copyright © 2009  Red Hat, Inc.

     3  * Copyright © 2012  Google, Inc.

     4  *

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

     6  *

     7  * Permission is hereby granted, without written agreement and without

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

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

    10  * above copyright notice and the following two paragraphs appear in

    11  * all copies of this software.

    12  *

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

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

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

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

    17  * DAMAGE.

    18  *

    19  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,

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

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

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

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

    24  *

    25  * Red Hat Author(s): Behdad Esfahbod

    26  * Google Author(s): Behdad Esfahbod

    27  */

    29 #ifndef HB_H_IN

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

    31 #endif

    33 #ifndef HB_SHAPE_H

    34 #define HB_SHAPE_H

    36 #include "hb-common.h"

    37 #include "hb-buffer.h"

    38 #include "hb-font.h"

    40 HB_BEGIN_DECLS

    43 typedef struct hb_feature_t {

    44   hb_tag_t      tag;

    45   uint32_t      value;

    46   unsigned int  start;

    47   unsigned int  end;

    48 } hb_feature_t;

    50 /* len=-1 means str is NUL-terminated */

    51 hb_bool_t

    52 hb_feature_from_string (const char *str, int len,

    53 			hb_feature_t *feature);

    55 /* Something like 128 bytes is more than enough.

    56  * nul-terminates. */

    57 void

    58 hb_feature_to_string (hb_feature_t *feature,

    59 		      char *buf, unsigned int size);

    62 void

    63 hb_shape (hb_font_t           *font,

    64 	  hb_buffer_t         *buffer,

    65 	  const hb_feature_t  *features,

    66 	  unsigned int         num_features);

    68 hb_bool_t

    69 hb_shape_full (hb_font_t          *font,

    70 	       hb_buffer_t        *buffer,

    71 	       const hb_feature_t *features,

    72 	       unsigned int        num_features,

    73 	       const char * const *shaper_list);

    75 const char **

    76 hb_shape_list_shapers (void);

    79 HB_END_DECLS

    81 #endif /* HB_SHAPE_H */

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