1 /*
   2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.  Oracle designates this
   7  * particular file as subject to the "Classpath" exception as provided
   8  * by Oracle in the LICENSE file that accompanied this code.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  */
  24 
  25 // This file is available under and governed by the GNU General Public
  26 // License version 2 only, as published by the Free Software Foundation.
  27 // However, the following notice accompanied the original version of this
  28 // file:
  29 //
  30 /*
  31  * Copyright © 2009  Red Hat, Inc.
  32  * Copyright © 2012  Google, Inc.
  33  *
  34  *  This is part of HarfBuzz, a text shaping library.
  35  *
  36  * Permission is hereby granted, without written agreement and without
  37  * license or royalty fees, to use, copy, modify, and distribute this
  38  * software and its documentation for any purpose, provided that the
  39  * above copyright notice and the following two paragraphs appear in
  40  * all copies of this software.
  41  *
  42  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  43  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  44  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  45  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  46  * DAMAGE.
  47  *
  48  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  49  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  50  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  51  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  52  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  53  *
  54  * Red Hat Author(s): Behdad Esfahbod
  55  * Google Author(s): Behdad Esfahbod
  56  */
  57 
  58 #ifndef HB_H_IN
  59 #error "Include <hb.h> instead."
  60 #endif
  61 
  62 #ifndef HB_SHAPE_H
  63 #define HB_SHAPE_H
  64 
  65 #include "hb-common.h"
  66 #include "hb-buffer.h"
  67 #include "hb-font.h"
  68 
  69 HB_BEGIN_DECLS
  70 
  71 
  72 typedef struct hb_feature_t {
  73   hb_tag_t      tag;
  74   uint32_t      value;
  75   unsigned int  start;
  76   unsigned int  end;
  77 } hb_feature_t;
  78 
  79 hb_bool_t
  80 hb_feature_from_string (const char *str, int len,
  81                         hb_feature_t *feature);
  82 
  83 void
  84 hb_feature_to_string (hb_feature_t *feature,
  85                       char *buf, unsigned int size);
  86 
  87 
  88 void
  89 hb_shape (hb_font_t           *font,
  90           hb_buffer_t         *buffer,
  91           const hb_feature_t  *features,
  92           unsigned int         num_features);
  93 
  94 hb_bool_t
  95 hb_shape_full (hb_font_t          *font,
  96                hb_buffer_t        *buffer,
  97                const hb_feature_t *features,
  98                unsigned int        num_features,
  99                const char * const *shaper_list);
 100 
 101 const char **
 102 hb_shape_list_shapers (void);
 103 
 104 
 105 HB_END_DECLS
 106 
 107 #endif /* HB_SHAPE_H */