1 /*
   2  * Copyright © 2012,2018  Google, Inc.
   3  *
   4  *  This is part of HarfBuzz, a text shaping library.
   5  *
   6  * Permission is hereby granted, without written agreement and without
   7  * license or royalty fees, to use, copy, modify, and distribute this
   8  * software and its documentation for any purpose, provided that the
   9  * above copyright notice and the following two paragraphs appear in
  10  * all copies of this software.
  11  *
  12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  16  * DAMAGE.
  17  *
  18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  23  *
  24  * Google Author(s): Behdad Esfahbod
  25  */
  26 
  27 #ifndef HB_SHAPE_PLAN_HH
  28 #define HB_SHAPE_PLAN_HH
  29 
  30 #include "hb.hh"
  31 #include "hb-shaper.hh"
  32 #include "hb-ot-shape.hh"
  33 
  34 
  35 struct hb_shape_plan_key_t
  36 {
  37   hb_segment_properties_t  props;
  38 
  39   const hb_feature_t      *user_features;
  40   unsigned int             num_user_features;
  41 
  42   hb_ot_shape_plan_key_t   ot;
  43 
  44   hb_shape_func_t         *shaper_func;
  45   const char              *shaper_name;
  46 
  47   HB_INTERNAL inline bool init (bool                           copy,
  48                                 hb_face_t                     *face,
  49                                 const hb_segment_properties_t *props,
  50                                 const hb_feature_t            *user_features,
  51                                 unsigned int                   num_user_features,
  52                                 const int                     *coords,
  53                                 unsigned int                   num_coords,
  54                                 const char * const            *shaper_list);
  55 
  56   HB_INTERNAL inline void free () { ::free ((void *) user_features); }
  57 
  58   HB_INTERNAL bool user_features_match (const hb_shape_plan_key_t *other);
  59 
  60   HB_INTERNAL bool equal (const hb_shape_plan_key_t *other);
  61 };
  62 
  63 struct hb_shape_plan_t
  64 {
  65   hb_object_header_t header;
  66   hb_face_t *face_unsafe; /* We don't carry a reference to face. */
  67   hb_shape_plan_key_t key;
  68   hb_ot_shape_plan_t ot;
  69 };
  70 
  71 
  72 #endif /* HB_SHAPE_PLAN_HH */