src/hb-shape-plan.hh

   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 #ifndef HB_NO_OT_SHAPE
  43   hb_ot_shape_plan_key_t   ot;
  44 #endif
  45
  46   hb_shape_func_t         *shaper_func;
  47   const char              *shaper_name;
  48
  49   HB_INTERNAL bool init (bool                           copy,
  50                          hb_face_t                     *face,
  51                          const hb_segment_properties_t *props,
  52                          const hb_feature_t            *user_features,
  53                          unsigned int                   num_user_features,
  54                          const int                     *coords,
  55                          unsigned int                   num_coords,
  56                          const char * const            *shaper_list);
  57
  58   HB_INTERNAL void fini () { hb_free ((void *) user_features); }
  59
  60   HB_INTERNAL bool user_features_match (const hb_shape_plan_key_t *other);
  61
  62   HB_INTERNAL bool equal (const hb_shape_plan_key_t *other);
  63 };
  64
  65 struct hb_shape_plan_t
  66 {
  67   hb_object_header_t header;
  68   hb_face_t *face_unsafe; /* We don't carry a reference to face. */
  69   hb_shape_plan_key_t key;
  70 #ifndef HB_NO_OT_SHAPE
  71   hb_ot_shape_plan_t ot;
  72 #endif
  73 };
  74
  75
  76 #endif /* HB_SHAPE_PLAN_HH */