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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 
freehb_shape_plan_key_t58   HB_INTERNAL void free () { ::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 */
77