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      1 /*
      2  * Copyright  2007,2008,2009  Red Hat, Inc.
      3  * Copyright  2012,2013  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  */
     28 
     29 #ifndef HB_OT_FACE_HH
     30 #define HB_OT_FACE_HH
     31 
     32 #include "hb.hh"
     33 
     34 #include "hb-machinery.hh"
     35 
     36 
     37 /*
     38  * hb_ot_face_t
     39  */
     40 
     41 #define HB_OT_TABLES \
     42     /* OpenType fundamentals. */ \
     43     HB_OT_TABLE(OT, head) \
     44     HB_OT_ACCELERATOR(OT, cmap) \
     45     HB_OT_ACCELERATOR(OT, hmtx) \
     46     HB_OT_ACCELERATOR(OT, vmtx) \
     47     HB_OT_ACCELERATOR(OT, post) \
     48     HB_OT_TABLE(OT, kern) \
     49     HB_OT_ACCELERATOR(OT, glyf) \
     50     HB_OT_ACCELERATOR(OT, cff1) \
     51     HB_OT_ACCELERATOR(OT, cff2) \
     52     HB_OT_TABLE(OT, VORG) \
     53     HB_OT_ACCELERATOR(OT, name) \
     54     HB_OT_TABLE(OT, OS2) \
     55     HB_OT_TABLE(OT, STAT) \
     56     /* OpenType shaping. */ \
     57     HB_OT_ACCELERATOR(OT, GDEF) \
     58     HB_OT_ACCELERATOR(OT, GSUB) \
     59     HB_OT_ACCELERATOR(OT, GPOS) \
     60     HB_OT_TABLE(OT, BASE) \
     61     HB_OT_TABLE(OT, JSTF) \
     62     /* AAT shaping. */ \
     63     HB_OT_TABLE(AAT, mort) \
     64     HB_OT_TABLE(AAT, morx) \
     65     HB_OT_TABLE(AAT, kerx) \
     66     HB_OT_TABLE(AAT, ankr) \
     67     HB_OT_TABLE(AAT, trak) \
     68     HB_OT_TABLE(AAT, lcar) \
     69     HB_OT_TABLE(AAT, ltag) \
     70     HB_OT_TABLE(AAT, feat) \
     71     /* OpenType variations. */ \
     72     HB_OT_TABLE(OT, fvar) \
     73     HB_OT_TABLE(OT, avar) \
     74     HB_OT_TABLE(OT, MVAR) \
     75     /* OpenType math. */ \
     76     HB_OT_TABLE(OT, MATH) \
     77     /* OpenType color fonts. */ \
     78     HB_OT_TABLE(OT, COLR) \
     79     HB_OT_TABLE(OT, CPAL) \
     80     HB_OT_ACCELERATOR(OT, CBDT) \
     81     HB_OT_ACCELERATOR(OT, sbix) \
     82     HB_OT_ACCELERATOR(OT, SVG) \
     83     /* */
     84 
     85 /* Declare tables. */
     86 #define HB_OT_TABLE(Namespace, Type) namespace Namespace { struct Type; }
     87 #define HB_OT_ACCELERATOR(Namespace, Type) HB_OT_TABLE (Namespace, Type##_accelerator_t)
     88 HB_OT_TABLES
     89 #undef HB_OT_ACCELERATOR
     90 #undef HB_OT_TABLE
     91 
     92 struct hb_ot_face_t
     93 {
     94   HB_INTERNAL void init0 (hb_face_t *face);
     95   HB_INTERNAL void fini ();
     96 
     97 #define HB_OT_TABLE_ORDER(Namespace, Type) \
     98     HB_PASTE (ORDER_, HB_PASTE (Namespace, HB_PASTE (_, Type)))
     99   enum order_t
    100   {
    101     ORDER_ZERO,
    102 #define HB_OT_TABLE(Namespace, Type) HB_OT_TABLE_ORDER (Namespace, Type),
    103 #define HB_OT_ACCELERATOR(Namespace, Type) HB_OT_TABLE (Namespace, Type)
    104     HB_OT_TABLES
    105 #undef HB_OT_ACCELERATOR
    106 #undef HB_OT_TABLE
    107   };
    108 
    109   hb_face_t *face; /* MUST be JUST before the lazy loaders. */
    110 #define HB_OT_TABLE(Namespace, Type) \
    111   hb_table_lazy_loader_t<Namespace::Type, HB_OT_TABLE_ORDER (Namespace, Type)> Type;
    112 #define HB_OT_ACCELERATOR(Namespace, Type) \
    113   hb_face_lazy_loader_t<Namespace::Type##_accelerator_t, HB_OT_TABLE_ORDER (Namespace, Type)> Type;
    114   HB_OT_TABLES
    115 #undef HB_OT_ACCELERATOR
    116 #undef HB_OT_TABLE
    117 };
    118 
    119 
    120 #endif /* HB_OT_FACE_HH */
    121