gfx/harfbuzz/src/hb-face-private.hh

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/harfbuzz/src/hb-face-private.hh	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,107 @@
     1.4 +/*
     1.5 + * Copyright © 2009  Red Hat, Inc.
     1.6 + * Copyright © 2011  Google, Inc.
     1.7 + *
     1.8 + *  This is part of HarfBuzz, a text shaping library.
     1.9 + *
    1.10 + * Permission is hereby granted, without written agreement and without
    1.11 + * license or royalty fees, to use, copy, modify, and distribute this
    1.12 + * software and its documentation for any purpose, provided that the
    1.13 + * above copyright notice and the following two paragraphs appear in
    1.14 + * all copies of this software.
    1.15 + *
    1.16 + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
    1.17 + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
    1.18 + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
    1.19 + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
    1.20 + * DAMAGE.
    1.21 + *
    1.22 + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
    1.23 + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
    1.24 + * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
    1.25 + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
    1.26 + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
    1.27 + *
    1.28 + * Red Hat Author(s): Behdad Esfahbod
    1.29 + * Google Author(s): Behdad Esfahbod
    1.30 + */
    1.31 +
    1.32 +#ifndef HB_FACE_PRIVATE_HH
    1.33 +#define HB_FACE_PRIVATE_HH
    1.34 +
    1.35 +#include "hb-private.hh"
    1.36 +
    1.37 +#include "hb-object-private.hh"
    1.38 +#include "hb-shaper-private.hh"
    1.39 +#include "hb-shape-plan-private.hh"
    1.40 +
    1.41 +
    1.42 +/*
    1.43 + * hb_face_t
    1.44 + */
    1.45 +
    1.46 +struct hb_face_t {
    1.47 +  hb_object_header_t header;
    1.48 +  ASSERT_POD ();
    1.49 +
    1.50 +  hb_bool_t immutable;
    1.51 +
    1.52 +  hb_reference_table_func_t  reference_table_func;
    1.53 +  void                      *user_data;
    1.54 +  hb_destroy_func_t          destroy;
    1.55 +
    1.56 +  unsigned int index;
    1.57 +  mutable unsigned int upem;
    1.58 +  mutable unsigned int num_glyphs;
    1.59 +
    1.60 +  struct hb_shaper_data_t shaper_data;
    1.61 +
    1.62 +  struct plan_node_t {
    1.63 +    hb_shape_plan_t *shape_plan;
    1.64 +    plan_node_t *next;
    1.65 +  } *shape_plans;
    1.66 +
    1.67 +
    1.68 +  inline hb_blob_t *reference_table (hb_tag_t tag) const
    1.69 +  {
    1.70 +    hb_blob_t *blob;
    1.71 +
    1.72 +    if (unlikely (!this || !reference_table_func))
    1.73 +      return hb_blob_get_empty ();
    1.74 +
    1.75 +    blob = reference_table_func (/*XXX*/const_cast<hb_face_t *> (this), tag, user_data);
    1.76 +    if (unlikely (!blob))
    1.77 +      return hb_blob_get_empty ();
    1.78 +
    1.79 +    return blob;
    1.80 +  }
    1.81 +
    1.82 +  inline HB_PURE_FUNC unsigned int get_upem (void) const
    1.83 +  {
    1.84 +    if (unlikely (!upem))
    1.85 +      load_upem ();
    1.86 +    return upem;
    1.87 +  }
    1.88 +
    1.89 +  inline unsigned int get_num_glyphs (void) const
    1.90 +  {
    1.91 +    if (unlikely (num_glyphs == (unsigned int) -1))
    1.92 +      load_num_glyphs ();
    1.93 +    return num_glyphs;
    1.94 +  }
    1.95 +
    1.96 +  private:
    1.97 +  HB_INTERNAL void load_upem (void) const;
    1.98 +  HB_INTERNAL void load_num_glyphs (void) const;
    1.99 +};
   1.100 +
   1.101 +extern HB_INTERNAL const hb_face_t _hb_face_nil;
   1.102 +
   1.103 +#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
   1.104 +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, face);
   1.105 +#include "hb-shaper-list.hh"
   1.106 +#undef HB_SHAPER_IMPLEMENT
   1.107 +#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS
   1.108 +
   1.109 +
   1.110 +#endif /* HB_FACE_PRIVATE_HH */

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