third_party/harfbuzz-ng/src/hb-tt-font.cc

   1 /*
   2  * Copyright © 2011  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 #include "hb-font-private.hh" /* Shall be first since may include windows.h */
  28
  29 #include "hb-open-type-private.hh"
  30
  31 #include "hb-ot-hhea-table.hh"
  32 #include "hb-ot-hmtx-table.hh"
  33
  34 #include "hb-blob.h"
  35
  36 #include <string.h>
  37
  38
  39
  40 #if 0
  41 struct hb_tt_font_t
  42 {
  43   const struct hhea *hhea;
  44   hb_blob_t *hhea_blob;
  45 };
  46
  47
  48 static hb_tt_font_t *
  49 _hb_tt_font_create (hb_font_t *font)
  50 {
  51   /* TODO Remove this object altogether */
  52   hb_tt_font_t *tt = (hb_tt_font_t *) calloc (1, sizeof (hb_tt_font_t));
  53
  54   tt->hhea_blob = Sanitizer<hhea>::sanitize (font->face->reference_table (HB_OT_TAG_hhea));
  55   tt->hhea = Sanitizer<hhea>::lock_instance (tt->hhea_blob);
  56
  57   return tt;
  58 }
  59
  60 static void
  61 _hb_tt_font_destroy (hb_tt_font_t *tt)
  62 {
  63   hb_blob_destroy (tt->hhea_blob);
  64
  65   free (tt);
  66 }
  67
  68 static inline const hhea&
  69 _get_hhea (hb_face_t *face)
  70 {
  71   return likely (face->tt && face->tt->hhea) ? *face->tt->hhea : Null(hhea);
  72 }
  73
  74
  75 /*
  76  * hb_tt_font_funcs_t
  77  */
  78
  79 #endif