2 * Copyright (C) 2009 Red Hat, Inc.
4 * This is part of HarfBuzz, an OpenType Layout engine library.
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.
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
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.
24 * Red Hat Author(s): Behdad Esfahbod
27 #include "hb-private.h"
29 #include "hb-unicode-private.h"
35 static hb_unicode_funcs_t _hb_unicode_funcs_nil = {
36 HB_REFERENCE_COUNT_INVALID, /* ref_count */
38 NULL, /*get_general_category */
39 NULL, /*get_combining_class */
40 NULL, /*get_mirroring_char */
42 NULL /*get_eastasian_width */
46 hb_unicode_funcs_create (void)
48 hb_unicode_funcs_t *ufuncs;
50 if (!HB_OBJECT_DO_CREATE (hb_unicode_funcs_t, ufuncs))
51 return &_hb_unicode_funcs_nil;
57 hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs)
59 HB_OBJECT_DO_REFERENCE (ufuncs);
63 hb_unicode_funcs_get_reference_count (hb_unicode_funcs_t *ufuncs)
65 HB_OBJECT_DO_GET_REFERENCE_COUNT (ufuncs);
69 hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs)
71 HB_OBJECT_DO_DESTROY (ufuncs);
77 hb_unicode_funcs_copy (hb_unicode_funcs_t *other_ufuncs)
79 hb_unicode_funcs_t *ufuncs;
81 if (!HB_OBJECT_DO_CREATE (hb_unicode_funcs_t, ufuncs))
82 return &_hb_unicode_funcs_nil;
84 *ufuncs = *other_ufuncs;
85 HB_OBJECT_DO_INIT (ufuncs);
92 hb_unicode_funcs_set_mirroring_char_func (hb_unicode_funcs_t *ufuncs,
93 hb_unicode_get_mirroring_char_func_t mirroring_char_func)
95 if (HB_OBJECT_IS_INERT (ufuncs))
98 ufuncs->get_mirroring_char = mirroring_char_func;
102 hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs,
103 hb_unicode_get_general_category_func_t general_category_func)
105 if (HB_OBJECT_IS_INERT (ufuncs))
108 ufuncs->get_general_category = general_category_func;
112 hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs,
113 hb_unicode_get_script_func_t script_func)
115 if (HB_OBJECT_IS_INERT (ufuncs))
118 ufuncs->get_script = script_func;
122 hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs,
123 hb_unicode_get_combining_class_func_t combining_class_func)
125 if (HB_OBJECT_IS_INERT (ufuncs))
128 ufuncs->get_combining_class = combining_class_func;
132 hb_unicode_funcs_set_eastasian_width_func (hb_unicode_funcs_t *ufuncs,
133 hb_unicode_get_eastasian_width_func_t eastasian_width_func)
135 if (HB_OBJECT_IS_INERT (ufuncs))
138 ufuncs->get_eastasian_width = eastasian_width_func;