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-private.hh"
28
29 /* g++ didn't like older gtype.h gcc-only code path. */
30 #include <glib.h>
31 #if !GLIB_CHECK_VERSION(2,29,16)
32 #undef __GNUC__
33 #undef __GNUC_MINOR__
34 #define __GNUC__ 2
35 #define __GNUC_MINOR__ 6
36 #endif
37
38 #include "hb-gobject.h"
39
40 #define HB_DEFINE_BOXED_TYPE(name,copy_func,free_func) \
41 GType \
42 hb_gobject_##name##_get_type (void) \
43 { \
44 static gsize type_id = 0; \
45 if (g_once_init_enter (&type_id)) { \
46 GType id = g_boxed_type_register_static (g_intern_static_string ("hb_" #name "_t"), \
47 (GBoxedCopyFunc) copy_func, \
48 (GBoxedFreeFunc) free_func); \
49 g_once_init_leave (&type_id, id); \
50 } \
51 return type_id; \
52 }
53
54 #define HB_DEFINE_OBJECT_TYPE(name) \
55 HB_DEFINE_BOXED_TYPE (name, hb_##name##_reference, hb_##name##_destroy);
56
57 HB_DEFINE_OBJECT_TYPE (buffer)
HB_DEFINE_OBJECT_TYPE(blob)58 HB_DEFINE_OBJECT_TYPE (blob)
59 HB_DEFINE_OBJECT_TYPE (face)
60 HB_DEFINE_OBJECT_TYPE (font)
61 HB_DEFINE_OBJECT_TYPE (font_funcs)
62 HB_DEFINE_OBJECT_TYPE (set)
63 HB_DEFINE_OBJECT_TYPE (shape_plan)
64 HB_DEFINE_OBJECT_TYPE (unicode_funcs)
65
66
67 static hb_feature_t *feature_reference (hb_feature_t *g)
68 {
69 hb_feature_t *c = (hb_feature_t *) calloc (1, sizeof (hb_feature_t));
70 if (unlikely (!c)) return NULL;
71 *c = *g;
72 return c;
73 }
feature_destroy(hb_feature_t * g)74 static void feature_destroy (hb_feature_t *g) { free (g); }
HB_DEFINE_BOXED_TYPE(feature,feature_reference,feature_destroy)75 HB_DEFINE_BOXED_TYPE (feature, feature_reference, feature_destroy)
76
77 static hb_glyph_info_t *glyph_info_reference (hb_glyph_info_t *g)
78 {
79 hb_glyph_info_t *c = (hb_glyph_info_t *) calloc (1, sizeof (hb_glyph_info_t));
80 if (unlikely (!c)) return NULL;
81 *c = *g;
82 return c;
83 }
glyph_info_destroy(hb_glyph_info_t * g)84 static void glyph_info_destroy (hb_glyph_info_t *g) { free (g); }
HB_DEFINE_BOXED_TYPE(glyph_info,glyph_info_reference,glyph_info_destroy)85 HB_DEFINE_BOXED_TYPE (glyph_info, glyph_info_reference, glyph_info_destroy)
86
87 static hb_glyph_position_t *glyph_position_reference (hb_glyph_position_t *g)
88 {
89 hb_glyph_position_t *c = (hb_glyph_position_t *) calloc (1, sizeof (hb_glyph_position_t));
90 if (unlikely (!c)) return NULL;
91 *c = *g;
92 return c;
93 }
glyph_position_destroy(hb_glyph_position_t * g)94 static void glyph_position_destroy (hb_glyph_position_t *g) { free (g); }
HB_DEFINE_BOXED_TYPE(glyph_position,glyph_position_reference,glyph_position_destroy)95 HB_DEFINE_BOXED_TYPE (glyph_position, glyph_position_reference, glyph_position_destroy)
96
97 static hb_segment_properties_t *segment_properties_reference (hb_segment_properties_t *g)
98 {
99 hb_segment_properties_t *c = (hb_segment_properties_t *) calloc (1, sizeof (hb_segment_properties_t));
100 if (unlikely (!c)) return NULL;
101 *c = *g;
102 return c;
103 }
segment_properties_destroy(hb_segment_properties_t * g)104 static void segment_properties_destroy (hb_segment_properties_t *g) { free (g); }
HB_DEFINE_BOXED_TYPE(segment_properties,segment_properties_reference,segment_properties_destroy)105 HB_DEFINE_BOXED_TYPE (segment_properties, segment_properties_reference, segment_properties_destroy)
106
107 static hb_user_data_key_t user_data_key_reference (hb_user_data_key_t l) { return l; }
user_data_key_destroy(hb_user_data_key_t l)108 static void user_data_key_destroy (hb_user_data_key_t l) { }
HB_DEFINE_BOXED_TYPE(user_data_key,user_data_key_reference,user_data_key_destroy)109 HB_DEFINE_BOXED_TYPE (user_data_key, user_data_key_reference, user_data_key_destroy)
110
111
112 static hb_language_t *language_reference (hb_language_t *l)
113 {
114 hb_language_t *c = (hb_language_t *) calloc (1, sizeof (hb_language_t));
115 if (unlikely (!c)) return NULL;
116 *c = *l;
117 return c;
118 }
language_destroy(hb_language_t * l)119 static void language_destroy (hb_language_t *l) { free (l); }
120 HB_DEFINE_BOXED_TYPE (language, language_reference, language_destroy)
121