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.hh" 28 29 #ifdef HAVE_GOBJECT 30 31 32 /** 33 * SECTION:hb-gobject 34 * @title: hb-gobject 35 * @short_description: GObject integration 36 * @include: hb-gobject.h 37 * 38 * Functions for using HarfBuzz with the GObject library to provide 39 * type data. 40 **/ 41 42 43 /* g++ didn't like older gtype.h gcc-only code path. */ 44 #include <glib.h> 45 #if !GLIB_CHECK_VERSION(2,29,16) 46 #undef __GNUC__ 47 #undef __GNUC_MINOR__ 48 #define __GNUC__ 2 49 #define __GNUC_MINOR__ 6 50 #endif 51 52 #include "hb-gobject.h" 53 54 #define HB_DEFINE_BOXED_TYPE(name,copy_func,free_func) \ 55 GType \ 56 hb_gobject_##name##_get_type () \ 57 { \ 58 static gsize type_id = 0; \ 59 if (g_once_init_enter (&type_id)) { \ 60 GType id = g_boxed_type_register_static (g_intern_static_string ("hb_" #name "_t"), \ 61 (GBoxedCopyFunc) copy_func, \ 62 (GBoxedFreeFunc) free_func); \ 63 g_once_init_leave (&type_id, id); \ 64 } \ 65 return type_id; \ 66 } 67 68 #define HB_DEFINE_OBJECT_TYPE(name) \ 69 HB_DEFINE_BOXED_TYPE (name, hb_##name##_reference, hb_##name##_destroy) 70 71 #define HB_DEFINE_VALUE_TYPE(name) \ 72 static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \ 73 { \ 74 hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \ 75 if (unlikely (!c)) return nullptr; \ 76 *c = *l; \ 77 return c; \ 78 } \ 79 static void _hb_##name##_destroy (hb_##name##_t *l) { free (l); } \ 80 HB_DEFINE_BOXED_TYPE (name, _hb_##name##_reference, _hb_##name##_destroy) 81 82 HB_DEFINE_OBJECT_TYPE (buffer) 83 HB_DEFINE_OBJECT_TYPE (blob) 84 HB_DEFINE_OBJECT_TYPE (face) 85 HB_DEFINE_OBJECT_TYPE (font) 86 HB_DEFINE_OBJECT_TYPE (font_funcs) 87 HB_DEFINE_OBJECT_TYPE (set) 88 HB_DEFINE_OBJECT_TYPE (map) 89 HB_DEFINE_OBJECT_TYPE (shape_plan) 90 HB_DEFINE_OBJECT_TYPE (unicode_funcs) 91 HB_DEFINE_VALUE_TYPE (feature) 92 HB_DEFINE_VALUE_TYPE (glyph_info) 93 HB_DEFINE_VALUE_TYPE (glyph_position) 94 HB_DEFINE_VALUE_TYPE (segment_properties) 95 HB_DEFINE_VALUE_TYPE (user_data_key) 96 97 HB_DEFINE_VALUE_TYPE (ot_math_glyph_variant) 98 HB_DEFINE_VALUE_TYPE (ot_math_glyph_part) 99 100 101 #endif 102