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 support 36 * @include: hb-gobject.h 37 * 38 * Support for using HarfBuzz with the GObject library to provide 39 * type data. 40 * 41 * The types and functions listed here are solely a linkage between 42 * HarfBuzz's public data types and the GTypes used by the GObject framework. 43 * HarfBuzz uses GObject introspection to generate its Python bindings 44 * (and potentially other language bindings); client programs should never need 45 * to access the GObject-integration mechanics. 46 * 47 * For client programs using the GNOME and GTK software stack, please see the 48 * GLib and FreeType integration pages. 49 **/ 50 51 52 /* g++ didn't like older gtype.h gcc-only code path. */ 53 #include <glib.h> 54 #if !GLIB_CHECK_VERSION(2,29,16) 55 #undef __GNUC__ 56 #undef __GNUC_MINOR__ 57 #define __GNUC__ 2 58 #define __GNUC_MINOR__ 6 59 #endif 60 61 #include "hb-gobject.h" 62 63 #define HB_DEFINE_BOXED_TYPE(name,copy_func,free_func) \ 64 GType \ 65 hb_gobject_##name##_get_type () \ 66 { \ 67 static gsize type_id = 0; \ 68 if (g_once_init_enter (&type_id)) { \ 69 GType id = g_boxed_type_register_static (g_intern_static_string ("hb_" #name "_t"), \ 70 (GBoxedCopyFunc) copy_func, \ 71 (GBoxedFreeFunc) free_func); \ 72 g_once_init_leave (&type_id, id); \ 73 } \ 74 return type_id; \ 75 } 76 77 #define HB_DEFINE_OBJECT_TYPE(name) \ 78 HB_DEFINE_BOXED_TYPE (name, hb_##name##_reference, hb_##name##_destroy) 79 80 #define HB_DEFINE_VALUE_TYPE(name) \ 81 static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \ 82 { \ 83 hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \ 84 if (unlikely (!c)) return nullptr; \ 85 *c = *l; \ 86 return c; \ 87 } \ 88 static void _hb_##name##_destroy (hb_##name##_t *l) { free (l); } \ 89 HB_DEFINE_BOXED_TYPE (name, _hb_##name##_reference, _hb_##name##_destroy) 90 91 HB_DEFINE_OBJECT_TYPE (buffer) 92 HB_DEFINE_OBJECT_TYPE (blob) 93 HB_DEFINE_OBJECT_TYPE (face) 94 HB_DEFINE_OBJECT_TYPE (font) 95 HB_DEFINE_OBJECT_TYPE (font_funcs) 96 HB_DEFINE_OBJECT_TYPE (set) 97 HB_DEFINE_OBJECT_TYPE (map) 98 HB_DEFINE_OBJECT_TYPE (shape_plan) 99 HB_DEFINE_OBJECT_TYPE (unicode_funcs) 100 HB_DEFINE_VALUE_TYPE (feature) 101 HB_DEFINE_VALUE_TYPE (glyph_info) 102 HB_DEFINE_VALUE_TYPE (glyph_position) 103 HB_DEFINE_VALUE_TYPE (segment_properties) 104 HB_DEFINE_VALUE_TYPE (user_data_key) 105 106 HB_DEFINE_VALUE_TYPE (ot_math_glyph_variant) 107 HB_DEFINE_VALUE_TYPE (ot_math_glyph_part) 108 109 110 #endif 111