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 #define HB_DEFINE_VALUE_TYPE(name) \ 58 static hb_##name##_t *_hb_##name##_reference (const hb_##name##_t *l) \ 59 { \ 60 hb_##name##_t *c = (hb_##name##_t *) calloc (1, sizeof (hb_##name##_t)); \ 61 if (unlikely (!c)) return NULL; \ 62 *c = *l; \ 63 return c; \ 64 } \ 65 static void _hb_##name##_destroy (hb_##name##_t *l) { free (l); } \ 66 HB_DEFINE_BOXED_TYPE (name, _hb_##name##_reference, _hb_##name##_destroy); 67 68 HB_DEFINE_OBJECT_TYPE (buffer) 69 HB_DEFINE_OBJECT_TYPE (blob) 70 HB_DEFINE_OBJECT_TYPE (face) 71 HB_DEFINE_OBJECT_TYPE (font) 72 HB_DEFINE_OBJECT_TYPE (font_funcs) 73 HB_DEFINE_OBJECT_TYPE (set) 74 HB_DEFINE_OBJECT_TYPE (shape_plan) 75 HB_DEFINE_OBJECT_TYPE (unicode_funcs) 76 HB_DEFINE_VALUE_TYPE (feature) 77 HB_DEFINE_VALUE_TYPE (glyph_info) 78 HB_DEFINE_VALUE_TYPE (glyph_position) 79 HB_DEFINE_VALUE_TYPE (segment_properties) 80 HB_DEFINE_VALUE_TYPE (user_data_key) 81