hb-gobject-structs.cc revision 17905c54f1bab9e6dfe13f59f5ec208de12832f7
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) \ 41GType \ 42hb_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 57HB_DEFINE_OBJECT_TYPE (buffer) 58HB_DEFINE_OBJECT_TYPE (blob) 59HB_DEFINE_OBJECT_TYPE (face) 60HB_DEFINE_OBJECT_TYPE (font) 61HB_DEFINE_OBJECT_TYPE (font_funcs) 62HB_DEFINE_OBJECT_TYPE (set) 63HB_DEFINE_OBJECT_TYPE (shape_plan) 64HB_DEFINE_OBJECT_TYPE (unicode_funcs) 65 66 67static 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} 74static void feature_destroy (hb_feature_t *g) { free (g); } 75HB_DEFINE_BOXED_TYPE (feature, feature_reference, feature_destroy) 76 77static 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} 84static void glyph_info_destroy (hb_glyph_info_t *g) { free (g); } 85HB_DEFINE_BOXED_TYPE (glyph_info, glyph_info_reference, glyph_info_destroy) 86 87static 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} 94static void glyph_position_destroy (hb_glyph_position_t *g) { free (g); } 95HB_DEFINE_BOXED_TYPE (glyph_position, glyph_position_reference, glyph_position_destroy) 96 97static 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} 104static void segment_properties_destroy (hb_segment_properties_t *g) { free (g); } 105HB_DEFINE_BOXED_TYPE (segment_properties, segment_properties_reference, segment_properties_destroy) 106 107static hb_user_data_key_t user_data_key_reference (hb_user_data_key_t l) { return l; } 108static void user_data_key_destroy (hb_user_data_key_t l) { } 109HB_DEFINE_BOXED_TYPE (user_data_key, user_data_key_reference, user_data_key_destroy) 110 111 112static 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} 119static void language_destroy (hb_language_t *l) { free (l); } 120HB_DEFINE_BOXED_TYPE (language, language_reference, language_destroy) 121