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1 /* | 1 /* |
2 * Copyright (C) 2010 Google, Inc. | 2 * Copyright © 2011 Google, Inc. |
3 * | 3 * |
4 * This is part of HarfBuzz, a text shaping library. | 4 * This is part of HarfBuzz, a text shaping library. |
5 * | 5 * |
6 * Permission is hereby granted, without written agreement and without | 6 * Permission is hereby granted, without written agreement and without |
7 * license or royalty fees, to use, copy, modify, and distribute this | 7 * license or royalty fees, to use, copy, modify, and distribute this |
8 * software and its documentation for any purpose, provided that the | 8 * software and its documentation for any purpose, provided that the |
9 * above copyright notice and the following two paragraphs appear in | 9 * above copyright notice and the following two paragraphs appear in |
10 * all copies of this software. | 10 * all copies of this software. |
11 * | 11 * |
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR | 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES | 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN | 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 | 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
16 * DAMAGE. | 16 * DAMAGE. |
17 * | 17 * |
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, | 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS | 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 | 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
23 * | 23 * |
24 * Google Author(s): Behdad Esfahbod | 24 * Google Author(s): Behdad Esfahbod |
25 */ | 25 */ |
26 | 26 |
27 #ifndef HB_OT_SHAPE_PRIVATE_HH | 27 #include "hb-private.hh" |
28 #define HB_OT_SHAPE_PRIVATE_HH | |
29 | 28 |
30 #include "hb-private.h" | 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 |
31 | 37 |
32 #include "hb-ot-shape.h" | 38 #include "hb-gobject.h" |
33 | 39 |
34 #include "hb-ot-map-private.hh" | 40 #define _HB_DEFINE_BOXED_TYPE(Name,underscore_name,copy_func,free_func) \ |
| 41 GType \ |
| 42 underscore_name##_get_type (void) \ |
| 43 { \ |
| 44 static volatile gsize type = 0; \ |
| 45 if (g_once_init_enter (&type)) { \ |
| 46 GType t = g_boxed_type_register_static (g_intern_static_string (#Name), \ |
| 47 » » » » » (GBoxedCopyFunc) copy_func, \ |
| 48 » » » » » (GBoxedFreeFunc) free_func); \ |
| 49 g_once_init_leave (&type, t); \ |
| 50 } \ |
| 51 return type; \ |
| 52 } |
35 | 53 |
36 HB_BEGIN_DECLS | 54 #define HB_DEFINE_BOXED_TYPE(name) \ |
| 55 » _HB_DEFINE_BOXED_TYPE (hb_##name, hb_gobject_##name, hb_##name##_referen
ce, hb_##name##_destroy); |
37 | 56 |
| 57 HB_DEFINE_BOXED_TYPE (buffer) |
| 58 HB_DEFINE_BOXED_TYPE (blob) |
| 59 HB_DEFINE_BOXED_TYPE (face) |
| 60 HB_DEFINE_BOXED_TYPE (font) |
| 61 HB_DEFINE_BOXED_TYPE (font_funcs) |
| 62 HB_DEFINE_BOXED_TYPE (unicode_funcs) |
38 | 63 |
39 /* buffer var allocations */ | |
40 #define general_category() var1.u8[0] /* unicode general_category (hb_category_t
) */ | |
41 #define combining_class() var1.u8[1] /* unicode combining_class (uint8_t) */ | |
42 | |
43 | |
44 enum hb_ot_complex_shaper_t { | |
45 hb_ot_complex_shaper_none, | |
46 hb_ot_complex_shaper_arabic | |
47 }; | |
48 | |
49 | |
50 struct hb_ot_shape_plan_t | |
51 { | |
52 hb_ot_map_t map; | |
53 hb_ot_complex_shaper_t shaper; | |
54 }; | |
55 | |
56 | |
57 struct hb_ot_shape_context_t | |
58 { | |
59 /* Input to hb_ot_shape_execute() */ | |
60 hb_ot_shape_plan_t *plan; | |
61 hb_font_t *font; | |
62 hb_face_t *face; | |
63 hb_buffer_t *buffer; | |
64 const hb_feature_t *user_features; | |
65 unsigned int num_user_features; | |
66 | |
67 /* Transient stuff */ | |
68 hb_direction_t target_direction; | |
69 hb_bool_t applied_substitute_complex; | |
70 hb_bool_t applied_position_complex; | |
71 }; | |
72 | |
73 | |
74 HB_END_DECLS | |
75 | |
76 #endif /* HB_OT_SHAPE_PRIVATE_HH */ | |
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