Fri, 16 Jan 2015 18:13:44 +0100
Integrate suggestion from review to improve consistency with existing code.
michael@0 | 1 | /* |
michael@0 | 2 | * Copyright © 2012 Google, Inc. |
michael@0 | 3 | * |
michael@0 | 4 | * This is part of HarfBuzz, a text shaping library. |
michael@0 | 5 | * |
michael@0 | 6 | * Permission is hereby granted, without written agreement and without |
michael@0 | 7 | * license or royalty fees, to use, copy, modify, and distribute this |
michael@0 | 8 | * software and its documentation for any purpose, provided that the |
michael@0 | 9 | * above copyright notice and the following two paragraphs appear in |
michael@0 | 10 | * all copies of this software. |
michael@0 | 11 | * |
michael@0 | 12 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
michael@0 | 13 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
michael@0 | 14 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
michael@0 | 15 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
michael@0 | 16 | * DAMAGE. |
michael@0 | 17 | * |
michael@0 | 18 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
michael@0 | 19 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
michael@0 | 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
michael@0 | 21 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
michael@0 | 22 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
michael@0 | 23 | * |
michael@0 | 24 | * Google Author(s): Behdad Esfahbod |
michael@0 | 25 | */ |
michael@0 | 26 | |
michael@0 | 27 | #ifndef HB_OT_SHAPE_NORMALIZE_PRIVATE_HH |
michael@0 | 28 | #define HB_OT_SHAPE_NORMALIZE_PRIVATE_HH |
michael@0 | 29 | |
michael@0 | 30 | #include "hb-private.hh" |
michael@0 | 31 | |
michael@0 | 32 | |
michael@0 | 33 | /* buffer var allocations, used during the normalization process */ |
michael@0 | 34 | #define glyph_index() var1.u32 |
michael@0 | 35 | |
michael@0 | 36 | struct hb_ot_shape_plan_t; |
michael@0 | 37 | |
michael@0 | 38 | enum hb_ot_shape_normalization_mode_t { |
michael@0 | 39 | HB_OT_SHAPE_NORMALIZATION_MODE_NONE, |
michael@0 | 40 | HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED, |
michael@0 | 41 | HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* never composes base-to-base */ |
michael@0 | 42 | HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* always fully decomposes and then recompose back */ |
michael@0 | 43 | |
michael@0 | 44 | HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS |
michael@0 | 45 | }; |
michael@0 | 46 | |
michael@0 | 47 | HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper, |
michael@0 | 48 | hb_buffer_t *buffer, |
michael@0 | 49 | hb_font_t *font); |
michael@0 | 50 | |
michael@0 | 51 | |
michael@0 | 52 | struct hb_ot_shape_normalize_context_t |
michael@0 | 53 | { |
michael@0 | 54 | const hb_ot_shape_plan_t *plan; |
michael@0 | 55 | hb_buffer_t *buffer; |
michael@0 | 56 | hb_font_t *font; |
michael@0 | 57 | hb_unicode_funcs_t *unicode; |
michael@0 | 58 | bool (*decompose) (const hb_ot_shape_normalize_context_t *c, |
michael@0 | 59 | hb_codepoint_t ab, |
michael@0 | 60 | hb_codepoint_t *a, |
michael@0 | 61 | hb_codepoint_t *b); |
michael@0 | 62 | bool (*compose) (const hb_ot_shape_normalize_context_t *c, |
michael@0 | 63 | hb_codepoint_t a, |
michael@0 | 64 | hb_codepoint_t b, |
michael@0 | 65 | hb_codepoint_t *ab); |
michael@0 | 66 | }; |
michael@0 | 67 | |
michael@0 | 68 | |
michael@0 | 69 | #endif /* HB_OT_SHAPE_NORMALIZE_PRIVATE_HH */ |