HarfBuzz text shaping engine
http://harfbuzz.github.io/
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198 lines
5.8 KiB
198 lines
5.8 KiB
/* |
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* Copyright © 2009 Red Hat, Inc. |
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* Copyright © 2011 Codethink Limited |
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* Copyright © 2011 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Red Hat Author(s): Behdad Esfahbod |
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* Codethink Author(s): Ryan Lortie |
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* Google Author(s): Behdad Esfahbod |
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*/ |
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#ifndef HB_H_IN |
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#error "Include <hb.h> instead." |
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#endif |
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#ifndef HB_UNICODE_H |
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#define HB_UNICODE_H |
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#include "hb-common.h" |
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HB_BEGIN_DECLS |
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/* |
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* hb_unicode_funcs_t |
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*/ |
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typedef struct hb_unicode_funcs_t hb_unicode_funcs_t; |
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/* |
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* just give me the best implementation you've got there. |
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*/ |
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hb_unicode_funcs_t * |
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hb_unicode_funcs_get_default (void); |
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hb_unicode_funcs_t * |
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hb_unicode_funcs_create (hb_unicode_funcs_t *parent); |
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hb_unicode_funcs_t * |
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hb_unicode_funcs_get_empty (void); |
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hb_unicode_funcs_t * |
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hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs); |
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void |
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hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs); |
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hb_bool_t |
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hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs, |
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hb_user_data_key_t *key, |
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void * data, |
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hb_destroy_func_t destroy, |
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hb_bool_t replace); |
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void * |
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hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs, |
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hb_user_data_key_t *key); |
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void |
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hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs); |
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hb_bool_t |
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hb_unicode_funcs_is_immutable (hb_unicode_funcs_t *ufuncs); |
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hb_unicode_funcs_t * |
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hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs); |
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/* |
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* funcs |
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*/ |
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/* typedefs */ |
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typedef unsigned int (*hb_unicode_combining_class_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode, |
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void *user_data); |
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typedef unsigned int (*hb_unicode_eastasian_width_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode, |
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void *user_data); |
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typedef hb_unicode_general_category_t (*hb_unicode_general_category_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode, |
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void *user_data); |
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typedef hb_codepoint_t (*hb_unicode_mirroring_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode, |
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void *user_data); |
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typedef hb_script_t (*hb_unicode_script_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode, |
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void *user_data); |
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typedef hb_bool_t (*hb_unicode_compose_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t a, |
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hb_codepoint_t b, |
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hb_codepoint_t *ab, |
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void *user_data); |
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typedef hb_bool_t (*hb_unicode_decompose_func_t) (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t ab, |
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hb_codepoint_t *a, |
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hb_codepoint_t *b, |
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void *user_data); |
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/* setters */ |
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void |
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hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_combining_class_func_t combining_class_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_eastasian_width_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_eastasian_width_func_t eastasian_width_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_general_category_func_t general_category_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_mirroring_func_t mirroring_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_script_func_t script_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_compose_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_compose_func_t compose_func, |
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void *user_data, hb_destroy_func_t destroy); |
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void |
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hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs, |
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hb_unicode_decompose_func_t decompose_func, |
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void *user_data, hb_destroy_func_t destroy); |
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/* accessors */ |
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unsigned int |
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hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode); |
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unsigned int |
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hb_unicode_eastasian_width (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode); |
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hb_unicode_general_category_t |
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hb_unicode_general_category (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode); |
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hb_codepoint_t |
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hb_unicode_mirroring (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode); |
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hb_script_t |
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hb_unicode_script (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t unicode); |
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hb_bool_t |
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hb_unicode_compose (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t a, |
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hb_codepoint_t b, |
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hb_codepoint_t *ab); |
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hb_bool_t |
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hb_unicode_decompose (hb_unicode_funcs_t *ufuncs, |
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hb_codepoint_t ab, |
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hb_codepoint_t *a, |
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hb_codepoint_t *b); |
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HB_END_DECLS |
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#endif /* HB_UNICODE_H */
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