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