HarfBuzz text shaping engine
http://harfbuzz.github.io/
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154 lines
3.7 KiB
154 lines
3.7 KiB
/* |
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* Copyright © 2012 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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* 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_SET_H |
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#define HB_SET_H |
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#include "hb-common.h" |
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HB_BEGIN_DECLS |
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/* |
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* Since: 0.9.21 |
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*/ |
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#define HB_SET_VALUE_INVALID ((hb_codepoint_t) -1) |
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typedef struct hb_set_t hb_set_t; |
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HB_EXTERN hb_set_t * |
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hb_set_create (void); |
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HB_EXTERN hb_set_t * |
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hb_set_get_empty (void); |
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HB_EXTERN hb_set_t * |
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hb_set_reference (hb_set_t *set); |
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HB_EXTERN void |
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hb_set_destroy (hb_set_t *set); |
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HB_EXTERN hb_bool_t |
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hb_set_set_user_data (hb_set_t *set, |
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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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HB_EXTERN void * |
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hb_set_get_user_data (hb_set_t *set, |
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hb_user_data_key_t *key); |
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/* Returns false if allocation has failed before */ |
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HB_EXTERN hb_bool_t |
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hb_set_allocation_successful (const hb_set_t *set); |
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HB_EXTERN void |
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hb_set_clear (hb_set_t *set); |
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HB_EXTERN hb_bool_t |
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hb_set_is_empty (const hb_set_t *set); |
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HB_EXTERN hb_bool_t |
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hb_set_has (const hb_set_t *set, |
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hb_codepoint_t codepoint); |
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/* Right now limited to 16-bit integers. Eventually will do full codepoint range, sans -1 |
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* which we will use as a sentinel. */ |
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HB_EXTERN void |
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hb_set_add (hb_set_t *set, |
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hb_codepoint_t codepoint); |
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HB_EXTERN void |
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hb_set_add_range (hb_set_t *set, |
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hb_codepoint_t first, |
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hb_codepoint_t last); |
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HB_EXTERN void |
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hb_set_del (hb_set_t *set, |
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hb_codepoint_t codepoint); |
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HB_EXTERN void |
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hb_set_del_range (hb_set_t *set, |
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hb_codepoint_t first, |
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hb_codepoint_t last); |
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HB_EXTERN hb_bool_t |
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hb_set_is_equal (const hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN void |
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hb_set_set (hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN void |
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hb_set_union (hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN void |
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hb_set_intersect (hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN void |
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hb_set_subtract (hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN void |
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hb_set_symmetric_difference (hb_set_t *set, |
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const hb_set_t *other); |
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HB_EXTERN unsigned int |
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hb_set_get_population (const hb_set_t *set); |
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/* Returns -1 if set empty. */ |
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HB_EXTERN hb_codepoint_t |
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hb_set_get_min (const hb_set_t *set); |
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/* Returns -1 if set empty. */ |
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HB_EXTERN hb_codepoint_t |
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hb_set_get_max (const hb_set_t *set); |
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/* Pass -1 in to get started. */ |
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HB_EXTERN hb_bool_t |
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hb_set_next (const hb_set_t *set, |
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hb_codepoint_t *codepoint); |
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/* Pass -1 for first and last to get started. */ |
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HB_EXTERN hb_bool_t |
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hb_set_next_range (const hb_set_t *set, |
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hb_codepoint_t *first, |
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hb_codepoint_t *last); |
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HB_END_DECLS |
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#endif /* HB_SET_H */
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