| /* |
| * Copyright © 2009 Red Hat, 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 |
| */ |
| |
| #if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR) |
| #error "Include <hb.h> instead." |
| #endif |
| |
| #ifndef HB_FACE_H |
| #define HB_FACE_H |
| |
| #include "hb-common.h" |
| #include "hb-blob.h" |
| #include "hb-set.h" |
| |
| HB_BEGIN_DECLS |
| |
| |
| HB_EXTERN unsigned int |
| hb_face_count (hb_blob_t *blob); |
| |
| |
| /* |
| * hb_face_t |
| */ |
| |
| /** |
| * hb_face_t: |
| * |
| * Data type for holding font faces. |
| * |
| **/ |
| typedef struct hb_face_t hb_face_t; |
| |
| HB_EXTERN hb_face_t * |
| hb_face_create (hb_blob_t *blob, |
| unsigned int index); |
| |
| /** |
| * hb_reference_table_func_t: |
| * @face: an #hb_face_t to reference table for |
| * @tag: the tag of the table to reference |
| * @user_data: User data pointer passed by the caller |
| * |
| * Callback function for hb_face_create_for_tables(). |
| * |
| * Return value: (transfer full): A pointer to the @tag table within @face |
| * |
| * Since: 0.9.2 |
| */ |
| |
| typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data); |
| |
| /* calls destroy() when not needing user_data anymore */ |
| HB_EXTERN hb_face_t * |
| hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, |
| void *user_data, |
| hb_destroy_func_t destroy); |
| |
| HB_EXTERN hb_face_t * |
| hb_face_get_empty (void); |
| |
| HB_EXTERN hb_face_t * |
| hb_face_reference (hb_face_t *face); |
| |
| HB_EXTERN void |
| hb_face_destroy (hb_face_t *face); |
| |
| HB_EXTERN hb_bool_t |
| hb_face_set_user_data (hb_face_t *face, |
| hb_user_data_key_t *key, |
| void * data, |
| hb_destroy_func_t destroy, |
| hb_bool_t replace); |
| |
| HB_EXTERN void * |
| hb_face_get_user_data (hb_face_t *face, |
| hb_user_data_key_t *key); |
| |
| HB_EXTERN void |
| hb_face_make_immutable (hb_face_t *face); |
| |
| HB_EXTERN hb_bool_t |
| hb_face_is_immutable (const hb_face_t *face); |
| |
| |
| HB_EXTERN hb_blob_t * |
| hb_face_reference_table (const hb_face_t *face, |
| hb_tag_t tag); |
| |
| HB_EXTERN hb_blob_t * |
| hb_face_reference_blob (hb_face_t *face); |
| |
| HB_EXTERN void |
| hb_face_set_index (hb_face_t *face, |
| unsigned int index); |
| |
| HB_EXTERN unsigned int |
| hb_face_get_index (const hb_face_t *face); |
| |
| HB_EXTERN void |
| hb_face_set_upem (hb_face_t *face, |
| unsigned int upem); |
| |
| HB_EXTERN unsigned int |
| hb_face_get_upem (const hb_face_t *face); |
| |
| HB_EXTERN void |
| hb_face_set_glyph_count (hb_face_t *face, |
| unsigned int glyph_count); |
| |
| HB_EXTERN unsigned int |
| hb_face_get_glyph_count (const hb_face_t *face); |
| |
| HB_EXTERN unsigned int |
| hb_face_get_table_tags (const hb_face_t *face, |
| unsigned int start_offset, |
| unsigned int *table_count, /* IN/OUT */ |
| hb_tag_t *table_tags /* OUT */); |
| |
| |
| /* |
| * Character set. |
| */ |
| |
| HB_EXTERN void |
| hb_face_collect_unicodes (hb_face_t *face, |
| hb_set_t *out); |
| |
| HB_EXTERN void |
| hb_face_collect_variation_selectors (hb_face_t *face, |
| hb_set_t *out); |
| |
| HB_EXTERN void |
| hb_face_collect_variation_unicodes (hb_face_t *face, |
| hb_codepoint_t variation_selector, |
| hb_set_t *out); |
| |
| |
| /* |
| * Builder face. |
| */ |
| |
| HB_EXTERN hb_face_t * |
| hb_face_builder_create (void); |
| |
| HB_EXTERN hb_bool_t |
| hb_face_builder_add_table (hb_face_t *face, |
| hb_tag_t tag, |
| hb_blob_t *blob); |
| |
| |
| HB_END_DECLS |
| |
| #endif /* HB_FACE_H */ |