1 /* 2 * Copyright 2009 Red Hat, Inc. 3 * Copyright 2012 Google, Inc. 4 * 5 * This is part of HarfBuzz, a text shaping library. 6 * 7 * Permission is hereby granted, without written agreement and without 8 * license or royalty fees, to use, copy, modify, and distribute this 9 * software and its documentation for any purpose, provided that the 10 * above copyright notice and the following two paragraphs appear in 11 * all copies of this software. 12 * 13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 17 * DAMAGE. 18 * 19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 24 * 25 * Red Hat Author(s): Behdad Esfahbod 26 * Google Author(s): Behdad Esfahbod 27 */ 28 29 #ifndef HB_H_IN 30 #error "Include <hb.h> instead." 31 #endif 32 33 #ifndef HB_SHAPE_H 34 #define HB_SHAPE_H 35 36 #include "hb-common.h" 37 #include "hb-buffer.h" 38 #include "hb-font.h" 39 40 HB_BEGIN_DECLS 41 42 43 typedef struct hb_feature_t { 44 hb_tag_t tag; 45 uint32_t value; 46 unsigned int start; 47 unsigned int end; 48 } hb_feature_t; 49 50 /* len=-1 means str is NUL-terminated */ 51 hb_bool_t 52 hb_feature_from_string (const char *str, int len, 53 hb_feature_t *feature); 54 55 /* Something like 128 bytes is more than enough. 56 * nul-terminates. */ 57 void 58 hb_feature_to_string (hb_feature_t *feature, 59 char *buf, unsigned int size); 60 61 62 void 63 hb_shape (hb_font_t *font, 64 hb_buffer_t *buffer, 65 const hb_feature_t *features, 66 unsigned int num_features); 67 68 hb_bool_t 69 hb_shape_full (hb_font_t *font, 70 hb_buffer_t *buffer, 71 const hb_feature_t *features, 72 unsigned int num_features, 73 const char * const *shaper_list); 74 75 const char ** 76 hb_shape_list_shapers (void); 77 78 79 HB_END_DECLS 80 81 #endif /* HB_SHAPE_H */ 82
