2 * Copyright © 2017 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 * Red Hat Author(s): Behdad Esfahbod
28 #error "Include <hb-ot.h> instead."
39 #define HB_OT_TAG_VAR_AXIS_ITALIC HB_TAG('i','t','a','l')
40 #define HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE HB_TAG('o','p','s','z')
41 #define HB_OT_TAG_VAR_AXIS_SLANT HB_TAG('s','l','n','t')
42 #define HB_OT_TAG_VAR_AXIS_WIDTH HB_TAG('w','d','t','h')
43 #define HB_OT_TAG_VAR_AXIS_WEIGHT HB_TAG('w','g','h','t')
55 typedef struct hb_ot_var_axis_t {
64 hb_ot_var_has_data (hb_face_t *face);
67 * HB_OT_VAR_NO_AXIS_INDEX:
71 #define HB_OT_VAR_NO_AXIS_INDEX 0xFFFFFFFFu
73 HB_EXTERN unsigned int
74 hb_ot_var_get_axis_count (hb_face_t *face);
76 HB_EXTERN unsigned int
77 hb_ot_var_get_axes (hb_face_t *face,
78 unsigned int start_offset,
79 unsigned int *axes_count /* IN/OUT */,
80 hb_ot_var_axis_t *axes_array /* OUT */);
83 hb_ot_var_find_axis (hb_face_t *face,
85 unsigned int *axis_index,
86 hb_ot_var_axis_t *axis_info);
90 hb_ot_var_normalize_variations (hb_face_t *face,
91 const hb_variation_t *variations, /* IN */
92 unsigned int variations_length,
93 int *coords, /* OUT */
94 unsigned int coords_length);
97 hb_ot_var_normalize_coords (hb_face_t *face,
98 unsigned int coords_length,
99 const float *design_coords, /* IN */
100 int *normalized_coords /* OUT */);
105 #endif /* HB_OT_VAR_H */