2 * Copyright (C) 2007,2008,2009 Red Hat, Inc.
4 * This is part of HarfBuzz, an OpenType Layout engine 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
27 #ifndef HB_OT_LAYOUT_PRIVATE_H
28 #define HB_OT_LAYOUT_PRIVATE_H
30 #include "hb-private.h"
31 #include "hb-ot-layout.h"
34 #include "hb-buffer.h"
37 typedef unsigned int hb_ot_layout_class_t;
39 struct _hb_ot_layout_t
41 const struct GDEF *gdef;
42 const struct GSUB *gsub;
43 const struct GPOS *gpos;
47 unsigned char *klasses;
51 /* TODO full-matrix transformation? */
54 unsigned int x_ppem, y_ppem;
55 hb_16dot16_t x_scale, y_scale;
60 unsigned int last; /* the last valid glyph--used with cursive positioning */
61 hb_position_t anchor_x; /* the coordinates of the anchor point */
62 hb_position_t anchor_y; /* of the last valid glyph */
74 _hb_ot_layout_has_new_glyph_classes (hb_ot_layout_t *layout);
76 HB_INTERNAL unsigned int
77 _hb_ot_layout_get_glyph_property (hb_ot_layout_t *layout,
78 hb_codepoint_t glyph);
81 _hb_ot_layout_set_glyph_property (hb_ot_layout_t *layout,
83 unsigned int property);
86 _hb_ot_layout_check_glyph_property (hb_ot_layout_t *layout,
87 hb_glyph_info_t *ginfo,
88 unsigned int lookup_flags,
89 unsigned int *property);
93 #endif /* HB_OT_LAYOUT_PRIVATE_H */