OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (C) 1998-2004 David Turner and Werner Lemberg | |
3 * Copyright (C) 2004,2007 Red Hat, Inc. | |
4 * | |
5 * This is part of HarfBuzz, an OpenType Layout engine 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): Owen Taylor, Behdad Esfahbod | |
26 */ | |
27 | |
28 #ifndef HARFBUZZ_BUFFER_H | |
29 #define HARFBUZZ_BUFFER_H | |
30 | |
31 #include "harfbuzz-global.h" | |
32 | |
33 HB_BEGIN_HEADER | |
34 | |
35 typedef struct HB_GlyphItemRec_ { | |
36 HB_UInt gindex; | |
37 HB_UInt properties; | |
38 HB_UInt cluster; | |
39 HB_UShort component; | |
40 HB_UShort ligID; | |
41 HB_UShort gproperties; | |
42 } HB_GlyphItemRec, *HB_GlyphItem; | |
43 | |
44 typedef struct HB_PositionRec_ { | |
45 HB_Fixed x_pos; | |
46 HB_Fixed y_pos; | |
47 HB_Fixed x_advance; | |
48 HB_Fixed y_advance; | |
49 HB_UShort back; /* number of glyphs to go back | |
50 for drawing current glyph */ | |
51 HB_Bool new_advance; /* if set, the advance width values are | |
52 absolute, i.e., they won't be | |
53 added to the original glyph's value | |
54 but rather replace them. */ | |
55 HB_Short cursive_chain; /* character to which this connects, | |
56 may be positive or negative; used | |
57 only internally */ | |
58 } HB_PositionRec, *HB_Position; | |
59 | |
60 | |
61 typedef struct HB_BufferRec_{ | |
62 HB_UInt allocated; | |
63 | |
64 HB_UInt in_length; | |
65 HB_UInt out_length; | |
66 HB_UInt in_pos; | |
67 HB_UInt out_pos; | |
68 | |
69 HB_Bool separate_out; | |
70 HB_GlyphItem in_string; | |
71 HB_GlyphItem out_string; | |
72 HB_GlyphItem alt_string; | |
73 HB_Position positions; | |
74 HB_UShort max_ligID; | |
75 } HB_BufferRec, *HB_Buffer; | |
76 | |
77 HB_Error | |
78 hb_buffer_new( HB_Buffer *buffer ); | |
79 | |
80 void | |
81 hb_buffer_free( HB_Buffer buffer ); | |
82 | |
83 void | |
84 hb_buffer_clear( HB_Buffer buffer ); | |
85 | |
86 HB_Error | |
87 hb_buffer_add_glyph( HB_Buffer buffer, | |
88 HB_UInt glyph_index, | |
89 HB_UInt properties, | |
90 HB_UInt cluster ); | |
91 | |
92 HB_END_HEADER | |
93 | |
94 #endif /* HARFBUZZ_BUFFER_H */ | |
OLD | NEW |