ReactOS 0.4.16-dev-2332-g4cba65d
sfwoff2.h
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1/****************************************************************************
2 *
3 * sfwoff2.h
4 *
5 * WOFFF2 format management (specification).
6 *
7 * Copyright (C) 2019-2020 by
8 * Nikhil Ramakrishnan, David Turner, Robert Wilhelm, and Werner Lemberg.
9 *
10 * This file is part of the FreeType project, and may only be used,
11 * modified, and distributed under the terms of the FreeType project
12 * license, LICENSE.TXT. By continuing to use, modify, or distribute
13 * this file you indicate that you have read the license and
14 * understand and accept it fully.
15 *
16 */
17
18
19#ifndef SFWOFF2_H_
20#define SFWOFF2_H_
21
22
25
26
28
29
30 /* Leave the first byte open to store `flag_byte'. */
31#define WOFF2_FLAGS_TRANSFORM 1 << 8
32
33#define WOFF2_SFNT_HEADER_SIZE 12
34#define WOFF2_SFNT_ENTRY_SIZE 16
35
36 /* Suggested maximum size for output. */
37#define WOFF2_DEFAULT_MAX_SIZE 30 * 1024 * 1024
38
39 /* 98% of Google Fonts have no glyph above 5k bytes. */
40#define WOFF2_DEFAULT_GLYPH_BUF 5120
41
42 /* Composite glyph flags. */
43 /* See `CompositeGlyph.java' in `sfntly' for full definitions. */
44#define FLAG_ARG_1_AND_2_ARE_WORDS 1 << 0
45#define FLAG_WE_HAVE_A_SCALE 1 << 3
46#define FLAG_MORE_COMPONENTS 1 << 5
47#define FLAG_WE_HAVE_AN_X_AND_Y_SCALE 1 << 6
48#define FLAG_WE_HAVE_A_TWO_BY_TWO 1 << 7
49#define FLAG_WE_HAVE_INSTRUCTIONS 1 << 8
50
51 /* Simple glyph flags */
52#define GLYF_ON_CURVE 1 << 0
53#define GLYF_X_SHORT 1 << 1
54#define GLYF_Y_SHORT 1 << 2
55#define GLYF_REPEAT 1 << 3
56#define GLYF_THIS_X_IS_SAME 1 << 4
57#define GLYF_THIS_Y_IS_SAME 1 << 5
58
59 /* Other constants */
60#define CONTOUR_OFFSET_END_POINT 10
61
62
66 FT_Int* face_index,
67 FT_Long* num_faces );
68
69
71
72#endif /* SFWOFF2_H_ */
73
74
75/* END */
#define FT_LOCAL(x)
#define FT_END_HEADER
Definition: ftheader.h:57
#define FT_BEGIN_HEADER
Definition: ftheader.h:37
int FT_Error
Definition: fttypes.h:299
signed long FT_Long
Definition: fttypes.h:242
signed int FT_Int
Definition: fttypes.h:220
GLenum GLuint GLint GLenum face
Definition: glext.h:7025
woff2_open_font(FT_Stream stream, TT_Face face, FT_Int *face_index, FT_Long *num_faces)
Definition: sfwoff2.c:1750
Definition: parse.h:23