1/*
2 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
3 * Copyright (C) 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): Behdad Esfahbod
26 */
27
28#ifndef HARFBUZZ_GLOBAL_H
29#define HARFBUZZ_GLOBAL_H
30
31#include <stdlib.h>
32#include <string.h>
33
34#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__MINGW32__)
35# define HB_BEGIN_VISIBILITY _Pragma ("GCC visibility push(hidden)")
36# define HB_END_VISIBILITY _Pragma ("GCC visibility pop")
37#else
38# define HB_BEGIN_VISIBILITY
39# define HB_END_VISIBILITY
40#endif
41#ifdef __cplusplus
42# define HB_BEGIN_HEADER  extern "C" { HB_BEGIN_VISIBILITY
43# define HB_END_HEADER  HB_END_VISIBILITY }
44#else
45# define HB_BEGIN_HEADER  HB_BEGIN_VISIBILITY
46# define HB_END_HEADER  HB_END_VISIBILITY
47#endif
48
49HB_BEGIN_HEADER
50
51#ifndef FALSE
52#define FALSE 0
53#endif
54
55#ifndef TRUE
56#define TRUE (!FALSE)
57#endif
58
59#define HB_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
60          ( ( (HB_UInt)_x1 << 24 ) |     \
61            ( (HB_UInt)_x2 << 16 ) |     \
62            ( (HB_UInt)_x3 <<  8 ) |     \
63              (HB_UInt)_x4         )
64
65typedef char hb_int8;
66typedef unsigned char hb_uint8;
67typedef short hb_int16;
68typedef unsigned short hb_uint16;
69typedef int hb_int32;
70typedef unsigned int hb_uint32;
71
72typedef hb_uint8 HB_Bool;
73
74typedef hb_uint8 HB_Byte;
75typedef hb_uint16 HB_UShort;
76typedef hb_uint32 HB_UInt;
77typedef hb_int8 HB_Char;
78typedef hb_int16 HB_Short;
79typedef hb_int32 HB_Int;
80
81typedef hb_uint16 HB_UChar16;
82typedef hb_uint32 HB_UChar32;
83typedef hb_uint32 HB_Glyph;
84typedef hb_int32 HB_Fixed; /* 26.6 */
85
86#define HB_FIXED_CONSTANT(v) ((v) * 64)
87#define HB_FIXED_ROUND(v) (((v)+32) & -64)
88
89typedef hb_int32 HB_16Dot16; /* 16.16 */
90
91typedef void * HB_Pointer;
92typedef hb_uint32 HB_Tag;
93
94typedef enum {
95  /* no error */
96  HB_Err_Ok                           = 0x0000,
97  HB_Err_Not_Covered                  = 0xFFFF,
98
99  /* _hb_err() is called whenever returning the following errors,
100   * and in a couple places for HB_Err_Not_Covered too. */
101
102  /* programmer error */
103  HB_Err_Invalid_Argument             = 0x1A66,
104
105  /* font error */
106  HB_Err_Invalid_SubTable_Format      = 0x157F,
107  HB_Err_Invalid_SubTable             = 0x1570,
108  HB_Err_Read_Error                   = 0x6EAD,
109
110  /* system error */
111  HB_Err_Out_Of_Memory                = 0xDEAD
112} HB_Error;
113
114typedef struct {
115    HB_Fixed x;
116    HB_Fixed y;
117} HB_FixedPoint;
118
119typedef struct HB_Font_ *HB_Font;
120typedef struct HB_StreamRec_ *HB_Stream;
121typedef struct HB_FaceRec_ *HB_Face;
122
123HB_END_HEADER
124
125#endif
126