1 /*
2  * Copyright (C) 2015 The Qt Company Ltd
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 #ifdef __cplusplus
35 #define HB_BEGIN_HEADER  extern "C" {
36 #define HB_END_HEADER  }
37 #else
38 #define HB_BEGIN_HEADER  /* nothing */
39 #define HB_END_HEADER  /* nothing */
40 #endif
41 
42 HB_BEGIN_HEADER
43 
44 #ifndef FALSE
45 #define FALSE 0
46 #endif
47 
48 #ifndef TRUE
49 #define TRUE (!FALSE)
50 #endif
51 
52 #define HB_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
53           ( ( (HB_UInt)_x1 << 24 ) |     \
54             ( (HB_UInt)_x2 << 16 ) |     \
55             ( (HB_UInt)_x3 <<  8 ) |     \
56               (HB_UInt)_x4         )
57 
58 typedef char hb_int8;
59 typedef unsigned char hb_uint8;
60 typedef short hb_int16;
61 typedef unsigned short hb_uint16;
62 typedef int hb_int32;
63 typedef unsigned int hb_uint32;
64 
65 typedef hb_uint8 HB_Bool;
66 
67 typedef hb_uint8 HB_Byte;
68 typedef hb_uint16 HB_UShort;
69 typedef hb_uint32 HB_UInt;
70 typedef hb_int8 HB_Char;
71 typedef hb_int16 HB_Short;
72 typedef hb_int32 HB_Int;
73 
74 typedef hb_uint16 HB_UChar16;
75 typedef hb_uint32 HB_UChar32;
76 typedef hb_uint32 HB_Glyph;
77 typedef hb_int32 HB_Fixed; /* 26.6 */
78 
79 #define HB_FIXED_CONSTANT(v) ((v) * 64)
80 #define HB_FIXED_ROUND(v) (((v)+32) & -64)
81 
82 typedef hb_int32 HB_16Dot16; /* 16.16 */
83 
84 typedef void * HB_Pointer;
85 typedef hb_uint32 HB_Tag;
86 
87 typedef enum {
88   /* no error */
89   HB_Err_Ok                           = 0x0000,
90   HB_Err_Not_Covered                  = 0xFFFF,
91 
92   /* _hb_err() is called whenever returning the following errors,
93    * and in a couple places for HB_Err_Not_Covered too. */
94 
95   /* programmer error */
96   HB_Err_Invalid_Argument             = 0x1A66,
97 
98   /* font error */
99   HB_Err_Invalid_SubTable_Format      = 0x157F,
100   HB_Err_Invalid_SubTable             = 0x1570,
101   HB_Err_Read_Error                   = 0x6EAD,
102 
103   /* system error */
104   HB_Err_Out_Of_Memory                = 0xDEAD
105 } HB_Error;
106 
107 typedef struct {
108     HB_Fixed x;
109     HB_Fixed y;
110 } HB_FixedPoint;
111 
112 typedef struct HB_Font_ *HB_Font;
113 typedef struct HB_StreamRec_ *HB_Stream;
114 typedef struct HB_FaceRec_ *HB_Face;
115 
116 HB_END_HEADER
117 
118 #endif
119