third_party/harfbuzz/src/harfbuzz-global.h

   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 #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