hb-common.h revision c7d457aa3ae7138630f52ca7263f663a3ea284c0
1/* 2 * Copyright (C) 2007,2008 Red Hat, Inc. 3 * 4 * This is part of HarfBuzz, an OpenType Layout engine library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Red Hat Author(s): Behdad Esfahbod 25 */ 26 27#ifndef HB_COMMON_H 28#define HB_COMMON_H 29 30#include <stdint.h> 31 32# ifdef __cplusplus 33# define HB_BEGIN_DECLS() extern "C" { extern int _hb_dummy_prototype1 (int) 34# define HB_END_DECLS() } extern "C" int _hb_dummy_prototype2 (int) 35# else /* !__cplusplus */ 36# define HB_BEGIN_DECLS() extern int _hb_dummy_prototype1 (int) 37# define HB_END_DECLS() extern int _hb_dummy_prototype2 (int) 38# endif /* !__cplusplus */ 39 40typedef int hb_bool_t; 41 42typedef uint32_t hb_tag_t; 43#define HB_TAG(a,b,c,d) ((hb_tag_t)(((uint8_t)a<<24)|((uint8_t)b<<16)|((uint8_t)c<<8)|(uint8_t)d)) 44#define HB_TAG_STR(s) (HB_TAG(((const char *) s)[0], \ 45 ((const char *) s)[1], \ 46 ((const char *) s)[2], \ 47 ((const char *) s)[3])) 48 49typedef uint32_t hb_codepoint_t; 50typedef int32_t hb_position_t; 51typedef int32_t hb_16dot16_t; 52 53#endif /* HB_COMMON_H */ 54