hb-common.h revision 6cb8c3493019e1497921666fc268cb81943f9f1f
164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod/* 26c78683c042250a7b5a6fc6ebae4717b03fadf9eBehdad Esfahbod * Copyright (C) 2007,2008,2009 Red Hat, Inc. 364aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 4c755cb3e3ac55156d0d2ec05adea7a650b97cc41Behdad Esfahbod * This is part of HarfBuzz, a text shaping library. 564aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 664aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * Permission is hereby granted, without written agreement and without 764aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * license or royalty fees, to use, copy, modify, and distribute this 864aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * software and its documentation for any purpose, provided that the 964aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * above copyright notice and the following two paragraphs appear in 1064aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * all copies of this software. 1164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 1264aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 1364aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 1464aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 1564aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 1664aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * DAMAGE. 1764aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 1864aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 1964aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 2064aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 2164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 2264aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 2364aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 2464aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * Red Hat Author(s): Behdad Esfahbod 2564aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod */ 2664aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod 278dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#ifndef HB_COMMON_H 288dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#define HB_COMMON_H 298dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod 30acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# ifdef __cplusplus 31acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# define HB_BEGIN_DECLS extern "C" { 32acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# define HB_END_DECLS } 33acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# else /* !__cplusplus */ 34acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# define HB_BEGIN_DECLS 35acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# define HB_END_DECLS 36acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod# endif /* !__cplusplus */ 37acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 38acdba3f90b232fc12fcb200dca2584481b339118Behdad EsfahbodHB_BEGIN_DECLS 39acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 40acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 41cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#ifdef _MSC_VER 42cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__STR2__(x) #x 43cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__STR1__(x) _HB__STR2__(x) 44cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__LOC__ __FILE__ "("_HB__STR1__(__LINE__)") : Warning Msg: " 45cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#pragma message(_HB__LOC__"Not using stdint.h; integer types may have wrong size") 46cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed char int8_t; 47cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned char uint8_t; 48cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed short int16_t; 49cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned short uint16_t; 50cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed int int32_t; 51cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned int uint32_t; 52ffbe0a853d5e7defa85d0eef53814c22d1ecb412Behdad Esfahbodtypedef signed long long int64_t; 53ffbe0a853d5e7defa85d0eef53814c22d1ecb412Behdad Esfahbodtypedef unsigned long long uint64_t; 54cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#ifndef __cplusplus 55cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#define inline __inline 56cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#endif 57cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#else 588dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#include <stdint.h> 59cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#endif 608dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod 61590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbodtypedef int hb_bool_t; 62590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 63590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbodtypedef uint32_t hb_tag_t; 64590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod#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)) 65590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod#define HB_TAG_STR(s) (HB_TAG(((const char *) s)[0], \ 66590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[1], \ 67590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[2], \ 68590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[3])) 690ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod#define HB_TAG_NONE HB_TAG(0,0,0,0) 70590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 7183f34677bcbc6bb194940407b0fcb23575650e3dBehdad Esfahbodhb_tag_t hb_tag_from_string (const char *s); 7283f34677bcbc6bb194940407b0fcb23575650e3dBehdad Esfahbod 7383f34677bcbc6bb194940407b0fcb23575650e3dBehdad Esfahbod 742d15e72c75931398db5e027e660f1320bb979117Behdad Esfahbodtypedef uint32_t hb_codepoint_t; 75c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbodtypedef int32_t hb_position_t; 76468769b8f5332940278244e744ec2bd5a5dc5ee9Behdad Esfahbodtypedef uint32_t hb_mask_t; 77590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 780090dc0f67b553d2f6eaaedc289c0956ade09ef6Behdad Esfahbodtypedef void (*hb_destroy_func_t) (void *user_data); 790090dc0f67b553d2f6eaaedc289c0956ade09ef6Behdad Esfahbod 80ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbodtypedef enum _hb_direction_t { 81ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_LTR, 82ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_RTL, 83ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_TTB, 84ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_BTT 85ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod} hb_direction_t; 86ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 871ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 0) 881ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 2) 891ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 0) 901ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 1) 9122da7fd94d6318c52df69d70470a85464ffc533dBehdad Esfahbod#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) 92ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 93ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 946cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbodtypedef union _hb_var_int_t { 956cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod uint32_t u32; 966cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod int32_t i32; 976cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod uint16_t u16[2]; 986cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod int16_t i16[2]; 996cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod uint8_t u8[4]; 1006cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod int8_t i8[4]; 1016cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod} hb_var_int_t; 1026cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod 1036cb8c3493019e1497921666fc268cb81943f9f1fBehdad Esfahbod 104acdba3f90b232fc12fcb200dca2584481b339118Behdad EsfahbodHB_END_DECLS 105acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 1068dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#endif /* HB_COMMON_H */ 107