hb-common.h revision 1ce4dc95dbb28842085342aea4f9d12cbe9671a9
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 30cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#ifdef _MSC_VER 31cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__STR2__(x) #x 32cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__STR1__(x) _HB__STR2__(x) 33cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#define _HB__LOC__ __FILE__ "("_HB__STR1__(__LINE__)") : Warning Msg: " 34cd7555eef27cb18857c0c06d2afdaf3a354a3c15Behdad Esfahbod#pragma message(_HB__LOC__"Not using stdint.h; integer types may have wrong size") 35cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed char int8_t; 36cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned char uint8_t; 37cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed short int16_t; 38cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned short uint16_t; 39cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef signed int int32_t; 40cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbodtypedef unsigned int uint32_t; 41ffbe0a853d5e7defa85d0eef53814c22d1ecb412Behdad Esfahbodtypedef signed long long int64_t; 42ffbe0a853d5e7defa85d0eef53814c22d1ecb412Behdad Esfahbodtypedef unsigned long long uint64_t; 43cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#ifndef __cplusplus 44cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#define inline __inline 45cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#endif 46cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#else 478dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#include <stdint.h> 48cc4c096a7e08ae96b3030fe27f871ce5b797f370Behdad Esfahbod#endif 498dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod 508dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod# ifdef __cplusplus 51f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad Esfahbod# define HB_BEGIN_DECLS extern "C" { 52f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad Esfahbod# define HB_END_DECLS } 538dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod# else /* !__cplusplus */ 54f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad Esfahbod# define HB_BEGIN_DECLS 55f96ffd43bce0ac6d9c897933c9be0e51d543e570Behdad Esfahbod# define HB_END_DECLS 568dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod# endif /* !__cplusplus */ 578dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod 58590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbodtypedef int hb_bool_t; 59590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 60590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbodtypedef uint32_t hb_tag_t; 61590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad 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)) 62590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod#define HB_TAG_STR(s) (HB_TAG(((const char *) s)[0], \ 63590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[1], \ 64590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[2], \ 65590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod ((const char *) s)[3])) 660ead481a5a8623103565fd7d924666e7342278ddBehdad Esfahbod#define HB_TAG_NONE HB_TAG(0,0,0,0) 67590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 682d15e72c75931398db5e027e660f1320bb979117Behdad Esfahbodtypedef uint32_t hb_codepoint_t; 69c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbodtypedef int32_t hb_position_t; 70c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbodtypedef int32_t hb_16dot16_t; 71468769b8f5332940278244e744ec2bd5a5dc5ee9Behdad Esfahbodtypedef uint32_t hb_mask_t; 72590d55cbb9e21ef74dfd88eee51fd0a763958cd2Behdad Esfahbod 730090dc0f67b553d2f6eaaedc289c0956ade09ef6Behdad Esfahbodtypedef void (*hb_destroy_func_t) (void *user_data); 740090dc0f67b553d2f6eaaedc289c0956ade09ef6Behdad Esfahbod 75ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbodtypedef enum _hb_direction_t { 76ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_LTR, 77ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_RTL, 78ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_TTB, 79ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod HB_DIRECTION_BTT 80ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod} hb_direction_t; 81ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 821ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 0) 831ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 2) 841ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 0) 851ce4dc95dbb28842085342aea4f9d12cbe9671a9Behdad Esfahbod#define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 1) 8622da7fd94d6318c52df69d70470a85464ffc533dBehdad Esfahbod#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) 87ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 88ff44f88df2c46920f3ec2384ef321a4c7bb0f6efBehdad Esfahbod 898dd1c8b8d6797d899d0f5b0a8015886bf6520ca2Behdad Esfahbod#endif /* HB_COMMON_H */ 90