kc3-lang/harfbuzz/src/hb-common.h

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• Author : Behdad Esfahbod
  Date : 2010-07-23 15:11:18
  Hash : acdba3f9
  Message : Prefer C linkage

• src/hb-common.h

• /*
   * Copyright (C) 2007,2008,2009  Red Hat, Inc.
   *
   *  This is part of HarfBuzz, a text shaping library.
   *
   * Permission is hereby granted, without written agreement and without
   * license or royalty fees, to use, copy, modify, and distribute this
   * software and its documentation for any purpose, provided that the
   * above copyright notice and the following two paragraphs appear in
   * all copies of this software.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   *
   * Red Hat Author(s): Behdad Esfahbod
   */
  
  #ifndef HB_COMMON_H
  #define HB_COMMON_H
  
  # ifdef __cplusplus
  #  define HB_BEGIN_DECLS	extern "C" {
  #  define HB_END_DECLS		}
  # else /* !__cplusplus */
  #  define HB_BEGIN_DECLS
  #  define HB_END_DECLS
  # endif /* !__cplusplus */
  
  HB_BEGIN_DECLS
  
  
  #ifdef _MSC_VER
  #define _HB__STR2__(x) #x
  #define _HB__STR1__(x) _HB__STR2__(x)
  #define _HB__LOC__ __FILE__ "("_HB__STR1__(__LINE__)") : Warning Msg: "
  #pragma message(_HB__LOC__"Not using stdint.h; integer types may have wrong size")
  typedef signed char int8_t;
  typedef unsigned char uint8_t;
  typedef signed short int16_t;
  typedef unsigned short uint16_t;
  typedef signed int int32_t;
  typedef unsigned int uint32_t;
  typedef signed long long int64_t;
  typedef unsigned long long uint64_t;
  #ifndef __cplusplus
  #define inline __inline
  #endif
  #else
  #include <stdint.h>
  #endif
  
  typedef int hb_bool_t;
  
  typedef uint32_t hb_tag_t;
  #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))
  #define HB_TAG_STR(s)   (HB_TAG(((const char *) s)[0], \
  				((const char *) s)[1], \
  				((const char *) s)[2], \
  				((const char *) s)[3]))
  #define HB_TAG_NONE HB_TAG(0,0,0,0)
  
  hb_tag_t hb_tag_from_string (const char *s);
  
  
  typedef uint32_t hb_codepoint_t;
  typedef int32_t hb_position_t;
  typedef uint32_t hb_mask_t;
  
  typedef void (*hb_destroy_func_t) (void *user_data);
  
  typedef enum _hb_direction_t {
    HB_DIRECTION_LTR,
    HB_DIRECTION_RTL,
    HB_DIRECTION_TTB,
    HB_DIRECTION_BTT
  } hb_direction_t;
  
  #define HB_DIRECTION_IS_HORIZONTAL(dir)	((((unsigned int) (dir)) & ~1U) == 0)
  #define HB_DIRECTION_IS_VERTICAL(dir)	((((unsigned int) (dir)) & ~1U) == 2)
  #define HB_DIRECTION_IS_FORWARD(dir)	((((unsigned int) (dir)) & ~2U) == 0)
  #define HB_DIRECTION_IS_BACKWARD(dir)	((((unsigned int) (dir)) & ~2U) == 1)
  #define HB_DIRECTION_REVERSE(dir)	((hb_direction_t) (((unsigned int) (dir)) ^ 1))
  
  
  HB_END_DECLS
  
  #endif /* HB_COMMON_H */