HB_DIRECTION_REVERSE()

#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) /* Direction must be valid */

HB_LANGUAGE_INVALID

#define HB_LANGUAGE_INVALID ((hb_language_t) NULL)

HB_TAG()

#define HB_TAG(c1,c2,c3,c4) ((hb_tag_t)((((uint8_t)(c1))<<24)|(((uint8_t)(c2))<<16)|(((uint8_t)(c3))<<8)|((uint8_t)(c4))))

HB_TAG_NONE

#define HB_TAG_NONE HB_TAG(0,0,0,0)

HB_UNTAG()

#define HB_UNTAG(tag)   ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag))

hb_bool_t

typedef int hb_bool_t;

hb_codepoint_t

typedef uint32_t hb_codepoint_t;

hb_destroy_func_t ()

void                (*hb_destroy_func_t)                (void *user_data);

hb_direction_from_string ()

hb_direction_t      hb_direction_from_string            (const char *str,
                                                         int len);

Since 1.0

enum hb_direction_t

typedef enum {
  HB_DIRECTION_INVALID = 0,
  HB_DIRECTION_LTR = 4,
  HB_DIRECTION_RTL,
  HB_DIRECTION_TTB,
  HB_DIRECTION_BTT
} hb_direction_t;

hb_direction_to_string ()

const char *        hb_direction_to_string              (hb_direction_t direction);

Since 1.0

hb_language_from_string ()

hb_language_t       hb_language_from_string             (const char *str,
                                                         int len);

Since 1.0

hb_language_get_default ()

hb_language_t       hb_language_get_default             (void);

Since 1.0

hb_language_t

typedef const struct hb_language_impl_t *hb_language_t;

hb_language_to_string ()

const char *        hb_language_to_string               (hb_language_t language);

Since 1.0

hb_mask_t

typedef uint32_t hb_mask_t;

hb_position_t

typedef int32_t hb_position_t;

hb_script_from_iso15924_tag ()

hb_script_t         hb_script_from_iso15924_tag         (hb_tag_t tag);

Since 1.0

hb_script_from_string ()

hb_script_t         hb_script_from_string               (const char *s,
                                                         int len);

Since 1.0

hb_script_get_horizontal_direction ()

hb_direction_t      hb_script_get_horizontal_direction  (hb_script_t script);

Since 1.0

enum hb_script_t

typedef enum {
  /*1.1*/ HB_SCRIPT_COMMON			= HB_TAG ('Z','y','y','y'),
  /*1.1*/ HB_SCRIPT_INHERITED			= HB_TAG ('Z','i','n','h'),
  /*5.0*/ HB_SCRIPT_UNKNOWN			= HB_TAG ('Z','z','z','z'),

  /*1.1*/ HB_SCRIPT_ARABIC			= HB_TAG ('A','r','a','b'),
  /*1.1*/ HB_SCRIPT_ARMENIAN			= HB_TAG ('A','r','m','n'),
  /*1.1*/ HB_SCRIPT_BENGALI			= HB_TAG ('B','e','n','g'),
  /*1.1*/ HB_SCRIPT_CYRILLIC			= HB_TAG ('C','y','r','l'),
  /*1.1*/ HB_SCRIPT_DEVANAGARI			= HB_TAG ('D','e','v','a'),
  /*1.1*/ HB_SCRIPT_GEORGIAN			= HB_TAG ('G','e','o','r'),
  /*1.1*/ HB_SCRIPT_GREEK			= HB_TAG ('G','r','e','k'),
  /*1.1*/ HB_SCRIPT_GUJARATI			= HB_TAG ('G','u','j','r'),
  /*1.1*/ HB_SCRIPT_GURMUKHI			= HB_TAG ('G','u','r','u'),
  /*1.1*/ HB_SCRIPT_HANGUL			= HB_TAG ('H','a','n','g'),
  /*1.1*/ HB_SCRIPT_HAN				= HB_TAG ('H','a','n','i'),
  /*1.1*/ HB_SCRIPT_HEBREW			= HB_TAG ('H','e','b','r'),
  /*1.1*/ HB_SCRIPT_HIRAGANA			= HB_TAG ('H','i','r','a'),
  /*1.1*/ HB_SCRIPT_KANNADA			= HB_TAG ('K','n','d','a'),
  /*1.1*/ HB_SCRIPT_KATAKANA			= HB_TAG ('K','a','n','a'),
  /*1.1*/ HB_SCRIPT_LAO				= HB_TAG ('L','a','o','o'),
  /*1.1*/ HB_SCRIPT_LATIN			= HB_TAG ('L','a','t','n'),
  /*1.1*/ HB_SCRIPT_MALAYALAM			= HB_TAG ('M','l','y','m'),
  /*1.1*/ HB_SCRIPT_ORIYA			= HB_TAG ('O','r','y','a'),
  /*1.1*/ HB_SCRIPT_TAMIL			= HB_TAG ('T','a','m','l'),
  /*1.1*/ HB_SCRIPT_TELUGU			= HB_TAG ('T','e','l','u'),
  /*1.1*/ HB_SCRIPT_THAI			= HB_TAG ('T','h','a','i'),

  /*2.0*/ HB_SCRIPT_TIBETAN			= HB_TAG ('T','i','b','t'),

  /*3.0*/ HB_SCRIPT_BOPOMOFO			= HB_TAG ('B','o','p','o'),
  /*3.0*/ HB_SCRIPT_BRAILLE			= HB_TAG ('B','r','a','i'),
  /*3.0*/ HB_SCRIPT_CANADIAN_SYLLABICS		= HB_TAG ('C','a','n','s'),
  /*3.0*/ HB_SCRIPT_CHEROKEE			= HB_TAG ('C','h','e','r'),
  /*3.0*/ HB_SCRIPT_ETHIOPIC			= HB_TAG ('E','t','h','i'),
  /*3.0*/ HB_SCRIPT_KHMER			= HB_TAG ('K','h','m','r'),
  /*3.0*/ HB_SCRIPT_MONGOLIAN			= HB_TAG ('M','o','n','g'),
  /*3.0*/ HB_SCRIPT_MYANMAR			= HB_TAG ('M','y','m','r'),
  /*3.0*/ HB_SCRIPT_OGHAM			= HB_TAG ('O','g','a','m'),
  /*3.0*/ HB_SCRIPT_RUNIC			= HB_TAG ('R','u','n','r'),
  /*3.0*/ HB_SCRIPT_SINHALA			= HB_TAG ('S','i','n','h'),
  /*3.0*/ HB_SCRIPT_SYRIAC			= HB_TAG ('S','y','r','c'),
  /*3.0*/ HB_SCRIPT_THAANA			= HB_TAG ('T','h','a','a'),
  /*3.0*/ HB_SCRIPT_YI				= HB_TAG ('Y','i','i','i'),

  /*3.1*/ HB_SCRIPT_DESERET			= HB_TAG ('D','s','r','t'),
  /*3.1*/ HB_SCRIPT_GOTHIC			= HB_TAG ('G','o','t','h'),
  /*3.1*/ HB_SCRIPT_OLD_ITALIC			= HB_TAG ('I','t','a','l'),

  /*3.2*/ HB_SCRIPT_BUHID			= HB_TAG ('B','u','h','d'),
  /*3.2*/ HB_SCRIPT_HANUNOO			= HB_TAG ('H','a','n','o'),
  /*3.2*/ HB_SCRIPT_TAGALOG			= HB_TAG ('T','g','l','g'),
  /*3.2*/ HB_SCRIPT_TAGBANWA			= HB_TAG ('T','a','g','b'),

  /*4.0*/ HB_SCRIPT_CYPRIOT			= HB_TAG ('C','p','r','t'),
  /*4.0*/ HB_SCRIPT_LIMBU			= HB_TAG ('L','i','m','b'),
  /*4.0*/ HB_SCRIPT_LINEAR_B			= HB_TAG ('L','i','n','b'),
  /*4.0*/ HB_SCRIPT_OSMANYA			= HB_TAG ('O','s','m','a'),
  /*4.0*/ HB_SCRIPT_SHAVIAN			= HB_TAG ('S','h','a','w'),
  /*4.0*/ HB_SCRIPT_TAI_LE			= HB_TAG ('T','a','l','e'),
  /*4.0*/ HB_SCRIPT_UGARITIC			= HB_TAG ('U','g','a','r'),

  /*4.1*/ HB_SCRIPT_BUGINESE			= HB_TAG ('B','u','g','i'),
  /*4.1*/ HB_SCRIPT_COPTIC			= HB_TAG ('C','o','p','t'),
  /*4.1*/ HB_SCRIPT_GLAGOLITIC			= HB_TAG ('G','l','a','g'),
  /*4.1*/ HB_SCRIPT_KHAROSHTHI			= HB_TAG ('K','h','a','r'),
  /*4.1*/ HB_SCRIPT_NEW_TAI_LUE			= HB_TAG ('T','a','l','u'),
  /*4.1*/ HB_SCRIPT_OLD_PERSIAN			= HB_TAG ('X','p','e','o'),
  /*4.1*/ HB_SCRIPT_SYLOTI_NAGRI		= HB_TAG ('S','y','l','o'),
  /*4.1*/ HB_SCRIPT_TIFINAGH			= HB_TAG ('T','f','n','g'),

  /*5.0*/ HB_SCRIPT_BALINESE			= HB_TAG ('B','a','l','i'),
  /*5.0*/ HB_SCRIPT_CUNEIFORM			= HB_TAG ('X','s','u','x'),
  /*5.0*/ HB_SCRIPT_NKO				= HB_TAG ('N','k','o','o'),
  /*5.0*/ HB_SCRIPT_PHAGS_PA			= HB_TAG ('P','h','a','g'),
  /*5.0*/ HB_SCRIPT_PHOENICIAN			= HB_TAG ('P','h','n','x'),

  /*5.1*/ HB_SCRIPT_CARIAN			= HB_TAG ('C','a','r','i'),
  /*5.1*/ HB_SCRIPT_CHAM			= HB_TAG ('C','h','a','m'),
  /*5.1*/ HB_SCRIPT_KAYAH_LI			= HB_TAG ('K','a','l','i'),
  /*5.1*/ HB_SCRIPT_LEPCHA			= HB_TAG ('L','e','p','c'),
  /*5.1*/ HB_SCRIPT_LYCIAN			= HB_TAG ('L','y','c','i'),
  /*5.1*/ HB_SCRIPT_LYDIAN			= HB_TAG ('L','y','d','i'),
  /*5.1*/ HB_SCRIPT_OL_CHIKI			= HB_TAG ('O','l','c','k'),
  /*5.1*/ HB_SCRIPT_REJANG			= HB_TAG ('R','j','n','g'),
  /*5.1*/ HB_SCRIPT_SAURASHTRA			= HB_TAG ('S','a','u','r'),
  /*5.1*/ HB_SCRIPT_SUNDANESE			= HB_TAG ('S','u','n','d'),
  /*5.1*/ HB_SCRIPT_VAI				= HB_TAG ('V','a','i','i'),

  /*5.2*/ HB_SCRIPT_AVESTAN			= HB_TAG ('A','v','s','t'),
  /*5.2*/ HB_SCRIPT_BAMUM			= HB_TAG ('B','a','m','u'),
  /*5.2*/ HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'),
  /*5.2*/ HB_SCRIPT_IMPERIAL_ARAMAIC		= HB_TAG ('A','r','m','i'),
  /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'),
  /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'),
  /*5.2*/ HB_SCRIPT_JAVANESE			= HB_TAG ('J','a','v','a'),
  /*5.2*/ HB_SCRIPT_KAITHI			= HB_TAG ('K','t','h','i'),
  /*5.2*/ HB_SCRIPT_LISU			= HB_TAG ('L','i','s','u'),
  /*5.2*/ HB_SCRIPT_MEETEI_MAYEK		= HB_TAG ('M','t','e','i'),
  /*5.2*/ HB_SCRIPT_OLD_SOUTH_ARABIAN		= HB_TAG ('S','a','r','b'),
  /*5.2*/ HB_SCRIPT_OLD_TURKIC			= HB_TAG ('O','r','k','h'),
  /*5.2*/ HB_SCRIPT_SAMARITAN			= HB_TAG ('S','a','m','r'),
  /*5.2*/ HB_SCRIPT_TAI_THAM			= HB_TAG ('L','a','n','a'),
  /*5.2*/ HB_SCRIPT_TAI_VIET			= HB_TAG ('T','a','v','t'),

  /*6.0*/ HB_SCRIPT_BATAK			= HB_TAG ('B','a','t','k'),
  /*6.0*/ HB_SCRIPT_BRAHMI			= HB_TAG ('B','r','a','h'),
  /*6.0*/ HB_SCRIPT_MANDAIC			= HB_TAG ('M','a','n','d'),

  /*6.1*/ HB_SCRIPT_CHAKMA			= HB_TAG ('C','a','k','m'),
  /*6.1*/ HB_SCRIPT_MEROITIC_CURSIVE		= HB_TAG ('M','e','r','c'),
  /*6.1*/ HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'),
  /*6.1*/ HB_SCRIPT_MIAO			= HB_TAG ('P','l','r','d'),
  /*6.1*/ HB_SCRIPT_SHARADA			= HB_TAG ('S','h','r','d'),
  /*6.1*/ HB_SCRIPT_SORA_SOMPENG		= HB_TAG ('S','o','r','a'),
  /*6.1*/ HB_SCRIPT_TAKRI			= HB_TAG ('T','a','k','r'),

  /* No script set. */
  /*---*/ HB_SCRIPT_INVALID			= HB_TAG_NONE
} hb_script_t;

hb_script_to_iso15924_tag ()

hb_tag_t            hb_script_to_iso15924_tag           (hb_script_t script);

Since 1.0

hb_tag_from_string ()

hb_tag_t            hb_tag_from_string                  (const char *str,
                                                         int len);

Since 1.0

hb_tag_t

typedef uint32_t hb_tag_t;

hb_tag_to_string ()

void                hb_tag_to_string                    (hb_tag_t tag,
                                                         char *buf);

Since 1.0

hb_user_data_key_t

typedef struct {
} hb_user_data_key_t;

hb_var_int_t

typedef union _hb_var_int_t {
  uint32_t u32;
  int32_t i32;
  uint16_t u16[2];
  int16_t i16[2];
  uint8_t u8[4];
  int8_t i8[4];
} hb_var_int_t;

HB_DIRECTION_IS_BACKWARD()

#define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5)

HB_DIRECTION_IS_FORWARD()

#define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4)

HB_DIRECTION_IS_HORIZONTAL()

#define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4)

HB_DIRECTION_IS_VALID()

#define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4)

HB_DIRECTION_IS_VERTICAL()

#define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6)