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_UNTAG()

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

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

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_to_string ()

const char *
hb_language_to_string (hb_language_t language);

Since 1.0

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

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_to_string ()

void
hb_tag_to_string (hb_tag_t tag,
                  char *buf);

Since 1.0

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)

HB_TAG_NONE

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

hb_bool_t

typedef int hb_bool_t;

hb_codepoint_t

typedef uint32_t hb_codepoint_t;

enum hb_direction_t

hb_language_t

typedef const struct hb_language_impl_t *hb_language_t;

hb_mask_t

typedef uint32_t hb_mask_t;

hb_position_t

typedef int32_t hb_position_t;

enum hb_script_t

hb_tag_t

typedef uint32_t hb_tag_t;

hb_user_data_key_t

typedef struct {
} hb_user_data_key_t;

hb_var_int_t