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#define HB_SEGMENT_PROPERTIES_DEFAULT void hb_buffer_add (hb_buffer_t *buffer
,hb_codepoint_t codepoint
,unsigned int cluster
); void hb_buffer_add_utf16 (hb_buffer_t *buffer
,const uint16_t *text
,int text_length
,unsigned int item_offset
,int item_length
); void hb_buffer_add_utf32 (hb_buffer_t *buffer
,const uint32_t *text
,int text_length
,unsigned int item_offset
,int item_length
); void hb_buffer_add_utf8 (hb_buffer_t *buffer
,const char *text
,int text_length
,unsigned int item_offset
,int item_length
); hb_bool_t hb_buffer_allocation_successful (hb_buffer_t *buffer
); void hb_buffer_clear_contents (hb_buffer_t *buffer
); enum hb_buffer_content_type_t; hb_buffer_t * hb_buffer_create (void
); hb_bool_t hb_buffer_deserialize_glyphs (hb_buffer_t *buffer
,const char *buf
,int buf_len
,const char **end_ptr
,hb_font_t *font
,hb_buffer_serialize_format_t format
); void hb_buffer_destroy (hb_buffer_t *buffer
); enum hb_buffer_flags_t; hb_buffer_content_type_t hb_buffer_get_content_type (hb_buffer_t *buffer
); hb_direction_t hb_buffer_get_direction (hb_buffer_t *buffer
); hb_buffer_t * hb_buffer_get_empty (void
); hb_buffer_flags_t hb_buffer_get_flags (hb_buffer_t *buffer
); hb_glyph_info_t * hb_buffer_get_glyph_infos (hb_buffer_t *buffer
,unsigned int *length
); hb_glyph_position_t * hb_buffer_get_glyph_positions (hb_buffer_t *buffer
,unsigned int *length
); hb_language_t hb_buffer_get_language (hb_buffer_t *buffer
); unsigned int hb_buffer_get_length (hb_buffer_t *buffer
); hb_script_t hb_buffer_get_script (hb_buffer_t *buffer
); void hb_buffer_get_segment_properties (hb_buffer_t *buffer
,hb_segment_properties_t *props
); hb_unicode_funcs_t * hb_buffer_get_unicode_funcs (hb_buffer_t *buffer
); void * hb_buffer_get_user_data (hb_buffer_t *buffer
,hb_user_data_key_t *key
); void hb_buffer_guess_segment_properties (hb_buffer_t *buffer
); void hb_buffer_normalize_glyphs (hb_buffer_t *buffer
); hb_bool_t hb_buffer_pre_allocate (hb_buffer_t *buffer
,unsigned int size
); hb_buffer_t * hb_buffer_reference (hb_buffer_t *buffer
); void hb_buffer_reset (hb_buffer_t *buffer
); void hb_buffer_reverse (hb_buffer_t *buffer
); void hb_buffer_reverse_clusters (hb_buffer_t *buffer
); enum hb_buffer_serialize_flags_t; hb_buffer_serialize_format_t hb_buffer_serialize_format_from_string (const char *str
,int len
); enum hb_buffer_serialize_format_t; const char * hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format
); unsigned int hb_buffer_serialize_glyphs (hb_buffer_t *buffer
,unsigned int start
,unsigned int end
,char *buf
,unsigned int buf_size
,unsigned int *buf_consumed
,hb_font_t *font
,hb_buffer_serialize_format_t format
,hb_buffer_serialize_flags_t flags
); const char ** hb_buffer_serialize_list_formats (void
); void hb_buffer_set_content_type (hb_buffer_t *buffer
,hb_buffer_content_type_t content_type
); void hb_buffer_set_direction (hb_buffer_t *buffer
,hb_direction_t direction
); void hb_buffer_set_flags (hb_buffer_t *buffer
,hb_buffer_flags_t flags
); void hb_buffer_set_language (hb_buffer_t *buffer
,hb_language_t language
); hb_bool_t hb_buffer_set_length (hb_buffer_t *buffer
,unsigned int length
); void hb_buffer_set_script (hb_buffer_t *buffer
,hb_script_t script
); void hb_buffer_set_segment_properties (hb_buffer_t *buffer
,const hb_segment_properties_t *props
); void hb_buffer_set_unicode_funcs (hb_buffer_t *buffer
,hb_unicode_funcs_t *unicode_funcs
); hb_bool_t hb_buffer_set_user_data (hb_buffer_t *buffer
,hb_user_data_key_t *key
,void *data
,hb_destroy_func_t destroy
,hb_bool_t replace
); typedef hb_buffer_t; hb_glyph_info_t; hb_glyph_position_t; hb_bool_t hb_segment_properties_equal (const hb_segment_properties_t *a
,const hb_segment_properties_t *b
); unsigned int hb_segment_properties_hash (const hb_segment_properties_t *p
); hb_segment_properties_t;
GEnum +----hb_buffer_content_type_t
GFlags +----hb_buffer_flags_t
GFlags +----hb_buffer_serialize_flags_t
GEnum +----hb_buffer_serialize_format_t
GBoxed +----hb_buffer_t
GBoxed +----hb_glyph_info_t
GBoxed +----hb_glyph_position_t
GBoxed +----hb_segment_properties_t
void hb_buffer_add (hb_buffer_t *buffer
,hb_codepoint_t codepoint
,unsigned int cluster
);
void hb_buffer_add_utf16 (hb_buffer_t *buffer
,const uint16_t *text
,int text_length
,unsigned int item_offset
,int item_length
);
void hb_buffer_add_utf32 (hb_buffer_t *buffer
,const uint32_t *text
,int text_length
,unsigned int item_offset
,int item_length
);
void hb_buffer_add_utf8 (hb_buffer_t *buffer
,const char *text
,int text_length
,unsigned int item_offset
,int item_length
);
typedef enum { HB_BUFFER_CONTENT_TYPE_INVALID = 0, HB_BUFFER_CONTENT_TYPE_UNICODE, HB_BUFFER_CONTENT_TYPE_GLYPHS } hb_buffer_content_type_t;
hb_bool_t hb_buffer_deserialize_glyphs (hb_buffer_t *buffer
,const char *buf
,int buf_len
,const char **end_ptr
,hb_font_t *font
,hb_buffer_serialize_format_t format
);
typedef enum { /*< flags >*/ HB_BUFFER_FLAG_DEFAULT = 0x00000000, HB_BUFFER_FLAG_BOT = 0x00000001, /* Beginning-of-text */ HB_BUFFER_FLAG_EOT = 0x00000002, /* End-of-text */ HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES = 0x00000004 } hb_buffer_flags_t;
hb_buffer_content_type_t hb_buffer_get_content_type (hb_buffer_t *buffer
);
hb_glyph_info_t * hb_buffer_get_glyph_infos (hb_buffer_t *buffer
,unsigned int *length
);
hb_glyph_position_t * hb_buffer_get_glyph_positions (hb_buffer_t *buffer
,unsigned int *length
);
void hb_buffer_get_segment_properties (hb_buffer_t *buffer
,hb_segment_properties_t *props
);
hb_unicode_funcs_t * hb_buffer_get_unicode_funcs (hb_buffer_t *buffer
);
void * hb_buffer_get_user_data (hb_buffer_t *buffer
,hb_user_data_key_t *key
);
void hb_buffer_guess_segment_properties (hb_buffer_t *buffer
);
hb_bool_t hb_buffer_pre_allocate (hb_buffer_t *buffer
,unsigned int size
);
typedef enum { /*< flags >*/ HB_BUFFER_SERIALIZE_FLAG_DEFAULT = 0x00000000, HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS = 0x00000001, HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS = 0x00000002, HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES = 0x00000004 } hb_buffer_serialize_flags_t;
hb_buffer_serialize_format_t hb_buffer_serialize_format_from_string (const char *str
,int len
);
typedef enum { HB_BUFFER_SERIALIZE_FORMAT_TEXT = HB_TAG('T','E','X','T'), HB_BUFFER_SERIALIZE_FORMAT_JSON = HB_TAG('J','S','O','N'), HB_BUFFER_SERIALIZE_FORMAT_INVALID = HB_TAG_NONE } hb_buffer_serialize_format_t;
const char * hb_buffer_serialize_format_to_string
(hb_buffer_serialize_format_t format
);
unsigned int hb_buffer_serialize_glyphs (hb_buffer_t *buffer
,unsigned int start
,unsigned int end
,char *buf
,unsigned int buf_size
,unsigned int *buf_consumed
,hb_font_t *font
,hb_buffer_serialize_format_t format
,hb_buffer_serialize_flags_t flags
);
void hb_buffer_set_content_type (hb_buffer_t *buffer
,hb_buffer_content_type_t content_type
);
void hb_buffer_set_direction (hb_buffer_t *buffer
,hb_direction_t direction
);
void hb_buffer_set_language (hb_buffer_t *buffer
,hb_language_t language
);
void hb_buffer_set_segment_properties (hb_buffer_t *buffer
,const hb_segment_properties_t *props
);
void hb_buffer_set_unicode_funcs (hb_buffer_t *buffer
,hb_unicode_funcs_t *unicode_funcs
);
hb_bool_t hb_buffer_set_user_data (hb_buffer_t *buffer
,hb_user_data_key_t *key
,void *data
,hb_destroy_func_t destroy
,hb_bool_t replace
);
typedef struct { hb_codepoint_t codepoint; hb_mask_t mask; uint32_t cluster; } hb_glyph_info_t;
typedef struct { hb_position_t x_advance; hb_position_t y_advance; hb_position_t x_offset; hb_position_t y_offset; } hb_glyph_position_t;
hb_bool_t hb_segment_properties_equal (const hb_segment_properties_t *a
,const hb_segment_properties_t *b
);
unsigned int hb_segment_properties_hash (const hb_segment_properties_t *p
);