[docs] More buffers documentation
This commit is contained in:
Khaled Hosny
parent
bfdf684f79
commit
9ab9f974d4
@ -56,8 +56,8 @@ hb_buffer_get_cluster_level
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hb_buffer_set_length
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hb_buffer_get_length
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hb_buffer_set_segment_properties
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hb_buffer_guess_segment_properties
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hb_buffer_get_segment_properties
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hb_buffer_guess_segment_properties
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hb_buffer_set_unicode_funcs
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hb_buffer_get_unicode_funcs
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hb_buffer_set_user_data
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@ -84,9 +84,9 @@ hb_glyph_position_t
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hb_buffer_content_type_t
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hb_buffer_flags_t
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hb_buffer_cluster_level_t
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hb_buffer_serialize_flags_t
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hb_segment_properties_t
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hb_buffer_serialize_format_t
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hb_buffer_serialize_flags_t
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hb_buffer_message_func_t
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</SECTION>
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@ -36,11 +36,12 @@ static const char *serialize_formats[] = {
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/**
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* hb_buffer_serialize_list_formats:
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*
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*
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* Returns a list of supported buffer serialization formats.
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*
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* Return value: (transfer none):
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* A string array of buffer serialization formats. Should not be freed.
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*
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* Since: 0.9.2
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* Since: 0.9.7
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**/
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const char **
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hb_buffer_serialize_list_formats (void)
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@ -50,14 +51,17 @@ hb_buffer_serialize_list_formats (void)
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/**
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* hb_buffer_serialize_format_from_string:
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* @str:
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* @len:
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*
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* @str: (array length=len) (element-type uint8_t): a string to parse
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* @len: length of @str, or -1 if string is %NULL terminated
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*
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* Parses a string into an #hb_buffer_serialize_format_t. Does not check if
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* @str is a valid buffer serialization format, use
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* hb_buffer_serialize_list_formats() to get the list of supported formats.
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*
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* Return value:
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* The parsed #hb_buffer_serialize_format_t.
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*
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* Since: 0.9.2
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* Since: 0.9.7
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**/
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hb_buffer_serialize_format_t
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hb_buffer_serialize_format_from_string (const char *str, int len)
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@ -68,13 +72,15 @@ hb_buffer_serialize_format_from_string (const char *str, int len)
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/**
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* hb_buffer_serialize_format_to_string:
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* @format:
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* @format: an #hb_buffer_serialize_format_t to convert.
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*
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* Converts @format to the string corresponding it, or %NULL if it is not a valid
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* #hb_buffer_serialize_format_t.
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*
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* Return value: (transfer none):
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* A %NULL terminated string corresponding to @format. Should not be freed.
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*
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* Return value:
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*
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* Since: 0.9.2
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* Since: 0.9.7
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**/
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const char *
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hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format)
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@ -242,24 +248,51 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
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return end - start;
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}
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/* Returns number of items, starting at start, that were serialized. */
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/**
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* hb_buffer_serialize_glyphs:
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* @buffer: a buffer.
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* @start:
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* @end:
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* @buf: (array length=buf_size):
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* @buf_size:
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* @buf_consumed: (out):
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* @font:
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* @format:
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* @flags:
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* @buffer: an #hb_buffer_t buffer.
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* @start: the first item in @buffer to serialize.
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* @end: the last item in @buffer to serialize.
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* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
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* write serialized buffer into.
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* @buf_size: the size of @buf.
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* @buf_consumed: (out) (allow-none): if not %NULL, will be set to the number of byes written into @buf.
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* @font: (allow-none): the #hb_font_t used to shape this buffer, needed to
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* read glyph names and extents. If %NULL, and empty font will be used.
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* @format: the #hb_buffer_serialize_format_t to use for formatting the output.
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* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
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* to serialize.
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*
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* Serializes @buffer into a textual representation of its glyph content,
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* useful for showing the contents of the buffer, for example during debugging.
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* There are currently two supported serialization formats:
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*
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* ## text
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* A human-readable, plain text format.
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* The serialized glyphs will look something like:
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*
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* ```
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* [uni0651=0@518,0+0|uni0628=0+1897]
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* ```
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* - The serialized glyphs are delimited with `[` and `]`.
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* - Glyphs are separated with `|`
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* - Each glyph starts with glyph name, or glyph index if
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* #HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES flag is set. Then,
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* - If #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set, `=` then #hb_glyph_info_t.cluster.
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* - If #HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS is not set, the #hb_glyph_position_t in the format:
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* - If both #hb_glyph_position_t.x_offset and #hb_glyph_position_t.y_offset are not 0, `@x_offset,y_offset`. Then,
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* - `+x_advance`, then `,y_advance` if #hb_glyph_position_t.y_advance is not 0. Then,
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* - If #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set, the
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* #hb_glyph_extents_t in the format
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* `<x_bearing,y_bearing,width,height>`
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*
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* ## json
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* TODO.
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*
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* Return value:
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* The number of serialized items.
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*
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* Since: 0.9.2
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* Since: 0.9.7
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**/
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unsigned int
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hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
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@ -267,8 +300,8 @@ hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
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unsigned int end,
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char *buf,
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unsigned int buf_size,
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unsigned int *buf_consumed, /* May be NULL */
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hb_font_t *font, /* May be NULL */
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unsigned int *buf_consumed,
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hb_font_t *font,
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hb_buffer_serialize_format_t format,
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hb_buffer_serialize_flags_t flags)
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{
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@ -358,7 +391,7 @@ parse_int (const char *pp, const char *end, int32_t *pv)
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/**
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* hb_buffer_deserialize_glyphs:
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* @buffer: a buffer.
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* @buffer: an #hb_buffer_t buffer.
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* @buf: (array length=buf_len):
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* @buf_len:
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* @end_ptr: (out):
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@ -369,7 +402,7 @@ parse_int (const char *pp, const char *end, int32_t *pv)
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*
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* Return value:
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*
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* Since: 0.9.2
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* Since: 0.9.7
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**/
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hb_bool_t
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hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
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@ -47,6 +47,13 @@
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/**
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* hb_segment_properties_equal:
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* @a: first #hb_segment_properties_t to compare.
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* @b: second #hb_segment_properties_t to compare.
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*
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* Checks the equality of two #hb_segment_properties_t's.
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*
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* Return value: (transfer full):
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* %true if all properties of @a equal those of @b, false otherwise.
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*
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* Since: 0.9.7
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**/
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@ -64,6 +71,12 @@ hb_segment_properties_equal (const hb_segment_properties_t *a,
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/**
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* hb_segment_properties_hash:
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* @p: #hb_segment_properties_t to hash.
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*
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* Creates a hash representing @p.
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*
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* Return value:
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* A hash of @p.
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*
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* Since: 0.9.7
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**/
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@ -1075,9 +1088,11 @@ hb_buffer_get_language (hb_buffer_t *buffer)
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/**
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* hb_buffer_set_segment_properties:
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* @buffer: an #hb_buffer_t.
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* @props:
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*
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* @props: an #hb_segment_properties_t to use.
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*
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* Sets the segment properties of the buffer, a shortcut for calling
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* hb_buffer_set_direction(), hb_buffer_set_script() and
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* hb_buffer_set_language() individually.
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*
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* Since: 0.9.7
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**/
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@ -1094,9 +1109,9 @@ hb_buffer_set_segment_properties (hb_buffer_t *buffer,
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/**
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* hb_buffer_get_segment_properties:
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* @buffer: an #hb_buffer_t.
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* @props: (out):
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*
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* @props: (out): the output #hb_segment_properties_t.
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*
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* Sets @props to the #hb_segment_properties_t of @buffer.
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*
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* Since: 0.9.7
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**/
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@ -1183,9 +1198,12 @@ hb_buffer_get_cluster_level (hb_buffer_t *buffer)
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/**
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* hb_buffer_set_replacement_codepoint:
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* @buffer: an #hb_buffer_t.
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* @replacement:
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* @replacement: the replacement #hb_codepoint_t
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*
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* Sets the #hb_codepoint_t that replaces invalid entries for a given encoding
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* when adding text to @buffer.
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*
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* Default is %HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT.
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*
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* Since: 0.9.31
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**/
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@ -1203,9 +1221,10 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer,
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* hb_buffer_get_replacement_codepoint:
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* @buffer: an #hb_buffer_t.
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*
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*
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* See hb_buffer_set_replacement_codepoint().
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*
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* Return value:
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* The @buffer replacement #hb_codepoint_t.
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*
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* Since: 0.9.31
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**/
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@ -1220,8 +1239,8 @@ hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer)
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* hb_buffer_reset:
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* @buffer: an #hb_buffer_t.
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*
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* Resets the buffer to its initial status, just like new buffers returned from
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* hb_buffer_create().
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* Resets the buffer to its initial status, as if it was just newly created
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* with hb_buffer_create().
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*
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* Since: 0.9.2
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**/
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@ -1235,7 +1254,8 @@ hb_buffer_reset (hb_buffer_t *buffer)
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* hb_buffer_clear_contents:
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* @buffer: an #hb_buffer_t.
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*
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* Clears the contents of the buffer without resetting other properties.
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* Similar to hb_buffer_reset(), but does not clear the Unicode functions and
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* the replacement code point.
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*
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* Since: 0.9.11
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**/
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@ -1253,7 +1273,7 @@ hb_buffer_clear_contents (hb_buffer_t *buffer)
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* Pre allocates memory for @buffer to fit at least @size number of items.
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*
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* Return value:
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* %true if the memory pre allocation succeeded, %false otherwise.
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* %true if @buffer memory allocation succeeded, %false otherwise.
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*
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* Since: 0.9.2
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**/
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@ -1270,7 +1290,7 @@ hb_buffer_pre_allocate (hb_buffer_t *buffer, unsigned int size)
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* Check if allocating memory for the buffer succeeded.
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*
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* Return value:
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* %true if memory allocation succeeded, %false otherwise.
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* %true if @buffer memory allocation succeeded, %false otherwise.
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*
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* Since: 0.9.2
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**/
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@ -1292,6 +1312,9 @@ hb_buffer_allocation_successful (hb_buffer_t *buffer)
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* character in the input text stream and are output in
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* #hb_glyph_info_t.cluster field.
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*
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* This function does not check the validity of @codepoint, it is up to the
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* caller to ensure it is a valid Unicode code point.
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*
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* Since: 0.9.7
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**/
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void
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@ -1306,11 +1329,13 @@ hb_buffer_add (hb_buffer_t *buffer,
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/**
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* hb_buffer_set_length:
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* @buffer: an #hb_buffer_t.
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* @length:
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*
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* @length: the new length of @buffer.
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*
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* Similar to hb_buffer_pre_allocate(), but clears any new items added at the
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* end.
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*
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* Return value:
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* %true if @buffer memory allocation succeeded, %false otherwise.
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*
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* Since: 0.9.2
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**/
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@ -1351,6 +1376,7 @@ hb_buffer_set_length (hb_buffer_t *buffer,
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*
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* Return value:
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* The @buffer length.
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* The value valid as long as buffer has not been modified.
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*
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* Since: 0.9.2
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**/
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@ -1370,6 +1396,7 @@ hb_buffer_get_length (hb_buffer_t *buffer)
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*
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* Return value: (transfer none) (array length=length):
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* The @buffer glyph information array.
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* The value valid as long as buffer has not been modified.
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*
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* Since: 0.9.2
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**/
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@ -1393,6 +1420,7 @@ hb_buffer_get_glyph_infos (hb_buffer_t *buffer,
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*
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* Return value: (transfer none) (array length=length):
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* The @buffer glyph position array.
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* The value valid as long as buffer has not been modified.
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*
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* Since: 0.9.2
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**/
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@ -1558,7 +1586,8 @@ hb_buffer_add_utf (hb_buffer_t *buffer,
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/**
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* hb_buffer_add_utf8:
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* @buffer: an #hb_buffer_t.
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* @text: (array length=text_length): an array of UTF-8 characters to append.
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* @text: (array length=text_length) (element-type uint8_t): an array of UTF-8
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* characters to append.
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* @text_length: the length of the @text, or -1 if it is %NULL terminated.
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* @item_offset: the offset of the first character to add to the @buffer.
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* @item_length: the number of characters to add to the @buffer, or -1 for the
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@ -1566,6 +1595,9 @@ hb_buffer_add_utf (hb_buffer_t *buffer,
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*
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* See hb_buffer_add_codepoints().
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*
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* Replaces invalid UTF-8 characters with the @buffer replacement code point,
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* see hb_buffer_set_replacement_codepoint().
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*
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* Since: 0.9.2
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**/
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void
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@ -1589,6 +1621,9 @@ hb_buffer_add_utf8 (hb_buffer_t *buffer,
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*
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* See hb_buffer_add_codepoints().
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*
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* Replaces invalid UTF-16 characters with the @buffer replacement code point,
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* see hb_buffer_set_replacement_codepoint().
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*
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* Since: 0.9.2
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**/
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void
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@ -1612,6 +1647,9 @@ hb_buffer_add_utf16 (hb_buffer_t *buffer,
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*
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* See hb_buffer_add_codepoints().
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*
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* Replaces invalid UTF-32 characters with the @buffer replacement code point,
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* see hb_buffer_set_replacement_codepoint().
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*
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* Since: 0.9.2
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**/
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void
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@ -1627,12 +1665,17 @@ hb_buffer_add_utf32 (hb_buffer_t *buffer,
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/**
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* hb_buffer_add_latin1:
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* @buffer: an #hb_buffer_t.
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* @text: (array length=text_length) (element-type uint8_t):
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* @text_length:
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* @item_offset:
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* @item_length:
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* @text: (array length=text_length) (element-type uint8_t): an array of UTF-8
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* characters to append.
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* @text_length: the length of the @text, or -1 if it is %NULL terminated.
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* @item_offset: the offset of the first character to add to the @buffer.
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* @item_length: the number of characters to add to the @buffer, or -1 for the
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* end of @text (assuming it is %NULL terminated).
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*
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* Similar to hb_buffer_add_codepoints(), but allows only access to first 256
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* Unicode code points that can fit in 8-bit strings.
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*
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* <note>Has nothing to do with non-Unicode Latin-1 encoding.</note>
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*
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* Since: 0.9.39
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**/
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@ -1665,6 +1708,9 @@ hb_buffer_add_latin1 (hb_buffer_t *buffer,
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* for example, to do cross-run Arabic shaping or properly handle combining
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* marks at stat of run.
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*
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* This function does not check the validity of @text, it is up to the caller
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* to ensure it contains a valid Unicode code points.
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*
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* Since: 0.9.31
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**/
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void
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@ -1737,7 +1783,10 @@ normalize_glyphs_cluster (hb_buffer_t *buffer,
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* hb_buffer_normalize_glyphs:
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* @buffer: an #hb_buffer_t.
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*
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* Reorders a glyph buffer to have canonical in-cluster glyph order / position.
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* The resulting clusters should behave identical to pre-reordering clusters.
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*
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* <note>This has nothing to do with Unicode normalization.</note>
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*
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* Since: 0.9.2
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**/
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@ -58,7 +58,7 @@ HB_BEGIN_DECLS
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* hb_buffer_set_cluster_level() allow selecting more fine-grained
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* cluster handling.
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*
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* The #hb_glyph_info_t is the structure that holds informations about the
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* The #hb_glyph_info_t is the structure that holds information about the
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* glyphs and their relation to input text.
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*
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*/
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@ -98,7 +98,16 @@ typedef struct hb_glyph_position_t {
|
||||
hb_var_int_t var;
|
||||
} hb_glyph_position_t;
|
||||
|
||||
|
||||
/**
|
||||
* hb_segment_properties_t:
|
||||
* @direction: the #hb_direction_t of the buffer, see hb_buffer_set_direction().
|
||||
* @script: the #hb_script_t of the buffer, see hb_buffer_set_script().
|
||||
* @language: the #hb_language_t of the buffer, see hb_buffer_set_language().
|
||||
*
|
||||
* The structure that holds various text properties of an #hb_buffer_t. Can be
|
||||
* set and retrieved using hb_buffer_set_segment_properties() and
|
||||
* hb_buffer_get_segment_properties(), respectively.
|
||||
*/
|
||||
typedef struct hb_segment_properties_t {
|
||||
hb_direction_t direction;
|
||||
hb_script_t script;
|
||||
@ -123,8 +132,11 @@ hb_segment_properties_hash (const hb_segment_properties_t *p);
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* hb_buffer_t
|
||||
/**
|
||||
* hb_buffer_t:
|
||||
*
|
||||
* The main structure holding the input text and its properties before shaping,
|
||||
* and output glyphs and their information after shaping.
|
||||
*/
|
||||
|
||||
typedef struct hb_buffer_t hb_buffer_t;
|
||||
@ -262,10 +274,16 @@ hb_buffer_set_cluster_level (hb_buffer_t *buffer,
|
||||
HB_EXTERN hb_buffer_cluster_level_t
|
||||
hb_buffer_get_cluster_level (hb_buffer_t *buffer);
|
||||
|
||||
/**
|
||||
* HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT:
|
||||
*
|
||||
* The default code point for replacing invalid characters in a given encoding.
|
||||
* Set to U+FFFD REPLACEMENT CHARACTER.
|
||||
*
|
||||
* Since: 0.9.31
|
||||
*/
|
||||
#define HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT 0xFFFDu
|
||||
|
||||
/* Sets codepoint used to replace invalid UTF-8/16/32 entries.
|
||||
* Default is 0xFFFDu. */
|
||||
HB_EXTERN void
|
||||
hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer,
|
||||
hb_codepoint_t replacement);
|
||||
@ -274,22 +292,17 @@ HB_EXTERN hb_codepoint_t
|
||||
hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer);
|
||||
|
||||
|
||||
/* Resets the buffer. Afterwards it's as if it was just created,
|
||||
* except that it has a larger buffer allocated perhaps... */
|
||||
HB_EXTERN void
|
||||
hb_buffer_reset (hb_buffer_t *buffer);
|
||||
|
||||
/* Like reset, but does NOT clear unicode_funcs and replacement_codepoint. */
|
||||
HB_EXTERN void
|
||||
hb_buffer_clear_contents (hb_buffer_t *buffer);
|
||||
|
||||
/* Returns false if allocation failed */
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_buffer_pre_allocate (hb_buffer_t *buffer,
|
||||
unsigned int size);
|
||||
|
||||
|
||||
/* Returns false if allocation has failed before */
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_buffer_allocation_successful (hb_buffer_t *buffer);
|
||||
|
||||
@ -332,7 +345,6 @@ hb_buffer_add_utf32 (hb_buffer_t *buffer,
|
||||
unsigned int item_offset,
|
||||
int item_length);
|
||||
|
||||
/* Allows only access to first 256 Unicode codepoints. */
|
||||
HB_EXTERN void
|
||||
hb_buffer_add_latin1 (hb_buffer_t *buffer,
|
||||
const uint8_t *text,
|
||||
@ -340,7 +352,6 @@ hb_buffer_add_latin1 (hb_buffer_t *buffer,
|
||||
unsigned int item_offset,
|
||||
int item_length);
|
||||
|
||||
/* Like add_utf32 but does NOT check for invalid Unicode codepoints. */
|
||||
HB_EXTERN void
|
||||
hb_buffer_add_codepoints (hb_buffer_t *buffer,
|
||||
const hb_codepoint_t *text,
|
||||
@ -349,31 +360,24 @@ hb_buffer_add_codepoints (hb_buffer_t *buffer,
|
||||
int item_length);
|
||||
|
||||
|
||||
/* Clears any new items added at the end */
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_buffer_set_length (hb_buffer_t *buffer,
|
||||
unsigned int length);
|
||||
|
||||
/* Return value valid as long as buffer not modified */
|
||||
HB_EXTERN unsigned int
|
||||
hb_buffer_get_length (hb_buffer_t *buffer);
|
||||
|
||||
/* Getting glyphs out of the buffer */
|
||||
|
||||
/* Return value valid as long as buffer not modified */
|
||||
HB_EXTERN hb_glyph_info_t *
|
||||
hb_buffer_get_glyph_infos (hb_buffer_t *buffer,
|
||||
unsigned int *length);
|
||||
|
||||
/* Return value valid as long as buffer not modified */
|
||||
HB_EXTERN hb_glyph_position_t *
|
||||
hb_buffer_get_glyph_positions (hb_buffer_t *buffer,
|
||||
unsigned int *length);
|
||||
|
||||
|
||||
/* Reorders a glyph buffer to have canonical in-cluster glyph order / position.
|
||||
* The resulting clusters should behave identical to pre-reordering clusters.
|
||||
* NOTE: This has nothing to do with Unicode normalization. */
|
||||
HB_EXTERN void
|
||||
hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
|
||||
|
||||
@ -382,7 +386,16 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
|
||||
* Serialize
|
||||
*/
|
||||
|
||||
/*
|
||||
/**
|
||||
* hb_buffer_serialize_flags_t:
|
||||
* @HB_BUFFER_SERIALIZE_FLAG_DEFAULT: serialize glyph names, clusters and positions.
|
||||
* @HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS: do not serialize glyph cluster.
|
||||
* @HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS: do not serialize glyph position information.
|
||||
* @HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES: do no serialize glyph name.
|
||||
* @HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS: serialize glyph extents.
|
||||
*
|
||||
* Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs().
|
||||
*
|
||||
* Since: 0.9.20
|
||||
*/
|
||||
typedef enum { /*< flags >*/
|
||||
@ -393,13 +406,23 @@ typedef enum { /*< flags >*/
|
||||
HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS = 0x00000008u
|
||||
} hb_buffer_serialize_flags_t;
|
||||
|
||||
/**
|
||||
* hb_buffer_serialize_format_t:
|
||||
* @HB_BUFFER_SERIALIZE_FORMAT_TEXT: a human-readable, plain text format.
|
||||
* @HB_BUFFER_SERIALIZE_FORMAT_JSON: a machine-readable JSON format.
|
||||
* @HB_BUFFER_SERIALIZE_FORMAT_INVALID: invalid format.
|
||||
*
|
||||
* The buffer serialization and de-serialization format used in
|
||||
* hb_buffer_serialize_glyphs() and hb_buffer_deserialize_glyphs().
|
||||
*
|
||||
* Since: 0.9.2
|
||||
*/
|
||||
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;
|
||||
|
||||
/* len=-1 means str is NUL-terminated. */
|
||||
HB_EXTERN hb_buffer_serialize_format_t
|
||||
hb_buffer_serialize_format_from_string (const char *str, int len);
|
||||
|
||||
@ -409,24 +432,23 @@ hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format);
|
||||
HB_EXTERN const char **
|
||||
hb_buffer_serialize_list_formats (void);
|
||||
|
||||
/* Returns number of items, starting at start, that were serialized. */
|
||||
HB_EXTERN 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, /* May be NULL */
|
||||
hb_font_t *font, /* May be NULL */
|
||||
unsigned int *buf_consumed,
|
||||
hb_font_t *font,
|
||||
hb_buffer_serialize_format_t format,
|
||||
hb_buffer_serialize_flags_t flags);
|
||||
|
||||
HB_EXTERN hb_bool_t
|
||||
hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
|
||||
const char *buf,
|
||||
int buf_len, /* -1 means nul-terminated */
|
||||
const char **end_ptr, /* May be NULL */
|
||||
hb_font_t *font, /* May be NULL */
|
||||
int buf_len,
|
||||
const char **end_ptr,
|
||||
hb_font_t *font,
|
||||
hb_buffer_serialize_format_t format);
|
||||
|
||||
|
||||
|
||||
@ -210,13 +210,15 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
|
||||
/**
|
||||
* hb_feature_from_string:
|
||||
* @str: (array length=len) (element-type uint8_t): a string to parse
|
||||
* @len: length of @str, or -1 if string is nul-terminated
|
||||
* @len: length of @str, or -1 if string is %NULL terminated
|
||||
* @feature: (out): the #hb_feature_t to initialize with the parsed values
|
||||
*
|
||||
* Parses a string into a #hb_feature_t. If @len is -1 then @str is
|
||||
* %NULL-terminated.
|
||||
* Parses a string into a #hb_feature_t.
|
||||
*
|
||||
* Return value: %TRUE if @str is successfully parsed, %FALSE otherwise
|
||||
* TODO: document the syntax here.
|
||||
*
|
||||
* Return value:
|
||||
* %true if @str is successfully parsed, %false otherwise.
|
||||
*
|
||||
* Since: 0.9.5
|
||||
**/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user