Module `harfbuzz`

Lua bindings to Harfbuzz.

Info:

Copyright: 2016
License: MIT
Author: Deepak Jois <deepak.jois@gmail.com>

Functions

version ()	Wraps `hb_version`
shape (font, buffer[, options])	Wraps `hb_shape`.

Class Blob

Blob.new (data)	Wraps `hb_blob_create`.
Blob.new_from_file (filename)	Wraps `hb_blob_create_from_file`.
Blob:get_length ()	Wraps `hb_blob_get_length`.
Blob:get_data ()	Wraps `hb_blob_get_data`.

Class Face

Face.new_from_blob (blob[, font_index=0])	Wraps `hb_face_create`.
Face.new (file[, font_index=0])	Create a new `Face` from a file.
Face:collect_unicodes ()	Wraps `hb_face_collect_unicodes`.
Face:get_glyph_count ()	Wraps `hb_face_get_glyph_count`.
Face:get_table (tag)	Wraps `hb_face_reference_table`.
Face:get_table_tags ()	Wraps `hb_face_get_table_tags`.
Face:get_upem ()	Wraps `hb_face_get_upem`.
Face:ot_color_has_palettes ()	Wraps `hb_ot_color_has_palettes`.
Face:ot_color_palette_get_count ()	Wraps `hb_ot_color_palette_get_count`.
Face:ot_color_palette_get_colors ()	Wraps `hb_ot_color_palette_get_colors`.
Face:ot_color_has_layers ()	Wraps `hb_ot_color_has_layers`.
Face:ot_color_glyph_get_layers ()	Wraps `hb_ot_color_glyph_get_layers`.
Face:ot_color_has_png ()	Wraps `hb_ot_color_has_png`.
Face:ot_layout_get_script_tags ()	Wraps `hb_ot_layout_table_get_script_tags`.
Face:ot_layout_get_language_tags ()	Wraps `hb_ot_layout_script_get_language_tags`.
Face:ot_layout_get_feature_tags ()	Wraps `hb_ot_layout_language_get_feature_tags`.
Face:ot_layout_find_script ()	Wraps `hb_ot_layout_table_find_script`.
Face:ot_layout_find_language ()	Wraps `hb_ot_layout_script_find_language`.
Face:ot_layout_find_feature ()	Wraps `hb_ot_layout_language_find_feature`.

Class Font

Font.new (face)	Wraps `hb_font_create`, and sets up some defaults for scale and shaping functions.
Font:get_scale ()	Wraps `hb_font_get_scale`.
Font:set_scale (x_scale, y_scale)	Wraps `hb_font_set_scale`.
Font:get_h_extents ()	Wraps `hb_font_get_h_extents`.
Font:get_v_extents ()	Wraps `hb_font_get_v_extents`.
Font:get_glyph_extents (glyph)	Wraps `hb_font_get_glyph_extents`.
Font:get_glyph_name (glyph)	Wraps `hb_font_get_glyph_name`.
Font:get_glyph_from_name (name)	Wraps `hb_font_get_glyph_from_name`.
Font:get_glyph_h_advance (glyph)	Wraps `hb_font_get_glyph_h_advance`.
Font:get_glyph_v_advance (glyph)	Wraps `hb_font_get_glyph_v_advance`.
Font:get_nominal_glyph (codepoint.)	Wraps `hb_font_get_nominal_glyph`.
Font:ot_color_glyph_get_png ()	Wraps `hb_ot_color_glyph_get_png`.

Class Buffer

Buffer.new ()	Wraps `hb_buffer_create`.
Buffer:add_utf8 (text[, item_offset=0[, item_length=-1]])	Wraps `hb_buffer_add_utf8`.
Buffer:add_codepoints (text[, item_offset=0[, item_length=-1]])	Wraps `hb_buffer_add_codepoints`.
Buffer:set_direction (dir)	Wraps `hb_buffer_set_direction`.
Buffer:get_direction ()	Wraps `hb_buffer_get_direction`.
Buffer:set_script (script)	Wraps `hb_buffer_set_script`.
Buffer:get_script ()	Wraps `hb_buffer_get_script`.
Buffer:set_language (lang)	Wraps `hb_buffer_set_language`.
Buffer:get_language ()	Wraps `hb_buffer_get_language`.
Buffer:reverse ()	Wraps `hb_buffer_reverse`.
Buffer:get_length ()	Wraps `hb_buffer_get_length`.
Buffer:get_cluster_level ()	Wraps `hb_buffer_get_cluster_level`.
Buffer:set_cluster_level (level)	Wraps `hb_buffer_set_cluster_level`.
Buffer:guess_segment_properties ()	Wraps `hb_buffer_guess_segment_properties`.
Buffer:get_glyphs ()	Helper method to get shaped glyph data.

Cluster Levels

Buffer.CLUSTER_LEVEL_MONOTONE_GRAPHEMES	Wraps `HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES`.
Buffer.CLUSTER_LEVEL_MONOTONE_CHARACTERS	Wraps `HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS`.
Buffer.CLUSTER_LEVEL_CHARACTERS	Wraps `HB_BUFFER_CLUSTER_LEVEL_CHARACTERS`.
Buffer.CLUSTER_LEVEL_DEFAULT	Wraps `HB_BUFFER_CLUSTER_LEVEL_DEFAULT`.
Buffer.GLYPH_FLAG_UNSAFE_TO_BREAK	Wraps `HB_GLYPH_FLAG_UNSAFE_TO_BREAK`.
Buffer.GLYPH_FLAG_DEFINED	Wraps `HB_GLYPH_FLAG_DEFINED`.

Class Feature

Feature.new (feature_string)	Wraps `hb_feature_from_string`
Feature:__tostring ()	Wraps `hb_feature_to_string`.

Class Tag

Tag.new (string)	Wraps `hb_tag_from_string`.
Tag:__to_string ()	Wraps `hb_tag_to_string`.
Tag:__eq ()	Enables equality comparisions with `==` between two tags.

Class Script

Script.new (script)	Wraps `hb_script_from_string`.
Script.from_iso15924_tag (tag)	Wraps `hb_script_from_iso15924_tag`
Script:to_iso15924_tag ()	Wraps `hb_script_to_iso15924_tag`.
Script:__to_string ()	Enable nice output with `tostring(…)`
Script:__eq ()	Enables equality comparisions with `==` between two scripts.

Predefined Script Codes

Script.COMMON	Wraps `HB_SCRIPT_COMMON`.
Script.INHERITED	Wraps `HB_SCRIPT_INHERITED`.
Script.UNKNOWN	Wraps `HB_SCRIPT_UNKNOWN`.
Script.INVALID	Wraps `HB_SCRIPT_INVALID`.

Class Direction

Direction.new (dir)	Wraps `hb_direction_from_string`.
Direction:__to_string ()	Wraps `hb_direction_to_string`.
Direction:__eq ()	Enables equality comparisions with `==` between two directions.
Direction:is_valid ()	Wraps `HB_DIRECTION_IS_VALID`.
Direction:is_horizontal ()	Wraps `HB_DIRECTION_IS_HORIZONTAL`.
Direction:is_vertical ()	Wraps `HB_DIRECTION_IS_VERTICAL`.
Direction:is_forward ()	Wraps `HB_DIRECTION_IS_FORWARD`.
Direction:is_backward ()	Wraps `HB_DIRECTION_IS_BACKWARD`.

Predefined directions

Direction.LTR	Wraps `HB_DIRECTION_LTR`.
Direction.RTL	Wraps `HB_DIRECTION_RTL`.
Direction.TTB	Wraps `HB_DIRECTION_TTB`.
Direction.BTT	Wraps `HB_DIRECTION_LTR`.

Class Language

Language.new (lang)	Wraps `hb_language_from_string`.
Language:__to_string ()	Wraps `hb_language_to_string`.
Language:__eq ()	Enables equality comparisions with `==` between two languages.

Predefined languages

Language.INVALID Wraps HB_LANGUAGE_INVALID.

Unicode functions

unicode.script (char) Wraps hb_unicode_script

Predefined Name IDs

ot.NAME_ID_COPYRIGHT	Wraps `HB_OT_NAME_ID_COPYRIGHT`
ot.NAME_ID_FONT_FAMILY	Wraps `HB_OT_NAME_ID_FONT_FAMILY`
ot.NAME_ID_FONT_SUBFAMILY	Wraps `HB_OT_NAME_ID_FONT_SUBFAMILY`
ot.NAME_ID_UNIQUE_ID	Wraps `HB_OT_NAME_ID_UNIQUE_ID`
ot.NAME_ID_FULL_NAME	Wraps `HB_OT_NAME_ID_FULL_NAME`
ot.NAME_ID_VERSION_STRING	Wraps `HB_OT_NAME_ID_VERSION_STRING`
ot.NAME_ID_POSTSCRIPT_NAME	Wraps `HB_OT_NAME_ID_POSTSCRIPT_NAME`
ot.NAME_ID_TRADEMARK	Wraps `HB_OT_NAME_ID_TRADEMARK`
ot.NAME_ID_MANUFACTURER	Wraps `HB_OT_NAME_ID_MANUFACTURER`
ot.NAME_ID_DESIGNER	Wraps `HB_OT_NAME_ID_DESIGNER`
ot.NAME_ID_DESCRIPTION	Wraps `HB_OT_NAME_ID_DESCRIPTION`
ot.NAME_ID_VENDOR_URL	Wraps `HB_OT_NAME_ID_VENDOR_URL`
ot.NAME_ID_DESIGNER_URL	Wraps `HB_OT_NAME_ID_DESIGNER_URL`
ot.NAME_ID_LICENSE	Wraps `HB_OT_NAME_ID_LICENSE`
ot.NAME_ID_LICENSE_URL	Wraps `HB_OT_NAME_ID_LICENSE_URL`
ot.NAME_ID_TYPOGRAPHIC_FAMILY	Wraps `HB_OT_NAME_ID_TYPOGRAPHIC_FAMILY`
ot.NAME_ID_TYPOGRAPHIC_SUBFAMILY	Wraps `HB_OT_NAME_ID_TYPOGRAPHIC_SUBFAMILY`
ot.NAME_ID_MAC_FULL_NAME	Wraps `HB_OT_NAME_ID_MAC_FULL_NAME`
ot.NAME_ID_SAMPLE_TEXT	Wraps `HB_OT_NAME_ID_SAMPLE_TEXT`
ot.NAME_ID_CID_FINDFONT_NAME	Wraps `HB_OT_NAME_ID_CID_FINDFONT_NAME`
ot.NAME_ID_WWS_FAMILY	Wraps `HB_OT_NAME_ID_WWS_FAMILY`
ot.NAME_ID_WWS_SUBFAMILY	Wraps `HB_OT_NAME_ID_WWS_SUBFAMILY`
ot.NAME_ID_LIGHT_BACKGROUND	Wraps `HB_OT_NAME_ID_LIGHT_BACKGROUND`
ot.NAME_ID_DARK_BACKGROUND	Wraps `HB_OT_NAME_ID_DARK_BACKGROUND`
ot.NAME_ID_VARIATIONS_PS_PREFIX	Wraps `HB_OT_NAME_ID_VARIATIONS_PS_PREFIX`
ot.NAME_ID_INVALID	Wraps `HB_OT_NAME_ID_INVALID`
ot.LAYOUT_NO_SCRIPT_INDEX	Wraps `HB_OT_LAYOUT_NO_SCRIPT_INDEX`
ot.LAYOUT_NO_FEATURE_INDEX	Wraps `HB_OT_LAYOUT_NO_FEATURE_INDEX`
ot.LAYOUT_DEFAULT_LANGUAGE_INDEX	Wraps `HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX`
ot.LAYOUT_NO_VARIATIONS_INDEX	Wraps `HB_OT_LAYOUT_NO_VARIATIONS_INDEX`

Functions

version ()

Wraps hb_version

shape (font, buffer[, options])

Wraps hb_shape.

Parameters:

font Font to use for shaping
buffer Buffer to shape
options
table containing one or more supported options:
- direction: A Direction object representing the object.
- script: A Script object representing the script.
- language: A Language object representing the language.
- features: features to enable, specified as either of the following.
  - comma-separated list of features. See feature string syntax reference
  - table of Feature objects
(optional)

Class Blob

Lua wrapper for hb_blob_t type

Blob.new (data)

Wraps hb_blob_create. Initializes a new hb_blob_t.

Parameters:

data lua string containing binary or character data.

Blob.new_from_file (filename)

Wraps hb_blob_create_from_file. Initializes a new hb_blob_t.

Parameters:

filename lua string.

Blob:get_length ()

Wraps hb_blob_get_length.

Blob:get_data ()

Wraps hb_blob_get_data.

Class Face

Lua wrapper for hb_face_t type

Face.new_from_blob (blob[, font_index=0])

Wraps hb_face_create. Initializes a new hb_face_t from a Blob object.

Parameters:

blob Blob to read the font from.
font_index index of font to read. (default 0)

Face.new (file[, font_index=0])

Create a new Face from a file. Makes a call to Face:new_from_blob after creating a Blob from the file contents.

Parameters:

file path to font file.
font_index index of font to read. (default 0)

Face:collect_unicodes ()

Wraps hb_face_collect_unicodes.

Returns:

table of codepoints supported by the face.

Face:get_glyph_count ()

Wraps hb_face_get_glyph_count.

Face:get_table (tag)

Wraps hb_face_reference_table.

Parameters:

tag Tag object of the table.

Returns:

Blob

tag

Face:get_table_tags ()

Wraps hb_face_get_table_tags.

Returns:

Tag

Face:get_upem ()

Wraps hb_face_get_upem.

Face:ot_color_has_palettes ()

Wraps hb_ot_color_has_palettes.

Face:ot_color_palette_get_count ()

Wraps hb_ot_color_palette_get_count.

Face:ot_color_palette_get_colors ()

Wraps hb_ot_color_palette_get_colors.

Face:ot_color_has_layers ()

Wraps hb_ot_color_has_layers.

Face:ot_color_glyph_get_layers ()

Wraps hb_ot_color_glyph_get_layers.

Face:ot_color_has_png ()

Wraps hb_ot_color_has_png.

Face:ot_layout_get_script_tags ()

Wraps hb_ot_layout_table_get_script_tags.

Face:ot_layout_get_language_tags ()

Wraps hb_ot_layout_script_get_language_tags.

Face:ot_layout_get_feature_tags ()

Wraps hb_ot_layout_language_get_feature_tags.

Face:ot_layout_find_script ()

Wraps hb_ot_layout_table_find_script.

Face:ot_layout_find_language ()

Wraps hb_ot_layout_script_find_language.

Face:ot_layout_find_feature ()

Wraps hb_ot_layout_language_find_feature.

Class Font

Lua wrapper for hb_font_t type

Font.new (face)

Wraps hb_font_create, and sets up some defaults for scale and shaping functions. Initializes a new hb_font_t from a Face object. Sets the default scale to the face’s upem value, and sets the font shaping functions by calling hb_ot_font_set_funcs on it.

Parameters:

face Face object.

Font:get_scale ()

Wraps hb_font_get_scale.

Returns:

two values for the x-scale and y-scale of the font.

Font:set_scale (x_scale, y_scale)

Wraps hb_font_set_scale.

Parameters:

x_scale desired x-scale of font.
y_scale desired y-scale of font.

Font:get_h_extents ()

Wraps hb_font_get_h_extents.

Returns:

font extents table for horizontal direction, contains the following or nil if HarfBuzz fails to load font extents:

ascender: typographic ascender.
descender: typographic descender.
line_gap: line spacing gap.

Font:get_v_extents ()

Wraps hb_font_get_v_extents.

Returns:

Font:get_h_extents

nil

Font:get_glyph_extents (glyph)

Wraps hb_font_get_glyph_extents.

Parameters:

glyph index inside the font.

Returns:

extents table contains the following or nil if HarfBuzz fails to load glyph extents:

x_bearing: left side of glyph from origin.
y_bearing: top side of glyph from origin.
width: distance from left to right side.
height: distance from top to bottom side.

Font:get_glyph_name (glyph)

Wraps hb_font_get_glyph_name.

Parameters:

glyph index inside the font.

Returns:

name of the glyph or nil.

Font:get_glyph_from_name (name)

Wraps hb_font_get_glyph_from_name.

Parameters:

name of the glyph.

Returns:

glyph index inside the font or nil.

Font:get_glyph_h_advance (glyph)

Wraps hb_font_get_glyph_h_advance.

Parameters:

glyph index inside the font.

Returns:

advance glyph advance of the glyph in horizontal direction.

Font:get_glyph_v_advance (glyph)

Wraps hb_font_get_glyph_v_advance.

Parameters:

glyph index inside the font.

Returns:

advance glyph advance of the glyph in vertical direction.

Font:get_nominal_glyph (codepoint.)

Wraps hb_font_get_nominal_glyph.

Parameters:

codepoint.

Returns:

nil

codepoint

Font:ot_color_glyph_get_png ()

Wraps hb_ot_color_glyph_get_png.

Class Buffer

Lua wrapper for hb_buffer_t type.

Buffer.new ()

Wraps hb_buffer_create.

Buffer:add_utf8 (text[, item_offset=0[, item_length=-1]])

Wraps hb_buffer_add_utf8.

Parameters:

text UTF8 encoded string.
item_offset 0-indexed offset in text, from where to start adding. (default 0)
item_length length to add from item_offset. -1 adds till end of text. (default -1)

Buffer:add_codepoints (text[, item_offset=0[, item_length=-1]])

Wraps hb_buffer_add_codepoints.

Parameters:

text table with codepoints as lua numbers.
item_offset 0-indexed offset in text, from where to start adding. (default 0)
item_length length to add from item_offset. -1 adds till end of text. (default -1)

Buffer:set_direction (dir)

Wraps hb_buffer_set_direction.

Parameters:

dir A Direction object.

Buffer:get_direction ()

Wraps hb_buffer_get_direction.

Returns:

Direction

Buffer:set_script (script)

Wraps hb_buffer_set_script.

Parameters:

script A Script object.

Buffer:get_script ()

Wraps hb_buffer_get_script.

Returns:

Script

Buffer:set_language (lang)

Wraps hb_buffer_set_language.

Parameters:

lang A Language object

Buffer:get_language ()

Wraps hb_buffer_get_language.

Returns:

Language

Buffer:reverse ()

Wraps hb_buffer_reverse.

Buffer:get_length ()

Wraps hb_buffer_get_length.

Buffer:get_cluster_level ()

Wraps hb_buffer_get_cluster_level.

Returns:

Cluster Levels

Buffer:set_cluster_level (level)

Wraps hb_buffer_set_cluster_level.

Parameters:

level see Cluster Levels

Buffer:guess_segment_properties ()

Wraps hb_buffer_guess_segment_properties.

Buffer:get_glyphs ()

Helper method to get shaped glyph data. Calls hb_buffer_get_glyph_infos, hb_buffer_get_glyph_positions and hb_glyph_info_get_glyph_flags, and assembles the data into a Lua table.

Returns:

table containing data for each glyph, in a nested table. Each nested table contains the following:

x_advance: horizontal advance.
y_advance: vertical advance.
x_offset: horizontal displacement.
y_offset: vertical displacement.
cluster: glyph cluster index within input.
codepoint: glyph index inside the font (this field name is a bit misleading, but that’s what Harfbuzz uses).
flags: glyph flags

Cluster Levels

See Harfbuzz docs for more details about what each of these levels mean.

Buffer.CLUSTER_LEVEL_MONOTONE_GRAPHEMES: Wraps HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES.
Buffer.CLUSTER_LEVEL_MONOTONE_CHARACTERS: Wraps HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS.
Buffer.CLUSTER_LEVEL_CHARACTERS: Wraps HB_BUFFER_CLUSTER_LEVEL_CHARACTERS.
Buffer.CLUSTER_LEVEL_DEFAULT: Wraps HB_BUFFER_CLUSTER_LEVEL_DEFAULT.
Buffer.GLYPH_FLAG_UNSAFE_TO_BREAK: Wraps HB_GLYPH_FLAG_UNSAFE_TO_BREAK.
Buffer.GLYPH_FLAG_DEFINED: Wraps HB_GLYPH_FLAG_DEFINED.

Class Feature

Lua wrapper for hb_feature_t type

Feature.new (feature_string)

Wraps hb_feature_from_string

Parameters:

feature_string See feature string syntax reference

Feature:__tostring ()

Wraps hb_feature_to_string. Enables nice output with tostring(…).

Class Tag

Lua wrapper for hb_tag_t type.

Tag.new (string)

Wraps hb_tag_from_string.

Parameters:

string to be converted to a Tag object.

Returns:

Tag

Tag:__to_string ()

Wraps hb_tag_to_string. Enable nice output with tostring(…).

Returns:

Returns a string representation for the tag object.

Tag:__eq ()

Enables equality comparisions with == between two tags.

Returns:

true

false

Class Script

Lua wrapper for hb_script_t type.

Script.new (script)

Wraps hb_script_from_string.

Parameters:

script 4-letter script code according to the ISO 15924 standard.

Returns:

Script

Script.from_iso15924_tag (tag)

Wraps hb_script_from_iso15924_tag

Parameters:

tag a Tag object representing a ISO 15924 script.

Script:to_iso15924_tag ()

Wraps hb_script_to_iso15924_tag.

Returns:

Tag

Script:__to_string ()

Enable nice output with tostring(…)

Returns:

ISO 15924 script code

Script:__eq ()

Enables equality comparisions with == between two scripts.

Returns:

true

false

Predefined Script Codes

Predefined directions that correspond to their original definitions in Harfbuzz.

Script.COMMON: Wraps HB_SCRIPT_COMMON.
Script.INHERITED: Wraps HB_SCRIPT_INHERITED.
Script.UNKNOWN: Wraps HB_SCRIPT_UNKNOWN.
Script.INVALID: Wraps HB_SCRIPT_INVALID.

Class Direction

Lua wrapper for hb_direction_t type.

Direction.new (dir)

Wraps hb_direction_from_string.

Parameters:

dir can be one of ltr, rtl, ttb, btt or invalid.

Returns:

Direction

Direction:__to_string ()

Wraps hb_direction_to_string. Enable nice output with tostring(…).

Returns:

Returns a string representation for direction.

Direction:__eq ()

Enables equality comparisions with == between two directions.

Returns:

true

false

Direction:is_valid ()

Wraps HB_DIRECTION_IS_VALID.

Returns:

a boolean value

Direction:is_horizontal ()

Wraps HB_DIRECTION_IS_HORIZONTAL.

Returns:

a boolean value

Direction:is_vertical ()

Wraps HB_DIRECTION_IS_VERTICAL.

Returns:

a boolean value

Direction:is_forward ()

Wraps HB_DIRECTION_IS_FORWARD.

Returns:

a boolean value

Direction:is_backward ()

Wraps HB_DIRECTION_IS_BACKWARD.

Returns:

a boolean value

Predefined directions

Predefined directions that correspond to their original definitions in Harfbuzz.

Direction.LTR: Wraps HB_DIRECTION_LTR.
Direction.RTL: Wraps HB_DIRECTION_RTL.
Direction.TTB: Wraps HB_DIRECTION_TTB.
Direction.BTT: Wraps HB_DIRECTION_LTR.

Class Language

Lua wrapper for hb_language_t type.

Language.new (lang)

Wraps hb_language_from_string.

Parameters:

lang three-letter language tag to be converted to a Language object.

Returns:

Language

Language:__to_string ()

Wraps hb_language_to_string. Enable nice output with tostring(…).

Returns:

Returns a string representation for the language object.

Language:__eq ()

Enables equality comparisions with == between two languages.

Returns:

true

false

Predefined languages

Predefined languages that correspond to their original definitions in Harfbuzz.

Language.INVALID: Wraps HB_LANGUAGE_INVALID.

Unicode functions

unicode.script (char)

Wraps hb_unicode_script

Parameters:

char Unicode codepoint

Returns:

Script

Predefined Name IDs

Predefined OpenType 'name' table name identifier.

ot.NAME_ID_COPYRIGHT: Wraps HB_OT_NAME_ID_COPYRIGHT
ot.NAME_ID_FONT_FAMILY: Wraps HB_OT_NAME_ID_FONT_FAMILY
ot.NAME_ID_FONT_SUBFAMILY: Wraps HB_OT_NAME_ID_FONT_SUBFAMILY
ot.NAME_ID_UNIQUE_ID: Wraps HB_OT_NAME_ID_UNIQUE_ID
ot.NAME_ID_FULL_NAME: Wraps HB_OT_NAME_ID_FULL_NAME
ot.NAME_ID_VERSION_STRING: Wraps HB_OT_NAME_ID_VERSION_STRING
ot.NAME_ID_POSTSCRIPT_NAME: Wraps HB_OT_NAME_ID_POSTSCRIPT_NAME
ot.NAME_ID_TRADEMARK: Wraps HB_OT_NAME_ID_TRADEMARK
ot.NAME_ID_MANUFACTURER: Wraps HB_OT_NAME_ID_MANUFACTURER
ot.NAME_ID_DESIGNER: Wraps HB_OT_NAME_ID_DESIGNER
ot.NAME_ID_DESCRIPTION: Wraps HB_OT_NAME_ID_DESCRIPTION
ot.NAME_ID_VENDOR_URL: Wraps HB_OT_NAME_ID_VENDOR_URL
ot.NAME_ID_DESIGNER_URL: Wraps HB_OT_NAME_ID_DESIGNER_URL
ot.NAME_ID_LICENSE: Wraps HB_OT_NAME_ID_LICENSE
ot.NAME_ID_LICENSE_URL: Wraps HB_OT_NAME_ID_LICENSE_URL
ot.NAME_ID_TYPOGRAPHIC_FAMILY: Wraps HB_OT_NAME_ID_TYPOGRAPHIC_FAMILY
ot.NAME_ID_TYPOGRAPHIC_SUBFAMILY: Wraps HB_OT_NAME_ID_TYPOGRAPHIC_SUBFAMILY
ot.NAME_ID_MAC_FULL_NAME: Wraps HB_OT_NAME_ID_MAC_FULL_NAME
ot.NAME_ID_SAMPLE_TEXT: Wraps HB_OT_NAME_ID_SAMPLE_TEXT
ot.NAME_ID_CID_FINDFONT_NAME: Wraps HB_OT_NAME_ID_CID_FINDFONT_NAME
ot.NAME_ID_WWS_FAMILY: Wraps HB_OT_NAME_ID_WWS_FAMILY
ot.NAME_ID_WWS_SUBFAMILY: Wraps HB_OT_NAME_ID_WWS_SUBFAMILY
ot.NAME_ID_LIGHT_BACKGROUND: Wraps HB_OT_NAME_ID_LIGHT_BACKGROUND
ot.NAME_ID_DARK_BACKGROUND: Wraps HB_OT_NAME_ID_DARK_BACKGROUND
ot.NAME_ID_VARIATIONS_PS_PREFIX: Wraps HB_OT_NAME_ID_VARIATIONS_PS_PREFIX
ot.NAME_ID_INVALID: Wraps HB_OT_NAME_ID_INVALID
ot.LAYOUT_NO_SCRIPT_INDEX: Wraps HB_OT_LAYOUT_NO_SCRIPT_INDEX
ot.LAYOUT_NO_FEATURE_INDEX: Wraps HB_OT_LAYOUT_NO_FEATURE_INDEX
ot.LAYOUT_DEFAULT_LANGUAGE_INDEX: Wraps HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX
ot.LAYOUT_NO_VARIATIONS_INDEX: Wraps HB_OT_LAYOUT_NO_VARIATIONS_INDEX

luaharfbuzz

Contents

Modules

Examples

Module harfbuzz

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Functions

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Class Blob

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Class Face

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Class Font

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Class Buffer

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Cluster Levels

Class Feature

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Class Tag

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Class Script

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Predefined Script Codes

Class Direction

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Predefined directions

Class Language

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Module `harfbuzz`