Struct LayoutEngine 

pub struct LayoutEngine { /* private fields */ }

Base layout engine. Combines all the information needed to shape a font for TeX.

Implementations

impl LayoutEngine

pub fn new( font: MaybeBorrow<'static, Font>, script: Tag, language: Option<Cow<'static, CStr>>, features: Box<[Feature]>, shaper_list: Vec<*const c_char>, rgb_value: u32, extend: f32, slant: f32, embolden: f32, ) -> LayoutEngine

Create a new layout engine from the needed information

pub fn script(&self) -> Tag

Get the font script used

pub fn extend(&self) -> f32

Get the extend

pub fn slant(&self) -> f32

Get the slant

pub fn embolden(&self) -> f32

Get the embolden

pub fn rgb(&self) -> u32

Get the RGB

pub fn font(&self) -> &Font

Get the font

pub fn font_mut(&mut self) -> &mut Font

Get a mutable reference to the font

pub fn default_dir(&self) -> u8

Get the default direction

pub fn used_graphite(&self) -> bool

Check whether we’re using the graphite shaper

pub fn used_ot(&self) -> bool

Check whether we’re using the OpenType shaper

pub fn hb_buffer(&self) -> BufferRef<'_>

Get the harfbuzz buffer

pub fn layout_chars(&mut self, chars: &[u16], rtl: bool) -> usize

Get the number of characters in the given slice