Struct RenderCache 

pub struct RenderCache { /* private fields */ }

Typesets an editor once per revision and keeps the geometry until the caret state changes.

Implementations

impl RenderCache

pub fn new() -> Self

An empty cache.

pub fn invalidate(&mut self)

Forget everything, for a change the revision does not show such as a host box size or another editor.

pub fn view<L: FontLoader>( &mut self, editor: &Editor, typesetter: &mut Typesetter<L>, mode: MathMode, boxes: &dyn HostBoxes, ) -> Result<&View, TypesetError>

The view of editor, typesetting only when its revision changed since the last call.

pub fn hit_test<L: FontLoader>( &mut self, editor: &Editor, typesetter: &mut Typesetter<L>, mode: MathMode, boxes: &dyn HostBoxes, at: Point, ) -> Result<Option<CaretPath>, TypesetError>

The caret under at, in the coordinates of View::render.

Trait Implementations

impl Debug for RenderCache

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RenderCache

fn default() -> Self

Returns the “default value” for a type.