Trait kas_text::TextApiExt[−][src]

pub trait TextApiExt: TextApi {

Show 15 methods    fn update_env<F: FnOnce(&mut UpdateEnv<'_>)>(&mut self, f: F) -> Vec2 { ... }

    fn required_action(&self) -> Action { ... }

    fn num_lines(&self) -> usize { ... }

    fn find_line(&self, index: usize) -> Option<(usize, Range<usize>)> { ... }

    fn line_range(&self, line: usize) -> Option<Range<usize>> { ... }

    fn line_is_ltr(&self, line: usize) -> bool { ... }

    fn line_is_rtl(&self, line: usize) -> bool { ... }

    fn text_index_nearest(&self, pos: Vec2) -> usize { ... }

    fn line_index_nearest(&self, line: usize, x: f32) -> Option<usize> { ... }

    fn text_glyph_pos(&self, index: usize) -> MarkerPosIterⓘ
Notable traits for MarkerPosIter
impl Iterator for MarkerPosIter    type Item = MarkerPos;
 { ... }

    fn num_glyphs(&self) -> usize { ... }

    fn glyphs<F: FnMut(FaceId, f32, Glyph)>(&self, f: F) { ... }

    fn glyphs_with_effects<X, F, G>(
        &self, 
        effects: &[Effect<X>], 
        default_aux: X, 
        f: F, 
        g: G
    )
    where
        X: Copy,
        F: FnMut(FaceId, f32, Glyph, usize, X),
        G: FnMut(f32, f32, f32, f32, usize, X),
    { ... }

    fn highlight_lines(&self, range: Range<usize>) -> Vec<(Vec2, Vec2)> { ... }

    fn highlight_runs(&self, range: Range<usize>) -> Vec<(Vec2, Vec2)> { ... }

}
Expand description

Extension trait over TextApi

Provided methods

Update the environment and prepare, returning required size

This prepares text as necessary. It always performs line-wrapping.

Get required action

Get the number of lines

Wraps TextDisplay::num_lines.

Find the line containing text index

Wraps TextDisplay::find_line.

Get the range of a line, by line number

Wraps TextDisplay::line_range.

Get the directionality of the current line

Wraps TextDisplay::line_is_ltr.

Get the directionality of the current line

Wraps TextDisplay::line_is_rtl.

Find the text index for the glyph nearest the given pos

Wraps TextDisplay::text_index_nearest.

Find the text index nearest horizontal-coordinate x on line

Wraps TextDisplay::line_index_nearest.

Find the starting position (top-left) of the glyph at the given index

Wraps TextDisplay::text_glyph_pos.

Get the number of glyphs

Wraps TextDisplay::num_glyphs.

Yield a sequence of positioned glyphs

Wraps TextDisplay::glyphs.

Like TextDisplay::glyphs but with added effects

Wraps TextDisplay::glyphs_with_effects.

Yield a sequence of rectangles to highlight a given range, by lines

Wraps TextDisplay::highlight_lines.

Yield a sequence of rectangles to highlight a given range, by runs

Wraps TextDisplay::highlight_runs.

Implementors