Struct GlyphTypefaceDiagnosticGlyphRunSource 

pub struct GlyphTypefaceDiagnosticGlyphRunSource { /* private fields */ }

Builds the glyph runs of a DiagnosticTextRenderer from a glyph typeface and a font rendering em size, as the C# constructor does.

Implementations

impl GlyphTypefaceDiagnosticGlyphRunSource

pub fn new( glyph_typeface: Rc<GlyphTypeface>, font_rendering_em_size: f64, ) -> Self

Trait Implementations

impl IDiagnosticGlyphRunSource for GlyphTypefaceDiagnosticGlyphRunSource

fn create_glyph_run(&self, character: char) -> DiagnosticGlyphRun

Creates the glyph run consisting of the single glyph the typeface maps character to. Called once for every character from ' ' (32) to '~' (126), in order.

fn create_text_glyph_run(&self, text: &[u16]) -> DiagnosticGlyphRun

Creates the glyph run of text, one glyph per UTF-16 code unit as the typeface maps it. text is printable ASCII and not empty.

fn line_height(&self) -> f64

The line spacing of the typeface scaled to the font rendering em size (Metrics.LineSpacing * fontRenderingEmSize / Metrics.DesignEmHeight).