leyoda/cosmic-text
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

perf: minimize the performance impact of text decoration

Browse source 
Boxed the decoration data to go from 40b to 8b.
The performance is almost unchanged for text without decoration.
This commit is contained in:
Hojjat 2026-02-24 14:52:04 -07:00 • committed by Jeremy Soller
parent 6ef1ccbeed
commit 78665aab3b
4 changed files with 78 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/layout.rs
View file

@ -2,9 +2,9 @@
use core::fmt::Display;
use crate::{math, CacheKey, CacheKeyFlags, Color, DecorationMetrics, TextDecoration};
use crate::{math, CacheKey, CacheKeyFlags, Color, GlyphDecorationData};
#[cfg(not(feature = "std"))]
use alloc::vec::Vec;
use alloc::{boxed::Box, vec::Vec};
#[cfg(not(feature = "std"))]
use core_maths::CoreFloat;
@ -58,12 +58,8 @@ pub struct LayoutGlyph {
pub metadata: usize,
/// [`CacheKeyFlags`]
pub cache_key_flags: CacheKeyFlags,
/// Text decoration (underline, strikethough, overline)
pub text_decoration: TextDecoration,
/// Underline offset and thickness extracted from the font
pub underline_metrics: DecorationMetrics,
/// Strikethrough offset and thickness extracted from the font
pub strikethrough_metrics: DecorationMetrics,
/// Decoration data, only allocated when decorations are active
pub decoration_data: Option<Box<GlyphDecorationData>>,
}
#[derive(Clone, Debug)]