iced-rs/iced · error

Write font system

Error message

Write font system

What it means

Error "Write font system" thrown in iced-rs/iced.

Source

Thrown at graphics/src/text/paragraph.rs:69

            raw: Arc::downgrade(paragraph),
            min_bounds: paragraph.min_bounds,
            align_x: paragraph.align_x,
            align_y: paragraph.align_y,
        }
    }

    fn internal(&self) -> &Arc<Internal> {
        &self.0
    }
}

impl core::text::Paragraph for Paragraph {
    type Font = Font;

    fn with_text(text: Text<&str>) -> Self {
        log::trace!("Allocating plain paragraph: {}", text.content);

        let mut font_system = text::font_system().write().expect("Write font system");

        let (hint, hint_factor) = match text::hint_factor(text.size, text.hint_factor) {
            Some(hint_factor) => (true, hint_factor),
            _ => (false, 1.0),
        };

        let mut buffer = cosmic_text::Buffer::new(
            font_system.raw(),
            cosmic_text::Metrics::new(
                f32::from(text.size) * hint_factor,
                f32::from(text.line_height.to_absolute(text.size)) * hint_factor,
            ),
        );

        if hint {
            buffer.set_hinting(cosmic_text::Hinting::Enabled);
        }

View on GitHub (pinned to 2cffa99b39)

When it happens

Trigger: Thrown at graphics/src/text/paragraph.rs:69 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of iced-rs/iced@2cffa99b39 (2026-08-16). Data as JSON: /api/errors/cff36b1a9345d3f5. Report an issue: GitHub.