INNER CODE UNIT · Rust

estimate_text_size

plotters-rs/plotters · plotters-backend/src/lib.rs:273

    fn estimate_text_size<TStyle: BackendTextStyle>(
        &self,
        text: &str,
        style: &TStyle,
    ) -> Result<(u32, u32), DrawingErrorKind<Self::ErrorType>> {
        let layout = style
            .layout_box(text)
            .map_err(|e| DrawingErrorKind::FontError(Box::new(e)))?;
        Ok((
            ((layout.1).0 - (layout.0).0) as u32,
            ((layout.1).1 - (layout.0).1) as u32,
        ))
    }

    /// Blit a bitmap on to the backend.
    ///
    /// - `text`: pos the left upper conner of the bitmap to blit
    /// - `src`: The source of the image

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