How to draw a decorative frame (rect with concave corners) around text?

Andrew · May 27, 2025, 3:11am

crates/typst-library/src/layout/rel.rs?plain=1

2f1865743


      
          /// A length in relation to some known length.
          ///
          /// This type is a combination of a [length] with a [ratio]. It results from
          /// addition and subtraction of a length and a ratio. Wherever a relative length
          /// is expected, you can also use a bare length or ratio.
          ///
          /// # Relative to the page
          /// A common use case is setting the width or height of a layout element (e.g.,
          /// [block], [rect], etc.) as a certain percentage of the width of the page.
          /// Here, the rectangle's width is set to `{25%}`, so it takes up one fourth of
          /// the page's _inner_ width (the width minus margins).
          ///
          /// ```example
          /// #rect(width: 25%)
          /// ```
          ///
          /// Bare lengths or ratios are always valid where relative lengths are expected,
          /// but the two can also be freely mixed:
          /// ```example
          /// #rect(width: 25% + 1cm)

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