mirror of
https://github.com/typst/typst
synced 2025-05-14 04:56:26 +08:00
41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
use super::*;
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/// `pad`: Pad content at the sides.
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///
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/// # Positional parameters
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/// - Padding for all sides: `padding`, of type `linear` relative to sides.
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/// - Body: of type `template`.
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///
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/// # Named parameters
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/// - Left padding: `left`, of type `linear` relative to parent width.
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/// - Right padding: `right`, of type `linear` relative to parent width.
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/// - Top padding: `top`, of type `linear` relative to parent height.
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/// - Bottom padding: `bottom`, of type `linear` relative to parent height.
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///
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/// # Return value
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/// A template that pads the body at the sides.
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pub fn pad(ctx: &mut EvalContext, args: &mut ValueArgs) -> Value {
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let all = args.find(ctx);
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let left = args.get(ctx, "left");
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let top = args.get(ctx, "top");
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let right = args.get(ctx, "right");
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let bottom = args.get(ctx, "bottom");
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let body = args.require::<ValueTemplate>(ctx, "body").unwrap_or_default();
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let padding = Sides::new(
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left.or(all).unwrap_or_default(),
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top.or(all).unwrap_or_default(),
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right.or(all).unwrap_or_default(),
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bottom.or(all).unwrap_or_default(),
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);
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Value::template("pad", move |ctx| {
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let snapshot = ctx.state.clone();
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let child = ctx.exec(&body).into();
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ctx.push(NodePad { padding, child });
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ctx.state = snapshot;
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})
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}
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