typst/src/library/spacing.rs

41 lines
1.1 KiB
Rust

use super::*;
use crate::layout::SpacingKind;
use crate::length::ScaleLength;
/// `h`: Add horizontal spacing.
///
/// # Positional arguments
/// - The spacing (length or relative to font size).
pub async fn h(name: Span, args: DictValue, ctx: LayoutContext<'_>) -> Pass<Value> {
spacing(name, args, ctx, Horizontal)
}
/// `v`: Add vertical spacing.
///
/// # Positional arguments
/// - The spacing (length or relative to font size).
pub async fn v(name: Span, args: DictValue, ctx: LayoutContext<'_>) -> Pass<Value> {
spacing(name, args, ctx, Vertical)
}
fn spacing(
name: Span,
mut args: DictValue,
ctx: LayoutContext<'_>,
axis: SpecAxis,
) -> Pass<Value> {
let mut f = Feedback::new();
let spacing = args.expect::<ScaleLength>("spacing", name, &mut f);
let commands = if let Some(spacing) = spacing {
let axis = axis.to_generic(ctx.axes);
let spacing = spacing.raw_scaled(ctx.style.text.font_size());
vec![AddSpacing(spacing, SpacingKind::Hard, axis)]
} else {
vec![]
};
args.unexpected(&mut f);
Pass::commands(commands, f)
}