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use crate::length::Length;
use crate::paper::{Paper, PaperClass};
use super::*;
function! {
/// `page.size`: Set the size of pages.
#[derive(Debug, Clone, PartialEq)]
pub struct PageSizeFunc {
paper: Option<Paper>,
extents: AxisMap<Length>,
flip: bool,
}
parse(header, body, state, f) {
body!(nope: body, f);
PageSizeFunc {
paper: header.args.pos.get::<Paper>(&mut f.diagnostics),
extents: AxisMap::parse::<ExtentKey>(&mut f.diagnostics, &mut header.args.key),
flip: header.args.key.get::<bool>(&mut f.diagnostics, "flip").unwrap_or(false),
}
}
layout(self, ctx, f) {
let mut style = ctx.style.page;
if let Some(paper) = self.paper {
style.class = paper.class;
style.dimensions = paper.size();
} else {
style.class = PaperClass::Custom;
}
let map = self.extents.dedup(&mut f.diagnostics, ctx.axes);
map.with(Horizontal, |&width| style.dimensions.x = width);
map.with(Vertical, |&height| style.dimensions.y = height);
if self.flip {
style.dimensions.swap();
}
vec![SetPageStyle(style)]
}
}
function! {
/// `page.margins`: Sets the page margins.
#[derive(Debug, Clone, PartialEq)]
pub struct PageMarginsFunc {
padding: PaddingMap,
}
parse(header, body, state, f) {
body!(nope: body, f);
PageMarginsFunc {
padding: PaddingMap::parse(&mut f.diagnostics, &mut header.args),
}
}
layout(self, ctx, f) {
let mut style = ctx.style.page;
self.padding.apply(&mut f.diagnostics, ctx.axes, &mut style.margins);
vec![SetPageStyle(style)]
}
}
|
