Dynamic page margins | Typst | Page 1

tiny thistle Sep 7, 2023, 12:06 PM

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As far as I can tell it's not possible to either alter a page's margins dynamically (supplying a function to margins/using locate) nor can I specify the properties of the next page in advance with #set page(margins: ...) without causing a page break immediately. Is there a reason for this behaviour of set, does it lead problems if the parameters can be changed for a subsequent invocation of page?

flat heron Sep 7, 2023, 2:02 PM

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it's not quite a conscious design, and more of an annoying interaction between set, locate, and set page

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when you set page a pagebreak essentially happen, meaning that on the code side it makes sense that thing thing directly following a set page is on the page with those properties set

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for now you can do this using a show rule on pages

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#show page: it => locate(loc => {
    set page(margin: if calc.odd(loc.page()) {
        (left: 2.5cm, right: 3.5cm)
    } else {
        (left: 3.5cm, right: 2.5cm)
    })
    it
})

tiny thistle Sep 8, 2023, 1:56 AM

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Is see, this lets you calculate the margins at a particular location, but has the same effect as the set rule: It causes a pagebreak, sets the margin (with the location/page logic), and then all future pages have those margins.

#Dynamic page margins