forked from HEL/chronos
63 lines
1.4 KiB
Typst
63 lines
1.4 KiB
Typst
#let get-participants-i(participants) = {
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let pars-i = (:)
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for (i, p) in participants.enumerate() {
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pars-i.insert(p.name, i)
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}
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return pars-i
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}
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#let get-group-span(participants, group) = {
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let min-i = participants.len() - 1
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let max-i = 0
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let pars-i = get-participants-i(participants)
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for elmt in group.elmts {
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if elmt.type == "seq" {
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let i1 = pars-i.at(elmt.p1)
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let i2 = pars-i.at(elmt.p2)
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min-i = calc.min(min-i, i1, i2)
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max-i = calc.max(max-i, i1, i2)
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} else if elmt.type == "grp" {
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let (i0, i1) = get-group-span(participants, elmt)
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min-i = calc.min(min-i, i0)
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max-i = calc.max(max-i, i1)
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}
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}
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return (min-i, max-i)
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}
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#let get-style(base-name, mods) = {
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let style = if base-name == "lifeline" {(
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fill: white,
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stroke: black + 1pt
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)}
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if mods == auto {
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return style
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}
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if type(mods) == dictionary {
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return style + mods
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}
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panic("Invalid type for parameter mods, expected auto or dictionary, got " + str(type(mods)))
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}
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#let fit-canvas(canvas, width: auto) = layout(size => {
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let m = measure(canvas)
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let w = m.width
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let h = m.height
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let r = if w == 0pt {0} else {
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if width == auto {1} else {
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size.width * width / w
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}
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}
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let new-w = w * r
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let new-h = h * r
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r *= 100%
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box(
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width: new-w,
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height: new-h,
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scale(x: r, y: r, reflow: true, canvas)
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)
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}) |