94 lines
2.1 KiB
Typst
94 lines
2.1 KiB
Typst
#import "@preview/cetz:0.2.2": draw
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#import "element.typ"
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#import "ports.typ": add-port
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#let draw-shape(id, tl, tr, br, bl, fill, stroke, h-ratio: 75%, align-out: true) = {
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let (x, y) = bl
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let (width, height) = (tr.at(0) - x, tr.at(1) - y)
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let ratio = h-ratio / 100%
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tl = (x, y + height * ratio)
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let tr2 = (x + width, y + height * ratio)
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let br = (x + width, y)
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if align-out {
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(tr, tr2) = (tr2, tr)
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} else {
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(tr, tr2) = (tr, tr)
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}
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let f = draw.group(name: id, {
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draw.merge-path(
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inset: 0.5em,
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fill: fill,
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stroke: stroke,
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close: true,
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draw.line(tl, tr2, br, bl)
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)
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draw.anchor("north", (tl, 50%, tr2))
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draw.anchor("south", (bl, 50%, br))
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draw.anchor("west", (tl, 50%, bl))
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draw.anchor("east", (tr2, 50%, br))
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})
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return (f, tl, tr, br, bl)
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}
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/// Draws a bit extender
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///
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/// #examples.extender
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/// For other parameters description, see #doc-ref("element.elmt")
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/// - h-ratio (ratio): The height ratio of the left side relative to the full height
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/// - align-out (bool): If true, the output and input ports are aligned, otherwise, the output port is centered on the right side
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#let extender(
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x: none,
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y: none,
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w: none,
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h: none,
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name: none,
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name-anchor: "center",
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fill: none,
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stroke: black + 1pt,
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id: "",
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h-ratio: 75%,
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align-out: true,
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debug: (
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ports: false
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)
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) = {
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let ports = (
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west: (
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(id: "in"),
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),
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east: (
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(id: "out"),
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)
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)
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let out-pct = if align-out {h-ratio / 2} else {50%}
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let ports-y = (
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"in": (h) => {h - h * (h-ratio / 200%)},
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"out": (h) => {h * (out-pct / 100%)}
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)
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element.elmt(
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draw-shape: draw-shape.with(h-ratio: h-ratio, align-out: align-out),
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x: x,
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y: y,
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w: w,
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h: h,
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name: name,
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name-anchor: name-anchor,
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ports: ports,
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auto-ports: false,
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ports-y: ports-y,
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fill: fill,
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stroke: stroke,
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id: id,
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debug: debug
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)
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let in-pos = (rel: (0, h * (h-ratio / 200%)), to: id+".south-west")
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let out-pos = (id+".south-east", out-pct, id+".north-east")
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add-port(id, "west", ports.west.first(), in-pos)
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add-port(id, "east", ports.east.first(), out-pos)
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} |