forked from HEL/circuiteria
127 lines
3.0 KiB
Typst
127 lines
3.0 KiB
Typst
#import "@preview/cetz:0.2.2": draw, coordinate
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#import "../ports.typ": add-ports, add-port
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#import "../element.typ"
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#let default-draw-shape(id, tl, tr, br, bl, fill, stroke) = {
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let f = {draw.rect(tl, br, fill: fill, stroke: stroke)}
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return (f, tl, tr, br, bl)
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}
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#let gate(
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draw-shape: default-draw-shape,
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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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inputs: 2,
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fill: none,
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stroke: black + 1pt,
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id: "",
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inverted: (),
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debug: (
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ports: false
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)
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) = draw.get-ctx(ctx => {
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let width = w
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let height = h
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let x = x
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let y = y
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if x == none { panic("Parameter x must be set") }
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if y == none { panic("Parameter y must be set") }
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if w == none { panic("Parameter w must be set") }
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if h == none { panic("Parameter h must be set") }
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if (type(x) == dictionary) {
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let offset = x.rel
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let to = x.to
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let (ctx, to-pos) = coordinate.resolve(ctx, (rel: (offset, 0), to: to))
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x = to-pos.at(0)
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}
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if (type(y) == dictionary) {
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let from = y.from
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let to = y.to
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let (to-side, i) = find-port(ports, to)
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let margins = (0%, 0%)
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if to-side in ports-margins {
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margins = ports-margins.at(to-side)
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}
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let used-pct = 100% - margins.at(0) - margins.at(1)
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let used-height = height * used-pct / 100%
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let top-margin = height * margins.at(0) / 100%
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let dy = used-height * (i + 1) / (ports.at(to-side).len() + 1)
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let (ctx, from-pos) = coordinate.resolve(ctx, from)
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y = from-pos.at(1) + dy - height + top-margin
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}
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let tl = (x, y + height)
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let tr = (x + width, y + height)
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let br = (x + width, y)
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let bl = (x, y)
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// Workaround because CeTZ needs to have all draw functions in the body
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let func = {}
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(func, tl, tr, br, bl) = draw-shape(id, tl, tr, br, bl, fill, stroke)
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{
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//draw.rect(tl, br)
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func
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}
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let space = 100% / (inputs + 1)
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for i in range(inputs) {
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let pct = (i + 1) * space
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let a = (tl, pct, bl)
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let b = (tr, pct, br)
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let int-name = id + "i" + str(i)
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draw.intersections(
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int-name,
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func,
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draw.hide(draw.line(a, b))
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)
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let port-name = "in" + str(i)
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let port-pos = int-name + ".0"
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if inverted == "all" or port-name in inverted {
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draw.circle(port-pos, radius: .2, anchor: "east", stroke: stroke)
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port-pos = (rel: (-.4, 0), to: port-pos)
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}
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add-port(
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id, "west",
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(id: port-name), port-pos,
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debug: debug.ports
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)
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}
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let out-pos = id + ".east"
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if inverted == "all" or "out" in inverted {
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draw.circle(out-pos, radius: .2, anchor: "west", stroke: stroke)
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out-pos = (rel: (.4, 0), to: out-pos)
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}
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add-port(
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id, "east",
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(id: "out"), out-pos,
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debug: debug.ports
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)
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})
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/* {
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let ports = (west: (), east: ((id: "out"),))
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for i in range(inputs) {
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ports.west.push((id: "in"+str(i)))
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}
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element.elmt(
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draw-shape: draw-shape,
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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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ports: ports,
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fill: fill,
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stroke: stroke,
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id: id,
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auto-ports: true,
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debug: debug
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)
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} |