104 lines
2.0 KiB
Typst

#import "/src/cetz.typ": draw
#import "gate.typ"
#let draw-shape(id, tl, tr, br, bl, fill, stroke) = {
let (x, y) = bl
let (width, height) = (tr.at(0) - x, tr.at(1) - y)
let t = (x + width / 2, y + height)
let b = (x + width / 2, y)
let ctrl-bl = (x + width / 2, y)
let ctrl-br = (x + width * 0.8, y + height * 0.1)
let ctrl-tl = (x + width / 2, y + height)
let ctrl-tr = (x + width * 0.8, y + height * 0.9)
let l = (x + width * 0.2, y + height / 2)
let r = (x + width, y + height / 2)
let f = draw.group(name: id, {
draw.merge-path(
inset: 0.5em,
fill: fill,
stroke: stroke,
name: id + "-path", {
draw.bezier-through(bl, l, tl)
draw.bezier((), r, ctrl-tl, ctrl-tr)
draw.bezier((), bl, ctrl-br, ctrl-bl)
}
)
draw.intersections("i",
id + "-path",
draw.hide(draw.line(t, b))
)
draw.anchor("north", "i.0")
draw.anchor("south", "i.1")
})
return (f, tl, tr, br, bl)
}
/// Draws an OR gate. This function is also available as `element.gate-or()`
///
/// For parameters, see #doc-ref("gates.gate")
/// #examples.gate-or
#let gate-or(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
gate.gate(
draw-shape: draw-shape,
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: inverted,
debug: debug
)
}
/// Draws a NOR gate. This function is also available as `element.gate-nor()`
///
/// For parameters, see #doc-ref("gates.gate")
/// #examples.gate-nor
#let gate-nor(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
gate-or(
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: if inverted != "all" {inverted + ("out",)} else {inverted},
debug: debug
)
}