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Circuiteria is a [Typst](https://typst.app) package for drawing block circuit diagrams using the [CeTZ](https://typst.app/universe/package/cetz) package.
<p align="center">
<img src="./gallery/platypus.png" alt="A platypus / Perry the Platypus meme made with colored rounded rectangles">
<img src="./gallery/platypus.png" alt="Perry the platypus">
</p>
## Examples
@@ -11,17 +11,17 @@ Circuiteria is a [Typst](https://typst.app) package for drawing block circuit di
<tr>
<td colspan="2">
<a href="./gallery/test.typ">
<img src="./gallery/test.png" width="500px" alt="Block diagram of a multi-cycle RISC-V FPGA processor">
<img src="./gallery/test.png" width="500px">
</a>
</td>
</tr>
<tr>
<td colspan="2">A bit of everything</td>
<td colspan="2">A bit of eveything</td>
</tr>
<tr>
<td colspan="2">
<a href="./gallery/test5.typ">
<img src="./gallery/test5.png" width="500px" alt="Block diagram of a single-cycle RISC-V processor">
<img src="./gallery/test5.png" width="500px">
</a>
</td>
</tr>
@@ -31,12 +31,12 @@ Circuiteria is a [Typst](https://typst.app) package for drawing block circuit di
<tr>
<td>
<a href="./gallery/test4.typ">
<img src="./gallery/test4.png" width="250px" alt="Top-level block diagram of a single-cycle RISC-V processor">
<img src="./gallery/test4.png" width="250px">
</a>
</td>
<td>
<a href="./gallery/test6.typ">
<img src="./gallery/test6.png" width="250px" alt="Block diagram of a simple single-cycle RISC-V ALU">
<img src="./gallery/test6.png" width="250px">
</a>
</td>
</tr>
@@ -56,7 +56,7 @@ For more information, see the [manual](manual.pdf)
To use this package, simply import [circuiteria](https://typst.app/universe/package/circuiteria) and call the `circuit` function:
```typ
#import "@preview/circuiteria:0.2.1"
#import "@preview/circuiteria:0.2.0"
#circuiteria.circuit({
import circuiteria: *
...
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@@ -23,31 +23,6 @@ wire.stub("block-port-in2", "west")
wire.stub("block-port-out", "east")
```)
#let align-with-ports = example(```
// `align-with` reuses another port's coord
// (E/W: y, N/S: x). Forms:
// 1. "id" — local
// 2. (element:"e", port:"p") — cross-elmt
// 3. "raw-anchor" — CeTZ anchor
element.block(x: 0, y: 0, w: 2, h: 2, id: "b1",
ports: (
west: ((id: "a", name: "A", y: 30%),),
east: ((id: "oa", name: "A'",
"align-with": "a"),),
))
element.block(x: 4, y: -.3, w: 2, h: 2.6, id: "b2",
ports: (
west: ((id: "ia", name: "A",
"align-with":
(element: "b1", port: "oa")),),
east: ((id: "o", name: "C"),),
))
wire.stub("b1-port-a", "west")
wire.wire("w", ("b1-port-oa", "b2-port-ia"),
style: "direct")
wire.stub("b2-port-o", "east")
```, vertical: true)
#let extender = example(```
element.extender(
x: 0, y: 0, w: 3, h: 1,
@@ -81,7 +56,7 @@ for i in range(3) {
```)
#let wires = example(```
for i in range(5) {
for i in range(3) {
draw.circle((i * 3, 0), radius: .1, name: "p" + str(i * 2))
draw.circle((i * 3 + 2, 1), radius: .1, name: "p" + str(i * 2 + 1))
draw.content((i * 3 + 1, -1), raw(wire.wire-styles.at(i)))
@@ -90,12 +65,6 @@ wire.wire("w1", ("p0", "p1"), style: "direct")
wire.wire("w2", ("p2", "p3"), style: "zigzag")
wire.wire("w3", ("p4", "p5"), style: "dodge",
dodge-y: -0.5, dodge-margins: (0.5, 0.5))
wire.wire("w4", ("p6","p7"), style: "guided",
guided-center:(20%, 40%), guided-margins: (90%,87%),
guided-sides: ("north","south"))
wire.wire("w5", ("p8", "p9"), style: "u-shape",
u-side: "east", u-depth: 0.5)
```, vertical: true)
#let stub = example(```
@@ -106,81 +75,6 @@ wire.stub("p", "south", name: "south", length: 15pt)
wire.stub("p", "west", name: "west", length: 3em)
```)
#let breakout = example(```
// 16 breakouts: 4 directions × 4 label positions, laid out
// two per row so the labels have room to breathe.
let dirs = ("north-east", "north-west", "south-east", "south-west")
let poss = ("north-east", "north-west", "south-east", "south-west")
let short = (
"north-east": "NE", "north-west": "NW",
"south-east": "SE", "south-west": "SW",
)
let cols = 2
let dx = 5
let dy = 2
for (i, dir) in dirs.enumerate() {
for (j, pos) in poss.enumerate() {
let n = i * poss.len() + j
let r = calc.floor(n / cols)
let c = calc.rem(n, cols)
draw.circle((c * dx, -r * dy), radius: .05)
wire.breakout("b" + str(n),
x: c * dx, y: -r * dy,
direction: dir,
port-side: if dir.ends-with("east") { "west" } else { "east" },
name: short.at(dir) + "/" + short.at(pos),
name-pos: pos)
}
}
```)
#let breakout-label = example(```
// name-pos matches direction → label sits at the end point.
wire.breakout("b1", x: 0, y: 0, direction: "north-east",
port-side: "east",
name: "at end", name-pos: "north-east")
// name-pos opposite to direction → label would cover the line, so
// it falls back to the start point.
wire.breakout("b2", x: 4, y: 0, direction: "north-east",
port-side: "east",
name: "at start", name-pos: "south-west")
```, vertical: true)
#let breakout-wire = example(```
// Bus fan-out: a horizontal wire from the left block to the lower
// right block carries the full 10-bit bus. A breakout in the middle
// of that wire taps bits [9:5] and routes them to the upper right
// block via an L-shaped zigzag (up, then right).
element.block(x: 0, y: 0, w: 2, h: 2, id: "src",
fill: util.colors.blue,
ports: (east: ((id: "out"),)))
element.block(x: 6, y: 0, w: 2, h: 2, id: "dstL",
fill: util.colors.green,
ports: (west: ((id: "in"),)))
element.block(x: 6, y: 4, w: 2, h: 2, id: "dstU",
fill: util.colors.orange,
ports: (west: ((id: "in"),)))
// Full bus wire, labelled "[9:0]" on the left.
wire.wire("wbus", ("src-port-out", "dstL-port-in"),
name: "[9:0]", name-pos: "start")
// Breakout tapped from the midpoint of the bus.
wire.breakout("tap",
x: (rel: 2, to: "src-port-out"),
y: (from: "src-port-out"),
direction: "north-east",
port-side: "west",
name: "[9:5]", name-pos: "north-east")
// L-shaped wire from the breakout up and then right to the upper
// block's input.
wire.wire("wtap", ("tap-port-tap", "dstU-port-in"),
style: "zigzag", zigzag-dir: "horizontal",
zigzag-ratio: 100%)
```)
#let gate-and = example(```
gates.gate-and(x: 0, y: 0, w: 1.5, h: 1.5)
gates.gate-and(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
@@ -221,46 +115,6 @@ gates.gate-xnor(x: 0, y: 0, w: 1.5, h: 1.5)
gates.gate-xnor(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-and = example(```
gates.iec-gate-and(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-and(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-nand = example(```
gates.iec-gate-nand(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-nand(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-or = example(```
gates.iec-gate-or(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-or(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-nor = example(```
gates.iec-gate-nor(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-nor(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-xor = example(```
gates.iec-gate-xor(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-xor(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-xnor = example(```
gates.iec-gate-xnor(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-xnor(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-buf = example(```
gates.iec-gate-buf(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-buf(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let iec-gate-not = example(```
gates.iec-gate-not(x: 0, y: 0, w: 1.5, h: 1.5)
gates.iec-gate-not(x: 3, y: 0, w: 1.5, h: 1.5, inverted: "all")
```, vertical: true)
#let group = example(```
element.group(
id: "g1", name: "Group 1", stroke: (dash: "dashed"),
@@ -288,162 +142,9 @@ wire.wire("w2", ("b2-port-out", "b3-port-in2"),
style: "zigzag")
```)
#let group-ports = example(```
// outside-port-names: true (default) — labels outside the border
element.group(
id: "g1", name: "outside (default)",
stroke: (dash: "dashed"),
fill: util.colors.blue.lighten(60%),
padding: 2em,
outside-port-names: true,
port-name-padding: 4pt,
ports: (
west: ((id: "in", name: "D"),),
east: ((id: "out", name: "Q"),),
),
{ element.block(id: "b1", w: 2, h: 1.5, x: 0, y: 0,
fill: util.colors.green,
ports: (west: ((id: "d", name: "d"),),
east: ((id: "q", name: "q"),))) }
)
wire.wire("wG1in", ("g1-port-in", "b1-port-d"), directed: true)
wire.wire("wG1out", ("b1-port-q", "g1-port-out"), directed: true)
// outside-port-names: false — labels inside the border (block style)
// with extra padding via port-name-padding
element.group(
id: "g2", name: "inside",
stroke: (dash: "dashed"),
fill: util.colors.orange.lighten(60%),
padding: 2em,
outside-port-names: false,
port-name-padding: 0.4em,
ports: (
west: ((id: "in", name: "D"),),
east: ((id: "out", name: "Q"),),
),
{ element.block(id: "b2", w: 2, h: 1.5, x: 6, y: 0,
fill: util.colors.green,
ports: (west: ((id: "d"),), east: ((id: "q"),))) }
)
wire.stub("g2-port-in", "west")
wire.stub("g2-port-out", "east")
```, vertical: true)
#let port-names-outside = example(```
element.block(
x: 0, y: 0, w: 2, h: 2, id: "block",
port-names-outside: true,
port-name-padding: 4pt,
ports: (
north: ((id: "clk", name: "CLK", clock: true),),
west: ((id: "in1", name: "A"),
(id: "in2", name: "B")),
east: ((id: "out", name: "Y"),)
)
)
```)
#let port-shape = example(```
// Block with pentagon-shaped ports.
// - port-shape / port-kind / port-size are element-level defaults.
// - Any port field (shape, kind, size, stroke, fill) overrides per port.
// - kind: "in" → tip points into the block (default)
// kind: "out" → tip points away from the block
// - clock ports with shape: "pentagon" drop their triangle and default
// to a gray fill.
element.block(
id: "b", w: 3, h: 3, x: 0, y: 0,
fill: util.colors.yellow.lighten(60%),
port-shape: "pentagon",
port-size: 1em,
ports: (
// west: default input
west: ((id: "in", name: "D"),),
// east: output — tip points away
east: ((id: "out", name: "Q", kind: "out"),),
// north: clock port — pentagon replaces the triangle, gray fill
north: ((id: "clk", name: "CLK", clock: true),),
// south: styled output with per-port fill and stroke
south: ((id: "rdy", name: "RDY", kind: "out",
fill: util.colors.blue, stroke: red + 1.5pt),),
),
)
// Wires connect at the outer end of each pentagon.
wire.stub("b-port-in", "west")
wire.stub("b-port-out", "east")
wire.stub("b-port-clk", "north")
wire.stub("b-port-rdy", "south")
```)
#let shell = example(```
// A shell block acts as a container: port name labels are drawn
// outside by default, and wires attach at the *inside* tip of
// pentagon-shaped ports so child elements can sit within.
element.block(
id: "sh", w: 5, h: 3, x: 0, y: 0,
shell: true,
port-shape: "pentagon",
fill: util.colors.blue.lighten(80%),
ports: (
west: ((id: "in", name: "IN"),),
east: ((id: "out", name: "OUT", kind: "out"),),
),
{
element.block(id: "inner", w: 2, h: 1.5, x: 1.5, y: 0.75,
fill: util.colors.yellow,
ports: (west: ((id: "a"),), east: ((id: "b"),)))
}
)
wire.wire("w-in", ("sh-port-in", "inner-port-a"))
wire.wire("w-out", ("inner-port-b", "sh-port-out"))
```)
#let intersection = example(```
wire.wire("w1", ((0, 0), (1, 1)), style: "zigzag")
wire.wire("w2", ((0, 0), (1, -.5)),
style: "zigzag", zigzag-ratio: 80%)
wire.intersection("w1.zig")
```)
#let u-shape-wire = example(```
// east <-> east (u-side auto-detected)
element.block(x: 0, y: 0, w: 1.5, h: 1.5, id: "eA",
fill: util.colors.orange,
ports: (east: ((id: "out"),)))
element.block(x: 0.5, y: -2.5, w: 1.5, h: 1.5, id: "eB",
fill: util.colors.orange,
ports: (east: ((id: "out"),)))
wire.wire("uEE", ("eA-port-out", "eB-port-out"),
style: "u-shape", u-depth: 0.5)
// west <-> west (auto-detected)
element.block(x: 6, y: 0, w: 1.5, h: 1.5, id: "wA",
fill: util.colors.yellow,
ports: (west: ((id: "in"),)))
element.block(x: 6.5, y: -2.5, w: 1.5, h: 1.5, id: "wB",
fill: util.colors.yellow,
ports: (west: ((id: "in"),)))
wire.wire("uWW", ("wA-port-in", "wB-port-in"),
style: "u-shape", u-depth: 0.5)
// north <-> north (auto-detected)
element.block(x: 10, y: -3, w: 1.5, h: 1.5, id: "nA",
fill: util.colors.green,
ports: (north: ((id: "out"),)))
element.block(x: 12.5, y: -2.5, w: 1.5, h: 1.5, id: "nB",
fill: util.colors.green,
ports: (north: ((id: "out"),)))
wire.wire("uNN", ("nA-port-out", "nB-port-out"),
style: "u-shape", u-depth: 0.5)
// south <-> south with explicit u-side override
element.block(x: 16, y: -3, w: 1.5, h: 1.5, id: "sA",
fill: util.colors.pink,
ports: (south: ((id: "out"),)))
element.block(x: 18.5, y: -3.5, w: 1.5, h: 1.5, id: "sB",
fill: util.colors.pink,
ports: (south: ((id: "out"),)))
wire.wire("uSS", ("sA-port-out", "sB-port-out"),
style: "u-shape", u-side: "south", u-depth: 0.5)
```, vertical: true)
```)
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#import "@preview/circuiteria:0.2.1": *
#import "../src/lib.typ": *
#set page(width: auto, height: auto, margin: .5cm)
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@@ -0,0 +1,286 @@
#import "../src/lib.typ": *
#import "/src/cetz.typ": draw
#set text(font: "Source Sans 3")
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
element.block(
size: (1.5, 2.2),
id: "PCBuf",
fill: util.colors.orange,
ports: (
west: "PCNext",
north: (id: "CLK", clock: true),
east: "PC",
south: (("EN", "EN"),)
)
)
wire.stub("PCBuf.CLK", name: "CLK")
wire.stub("PCBuf.EN", name: "PCWrite")
element.multiplexer(
pos: (
3, (align: "in0", with: "PCBuf.PC")
),
size: (1, 2),
id: "AdrSrc-MP",
fill: util.colors.orange,
entries: 2
)
wire.wire(
"PCBuf.PC",
"AdrSrc-MP.in0",
id: "wPCBuf-InstDataMgr",
name: "PC",
bus: true
)
wire.stub("AdrSrc-MP.north", side: "north", name: "AdrSrc")
element.block(
pos: (
6, (align: "A", with: "AdrSrc-MP.out")
),
size: (3, 4),
id: "InstDataMgr",
fill: util.colors.yellow,
ports: (
west: (
("A", "A"),
("WD", "WD")
),
north: (
(id: "CLK", clock: true),
(id: "WE", name: "WE", vertical: true),
(id: "IRWrite", name: "IRWrite", vertical: true)
),
east: (
("Instr", "Instr."),
("RD", "RD")
)
),
ports-margins: (
west: (30%, 0%),
east: (40%, 0%)
)
)
wire.wire(
"AdrSrc-MP.out",
"InstDataMgr.A",
id: "wAdrSrcMP-InstDataMgr",
name: (none, "Adr"),
bus: true
)
wire.stub("InstDataMgr.CLK", name: "CLK")
wire.stub("InstDataMgr.WE")
wire.stub("InstDataMgr.IRWrite")
wire.stub("InstDataMgr.WD")
element.block(
pos: (
15, (align: "WD3", with: "InstDataMgr.RD")
),
size: (3, 4),
id: "RegFile",
fill: util.colors.pink,
ports: (
west: (
("A1", "A1"),
("A2", "A2"),
("A3", "A3"),
("WD3", "WD3"),
),
north: (
(id: "CLK", clock: true),
(id: "WE3", name: "WE3", vertical: true)
),
east: (
("RD1", "RD1"),
("RD2", "RD2"),
)
),
ports-margins: (
east: (20%, 20%)
)
)
wire.stub("RegFile.CLK", name: "CLK")
wire.stub("RegFile.WE3", name: "Regwrite", name-offset: 0.6)
wire.stub("RegFile.A2")
wire.stub("RegFile.RD2")
element.extender(
pos: (15, -3.5),
size: (3, 1),
id: "Extender",
fill: util.colors.green
)
wire.wire(
"Extender.north",
(18, -2),
id: "wExtender-ImmSrc",
style: "zigzag",
zigzag-ratio: 0%,
name: (none, "ImmSrc"),
bus: true
)
let mid = ("InstDataMgr.east", 50%, "RegFile.west")
wire.wire(
"InstDataMgr.Instr",
(vertical: (), horizontal: mid),
id: "wInstDataMgr-Bus",
name: ("Instr", none),
bus: true
)
wire.wire(
(v => (v.at(0), -3.5), mid),
(horizontal: (), vertical: (0, 3.5)),
id: "wBus",
bus: true
)
wire.wire(
"RegFile.A1",
(horizontal: mid, vertical: ()),
id: "wBus-RegFile-A1",
name: (none, "RS1"),
slice: (19, 15),
reverse: true,
bus: true
)
wire.wire(
"RegFile.A3",
(horizontal: mid, vertical: ()),
id: "wBus-RegFile-A3",
name: (none, "RD"),
slice: (11, 7),
reverse: true,
bus: true
)
wire.wire(
"Extender.in",
(horizontal: mid, vertical: ()),
id: "wBus-Extender",
slice: (31, 7),
reverse: true,
bus: true
)
element.alu(
pos: (
22, (align: "in1", with: "RegFile.RD1")
),
size: (1, 2),
id: "ALU",
fill: util.colors.purple
)
wire.wire(
"RegFile.RD1",
"ALU.in1",
id: "wRegFile-ALU",
name: ("A", "SrcA"),
bus: true
)
wire.stub("ALU.north", side: "north")
element.block(
pos: (
26, (align: "in", with: "ALU.out")
),
size: (1.5, 2),
id: "OutBuf",
fill: util.colors.orange,
ports: (
west: "in",
north: (id: "CLK", clock: true),
east: "out"
)
)
wire.stub("OutBuf.CLK", name: "CLK")
wire.wire(
"ALU.out",
"OutBuf.in",
id: "wALU-OutBuf",
name: "ALUResult",
bus: true
)
element.multiplexer(
pos: (
30, (align: "in0", with: "OutBuf.out")
),
size: (1, 2.5),
id: "Res-MP",
fill: util.colors.orange,
entries: 3
)
wire.stub("Res-MP.north", side: "north", name: "ResultSrc")
wire.stub("Res-MP.in2")
wire.wire(
"OutBuf.out",
"Res-MP.in0",
id: "wOutBuf-ResMP",
name: "ALUOut",
bus: true
)
wire.wire(
"Extender.out",
"ALU.in2",
id: "wExt-ALU",
name: ("ImmExt", "SrcB"),
bus: true,
style: "zigzag",
zigzag-ratio: 60%
)
wire.wire(
"InstDataMgr.RD",
"Res-MP.in1",
id: "wInstDataMgr-ResMP",
style: "dodge",
dodge-y: -4,
dodge-sides: ("east", "west"),
name: ("Data", none),
bus: true
)
wire.wire(
"Res-MP.out",
"AdrSrc-MP.in1",
id: "wResMP-AdrSrc",
style: "dodge",
dodge-y: -5,
dodge-sides: ("east", "west"),
dodge-margins: (0.5, 1),
bus: true
)
wire.wire(
"Res-MP.out",
"RegFile.WD3",
id: "wResMP-RegFile",
style: "dodge",
dodge-y: -5,
dodge-sides: ("east", "west"),
dodge-margins: (0.5, 1),
bus: true
)
wire.wire(
"Res-MP.out",
"PCBuf.PCNext",
id: "wResMP-PCBuf",
style: "dodge",
dodge-y: -5,
dodge-sides: ("east", "west"),
dodge-margins: (0.5, 1.5),
name: (none, "PCNext"),
bus: true
)
wire.intersection("wResMP-RegFile.dodge-end", radius: .2)
wire.intersection("wResMP-AdrSrc.dodge-end", radius: .2)
})
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#import "@preview/circuiteria:0.2.1": circuit, element, util, wire
#import "../src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
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#import "@preview/circuiteria:0.2.1": circuit, element, util, wire
#import "../src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
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#import "@preview/circuiteria:0.2.1": circuit, element, util, wire
#import "/src/cetz.typ": draw
#import "../src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
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#import "/src/cetz.typ": draw
#import "@preview/circuiteria:0.2.1": *
#import "../src/lib.typ": *
#set page(width: auto, height: auto, margin: .5cm)
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#import "/src/cetz.typ": draw
#import "@preview/circuiteria:0.2.1": *
#import "../src/lib.typ": *
#set page(width: auto, height: auto, margin: .5cm)
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#import "/src/cetz.typ": draw
#import "@preview/circuiteria:0.2.1": *
#import "/src/cetz.typ": draw, vector
#import "../src/lib.typ": *
#set page(width: auto, height: auto, margin: .5cm)
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#import "@preview/circuiteria:0.2.1": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
element.iec-gate-buf(
x: 0,
y: 0,
w: 2,
h: 2,
id: "iec-buf",
inputs: 1,
)
wire.stub("iec-buf-port-in0", "west")
element.iec-gate-not(
x: 3,
y: 0,
w: 2,
h: 2,
id: "iec-not",
inputs: 1,
)
wire.stub("iec-not-port-in0", "west")
element.iec-gate-and(
id: "iec-and",
x: 0,
y: -3,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-and-port-in" + str(i), "west")
}
element.iec-gate-nand(
id: "iec-nand",
x: 3,
y: -3,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-nand-port-in" + str(i), "west")
}
element.iec-gate-or(
id: "iec-or",
x: 0,
y: -6,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-or-port-in" + str(i), "west")
}
element.iec-gate-nor(
id: "iec-nor",
x: 3,
y: -6,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-nor-port-in" + str(i), "west")
}
element.iec-gate-xor(
id: "iec-xor",
x: 0,
y: -9,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-xor-port-in" + str(i), "west")
}
element.iec-gate-xnor(
id: "iec-nxor",
x: 3,
y: -9,
w: 2,
h: 2,
inputs: 2,
)
for i in range(2) {
wire.stub("iec-nxor-port-in" + str(i), "west")
}
})
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// Demonstrates the wire.breakout element used to split off slices of a
// bus that connects blocks. The main bus wires are always laid out
// orthogonally; breakouts diagonally tap intermediate points on those
// wires and route the sub-bus to another block via an L-shaped zigzag.
#import "/src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
// ---- Source block on the left, main sink on the right ----
element.block(x: 0, y: 0, w: 2, h: 2, id: "src", fill: util.colors.blue, ports: (
east: ((id: "out"),),
))
element.block(x: 15, y: 0, w: 2, h: 2, id: "dstMain", fill: util.colors.green, ports: (
west: ((id: "in"),),
))
// Full bus from src to dstMain, labelled [15:0] at the start.
wire.wire("wbus", ("src-port-out", "dstMain-port-in"), name: "[15:0]", name-pos: "start")
// ---- Upper-left sink: taps bits [11:8] via NW breakout ----
element.block(x: 0, y: 4, w: 2, h: 2, id: "dstNW", fill: util.colors.yellow, ports: (
east: ((id: "in"),),
))
wire.breakout(
"tapNE",
x: (rel: 3, to: "src-port-out"),
y: (from: "src-port-out"),
direction: "north-east",
port-side: "west",
name: "[15:12]",
name-pos: "north-east",
)
// L-shape: up first, then left into dstNW.
wire.wire(
"wNW",
("tapNE-port-tapNE", "dstNW-port-in"),
style: "zigzag",
zigzag-dir: "horizontal",
zigzag-ratio: 100%,
)
// ---- Upper-right sink: taps bits [15:12] via NE breakout ----
element.block(x: 15, y: 4, w: 2, h: 2, id: "dstNE", fill: util.colors.orange, ports: (
west: ((id: "in"),),
))
wire.breakout(
"tapNW",
x: (rel: 7, to: "src-port-out"),
y: (from: "src-port-out"),
direction: "north-west",
port-side: "east",
name: "[11:8]",
name-pos: "north-east",
)
// L-shape: up first, then right into dstNE.
wire.wire(
"wNE",
("tapNW-port-tapNW", "dstNE-port-in"),
style: "zigzag",
zigzag-dir: "horizontal",
zigzag-ratio: 100%,
)
// ---- Lower-left sink: taps bits [3:0] via SW breakout ----
element.block(x: 0, y: -4, w: 2, h: 2, id: "dstSW", fill: util.colors.purple, ports: (
east: ((id: "in"),),
))
wire.breakout(
"tapSE",
x: (rel: 5, to: "src-port-out"),
y: (from: "src-port-out"),
direction: "south-east",
port-side: "west",
name: "[7:4]",
name-pos: "south-east",
)
// L-shape: down first, then left into dstSW.
wire.wire(
"wSW",
("tapSE-port-tapSE", "dstSW-port-in"),
style: "zigzag",
zigzag-dir: "horizontal",
zigzag-ratio: 100%,
)
// ---- Lower-right sink: taps bits [7:4] via SE breakout ----
element.block(x: 15, y: -4, w: 2, h: 2, id: "dstSE", fill: util.colors.pink, ports: (
west: ((id: "in"),),
))
wire.breakout(
"tapSW",
x: (rel: 11, to: "src-port-out"),
y: (from: "src-port-out"),
direction: "south-west",
port-side: "east",
name: "[3:0]",
name-pos: "south-west",
)
// L-shape: down first, then right into dstSE.
wire.wire(
"wSE",
("tapSW-port-tapSW", "dstSE-port-in"),
style: "zigzag",
zigzag-dir: "horizontal",
zigzag-ratio: 100%,
)
})
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// Demonstrates ports on a group element.
// outside-port-names: true (default) — labels outside the group border
// outside-port-names: false — labels inside (block-style)
#import "/src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
// --- Group with port labels INSIDE (outside-port-names: false) ---
element.group(
id: "cpu",
name: "CPU (labels outside)",
name-anchor: "north",
stroke: (dash: "dashed"),
fill: util.colors.yellow.lighten(60%),
padding: 1em,
port-name-padding: .5em,
outside-port-names: true,
ports: (
west: (
(id: "in1", name: "D1"),
(id: "in2", name: "D2"),
),
east: ((id: "out", name: "Q"),),
south: (
(id: "rst", name: "RST", vertical: true),
(id: "done", name: "DONE", vertical: true),
),
),
{
element.block(
id: "reg2",
w: 2.5,
h: 3,
x: 0,
y: 0,
fill: util.colors.green,
ports: (
west: ((id: "d1"), (id: "d2")),
east: ((id: "q"),),
north: ((id: "clk", clock: true),),
),
)
},
)
// --- Group with port labels INSIDE (outside-port-names: false) ---
element.group(
id: "cpu2",
name: "CPU (labels inside)",
name-anchor: "north",
stroke: (dash: "dashed"),
fill: util.colors.yellow.lighten(60%),
padding: 4em,
outside-port-names: false,
port-name-padding: 0.5em,
ports: (
west: (
(id: "in1", name: "D1"),
(id: "in2", name: "D2"),
),
east: ((id: "out", name: "Q"),),
south: (
(id: "rst", name: "RST", vertical: true),
(id: "done", name: "DONE", vertical: true),
),
),
{
element.block(
id: "reg2",
w: 2.5,
h: 3,
x: 10,
y: 0,
fill: util.colors.green,
ports: (
west: ((id: "d1"), (id: "d2")),
east: ((id: "q"),),
north: ((id: "clk", clock: true),),
),
)
},
)
wire.stub("cpu2-port-in1", "west", name: "A")
wire.stub("cpu2-port-in2", "west", name: "B")
wire.stub("cpu2-port-out", "east", name: "Q")
})
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// Demonstrates pentagon-shaped ports.
//
// - Element-level defaults: `port-shape`, `port-kind`, `port-size`.
// - Per-port overrides: `shape`, `kind`, `size`, `stroke`, `fill`.
// - Wire endpoints connect at the outer end of each pentagon.
// - Clock ports with pentagon shape drop the clock triangle and default
// to a gray fill.
#import "/src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
// -----------------------------------------------------------------
// 1) All four sides × input/output
// -----------------------------------------------------------------
element.block(
id: "grid", w: 4, h: 4, x: 0, y: 0,
name: "sides × in/out", name-anchor: "center",
fill: util.colors.yellow.lighten(60%),
port-shape: "pentagon",
ports: (
west: (
(id: "wi", name: "W-in"),
(id: "wo", name: "W-out", kind: "out"),
),
east: (
(id: "ei", name: "E-in"),
(id: "eo", name: "E-out", kind: "out"),
),
north: (
(id: "ni", name: "N-in", vertical: true),
(id: "no", name: "N-out", kind: "out", vertical: true),
),
south: (
(id: "si", name: "S-in", vertical: true),
(id: "so", name: "S-out", kind: "out", vertical: true),
),
),
)
// -----------------------------------------------------------------
// 2) Per-port styling: fill and stroke overrides + size override
// -----------------------------------------------------------------
element.block(
id: "styled", w: 3, h: 3, x: 10, y: 0,
name: "per-port styling", name-anchor: "center",
fill: util.colors.green.lighten(40%),
port-shape: "pentagon",
ports: (
west: ((id: "a", name: "A", fill: util.colors.blue),),
east: ((id: "b", name: "B", kind: "out",
stroke: red + 1.5pt, fill: util.colors.pink),),
north: ((id: "c", name: "C", size: 1.5em),),
south: ((id: "d", name: "D", kind: "out",
fill: util.colors.orange),),
),
)
// -----------------------------------------------------------------
// 3) Clock port with pentagon → gray fill, no triangle
// -----------------------------------------------------------------
element.block(
id: "clk", w: 3, h: 2.5, x: 16, y: 0,
name: "clock + pentagon", name-anchor: "center",
fill: util.colors.orange.lighten(60%),
port-shape: "pentagon",
ports: (
west: ((id: "d", name: "D"),),
east: ((id: "q", name: "Q", kind: "out"),),
north: ((id: "clk", name: "CLK", clock: true),),
),
)
// -----------------------------------------------------------------
// 4) Two pentagon-ported blocks connected by a wire
// (wire terminates at outer edge of each pentagon)
// -----------------------------------------------------------------
element.block(
id: "src", w: 2, h: 1.5, x: 0, y: -5,
name: "src", name-anchor: "center",
fill: util.colors.pink,
port-shape: "pentagon",
ports: (east: ((id: "q", name: "Q", kind: "out"),)),
)
element.block(
id: "dst", w: 2, h: 1.5, x: 6, y: -5,
name: "dst", name-anchor: "center",
fill: util.colors.blue,
port-shape: "pentagon",
ports: (west: ((id: "d", name: "D"),)),
)
wire.wire("w-sd", ("src-port-q", "dst-port-d"))
// -----------------------------------------------------------------
// 5) Group with pentagon ports enclosing a child block
// -----------------------------------------------------------------
element.group(
id: "g", name: "group w/ pentagon ports", name-anchor: "north",
stroke: (dash: "dashed"),
fill: util.colors.purple.lighten(70%),
padding: 2em,
port-shape: "pentagon",
ports: (
west: ((id: "in", name: "IN"),),
east: ((id: "out", name: "OUT", kind: "out"),),
),
{
element.block(
id: "inner", w: 2, h: 1.5, x: 12, y: -5,
fill: util.colors.green,
ports: (west: ((id: "d"),), east: ((id: "q"),)),
)
},
)
wire.wire("wgi", ("g-port-in", "inner-port-d"))
wire.wire("wgo", ("inner-port-q", "g-port-out"))
})
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// Demonstrates the u-shape wire style.
// The u-side is auto-detected from the port anchors when both endpoints
// belong to elements (deduced from the port position vs the element's
// center anchor). It can also be set explicitly with u-side.
#import "/src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
// ---- east <-> east (auto-detected) ----
element.block(x: 0, y: 0, w: 1.5, h: 1.5, id: "eA",
fill: util.colors.orange,
ports: (east: ((id: "out"),)))
element.block(x: 0.5, y: -2.5, w: 1.5, h: 1.5, id: "eB",
fill: util.colors.orange,
ports: (east: ((id: "out"),)))
wire.wire("uEE", ("eA-port-out", "eB-port-out"),
style: "u-shape", u-depth: 0.6,
name: "E-E")
// ---- west <-> west (auto-detected) ----
element.block(x: 6, y: 0, w: 1.5, h: 1.5, id: "wA",
fill: util.colors.yellow,
ports: (west: ((id: "in"),)))
element.block(x: 6.5, y: -2.5, w: 1.5, h: 1.5, id: "wB",
fill: util.colors.yellow,
ports: (west: ((id: "in"),)))
wire.wire("uWW", ("wA-port-in", "wB-port-in"),
style: "u-shape", u-depth: 0.6,
name: "W-W")
// ---- north <-> north (auto-detected) ----
element.block(x: 10, y: -3, w: 1.5, h: 1.5, id: "nA",
fill: util.colors.green,
ports: (north: ((id: "out"),)))
element.block(x: 12.5, y: -2.5, w: 1.5, h: 1.5, id: "nB",
fill: util.colors.green,
ports: (north: ((id: "out"),)))
wire.wire("uNN", ("nA-port-out", "nB-port-out"),
style: "u-shape", u-depth: 0.6,
name: "N-N")
// ---- south <-> south (explicit u-side override) ----
element.block(x: 16, y: 0, w: 1.5, h: 1.5, id: "sA",
fill: util.colors.pink,
ports: (south: ((id: "out"),)))
element.block(x: 18.5, y: -0.5, w: 1.5, h: 1.5, id: "sB",
fill: util.colors.pink,
ports: (south: ((id: "out"),)))
wire.wire("uSS", ("sA-port-out", "sB-port-out"),
style: "u-shape", u-side: "south", u-depth: 0.6,
name: "S-S")
})
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// Demonstrates the `(rel: <number>, to: <anchor>)` shorthand for the `y`
// parameter (analogous to the existing shorthand for `x`).
#import "/src/lib.typ": circuit, element, util, wire
#set page(width: auto, height: auto, margin: .5cm)
#circuit({
// Anchor block: absolute placement.
element.block(
x: 0, y: 0, w: 2, h: 1.5,
id: "A",
fill: util.colors.orange,
ports: (east: ((id: "out"),))
)
// X relative, Y absolute (existing feature).
element.block(
x: (rel: 1, to: "A.east"), y: 0, w: 2, h: 1.5,
id: "B",
fill: util.colors.yellow,
ports: (west: ((id: "in"),), east: ((id: "out"),))
)
// Both X and Y relative to another element's anchor (new feature).
element.block(
x: (rel: 1, to: "B.east"),
y: (rel: 2, to: "B.south-west"),
w: 2, h: 1.5,
id: "C",
fill: util.colors.green,
ports: (west: ((id: "in"),))
)
// Y relative only, X absolute.
element.block(
x: 0,
y: (rel: -2.5, to: "A.south-west"),
w: 2, h: 1.5,
id: "D",
fill: util.colors.blue,
ports: (east: ((id: "out"),))
)
wire.wire("wAB", ("A-port-out", "B-port-in"))
wire.wire("wBC", ("B-port-out", "C-port-in"), style: "zigzag")
})
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@@ -1,4 +1,4 @@
#import "@preview/tidy:0.4.3"
#import "@preview/tidy:0.4.1"
#import "/src/cetz.typ": draw, canvas
#import "src/lib.typ"
#import "doc/examples.typ"
@@ -105,7 +105,7 @@ This package provides a way to make beautiful block circuit diagrams using the C
Simply import Circuiteria and call the `circuit` function:
#pad(left: 1em)[```typ
#import "@preview/circuiteria:0.2.1"
#import "@preview/circuiteria:0.2.0"
#circuiteria.circuit({
import circuiteria: *
...
@@ -195,12 +195,7 @@ If you have installed Circuiteria directly in your project, import #link("src/li
read("src/elements/logic/and.typ") + "\n" +
read("src/elements/logic/buf.typ") + "\n" +
read("src/elements/logic/or.typ") + "\n" +
read("src/elements/logic/xor.typ") + "\n" +
read("src/elements/logic/iec_gate.typ") + "\n" +
read("src/elements/logic/iec_and.typ") + "\n" +
read("src/elements/logic/iec_buf.typ") + "\n" +
read("src/elements/logic/iec_or.typ") + "\n" +
read("src/elements/logic/iec_xor.typ"),
read("src/elements/logic/xor.typ"),
name: "gates",
old-syntax: true,
scope: (
+1 -1
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@@ -1 +1 @@
#import "@preview/cetz:0.5.2": *
#import "@preview/cetz:0.3.4": *
+50 -3
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@@ -1,5 +1,5 @@
#import "/src/cetz.typ": canvas
#import "@preview/tidy:0.4.3"
#import "@preview/tidy:0.3.0"
/// Draws a block circuit diagram
///
@@ -9,5 +9,52 @@
/// - length (length, ratio): Optional base unit
/// -> none
#let circuit(body, length: 2em) = {
canvas(length: length, body)
}
let next-id = 0
let elements = (:)
let ids = ()
for e in body {
if type(e) == dictionary and "id" in e {
ids.push(e.id)
}
}
for element in body {
let internal = type(element) == dictionary and "id" in element
let eid = if internal {element.id} else {auto}
if eid == auto {
while str(next-id) in ids {
next-id += 1
}
eid = str(next-id)
ids.push(eid)
if internal {
element.id = eid
}
next-id += 1
}
if eid in elements {
panic("An element with the id '" + eid + "' already exists. Please use a different id")
}
elements.insert(eid, element)
}
for element in elements.values() {
if type(element) == dictionary and "pre-process" in element {
elements = (element.pre-process)(elements, element)
assert(
type(elements) == dictionary,
message: "The `pre-process` method of element '" + element.id + "' did not return the elements dictionary"
)
}
}
canvas(length: length, {
for element in elements.values() {
if type(element) == dictionary and "draw" in element {
(element.draw)(element)
} else {
(element,)
}
}
})
}
-5
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@@ -11,10 +11,5 @@
#import "elements/logic/or.typ": gate-or, gate-nor
#import "elements/logic/xor.typ": gate-xor, gate-xnor
#import "elements/logic/buf.typ": gate-buf, gate-not
#import "elements/logic/iec_gate.typ": iec-gate
#import "elements/logic/iec_and.typ": iec-gate-and, iec-gate-nand
#import "elements/logic/iec_buf.typ": iec-gate-buf, iec-gate-not
#import "elements/logic/iec_or.typ": iec-gate-or, iec-gate-nor
#import "elements/logic/iec_xor.typ": iec-gate-xor, iec-gate-xnor
#import "elements/group.typ": group
+38 -60
View File
@@ -1,45 +1,40 @@
#import "/src/cetz.typ": draw
#import "element.typ"
#import "ports.typ": add-port
#import "../util.typ"
#let draw-shape(elmt, bounds) = {
let tl = bounds.tl
let tr = bounds.tr
let bl = bounds.bl
let br = bounds.br
#let draw-shape(id, tl, tr, br, bl, fill, stroke) = {
let p0 = tl
let p1 = (tr, 10%, br)
let p2 = (tr, 90%, br)
let p1 = util.lerp(tr, 10%, br)
let p2 = util.lerp(tr, 90%, br)
let p3 = bl
let p4 = (tl, 55%, bl)
let p5 = (tl, 50%, br)
let p6 = (tl, 45%, bl)
let p4 = util.lerp(tl, 55%, bl)
let p5 = util.lerp(tl, 50%, br)
let p6 = util.lerp(tl, 45%, bl)
let bounds2 = element.complete-bounds(elmt, (
tl: p0,
tr: p1,
br: p2,
bl: p3
))
let f1 = draw.group(name: id, {
draw.merge-path(
inset: 0.5em,
fill: fill,
stroke: stroke,
close: true,
draw.line(p0, p1, p2, p3, p4, p5, p6)
)
draw.anchor("north", (p0, 50%, p1))
draw.anchor("south", (p2, 50%, p3))
draw.anchor("west", (p0, 50%, p3))
draw.anchor("east", (p1, 50%, p2))
draw.anchor("north-west", p0)
draw.anchor("north-east", p1)
draw.anchor("south-east", p2)
draw.anchor("south-west", p3)
draw.anchor("name", (p5, 50%, (p1, 50%, p2)))
})
let f2 = add-port(id, "west", (id: "in1"), (p0, 50%, p6))
let f3 = add-port(id, "west", (id: "in2"), (p3, 50%, p4))
let f4 = add-port(id, "east", (id: "out"), (p1, 50%, p2))
let f = {
f1; f2; f3; f4
draw.line(
p0, p1, p2, p3, p4, p5, p6,
fill: elmt.fill,
stroke: elmt.stroke,
close: true
)
draw.anchor("name", (p5, 50%, (p1, 50%, p2)))
}
return (f, tl, tr, br, bl)
return (f, bounds2)
}
/// Draws an ALU with two inputs
@@ -47,18 +42,7 @@
/// #examples.alu
/// For parameters description, see #doc-ref("element.elmt")
#let alu(
x: none,
y: none,
w: none,
h: none,
name: none,
name-anchor: "center",
fill: none,
stroke: black + 1pt,
id: "",
debug: (
ports: false
)
..args
) = {
let ports = (
west: (
@@ -70,24 +54,18 @@
)
)
element.elmt(
return element.elmt(
draw-shape: draw-shape,
x: x,
y: y,
w: w,
h: h,
name: name,
name-anchor: name-anchor,
ports: ports,
fill: fill,
stroke: stroke,
id: id,
auto-ports: false,
ports-y: (
in1: (h) => {h * 0.225},
in2: (h) => {h * 0.775},
out: (h) => {h * 0.5}
ports-pos: (
west: (
in1: l => l * 0.225,
in2: l => l * 0.775,
),
east: (
out: l => l * 0.5
)
),
debug: debug
..args
)
}
+12 -64
View File
@@ -1,77 +1,25 @@
#import "/src/cetz.typ": draw
#import "element.typ"
#let draw-shape(id, tl, tr, br, bl, fill, stroke, radius: 0.5em) = {
#let draw-shape(elmt, bounds) = {
let f = draw.rect(
radius: radius,
radius: 0.5em,
inset: 0.5em,
fill: fill,
stroke: stroke,
name: id,
bl, tr
fill: elmt.fill,
stroke: elmt.stroke,
bounds.bl, bounds.tr
)
return (f, tl, tr, br, bl)
return (f, bounds)
}
/// Draws a block element
///
/// #examples.block
///
/// Ports can be given a pentagon shape (with configurable direction, size,
/// stroke and fill) via `port-shape` and per-port overrides:
/// #examples.port-shape
///
/// Port name labels can be placed outside the block via `port-names-outside`:
/// #examples.port-names-outside
/// For other parameters description, see #doc-ref("element.elmt")
/// - radius (number, length, ratio, dictionary): The corner radius of the block. See CeTZ documentation for more information
/// - shell (bool): If true, the block behaves like a shell/container (analogous to a group): port name labels default to being drawn outside the block, and wires attach to the inside tip of pentagon-shaped ports. See #doc-ref("element.elmt")
///
/// Use `shell: true` to wrap child elements inside a bordered container without
/// having ports overlap the interior:
/// #examples.shell
/// For parameters description, see #doc-ref("element.elmt")
#let block(
..args,
x: none,
y: none,
w: none,
h: none,
name: none,
name-anchor: "center",
ports: (),
ports-margins: (),
port-name-padding: 2pt,
port-names-outside: auto,
port-shape: none,
port-kind: "in",
port-size: 1em,
fill: none,
radius: 0.5em,
stroke: black + 1pt,
id: "",
shell: false,
debug: (
ports: false
)
..args
) = element.elmt(
draw-shape: draw-shape.with(radius: radius),
body: if args.pos().len() > 0 { args.pos().first() } else { none },
x: x,
y: y,
w: w,
h: h,
name: name,
name-anchor: name-anchor,
ports: ports,
ports-margins: ports-margins,
port-name-padding: port-name-padding,
port-names-outside: port-names-outside,
port-shape: port-shape,
port-kind: port-kind,
port-size: port-size,
fill: fill,
stroke: stroke,
id: id,
shell: shell,
debug: debug
)
cls: "block",
draw-shape: draw-shape,
..args
)
+268 -121
View File
@@ -1,5 +1,5 @@
#import "/src/cetz.typ": draw, coordinate
#import "ports.typ": add-ports, add-port
#import "/src/cetz.typ": draw, coordinate, matrix, vector
#import "ports.typ": add-ports, add-port, get-port-pos, get-port-idx
#import "../util.typ"
#let find-port(ports, id) = {
@@ -10,13 +10,234 @@
}
}
}
panic("Could not find port with id " + str(id))
panic("Could not find port with id '" + str(id) + "' in ports " + repr(ports))
}
#let default-draw-shape(id, tl, tr, br, bl, fill, stroke) = {
return ({}, tl, tr, br, bl)
#let local-to-global(origin, u, v, points) = {
return points-real = points.map(p => {
let (pu, pv) = p
return vector.add(
origin,
vector.add(
vector.scale(u, pu),
vector.scale(v, pv)
)
)
})
}
#let default-draw-shape(elmt, bounds) = {
return ({}, bounds)
}
#let default-pre-process(elements, element) = {
return elements
}
#let resolve-offset(ctx, offset, from, axis) = {
let (ctx, pos) = coordinate.resolve(
ctx,
(rel: offset, to: from)
)
return pos.at(axis)
}
#let resolve-align(ctx, elmt, bounds, align, with, axis) = {
let (align-side, i) = find-port(elmt.ports, align)
let margins = (0%, 0%)
if align-side in elmt.ports-margins {
margins = elmt.ports-margins.at(align-side)
}
let parallel-sides = (
("north", "south"),
("west", "east")
).at(axis)
let ortho-sides = (
("west", "east"),
("north", "south")
).at(axis)
let dl
let start-margin
let len = elmt.size.at(axis)
if align-side in parallel-sides {
let used-pct = 100% - margins.at(0) - margins.at(1)
let used-len = len * used-pct / 100%
start-margin = len * margins.at(0) / 100%
//dl = used-len * (i + 1) / (elmt.ports.at(align-side).len() + 1)
dl = get-port-pos(elmt, bounds, align-side, align, get-port-idx(elmt, align, side: align-side))
/*if not elmt.auto-ports {
start-margin = 0
dl = elmt.ports-pos.at(align)(len)
}*/
} else if align-side == ortho-sides.first() {
dl = 0
start-margin = 0
} else {
dl = len
start-margin = 0
}
if axis == 1 {
dl = len - dl
}
let (ctx, with-pos) = coordinate.resolve(ctx, with)
return with-pos.at(axis) - dl + start-margin
}
#let resolve-coordinate(ctx, elmt, bounds, coord, axis) = {
if type(coord) == dictionary {
let offset = coord.at("offset", default: none)
let from = coord.at("from", default: none)
let align = coord.at("align", default: none)
let with = coord.at("with", default: none)
if none not in (offset, from) {
if type(offset) != array {
let a = (0, 0)
a.at(axis) = offset
offset = a
}
return resolve-offset(ctx, offset, from, axis)
} else if none not in (align, with) {
return resolve-align(ctx, elmt, bounds, align, with, axis)
} else {
panic("Dictionnary must either provide both 'offset' and 'from', or 'align' and 'with'")
}
}
if type(coord) not in (int, float, length) {
panic("Invalid " + "xy".at(axis) + " coordinate: " + repr(coord))
}
return coord
}
#let complete-bounds(elmt, bounds) = {
let b = bounds
bounds += (
center: (
(b.br.at(0) + b.tl.at(0))/2,
(b.br.at(1) + b.tl.at(1))/2
),
b: (
(b.br.at(0) + b.bl.at(0))/2,
(b.br.at(1) + b.bl.at(1))/2
),
t: (
(b.tr.at(0) + b.tl.at(0))/2,
(b.tr.at(1) + b.tl.at(1))/2
),
l: (
(b.bl.at(0) + b.tl.at(0))/2,
(b.bl.at(1) + b.tl.at(1))/2
),
r: (
(b.br.at(0) + b.tr.at(0))/2,
(b.br.at(1) + b.tr.at(1))/2
),
sides: (
north: (bounds.tl, bounds.tr),
south: (bounds.bl, bounds.br),
west: (bounds.tl, bounds.bl),
east: (bounds.tr, bounds.br),
),
lengths: (
north: (bounds.tr.at(0) - bounds.tl.at(0)),
south: (bounds.br.at(0) - bounds.bl.at(0)),
west: (bounds.tl.at(1) - bounds.bl.at(1)),
east: (bounds.tr.at(1) - bounds.br.at(1)),
),
ports: (:)
)
for (side, props) in bounds.sides.pairs() {
let props2 = props
if side in elmt.ports-margins {
let (pt0, pt1) = props
let margins = elmt.ports-margins.at(side)
let a = util.lerp(pt0, margins.at(0), pt1)
let b = util.lerp(pt0, 100% - margins.at(1), pt1)
props2 = (a, b)
}
bounds.ports.insert(side, props2)
}
return bounds
}
#let make-bounds(elmt, x, y, w, h) = {
let w2 = w / 2
let h2 = h / 2
let bounds = (
bl: (x, y),
tl: (x, y + h),
tr: (x + w, y + h),
br: (x + w, y),
)
return complete-bounds(elmt, bounds)
}
#let render(draw-shape, elmt) = draw.group(name: elmt.id, ctx => {
let width = elmt.size.first()
let height = elmt.size.last()
let x = elmt.pos.first()
let y = elmt.pos.last()
let bounds = make-bounds(elmt, 0, 0, width, height)
x = resolve-coordinate(ctx, elmt, bounds, x, 0)
y = resolve-coordinate(ctx, elmt, bounds, y, 1)
bounds = make-bounds(elmt, x, y, width, height)
// Workaround because CeTZ needs to have all draw functions in the body
let func = {}
let res = draw-shape(elmt, bounds)
assert(
type(res) == array and res.len() == 2,
message: "The drawing function of element '" + elmt.id + "' did not return a function and new bounds"
)
(func, bounds) = res
if type(func) == function {
func = (func,)
}
assert(
type(bounds) == dictionary,
message: "The drawing function of element '" + elmt.id + "' did not return the correct bounds dictionary"
)
func
draw.anchor("north", bounds.t)
draw.anchor("south", bounds.b)
draw.anchor("west", bounds.l)
draw.anchor("east", bounds.r)
draw.anchor("north-west", bounds.tl)
draw.anchor("north-east", bounds.tr)
draw.anchor("south-east", bounds.br)
draw.anchor("south-west", bounds.bl)
if elmt.name != none {
draw.content(
(name: elmt.id, anchor: elmt.name-anchor),
anchor: if elmt.name-anchor in util.valid-anchors {elmt.name-anchor} else {"center"},
padding: 0.5em,
align(center)[*#elmt.name*]
)
}
add-ports(elmt, bounds)
if elmt.debug.bounds {
draw.line(
bounds.tl, bounds.tr, bounds.br, bounds.bl,
stroke: red,
close: true
)
}
})
/// Draws an element
/// - draw-shape (function): Draw function
/// - x (number, dictionary): The x position (bottom-left corner).
@@ -24,9 +245,7 @@
/// If it is a dictionary, it should be in the format `(rel: number, to: str)`, where `rel` is the offset and `to` the base anchor
/// - y (number, dictionary): The y position (bottom-left corner).
///
/// If it is a dictionary, it can take one of two forms:
/// - `(rel: number, to: str)`: `rel` is the y offset and `to` the base anchor (analogous to `x`)
/// - `(from: str, to: str)`: `from` is the base anchor and `to` is the id of the port to align with the anchor
/// If it is a dictionary, it should be in the format `(from: str, to: str)`, where `from` is the base anchor and `to` is the id of the port to align with the anchor
/// - w (number): Width of the element
/// - h (number): Height of the element
/// - name (none, str): Optional name of the block
@@ -36,142 +255,70 @@
/// - `name` (`str`): Optional name displayed *in* the block
/// - `clock` (`bool`): Whether it is a clock port (triangle symbol)
/// - `vertical` (`bool`): Whether the name should be drawn vertically
/// - `align-with` (`str`, `dictionary`): Optional. Reuse another port's placement coordinate (east/west: y, north/south: x). Accepted forms: `"<local-id>"` (same-element port; axis must match, transitively resolved, cycles panic), `(element: "<id>", port: "<id>")` (cross-element; axis not validated; target element must be drawn first), or `"<raw-anchor>"` (any unrecognised string is used as a CeTZ anchor name). See #examples.align-with-ports
/// - `x` (length, ratio, function): Optional. North/south ports only. Explicit x-offset override measured from the left corner of the side. A `ratio` is used as a percentage along the side; a length/number is used as an absolute offset; a function is called with the element width and must return a length/number. Panics if used together with `align-with` or on an east/west port.
/// - `y` (length, ratio, function): Optional. East/west ports only. Analogous to `x`, measured from the top corner of the side and called with the element height when a function is passed.
/// - ports-margins (dictionary): Dictionary of ports margins (used with automatic port placement). They keys are cardinal directions ("north", "east", "south", "west"). The values are tuples of (`<start>`, `<end>`) margins (numbers)
/// - port-name-padding (number, length): Padding between the port name label and the port anchor point (default `2pt`)
/// - port-names-outside (bool, auto): If true, port name labels are drawn on the outside of the block instead of the inside. When `auto` (default), follows the `shell` setting (outside if `shell: true`, inside otherwise)
/// - port-shape (none, str): Default port shape for all ports of this element. Set to `"pentagon"` to draw pentagon-shaped ports. Overridable per port via the port's `shape` field. See #examples.port-shape
/// - port-kind (str): Default direction of ports (`"in"` or `"out"`). Overridable per port via the port's `kind` field
/// - port-size (length): Default unit size of pentagon-shaped ports (default `1em`). Overridable per port via the port's `size` field
/// - fill (none, color): Fill color
/// - stroke (stroke): Border stroke
/// - id (str): The block id (for future reference)
/// - auto-ports (bool): Whether to use auto port placements or not. If false, `draw-shape` is responsible for adding the appropiate ports
/// - ports-y (dictionary): Dictionary of the ports y offsets (used with `auto-ports: false`)
/// - shell (bool): If true, the block behaves like a shell/container (analogous to a group): port name labels default to being drawn *outside* the block border, and wires attach to the *inside* tip of pentagon-shaped ports instead of the outside base. Useful for wrapping child elements without having ports overlap them (default `false`)
/// - debug (dictionary): Dictionary of debug options.
///
/// Supported fields include:
/// - `ports`: if true, shows dots on all ports of the element
#let elmt(
cls: "element",
draw-shape: default-draw-shape,
x: none,
y: none,
w: none,
h: none,
pre-process: default-pre-process,
pos: (0, 0),
size: (1, 1),
name: none,
name-anchor: "center",
ports: (:),
ports-margins: (:),
port-name-padding: 2pt,
port-names-outside: auto,
port-shape: none,
port-kind: "in",
port-size: 1em,
fill: none,
stroke: black + 1pt,
id: "",
auto-ports: true,
ports-y: (:),
shell: false,
body: none,
id: auto,
ports-pos: auto,
debug: (
bounds: false,
ports: false
)
) = draw.get-ctx(ctx => {
let width = w
let height = h
let x = x
let y = y
if x == none { panic("Parameter x must be set") }
if y == none { panic("Parameter y must be set") }
if w == none { panic("Parameter w must be set") }
if h == none { panic("Parameter h must be set") }
if (type(x) == dictionary) {
x = util.resolve-rel-coord(ctx, x, 0)
}
if (type(y) == dictionary and "rel" in y) {
y = util.resolve-rel-coord(ctx, y, 1)
} else if (type(y) == dictionary) {
let from = y.from
let to = y.to
let (to-side, i) = find-port(ports, to)
let margins = (0%, 0%)
if to-side in ports-margins {
margins = ports-margins.at(to-side)
),
extra: (:)
) = {
for (key, side-ports) in ports.pairs() {
if type(side-ports) == str {
side-ports = ((id: side-ports),)
} else if type(side-ports) == dictionary {
side-ports = (side-ports,)
}
let dy
let top-margin
if to-side in ("east", "west") {
let used-pct = 100% - margins.at(0) - margins.at(1)
let used-height = height * used-pct / 100%
top-margin = height * margins.at(0) / 100%
dy = used-height * (i + 1) / (ports.at(to-side).len() + 1)
if not auto-ports {
top-margin = 0
dy = ports-y.at(to)(height)
for (i, port) in side-ports.enumerate() {
if type(port) == array {
side-ports.at(i) = (
id: port.at(0, default: ""),
name: port.at(1, default: "")
)
} else if type(port) == str {
side-ports.at(i) = (id: port)
}
} else if to-side == "north" {
dy = 0
top-margin = 0
} else if to-side == "south" {
dy = height
top-margin = 0
}
let (ctx, from-pos) = coordinate.resolve(ctx, from)
y = from-pos.at(1) + dy - height + top-margin
ports.at(key) = side-ports
}
let tl = (x, y + height)
let tr = (x + width, y + height)
let br = (x + width, y)
let bl = (x, y)
// Workaround because CeTZ needs to have all draw functions in the body
let func = {}
(func, tl, tr, br, bl) = draw-shape(id, tl, tr, br, bl, fill, stroke)
func
if (name != none) {
draw.content(
(name: id, anchor: name-anchor),
anchor: if name-anchor in util.valid-anchors {name-anchor} else {"center"},
padding: 0.5em,
align(center)[*#name*]
)
}
if auto-ports {
let outside-name = if port-names-outside == auto { shell } else { port-names-outside }
add-ports(
id,
tl, tr, br, bl,
ports,
ports-margins,
width: width,
height: height,
debug: debug.ports,
name-padding: port-name-padding,
outside-name: outside-name,
port-shape: port-shape,
port-kind: port-kind,
port-size: port-size,
elmt-stroke: stroke,
elmt-fill: fill,
wire-inside: shell,
)
}
if body != none {
body
}
})
return ((
cls: cls,
id: id,
draw: render.with(draw-shape),
pre-process: pre-process,
pos: pos,
size: size,
name: name,
name-anchor: name-anchor,
ports: ports,
ports-margins: ports-margins,
fill: fill,
stroke: stroke,
ports-pos: ports-pos,
debug: debug
) + extra,)
}
+33 -75
View File
@@ -1,41 +1,25 @@
#import "/src/cetz.typ": draw
#import "element.typ"
#import "ports.typ": add-port
#import "../util.typ"
#let draw-shape(id, tl, tr, br, bl, fill, stroke, h-ratio: 75%, align-out: true) = {
let (x, y) = bl
let (width, height) = (tr.at(0) - x, tr.at(1) - y)
#let draw-shape(elmt, bounds) = {
let ratio = elmt.l-ratio / 100%
let tl2 = util.lerp(bounds.bl, elmt.l-ratio, bounds.tl)
let bounds2 = element.complete-bounds(elmt, (
tl: tl2,
tr: bounds.tr,
br: bounds.br,
bl: bounds.bl,
))
let ratio = h-ratio / 100%
tl = (x, y + height * ratio)
let tr2 = (x + width, y + height * ratio)
let br = (x + width, y)
if align-out {
(tr, tr2) = (tr2, tr)
} else {
(tr, tr2) = (tr, tr)
}
let f = draw.group(name: id, {
draw.merge-path(
inset: 0.5em,
fill: fill,
stroke: stroke,
close: true,
draw.line(tl, tr2, br, bl)
)
draw.anchor("north", (tl, 50%, tr2))
draw.anchor("south", (bl, 50%, br))
draw.anchor("west", (tl, 50%, bl))
draw.anchor("east", (tr2, 50%, br))
draw.anchor("north-west", tl)
draw.anchor("north-east", tr2)
draw.anchor("south-east", br)
draw.anchor("south-west", bl)
})
return (f, tl, tr, br, bl)
let f = draw.line(
bounds2.tl, bounds2.tr, bounds2.br, bounds2.bl,
fill: elmt.fill,
stroke: elmt.stroke,
close: true
)
return (f, bounds2)
}
/// Draws a bit extender
@@ -45,54 +29,28 @@
/// - h-ratio (ratio): The height ratio of the left side relative to the full height
/// - align-out (bool): If true, the output and input ports are aligned, otherwise, the output port is centered on the right side
#let extender(
x: none,
y: none,
w: none,
h: none,
name: none,
name-anchor: "center",
fill: none,
stroke: black + 1pt,
id: "",
h-ratio: 75%,
l-ratio: 75%,
align-out: true,
debug: (
ports: false
)
..args
) = {
let ports = (
west: (
(id: "in"),
),
east: (
(id: "out"),
)
west: ((id: "in"),),
east: ((id: "out"),)
)
let out-pct = if align-out {h-ratio / 2} else {50%}
let ports-y = (
"in": (h) => {h - h * (h-ratio / 200%)},
"out": (h) => {h - h * (out-pct / 100%)}
let out-pct = if align-out {l-ratio / 2} else {50%}
let ports-pos = (
"east": (l, i) => {l - l * (out-pct / 100%)}
)
element.elmt(
draw-shape: draw-shape.with(h-ratio: h-ratio, align-out: align-out),
x: x,
y: y,
w: w,
h: h,
name: name,
name-anchor: name-anchor,
return element.elmt(
cls: "extender",
draw-shape: draw-shape,
ports: ports,
auto-ports: false,
ports-y: ports-y,
fill: fill,
stroke: stroke,
id: id,
debug: debug
ports-pos: ports-pos,
extra: (
l-ratio: l-ratio,
align-out: align-out
),
..args
)
let in-pos = (rel: (0, h * (h-ratio / 200%)), to: id+".south-west")
let out-pos = (id+".south-east", out-pct, id+".north-east")
add-port(id, "west", ports.west.first(), in-pos)
add-port(id, "east", ports.east.first(), out-pos)
}
+1 -44
View File
@@ -1,15 +1,9 @@
#import "/src/cetz.typ": draw, coordinate
#import "../util.typ"
#import "ports.typ": add-ports
/// Draws a group of elements
///
/// #examples.group
///
/// Ports can also be defined on a group, just like on a block. By default
/// port labels are drawn *outside* the group border so they do not overlap
/// child elements. Set `outside-port-names: false` to draw them inside.
/// #examples.group-ports
/// - body (elements, function): Elements to group
/// - id (str): see #doc-ref("element.elmt")
/// - name (str): The group's name
@@ -22,14 +16,6 @@
/// - array: either (`<all>`,), (`<vertical>`, `<horizontal>`) or (`<top>`, `<right>`, `<bottom>`, `<left>`)
/// - dictionary: valid keys are "top", "right", "bottom" and "left"
/// - radius (number): The corner radius
/// - ports (dictionary): see #doc-ref("element.elmt")
/// - ports-margins (dictionary): see #doc-ref("element.elmt")
/// - outside-port-names (bool): If `true` (default), port name labels are drawn outside the group border so they do not overlap child elements. Set to `false` to draw labels inside, matching the block behaviour
/// - port-name-padding (number, length): Padding between the port name label and the group border (default `2pt`). Accepts anything CeTZ accepts as `padding` (number or length)
/// - port-shape (none, str): see #doc-ref("element.elmt")
/// - port-kind (str): see #doc-ref("element.elmt")
/// - port-size (length): see #doc-ref("element.elmt")
/// - debug (dictionary): see #doc-ref("element.elmt")
#let group(
body,
id: "",
@@ -38,17 +24,7 @@
fill: none,
stroke: black + 1pt,
padding: 0.5em,
radius: 0.5em,
ports: (:),
ports-margins: (:),
outside-port-names: true,
port-name-padding: 2pt,
port-shape: none,
port-kind: "in",
port-size: 1em,
debug: (
ports: false
)
radius: 0.5em
) = {
let min-x = none
let max-x = none
@@ -92,25 +68,6 @@
stroke: stroke,
fill: fill
)
add-ports(
id,
id + ".north-west",
id + ".north-east",
id + ".south-east",
id + ".south-west",
ports,
ports-margins,
debug: debug.ports,
outside-name: outside-port-names,
name-padding: port-name-padding,
port-shape: port-shape,
port-kind: port-kind,
port-size: port-size,
elmt-stroke: stroke,
elmt-fill: fill,
)
if name != none {
draw.content(
id + "." + name-anchor,
+5 -11
View File
@@ -1,5 +1,4 @@
#import "/src/cetz.typ": draw, coordinate
#import "/src/util.typ"
#import "../ports.typ": add-ports, add-port
#import "../element.typ"
@@ -50,12 +49,13 @@
if h == none { panic("Parameter h must be set") }
if (type(x) == dictionary) {
x = util.resolve-rel-coord(ctx, x, 0)
let offset = x.rel
let to = x.to
let (ctx, to-pos) = coordinate.resolve(ctx, (rel: (offset, 0), to: to))
x = to-pos.at(0)
}
if (type(y) == dictionary and "rel" in y) {
y = util.resolve-rel-coord(ctx, y, 1)
} else if (type(y) == dictionary) {
if (type(y) == dictionary) {
let from = y.from
let to = y.to
@@ -63,12 +63,6 @@
if to == "out" {
dy = height / 2
} else {
let all-ports = range(inputs).map(i => "in" + str(i))
let i = all-ports.position(p => p == to)
assert(
i != none,
message: "Unknown port '" + y.to + "' must be one of " + repr(all-ports)
)
dy = height * (i + 0.5) / inputs
}
-70
View File
@@ -1,70 +0,0 @@
#import "/src/cetz.typ": draw
// #import "iec_gate.typ" as iec-gate
#import "iec_gate.typ" as iec-gate
/// Draws an IEC-AND gate. This function is also available as `element.iec-gate-and()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-and
#let iec-gate-and(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
),
) = {
iec-gate.iec-gate(
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: inverted,
debug: debug,
symbol: $amp$,
)
}
/// Draws an IEC-NAND gate. This function is also available as `element.iec-gate-nand()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-nand
#let iec-gate-nand(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
),
) = {
iec-gate-and(
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,
)
}
-68
View File
@@ -1,68 +0,0 @@
#import "/src/cetz.typ": draw
#import "iec_gate.typ" as iec-gate
/// Draws an IEC buffer gate. This function is also available as `element.iec-gate-buf()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-buf
#let iec-gate-buf(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false,
),
) = {
iec-gate.iec-gate(
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: inverted,
debug: debug,
symbol: "1",
)
}
/// Draws an IEC NOT gate. This function is also available as `element.iec-gate-not()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-not
#let iec-gate-not(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false,
),
) = {
iec-gate-buf(
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,
)
}
-125
View File
@@ -1,125 +0,0 @@
#import "/src/cetz.typ": draw, coordinate
#import "/src/util.typ"
#import "../ports.typ": add-ports, add-port
#import "../element.typ"
#let default-draw-shape(id, tl, tr, br, bl, fill, stroke, symbol) = {
let shapes = draw.rect(
inset: 0.5em,
fill: fill,
stroke: stroke,
name: id,
bl, tr
)
shapes += draw.content(
id + ".center",
[*$ symbol $*]
)
return (shapes, tl, tr, br, bl)
}
/// Draws a logic gate. This function is also available as `element.iec-gate()`
///
/// - draw-shape (function): see #doc-ref("element.elmt")
/// - x (number, dictionary): see #doc-ref("element.elmt")
/// - y (number, dictionary): see #doc-ref("element.elmt")
/// - w (number): see #doc-ref("element.elmt")
/// - h (number): see #doc-ref("element.elmt")
/// - inputs (int): The number of inputs
/// - fill (none, color): see #doc-ref("element.elmt")
/// - stroke (stroke): see #doc-ref("element.elmt")
/// - id (str): see #doc-ref("element.elmt")
/// - inverted (str, array): Either "all" or an array of port ids to display as inverted
/// - inverted-radius (number): The radius of inverted ports dot
/// - debug (dictionary): see #doc-ref("element.elmt")
/// - symbol (str): The symbol to display at the center of the gate
#let iec-gate(
draw-shape: default-draw-shape,
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
inverted-radius: 0.1,
debug: (
ports: false
),
symbol: "",
) = draw.get-ctx(ctx => {
let width = w
let height = h
let x = x
let y = y
if x == none { panic("Parameter x must be set") }
if y == none { panic("Parameter y must be set") }
if w == none { panic("Parameter w must be set") }
if h == none { panic("Parameter h must be set") }
if (type(x) == dictionary) {
x = util.resolve-rel-coord(ctx, x, 0)
}
if (type(y) == dictionary and "rel" in y) {
y = util.resolve-rel-coord(ctx, y, 1)
} else if (type(y) == dictionary) {
let from = y.from
let to = y.to
let dy
if to == "out" {
dy = height / 2
} else {
dy = height * (i + 0.5) / inputs
}
let (ctx, from-pos) = coordinate.resolve(ctx, from)
y = from-pos.at(1) + dy - height
}
let tl = (x, y + height)
let tr = (x + width, y + height)
let br = (x + width, y)
let bl = (x, y)
// Workaround because CeTZ needs to have all draw functions in the body
let func = {}
(func, tl, tr, br, bl) = draw-shape(id, tl, tr, br, bl, fill, stroke, symbol)
func
let space = 100% / inputs
for i in range(inputs) {
let pct = (i + 0.5) * space
let port-pos = (tl, pct, bl)
let port-name = "in" + str(i)
if inverted == "all" or port-name in inverted {
draw.circle(
port-pos,
radius: inverted-radius,
anchor: "east",
stroke: stroke
)
port-pos = (rel: (-2 * inverted-radius, 0), to: port-pos)
}
add-port(
id, "west",
(id: port-name), port-pos,
debug: debug.ports
)
}
let out-pos = id + ".east"
if inverted == "all" or "out" in inverted {
draw.circle(out-pos, radius: inverted-radius, anchor: "west", stroke: stroke)
out-pos = (rel: (2 * inverted-radius, 0), to: out-pos)
}
add-port(
id, "east",
(id: "out"), out-pos,
debug: debug.ports
)
})
-67
View File
@@ -1,67 +0,0 @@
#import "/src/cetz.typ": draw
#import "iec_gate.typ" as iec-gate
/// Draws an IEC-OR gate. This function is also available as `element.iec-gate-or()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-or
#let iec-gate-or(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
iec-gate.iec-gate(
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: inverted,
debug: debug,
symbol: $>= 1$,
)
}
/// Draws an IEC-NOR gate. This function is also available as `element.iec-gate-nor()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-nor
#let iec-gate-nor(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
iec-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
)
}
-67
View File
@@ -1,67 +0,0 @@
#import "/src/cetz.typ": draw
#import "iec_gate.typ" as iec-gate
/// Draws an IEC-XOR gate. This function is also available as `element.iec-gate-xor()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-xor
#let iec-gate-xor(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
iec-gate.iec-gate(
x: x,
y: y,
w: w,
h: h,
inputs: inputs,
fill: fill,
stroke: stroke,
id: id,
inverted: inverted,
debug: debug,
symbol: $= 1$,
)
}
/// Draws an IEC-XNOR gate. This function is also available as `element.iec-gate-xnor()`
///
/// For parameters, see #doc-ref("gates.iec-gate")
/// #examples.iec-gate-xnor
#let iec-gate-xnor(
x: none,
y: none,
w: none,
h: none,
inputs: 2,
fill: none,
stroke: black + 1pt,
id: "",
inverted: (),
debug: (
ports: false
)
) = {
iec-gate-xor(
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
)
}
+34 -59
View File
@@ -3,29 +3,24 @@
#import "element.typ"
#import "ports.typ": add-port
#let draw-shape(id, tl, tr, br, bl, fill, stroke, h-ratio: 60%) = {
let margin = (100% - h-ratio) / 2
let tr2 = (tr, margin, br)
let br2 = (br, margin, tr)
let f = draw.group(name: id, {
draw.merge-path(
inset: 0.5em,
fill: fill,
stroke: stroke,
close: true,
draw.line(tl, tr2, br2, bl)
)
draw.anchor("north", (tl, 50%, tr2))
draw.anchor("south", (bl, 50%, br2))
draw.anchor("west", (tl, 50%, bl))
draw.anchor("east", (tr2, 50%, br2))
draw.anchor("north-west", tl)
draw.anchor("north-east", tr2)
draw.anchor("south-east", br2)
draw.anchor("south-west", bl)
})
#let draw-shape(elmt, bounds) = {
let margin = (100% - elmt.l-ratio) / 2
let tr2 = util.lerp(bounds.tr, margin, bounds.br)
let br2 = util.lerp(bounds.br, margin, bounds.tr)
let bounds2 = element.complete-bounds(elmt, (
tl: bounds.tl,
bl: bounds.bl,
tr: tr2,
br: br2,
))
let f = draw.line(
bounds2.tl, bounds2.tr, bounds2.br, bounds2.bl,
close: true,
fill: elmt.fill,
stroke: elmt.stroke
)
return (f, tl, tr, br, bl)
return (f, bounds2)
}
/// Draws a multiplexer
@@ -35,64 +30,44 @@
/// - entries (int, array): If it is an integer, it defines the number of input ports (automatically named with their binary index). If it is an array of strings, it defines the name of each input.
/// - h-ratio (ratio): The height ratio of the right side relative to the full height
#let multiplexer(
x: none,
y: none,
w: none,
h: none,
name: none,
name-anchor: "center",
entries: 2,
h-ratio: 60%,
fill: none,
stroke: black + 1pt,
id: "",
debug: (
ports: false
)
l-ratio: 60%,
..args
) = {
let ports = ()
let ports-y = (
out: (h) => {h * 0.5}
let in-ports = ()
let ports-pos = (
"east": auto,
)
if (type(entries) == int) {
let nbits = calc.ceil(calc.log(entries, base: 2))
for i in range(entries) {
let bits = util.lpad(str(i, base: 2), nbits)
ports.push((id: "in" + str(i), name: bits))
in-ports.push((id: "in" + str(i), name: bits))
}
} else {
for (i, port) in entries.enumerate() {
ports.push((id: "in" + str(i), name: port))
in-ports.push((id: "in" + str(i), name: port))
}
}
let space = 100% / ports.len()
let l = ports.len()
for (i, port) in ports.enumerate() {
ports-y.insert(port.id, (h) => {h * (i + 0.5) / l})
}
let n = in-ports.len()
ports-pos.insert("west", (l, i) => {l * (i + 0.5) / n})
element.elmt(
draw-shape: draw-shape.with(h-ratio: h-ratio),
x: x,
y: y,
w: w,
h: h,
name: name,
name-anchor: name-anchor,
ports: (west: ports, east: ((id: "out"),)),
fill: fill,
stroke: stroke,
id: id,
ports-y: ports-y,
auto-ports: false,
debug: debug
cls: "multiplexer",
draw-shape: draw-shape,
ports: (west: in-ports, east: ((id: "out"),)),
ports-pos: ports-pos,
extra: (l-ratio: l-ratio),
..args
)
/*
for (i, port) in ports.enumerate() {
let pct = (i + 0.5) * space
add-port(id, "west", port, (id+".north-west", pct, id+".south-west"))
}
add-port(id, "east", (id: "out"), (id+".north-east", 50%, id+".south-east"))
*/
}
+125 -318
View File
@@ -1,105 +1,113 @@
#import "/src/cetz.typ": draw
#import "../util.typ": rotate-anchor, opposite-anchor, port-shape-vertices
#import "../util.typ": rotate-anchor
#let get-port-side(elmt, port) = {
for (side, ports) in elmt.ports {
for p in ports {
if p.id == port {
return side
}
}
}
panic(
"Unknown port '" + port + "' on element '" + elmt.id + "', could not automatically determine side"
)
}
#let get-port-idx(elmt, port, side: auto) = {
if side == auto {
side = get-port-side(elmt, port)
}
assert(
side in elmt.ports,
message: "No ports on side '" + side + "' of element '" + elmt.id + "'"
)
let i = elmt.ports.at(side).position(p => p.id == port)
assert(
i != none,
message: "Could not find port '" + port + "' on side '" + side + "' of element '" + elmt.id + "'"
)
return i
}
#let get-port-pos(elmt, bounds, side, port, port-i) = {
let (pt0, pt1) = bounds.ports.at(side)
let side-len = if side in ("north", "south") {
pt1.at(0) - pt0.at(0)
} else {
pt0.at(1) - pt1.at(1)
}
let offset = if (
elmt.ports-pos == auto or
elmt.ports-pos.at(side, default: auto) == auto
) {
let space = 100% / (elmt.ports.at(side, default: ()).len() + 1)
(port-i + 1) * space
} else {
assert(
side in elmt.ports-pos,
message: "Could not reliably compute port position (missing side)"
)
let side-pos = elmt.ports-pos.at(side)
if type(side-pos) == function {
(side-pos)(side-len, port-i)
} else if type(side-pos) == array {
(side-pos.at(i))(side-len)
} else if type(side-pos) == dictionary {
assert(
port in side-pos,
message: "Could not reliably compute port position (missing port)"
)
(side-pos.at(port))(side-len)
} else {
panic("Could not reliably compute port position (invalid type)")
}
}
if type(offset) == ratio {
offset = offset * side-len / 100%
}
return offset
}
#let add-port(
elmt-id, side, port, pos,
prev: none,
next: none,
debug: false,
outside-name: false,
name-padding: 2pt,
port-shape: none,
port-kind: "in",
port-size: 1em,
elmt-stroke: black + 1pt,
elmt-fill: none,
wire-inside: false,
debug: false
) = {
let name = port.at("name", default: "")
let name-rotate = port.at("vertical", default: false)
let is-clock = port.at("clock", default: false)
// Per-port overrides fall back to element-level defaults.
let shape = port.at("shape", default: port-shape)
let kind = port.at("kind", default: port-kind)
let size = port.at("size", default: port-size)
let shape-stroke = port.at("stroke", default: elmt-stroke)
// Pentagon fill defaults to the element's fill (so the pentagon covers the
// block-border segment it crosses). Clock ports default to gray. Per-port
// `fill` overrides both.
let shape-fill = port.at("fill",
default: if is-clock and shape == "pentagon" { gray } else { elmt-fill })
// When shape is enabled, wire-connection anchor moves outside the block, and
// inside-name labels reference the inner tip/base; otherwise both collapse to
// the boundary point (unchanged behaviour).
let outer-pos = pos
let inner-pos = pos
if shape == "pentagon" {
let sh = port-shape-vertices(side, kind, size)
let v = sh.vertices.map(off => (rel: off, to: pos))
// Draw pentagon on a higher layer so it always renders on top of wires
// and neighbouring elements.
draw.on-layer(1, draw.line(
v.at(0), v.at(1), v.at(2), v.at(3), v.at(4),
close: true,
stroke: shape-stroke,
fill: shape-fill,
))
outer-pos = (rel: sh.outer, to: pos)
inner-pos = (rel: sh.inner, to: pos)
} else if is-clock {
if (port.at("clock", default: false)) {
if prev == none or next == none {
panic("Clock port must have previous and next positions")
}
let csize = if port.at("small", default: false) {8pt} else {1em}
let size = if port.at("small", default: false) {8pt} else {1em}
let offset
if (side == "north") { offset = ( 0, -csize) }
else if (side == "east") { offset = (-csize, 0) }
else if (side == "south") { offset = ( 0, csize) }
else if (side == "west") { offset = ( csize, 0) }
if (side == "north") { offset = ( 0, -size) }
else if (side == "east") { offset = (-size, 0) }
else if (side == "south") { offset = ( 0, size) }
else if (side == "west") { offset = ( size, 0) }
let pos1 = (rel: offset, to: pos)
// TODO: use context or vectors to have the height relative to the width
draw.line(prev, pos1, next)
}
// When outside-name is true (e.g. for groups) the label is placed on the
// exterior of the element border so it does not overlap child elements.
// Horizontal labels: anchor = opposite of the side (e.g. east port → west-anchored text, outside).
// Vertical labels: same opposite side but rotated 90°, keeping text readable.
let name-anchor = if outside-name {
if name-rotate { rotate-anchor(opposite-anchor(side)) }
else { opposite-anchor(side) }
} else {
if name-rotate { rotate-anchor(side) } else { side }
}
// Label sits at the outer edge of the shape for outside-name, inner edge for
// inside-name. `name-padding` is thus naturally measured from the shape edge
// (or from the boundary when shape is disabled).
let label-pos = if outside-name { outer-pos } else { inner-pos }
// For "shell" containers, wires must attach at the inside of the pentagon
// (the tip that points inward), not at the exterior base.
let anchor-pos = if wire-inside and shape == "pentagon" { inner-pos } else { outer-pos }
draw.content(
label-pos,
anchor: name-anchor,
padding: name-padding,
pos,
anchor: if name-rotate {rotate-anchor(side)} else {side},
padding: 2pt,
angle: if name-rotate {90deg} else {0deg},
name
)
let id = elmt-id + "-port-" + port.at("id")
if debug {
draw.circle(
anchor-pos,
name: id,
pos,
radius: .1,
stroke: none,
fill: red
@@ -107,266 +115,65 @@
} else {
draw.hide(draw.circle(
anchor-pos,
pos,
radius: 0,
stroke: none,
name: id
stroke: none
))
}
}
// Normalize an `align-with` value to either:
// - `(local: <id>)` → reference to another port of the *same* element
// - `(external: <anchor-name>)` → CeTZ anchor name of a port in another element
// Accepted input forms:
// - `str` matching a local port id → local
// - `str` not matching any local port id → external, used as-is as CeTZ anchor
// - `(element: <str>, port: <str>)` → external, anchor = `<element>-port-<port>`
#let classify-align-with(raw-val, placements) = {
if type(raw-val) == dictionary {
if "element" in raw-val and "port" in raw-val {
return (external: raw-val.element + "-port-" + raw-val.port)
}
panic("`align-with` dictionary must contain `element` and `port` keys, got: " + repr(raw-val))
}
if type(raw-val) != str {
panic("`align-with` must be a string or `(element:, port:)` dictionary, got: " + repr(raw-val))
}
if raw-val in placements {
return (local: raw-val)
}
return (external: raw-val)
}
// Resolve a single port's placement, following `align-with` references
// transitively and detecting cycles.
//
// Returns `(placements, result)` where `result` is either:
// - `(pct: <ratio>)` → percentage along the side (local placement)
// - `(external: <anchor-name>)` → align with the given remote CeTZ anchor
#let resolve-placement(placements, id, visiting, elmt-id: "") = {
let where = if elmt-id != "" { " (element '" + elmt-id + "')" } else { "" }
let p = placements.at(id)
if p.at("resolved", default: false) {
if "external-ref" in p {
return (placements, (external: p.external-ref))
}
return (placements, (pct: p.pct))
}
if id in visiting {
panic("align-with cycle involving port '" + id + "'" + where + " (path: "
+ visiting.join(" -> ") + " -> " + id + ")")
}
let raw = p.raw
let side = p.side
let is-ew = side in ("east", "west")
let has-align = "align-with" in raw
let has-x = "x" in raw
let has-y = "y" in raw
let has-num = has-x or has-y
if has-align and has-num {
panic("Port '" + id + "'" + where + ": cannot combine `align-with` with `x`/`y` override")
}
if is-ew and has-x {
panic("Port '" + id + "'" + where + " on side '" + side
+ "': use `y` for placement override on east/west sides, not `x`")
}
if (not is-ew) and has-y {
panic("Port '" + id + "'" + where + " on side '" + side
+ "': use `x` for placement override on north/south sides, not `y`")
}
let result = none
if has-num {
let val = if is-ew { raw.y } else { raw.x }
let dim = if is-ew { p.height } else { p.width }
if type(val) == function {
val = val(dim)
}
let pct
if type(val) == ratio {
pct = val
} else {
// Numeric length: measured from `pt0` along the side.
pct = (val / dim) * 100%
}
result = (pct: pct)
} else if has-align {
let classified = classify-align-with(raw.at("align-with"), placements)
if "external" in classified {
// Cross-element / raw anchor reference: axis cannot be validated here
// (remote side unknown at eval time). Propagate as external.
result = (external: classified.external)
} else {
let ref-id = classified.local
let ref-side = placements.at(ref-id).side
let ref-ew = ref-side in ("east", "west")
if is-ew != ref-ew {
panic("Port '" + id + "'" + where + " on '" + side + "' cannot `align-with` port '"
+ ref-id + "' on '" + ref-side + "': incompatible axis")
}
let new-visiting = visiting + (id,)
let res = resolve-placement(placements, ref-id, new-visiting, elmt-id: elmt-id)
placements = res.at(0)
result = res.at(1)
}
} else {
result = (pct: p.pct-auto)
}
if "external" in result {
p.insert("external-ref", result.external)
p.insert("pct", none)
} else {
p.insert("pct", result.pct)
}
p.insert("resolved", true)
placements.insert(id, p)
return (placements, result)
draw.anchor(port.id, pos)
}
#let add-ports(
elmt-id,
tl, tr, br, bl,
ports,
ports-margins,
width: 0,
height: 0,
debug: false,
outside-name: false,
name-padding: 2pt,
port-shape: none,
port-kind: "in",
port-size: 1em,
elmt-stroke: black + 1pt,
elmt-fill: none,
wire-inside: false,
elmt,
bounds
) = {
let sides = (
"north": (tl, tr),
"east": (tr, br),
"south": (bl, br),
"west": (tl, bl)
)
let debug = elmt.debug.at("ports", default: false)
if type(ports) != dictionary {
if type(elmt.ports) != dictionary {
return
}
// ---- Phase 1: build placement table with per-port baseline pct. ----
let placements = (:)
// Preserve iteration order for phase 3.
let order = ()
// Per-side (pt0, pt1) after margin adjustment, and per-side spacing.
let side-info = (:)
for (side, props) in sides {
let side-ports = ports.at(side, default: ())
let pt0 = props.at(0)
let pt1 = props.at(1)
if side in ports-margins {
let margins = ports-margins.at(side)
let a = (pt0, margins.at(0), pt1)
let b = (pt0, 100% - margins.at(1), pt1)
pt0 = a
pt1 = b
}
for (side, props) in bounds.ports {
let side-ports = elmt.ports.at(side, default: ())
let space = 100% / (side-ports.len() + 1)
side-info.insert(side, (pt0: pt0, pt1: pt1, space: space))
for (i, port) in side-ports.enumerate() {
let pid = port.at("id")
if pid in placements {
panic("Duplicate port id '" + pid + "' in element '" + elmt-id
+ "' on side '" + side + "' (existing side: '"
+ placements.at(pid).side + "', new port: " + repr(port) + ")")
}
let pct-auto = (i + 1) * space
placements.insert(pid, (
side: side,
raw: port,
index: i,
pct-auto: pct-auto,
width: width,
height: height,
resolved: false,
))
order.push(pid)
}
}
// ---- Phase 2: resolve overrides & align-with references. ----
for pid in order {
let res = resolve-placement(placements, pid, (), elmt-id: elmt-id)
placements = res.at(0)
}
// ---- Phase 3: draw. ----
for pid in order {
let p = placements.at(pid)
let side = p.side
let info = side-info.at(side)
let pt0 = info.pt0
let pt1 = info.pt1
let space = info.space
let port = p.raw
let is-ew = side in ("east", "west")
let pos
let pos-prev
let pos-next
if "external-ref" in p {
// Cross-element alignment: build pos via CeTZ perpendicular so this
// port shares one coordinate with the remote anchor and stays on this
// element's side line for the other coordinate.
// east/west: same y as remote, x from this side (pt0.x == pt1.x)
// north/south: same x as remote, y from this side (pt0.y == pt1.y)
let ref = p.external-ref
if is-ew {
pos = (pt0, "|-", ref)
// Fallback prev/next: just the pos itself; clock ports do not
// combine meaningfully with cross-element align.
pos-prev = pos
pos-next = pos
} else {
pos = (ref, "|-", pt0)
pos-prev = pos
pos-next = pos
}
let (pt0, pt1) = props
let side-len = if side in ("north", "south") {
pt1.at(0) - pt0.at(0)
} else {
let pct = p.pct
pos = (pt0, pct, pt1)
pos-prev = (pt0, pct - 0.5 * space, pt1)
pos-next = (pt0, pct + 0.5 * space, pt1)
pt0.at(1) - pt1.at(1)
}
for (i, port) in side-ports.enumerate() {
let offset = get-port-pos(elmt, bounds, side, port.id, i)
let pos = (pt0, offset, pt1)
let offset-prev = if type(offset) == ratio {
offset - space / 2
} else {
offset - space * side-len / 200%
}
let offset-next = if type(offset) == ratio {
offset + space / 2
} else {
offset + space * side-len / 200%
}
let pos-prev = (pt0, offset-prev, pt1)
let pos-next = (pt0, offset-next, pt1)
if port.at("small", default: false) {
pos-prev = (pos, 4pt, pt0)
pos-next = (pos, 4pt, pt1)
}
}
add-port(
elmt-id,
side,
port,
pos,
prev: pos-prev,
next: pos-next,
debug: debug,
outside-name: outside-name,
name-padding: name-padding,
port-shape: port-shape,
port-kind: port-kind,
port-size: port-size,
elmt-stroke: elmt-stroke,
elmt-fill: elmt-fill,
wire-inside: wire-inside,
)
add-port(
elmt.id,
side,
port,
pos,
prev: pos-prev,
next: pos-next,
debug: debug
)
}
}
}
}
+1 -6
View File
@@ -2,9 +2,4 @@
#import "elements/logic/and.typ": gate-and, gate-nand
#import "elements/logic/or.typ": gate-or, gate-nor
#import "elements/logic/xor.typ": gate-xor, gate-xnor
#import "elements/logic/buf.typ": gate-buf, gate-not
#import "elements/logic/iec_gate.typ": iec-gate
#import "elements/logic/iec_and.typ": iec-gate-and, iec-gate-nand
#import "elements/logic/iec_or.typ": iec-gate-or, iec-gate-nor
#import "elements/logic/iec_buf.typ": iec-gate-buf, iec-gate-not
#import "elements/logic/iec_xor.typ": iec-gate-xor, iec-gate-xnor
#import "elements/logic/buf.typ": gate-buf, gate-not
+1 -2
View File
@@ -1,5 +1,4 @@
#let version = version(0, 2, 1)
#let name = "circuiteria"
#let version = version(0, 2, 0)
#import "circuit.typ": circuit
#import "element.typ"
+5 -108
View File
@@ -1,23 +1,3 @@
#import "cetz.typ": coordinate
/// Resolves a relative coordinate shorthand of the form `(rel: <number>, to: <anchor>)`
/// to a single scalar along the requested axis.
///
/// Used to implement the shared `(rel:, to:)` shorthand accepted by the `x` and
/// `y` parameters of `elmt`, `gate` and `iec-gate`.
///
/// - ctx (dictionary): The current CeTZ context
/// - val (dictionary): A dictionary with fields `rel` (number) and `to` (anchor)
/// - axis (int): `0` for x, `1` for y
/// -> number
#let resolve-rel-coord(ctx, val, axis) = {
let offset = val.rel
let to = val.to
let delta = if axis == 0 { (offset, 0) } else { (0, offset) }
let (_, to-pos) = coordinate.resolve(ctx, (rel: delta, to: to))
return to-pos.at(axis)
}
/// Predefined color palette
/// #let w = 4
/// #box(width: 100%, align(center)[
@@ -90,97 +70,14 @@
).at(anchor)
}
/// Returns the pentagon port shape vertices and the outer/inner anchor
/// offsets for the given side and direction.
///
/// The pentagon straddles the block boundary: 1 unit outside, 1 unit inside;
/// height ±0.5 units. For `kind: "in"` the tip points into the block; for
/// `kind: "out"` it points away.
///
/// - side (str): One of `"north"`, `"east"`, `"south"`, `"west"`
/// - kind (str): `"in"` or `"out"`
/// - u (length,number): The pentagon unit size
/// -> dictionary: `(vertices: (..5 pairs..), outer: (dx, dy), inner: (dx, dy))`
#let port-shape-vertices(side, kind, u) = {
// Base case: west port, input (tip east / into block).
// Vertices as (dx, dy) offsets relative to the boundary anchor.
let base-vertices = (
(-u, -u/2),
(-u, +u/2),
(u/2, +u/2),
(u, 0), // tip east (inner side)
(u/2, -u/2),
)
// For output, mirror horizontally so the tip points west (outside).
if kind == "out" {
base-vertices = base-vertices.map(p => (-p.at(0), p.at(1)))
}
// Outer (wire-connection) and inner (inside-label) anchors for a west port.
// Outer is always 1u outside the boundary along the port normal; inner is 1u
// inside. Independent of `kind` (only the pentagon fill/tip direction change).
let base-outer = (-u, 0)
let base-inner = (u, 0)
// Rotation from west's frame to target side:
// west: identity (x, y)
// north: (x, y) → (y, -x)
// east: (x, y) → (-x, -y)
// south: (x, y) → (-y, x)
let rot = if side == "west" { p => p }
else if side == "north" { p => (p.at(1), -p.at(0)) }
else if side == "east" { p => (-p.at(0), -p.at(1)) }
else if side == "south" { p => (-p.at(1), p.at(0)) }
else { panic("Unknown side: " + side) }
return (
vertices: base-vertices.map(rot),
outer: rot(base-outer),
inner: rot(base-inner),
)
}
#let valid-anchors = (
"center", "north", "east", "west", "south",
"north-east", "north-west", "south-east", "south-west"
)
/// Normalizes a coordinate so that 2D points (x, y) are padded
/// to (x, y, 0) as required by CeTZ's coordinate resolver.
/// Also handles function-based and dictionary-based coordinates
/// recursively.
///
/// - coord (any): A CeTZ-compatible coordinate
/// -> any
#let normalize-coord(coord) = {
if type(coord) == array {
if coord.len() == 2 {
let (a, b) = coord
// Raw 2D point: (x, y) -> (x, y, 0)
if type(a) in (int, float) and type(b) in (int, float) {
return (a, b, 0)
}
// Function-based coordinate: (fn, point)
if type(a) == function {
let orig = a
return (v => {
let result = orig(v)
if type(result) == array and result.len() == 2 {
let (rx, ry) = result
if type(rx) in (int, float) and type(ry) in (int, float) {
return (rx, ry, 0)
}
}
return result
}, b)
}
}
}
if type(coord) == dictionary {
let result = (:)
for (key, value) in coord {
result.insert(key, normalize-coord(value))
}
return result
}
return coord
#let lerp(pt0, ratio, pt1) = {
return (
(pt1.at(0) - pt0.at(0)) * ratio / 100% + pt0.at(0),
(pt1.at(1) - pt0.at(1)) * ratio / 100% + pt0.at(1)
)
}
+83 -390
View File
@@ -1,12 +1,11 @@
#import "/src/cetz.typ": draw, coordinate
#import "util.typ": opposite-anchor, normalize-coord, resolve-rel-coord
#import "util.typ": opposite-anchor
#import "elements/ports.typ": get-port-side
#import "elements/element.typ"
/// List of valid wire styles
/// #examples.wires
///
/// The `"u-shape"` style connects two ports that face the same cardinal side.
/// #examples.u-shape-wire
#let wire-styles = ("direct", "zigzag", "dodge", "guided", "u-shape")
#let wire-styles = ("direct", "zigzag", "dodge")
#let signal-width = 1pt
#let bus-width = 1.5pt
@@ -71,8 +70,8 @@
let (ctx, p0) = coordinate.resolve(ctx, start)
let (ctx, p3) = coordinate.resolve(ctx, end)
p0 = (x: p0.first(), y: p0.at(1))
p3 = (x: p3.first(), y: p3.at(1))
p0 = (x: p0.first(), y: p0.last())
p3 = (x: p3.first(), y: p3.last())
let dx1 = margin-start
let dx2 = margin-end
@@ -89,13 +88,13 @@
if side-end == "east" {
dx2 *= -1
}
p1 = (p0.x + dx1, p0.y, 0)
p2 = (p3.x - dx2, p0.y, 0)
p1 = (p0.x + dx1, p0.y)
p2 = (p3.x - dx2, p0.y)
let points = (
start,
(horizontal: p1, vertical: ()),
(horizontal: (), vertical: (0, dodge-y, 0)),
(horizontal: (), vertical: (0, dodge-y)),
(horizontal: p2, vertical: ()),
(horizontal: (), vertical: end),
end
@@ -112,182 +111,6 @@
return (points, anchors)
}
#let _u-valid-sides = ("east", "west", "north", "south")
// Try to deduce the cardinal side a port anchor faces by comparing its
// position to the center of the element it belongs to. Returns none if the
// anchor is not a port-style anchor (i.e. does not contain "-port-") or if
// resolution fails.
#let _u-detect-side(anchor, ctx) = {
if type(anchor) != str { return none }
let sep = "-port-"
if not anchor.contains(sep) { return none }
let elmt-id = anchor.split(sep).first()
let port-pos = none
let center-pos = none
// coordinate.resolve panics on unknown anchors; there is no try/catch in
// Typst, so we assume port anchors created by add-port always come with a
// matching group of the same name. If not, the user must set u-side
// explicitly.
let (_, p1) = coordinate.resolve(ctx, anchor)
let (_, p2) = coordinate.resolve(ctx, elmt-id + ".center")
port-pos = p1
center-pos = p2
let dx = port-pos.at(0) - center-pos.at(0)
let dy = port-pos.at(1) - center-pos.at(1)
if calc.abs(dx) >= calc.abs(dy) {
return if dx >= 0 { "east" } else { "west" }
} else {
return if dy >= 0 { "north" } else { "south" }
}
}
#let get-u-shape-wire(pts, u-depth, u-side, ctx) = {
let start = pts.first()
let end = pts.last()
// Resolve the (auto|explicit) side
let side = u-side
if side == auto {
let side-start = _u-detect-side(start, ctx)
let side-end = _u-detect-side(end, ctx)
if side-start != none and side-end != none and side-start != side-end {
panic(
"u-shape: start port faces '" + side-start
+ "' but end port faces '" + side-end
+ "'; both must face the same side, or set u-side explicitly"
)
}
if side-start != none { side = side-start }
else if side-end != none { side = side-end }
else {
panic(
"u-shape: could not auto-detect u-side (endpoints are not port anchors); "
+ "please set u-side explicitly to one of " + repr(_u-valid-sides)
)
}
}
if not side in _u-valid-sides {
panic("u-shape: invalid u-side '" + repr(side) + "'; must be one of " + repr(_u-valid-sides))
}
let (ctx, s) = coordinate.resolve(ctx, start)
let (ctx, e) = coordinate.resolve(ctx, end)
let (sx, sy, ..) = s
let (ex, ey, ..) = e
let p1
let p2
if side == "east" {
let bx = calc.max(sx, ex) + u-depth
p1 = (bx, sy, 0)
p2 = (bx, ey, 0)
} else if side == "west" {
let bx = calc.min(sx, ex) - u-depth
p1 = (bx, sy, 0)
p2 = (bx, ey, 0)
} else if side == "north" {
let by = calc.max(sy, ey) + u-depth
p1 = (sx, by, 0)
p2 = (ex, by, 0)
} else if side == "south" {
let by = calc.min(sy, ey) - u-depth
p1 = (sx, by, 0)
p2 = (ex, by, 0)
}
let points = (start, p1, p2, end)
let anchors = (
"start": start,
"u-start": p1,
"u-end": p2,
"end": end
)
return (points, anchors)
}
#let get-guided-wire(pts, margins, sides, center-guides, ctx) = {
let start = pts.first()
let end = pts.last()
let (margin-start, margin-end) = margins
let (side-start, side-end) = sides
let (center_horizontal, center_vertical) = center-guides
let (ctx, p0) = coordinate.resolve(ctx, start)
let (ctx, p6) = coordinate.resolve(ctx, end)
p0 = (x: p0.first(), y: p0.at(1))
p6 = (x: p6.first(), y: p6.at(1))
let box_width = calc.abs(p6.x - p0.x)
let box_height = calc.abs(p6.y - p0.y)
// finding correct dx and dy
let dx1 = box_width * margin-start / 100%
if side-start == "west" {
dx1 *= -1
} else if side-start == "north" or side-start == "south" { dx1 = 0}
let dx2 = box_width * margin-end / 100%
if side-end == "west" {
dx2 *= -1
} else if side-end == "north" or side-end == "south" { dx2 = 0}
let dy1 = box_height * margin-start / 100%
if side-start == "south" {
dy1 *= -1
} else if side-start == "west" or side-start == "east" { dy1 = 0}
let dy2 = box_height * margin-end / 100%
if side-end == "south" {
dy2 *= -1
} else if side-end == "west" or side-end == "east" { dy2 = 0}
// points that are closest to the edge points
let p1 = (p0.x + dx1, p0.y + dy1, 0)
let p5 = (p6.x + dx2, p6.y + dy2, 0)
// middle point
let center_x = p0.x + box_width * center_horizontal / 100%
let center_y = p0.y + box_height * center_vertical / 100%
let p3 = (center_x, center_y, 0)
// setting up the points for that touch the guides
let p2 = (0, 0, 0)
let p4 = (0, 0, 0)
if side-start in ("north", "south") {
p2 = (horizontal: p3, vertical: p1)
} else {
p2 = (horizontal: p1, vertical: p3)
}
if side-end in ("north", "south") {
p4 = (horizontal: p3, vertical: p5)
} else if side-end in ("east", "west") {
p4 = (horizontal: p5, vertical: p3)
}
// returning
let points = (
start,
p1,
p2,
p3,
p4,
p5,
end
)
let anchors = (
"start": start,
"start2": points.at(1),
"guide-start": points.at(2),
"center": points.at(3),
"guide-end": points.at(4),
"end2": points.at(5),
"end": end
)
return (points, anchors)
}
/// Draws a wire between two points
/// - id (str): The wire's id, for future reference (anchors)
/// - pts (array): The two points (as CeTZ compatible coordinates, i.e. XY, relative positions, ids, etc.)
@@ -306,24 +129,17 @@
/// - dodge-y (number): Y position to dodge the wire to (only with style "dodge")
/// - dodge-sides (array): The start and end sides (going out of the connected element) of the wire (only with style "dodge")
/// - dodge-margins (array): The start and end margins (i.e. space before dodging) of the wire (only with style "dodge")
/// - guided-center (array): the horizontal and vertical guides of the center guides (only with style "guided")
/// - guided-margins (array): the start and end of guided margins of the wire (only with style "guided")
/// - guided-sides (array): the side of start and end array (must be either "north", "south", "west", "east") (only work with style "guided")
/// - u-side (auto, str): The cardinal side both endpoints face (one of "east", "west", "north", "south"). If `auto`, it is deduced from the endpoints when they are port anchors of the form `<elmt-id>-port-<port-id>` by comparing each port's position with its element's `.center` anchor. Auto-detection panics if the two endpoints resolve to different sides, or if neither endpoint is a port anchor (only with style "u-shape")
/// - u-depth (number): Distance between the outermost endpoint (in the `u-side` direction) and the U-bend line (only with style "u-shape")
#let wire(
id, pts,
pt0,
pt1,
id: none,
bus: false,
name: none,
name-pos: "middle",
slice: none,
color: black,
dashed: false,
style: "direct",
reverse: false,
guided-center: (50%, 50%),
guided-margins: (5%, 5%),
guided-sides: ("east", "west"),
directed: false,
rotate-name: true,
zigzag-ratio: 50%,
@@ -331,19 +147,13 @@
dodge-y: 0,
dodge-sides: ("east", "west"),
dodge-margins: (5%, 5%),
u-side: auto,
u-depth: 0.5,
..args
) = draw.get-ctx(ctx => {
if not style in wire-styles {
panic("Invalid wire style '" + style + "'")
}
if pts.len() != 2 {
panic("Wrong number of points (got " + str(pts.len()) + " instead of 2)")
}
// Normalize user-provided coordinates: (x, y) -> (x, y, 0)
let pts = pts.map(normalize-coord)
let pts = (pt0, pt1)
let stroke = (
paint: color,
@@ -370,21 +180,6 @@
dodge-sides,
ctx
)
} else if style == "guided" {
(points, anchors) = get-guided-wire(
pts,
guided-margins,
guided-sides,
guided-center,
ctx
)
} else if style == "u-shape" {
(points, anchors) = get-u-shape-wire(
pts,
u-depth,
u-side,
ctx
)
}
let mark = (fill: color)
@@ -423,7 +218,7 @@
let names = ()
if type(name) == str {
names = ((name, name-pos),)
names = ((name, "middle"),)
} else if type(name) == array {
names = (
@@ -433,6 +228,9 @@
}
for (name, pos) in names {
if name == none {
continue
}
let point
let anchor
@@ -474,178 +272,73 @@
/// - vertical (bool): Whether the name should be displayed vertically
/// - length (number): The length of the stub
/// - name-offset (number): The name offset, perpendicular to the stub
#let stub(port-id, side, name: none, vertical: false, length: 1em, name-offset: 0) = {
let end-offset = (
north: (0, length),
east: (length, 0),
south: (0, -length),
west: (-length, 0)
).at(side)
let name-offset = (
north: (name-offset, length),
east: (length, name-offset),
south: (name-offset, -length),
west: (-length, name-offset)
).at(side)
#let stub(anchor, side: auto, name: none, vertical: false, length: 1em, name-offset: 0) = {
if "." not in anchor {
panic("`anchor` must be a valid anchor of an element")
}
let parts = anchor.split(".")
let port-id = parts.last()
let port-elmt-id = parts.slice(0, -1).join(".")
draw.line(
port-id,
(rel: end-offset, to: port-id)
)
if name != none {
let text-anchor = if vertical {
(
"north": "west",
"south": "east",
"west": "south",
"east": "north"
).at(side)
} else { opposite-anchor(side) }
draw.content(
anchor: text-anchor,
padding: 0.2em,
angle: if vertical {90deg} else {0deg},
(rel: name-offset, to: port-id),
name
let pre-process = (elements, elmt) => {
let eid = elmt.id
let side = side
if side == auto {
if port-elmt-id not in elements {
panic("Unknown element " + port-elmt-id)
}
let port-elmt = elements.at(port-elmt-id)
side = get-port-side(port-elmt, port-id)
}
elements.at(eid).insert("side", side)
return elements
}
let draw-func(elmt, bounds) = {
let side = elmt.side
let end-offset = (
north: (0, length),
east: (length, 0),
south: (0, -length),
west: (-length, 0)
).at(side)
let name-offset = (
north: (name-offset, length),
east: (length, name-offset),
south: (name-offset, -length),
west: (-length, name-offset)
).at(side)
let shapes = ()
shapes += draw.line(
anchor,
(rel: end-offset, to: anchor)
)
}
}
/// Draws a wire breakout: a 45° diagonal line starting at (x, y) and
/// ending 1 unit away in one of the four diagonal directions. The end
/// point exposes a port anchor named `<id>-port-<id>` so wires can attach
/// to it as if it were a block port. A synthesized `<id>.center` anchor
/// is placed opposite `port-side` so #doc-ref("wire.wire") with
/// `style: "u-shape"` can auto-detect the port side.
///
/// #examples.breakout
///
/// Label positions are anchored so that the label sits neatly next to the
/// end point of the breakout. When the label direction matches the
/// breakout direction (which would overlap the line) the label is
/// automatically placed at the start point instead so the text does not
/// cover the line.
///
/// #examples.breakout-label
///
/// The port anchor makes it easy to fan out a bus:
///
/// #examples.breakout-wire
///
/// - id (str): The breakout id (also used as the port id)
/// - x (number, dictionary): The starting x position (same forms as `element.block`)
/// - y (number, dictionary): The starting y position (same forms as `element.block`)
/// - direction (str): One of `"north-east"`, `"north-west"`, `"south-east"`, `"south-west"`
/// - length (length, number): The diagonal length (default `1em`, matches port size)
/// - port-side (str): Cardinal side used for wire-attach behavior (`"north"`, `"east"`, `"south"`, `"west"`)
/// - stroke (stroke): Line stroke (paint + thickness)
/// - name (none, str): Optional label displayed near the breakout
/// - name-pos (none, str): Label position, one of `"north-west"`, `"north-east"`, `"south-west"`, `"south-east"`
/// - debug (bool): If true, shows a red dot at the port anchor
#let breakout(
id,
x: none, y: none,
direction: "north-east",
length: 1em,
port-side: "east",
stroke: black + 1pt,
name: none,
name-pos: none,
debug: false,
) = draw.get-ctx(ctx => {
if x == none { panic("breakout: parameter x must be set") }
if y == none { panic("breakout: parameter y must be set") }
let valid-directions = ("north-east", "north-west", "south-east", "south-west")
if not direction in valid-directions {
panic("breakout: invalid direction '" + repr(direction)
+ "'; must be one of " + repr(valid-directions))
}
let valid-sides = ("north", "east", "south", "west")
if not port-side in valid-sides {
panic("breakout: invalid port-side '" + repr(port-side)
+ "'; must be one of " + repr(valid-sides))
}
// Diagonal component: length / sqrt(2). Resolve to a canvas-space
// number so we can do arithmetic with anchor coordinates.
let d-raw = length / calc.sqrt(2)
let (_, d-vec) = coordinate.resolve(ctx, (d-raw, 0, 0))
let d = d-vec.at(0)
// Direction sign vector for (dx, dy).
let sx = if direction.ends-with("east") { 1 } else { -1 }
let sy = if direction.starts-with("north") { 1 } else { -1 }
// Resolve x.
let sx0 = x
if type(x) == dictionary {
if "rel" in x {
sx0 = resolve-rel-coord(ctx, x, 0)
} else if "from" in x {
let (_, from-pos) = coordinate.resolve(ctx, x.from)
sx0 = from-pos.at(0)
} else {
panic("breakout: unsupported x dictionary: " + repr(x))
}
}
// Resolve y.
let sy0 = y
if type(y) == dictionary {
if "rel" in y {
sy0 = resolve-rel-coord(ctx, y, 1)
} else if "from" in y {
let (_, from-pos) = coordinate.resolve(ctx, y.from)
sy0 = from-pos.at(1)
} else {
panic("breakout: unsupported y dictionary: " + repr(y))
if name != none {
let text-anchor = if vertical {
(
"north": "west",
"south": "east",
"west": "south",
"east": "north"
).at(side)
} else { opposite-anchor(side) }
shapes += draw.content(
anchor: text-anchor,
padding: 0.2em,
angle: if vertical {90deg} else {0deg},
(rel: name-offset, to: anchor),
name
)
}
return (shapes, bounds)
}
let start = (sx0, sy0)
let end = (rel: (sx * d, sy * d), to: start)
// Offset used for the synthesized center anchor: opposite of port-side.
let center-offset = (
"north": (0, -1em),
"east": (-1em, 0),
"south": (0, 1em),
"west": (1em, 0),
).at(port-side)
let port-anchor-name = id + "-port-" + id
draw.group(name: id, {
draw.line(start, end, stroke: stroke)
draw.anchor("start", start)
draw.anchor("end", end)
draw.anchor("center", (rel: center-offset, to: end))
if name != none and name-pos != none {
let label-anchor = (
"north-west": "south-east",
"north-east": "south-west",
"south-west": "north-east",
"south-east": "north-west",
).at(name-pos)
// Overlap case: label direction is opposite to breakout direction,
// so the label at the end point would extend back over the line.
// Anchor it at the start point instead.
let label-pos = if name-pos == opposite-anchor(direction) { start } else { end }
draw.content(label-pos, anchor: label-anchor, padding: 3pt, name)
}
})
// Port anchor emitted at top level so it can be referenced by its
// bare name (mirrors add-port's approach in ports.typ).
if debug {
draw.circle(end, name: port-anchor-name,
radius: .1, stroke: none, fill: red)
} else {
draw.hide(draw.circle(end, name: port-anchor-name,
radius: 0, stroke: none))
}
})
return element.elmt(
draw-shape: draw-func,
pre-process: pre-process
)
}
+3 -3
View File
@@ -1,7 +1,7 @@
[package]
name = "circuiteria"
version = "0.2.1"
compiler = "0.15.0"
version = "0.2.0"
compiler = "0.13.0"
repository = "https://git.kb28.ch/HEL/circuiteria"
entrypoint = "src/lib.typ"
authors = [
@@ -9,6 +9,6 @@ authors = [
]
categories = [ "visualization" ]
license = "Apache-2.0"
description = "Drawing block circuits made easy, using CeTZ"
description = "Drawing block circuits with Typst made easy, using CeTZ"
keywords = [ "circuit", "block", "draw" ]
exclude = [ "gallery", "justfile", "doc" ]