From fe2bc3961ec3b3164786074b37e36581b81fa68c Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Sun, 23 Feb 2025 18:37:17 +0100
Subject: New client and client data processing tools.

---
 tools/parse-layout.js | 167 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 tools/parse-layout.js

(limited to 'tools/parse-layout.js')

diff --git a/tools/parse-layout.js b/tools/parse-layout.js
new file mode 100644
index 0000000..5dcf4f8
--- /dev/null
+++ b/tools/parse-layout.js
@@ -0,0 +1,167 @@
+const fs = require("fs")
+
+const { round, floor, ceil } = Math
+
+let boxes = {}
+let nodes = []
+let edges = []
+let mode, name, x, y, w, h, cx, cy, rx, ry, x2, y2
+let scale = 1
+
+function flush() {
+	if (mode === 'path') {
+		edges.push({ x1: x, y1: y, x2, y2 })
+	}
+	if (mode === 'rect') {
+		boxes[name] = [ x * scale |0, y * scale |0, w * scale |0, h * scale |0 ]
+		nodes.push({ name, x: x + w/2, y: y + h/2 })
+	}
+	if (mode === 'circle') {
+		x = cx - rx
+		y = cy - ry
+		w = rx * 2
+		h = ry * 2
+		boxes[name] = [ x * scale |0, y * scale |0, w * scale |0, h * scale |0 ]
+		nodes.push({ name, x: cx, y: cy })
+	}
+	x = y = x2 = y2 = w = h = cx = cy = rx = ry = 0
+	name = null
+}
+
+function parse_path_data(path) {
+	let cx = 0
+	let cy = 0
+	let abs = 0
+	for (let i = 0; i < path.length;) {
+		switch (path[i]) {
+		case 'M':
+			x = cx = Number(path[i+1])
+			y = cy = Number(path[i+2])
+			i += 3
+			abs = true
+			break
+		case 'm':
+			x = cx = cx + Number(path[i+1])
+			y = cy = cy + Number(path[i+2])
+			i += 3
+			abs = false
+			break
+		case 'C':
+			x2 = cx = Number(path[i+5])
+			y2 = cy = Number(path[i+6])
+			i += 7
+			abs = true
+			break
+		case 'L':
+			i += 1
+			abs = true
+			break
+		case 'H':
+			x2 = cx = Number(path[i+1])
+			i += 2
+			abs = true
+			break
+		case 'V':
+			y2 = cy = Number(path[i+1])
+			i += 2
+			abs = true
+			break
+		case 'c':
+			x2 = cx = cx + Number(path[i+5])
+			y2 = cy = cy + Number(path[i+6])
+			i += 7
+			break
+		case 'l':
+			i += 1
+			abs = false
+			break
+		case 'h':
+			x2 = cx = cx + Number(path[i+1])
+			i += 2
+			abs = false
+			break
+		case 'v':
+			y2 = cy = cy + Number(path[i+1])
+			i += 2
+			abs = false
+			break
+		default:
+			if (abs) {
+				x2 = cx = Number(path[i+0])
+				y2 = cy = Number(path[i+1])
+			} else {
+				x2 = cx = cx + Number(path[i+0])
+				y2 = cy = cy + Number(path[i+1])
+			}
+			i += 2
+			break
+		}
+	}
+}
+
+for (let line of fs.readFileSync("tools/layout.svg", "utf-8").split("\n")) {
+	line = line.trim()
+	if (line.startsWith("<rect")) {
+		flush()
+		mode = "rect"
+		x = y = w = h = 0
+	} else if (line.startsWith("<ellipse") || line.startsWith("<circle")) {
+		flush()
+		mode = "circle"
+		cx = cy = rx = ry = 0
+	} else if (line.startsWith("<path")) {
+		flush()
+		mode = "path"
+	} else if (line.startsWith('x="'))
+		x = round(Number(line.split('"')[1]))
+	else if (line.startsWith('y="'))
+		y = round(Number(line.split('"')[1]))
+	else if (line.startsWith('width="'))
+		w = round(Number(line.split('"')[1]))
+	else if (line.startsWith('height="'))
+		h = round(Number(line.split('"')[1]))
+	else if (line.startsWith('cx="'))
+		cx = round(Number(line.split('"')[1]))
+	else if (line.startsWith('cy="'))
+		cy = round(Number(line.split('"')[1]))
+	else if (line.startsWith('r="'))
+		rx = ry = round(Number(line.split('"')[1]))
+	else if (line.startsWith('rx="'))
+		rx = round(Number(line.split('"')[1]))
+	else if (line.startsWith('ry="'))
+		ry = round(Number(line.split('"')[1]))
+	else if (line.startsWith('inkscape:label="'))
+		name = line.split('"')[1]
+	else if (line.startsWith('d="'))
+		parse_path_data(line.split('"')[1].split(/[ ,]/))
+}
+
+flush()
+
+console.log("const boxes = {")
+for (let key in boxes)
+	console.log("\t\"" + key + "\": " + JSON.stringify(boxes[key]) + ",")
+console.log("}")
+
+function find_closest_node(x, y) {
+	let nd = Infinity, nn = null
+
+	for (let n of nodes) {
+		let d = Math.hypot(n.x - x, n.y - y)
+		if (d < nd) {
+			nd = d
+			nn = n.name
+		}
+	}
+
+	if (!nn)
+		console.log("NOT FOUND", x, y)
+
+	return nn
+}
+
+for (let e of edges) {
+	let n1 = find_closest_node(e.x1, e.y1)
+	let n2 = find_closest_node(e.x2, e.y2)
+	console.log(`edge("${n1}", "${n2}", ${e.x1|0}, ${e.y1|0}, ${e.x2|0}, ${e.y2|0})`)
+}
-- 
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