initial commit

scripts/gen-tray-icon.mjs

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+import { deflateSync } from 'zlib'
+import { writeFileSync, mkdirSync } from 'fs'
+import { dirname, resolve } from 'path'
+import { fileURLToPath } from 'url'
+
+/** 生成一个简洁的托盘图标（粉色唱片盘），输出到 resources/tray.png */
+const __dirname = dirname(fileURLToPath(import.meta.url))
+
+const SIZE = 32
+const cx = SIZE / 2 - 0.5
+const cy = SIZE / 2 - 0.5
+const rOuter = 15
+const rHole = 4
+
+function px(x, y) {
+  const dx = x - cx
+  const dy = y - cy
+  const d = Math.sqrt(dx * dx + dy * dy)
+  // 抗锯齿边缘
+  const edge = (r) => Math.max(0, Math.min(1, r - d + 0.5))
+  const inDisc = edge(rOuter)
+  const inHole = edge(rHole)
+  if (inDisc <= 0) return [0, 0, 0, 0]
+  // 唱片主体粉色，中心孔洞白色
+  const pink = [255, 55, 95]
+  const white = [255, 255, 255]
+  const a = Math.round(255 * inDisc)
+  if (inHole > 0) {
+    const t = inHole
+    return [
+      Math.round(pink[0] * (1 - t) + white[0] * t),
+      Math.round(pink[1] * (1 - t) + white[1] * t),
+      Math.round(pink[2] * (1 - t) + white[2] * t),
+      a
+    ]
+  }
+  return [pink[0], pink[1], pink[2], a]
+}
+
+// 构造原始 RGBA 扫描行（每行前置 filter 0）
+const raw = Buffer.alloc((SIZE * 4 + 1) * SIZE)
+let p = 0
+for (let y = 0; y < SIZE; y++) {
+  raw[p++] = 0
+  for (let x = 0; x < SIZE; x++) {
+    const [r, g, b, a] = px(x, y)
+    raw[p++] = r
+    raw[p++] = g
+    raw[p++] = b
+    raw[p++] = a
+  }
+}
+
+const crcTable = (() => {
+  const t = []
+  for (let n = 0; n < 256; n++) {
+    let c = n
+    for (let k = 0; k < 8; k++) c = c & 1 ? 0xedb88320 ^ (c >>> 1) : c >>> 1
+    t[n] = c >>> 0
+  }
+  return t
+})()
+function crc32(buf) {
+  let c = 0xffffffff
+  for (let i = 0; i < buf.length; i++) c = crcTable[(c ^ buf[i]) & 0xff] ^ (c >>> 8)
+  return (c ^ 0xffffffff) >>> 0
+}
+function chunk(type, data) {
+  const len = Buffer.alloc(4)
+  len.writeUInt32BE(data.length, 0)
+  const typeBuf = Buffer.from(type, 'ascii')
+  const body = Buffer.concat([typeBuf, data])
+  const crc = Buffer.alloc(4)
+  crc.writeUInt32BE(crc32(body), 0)
+  return Buffer.concat([len, body, crc])
+}
+
+const sig = Buffer.from([137, 80, 78, 71, 13, 10, 26, 10])
+const ihdr = Buffer.alloc(13)
+ihdr.writeUInt32BE(SIZE, 0)
+ihdr.writeUInt32BE(SIZE, 4)
+ihdr[8] = 8 // bit depth
+ihdr[9] = 6 // color type RGBA
+const png = Buffer.concat([
+  sig,
+  chunk('IHDR', ihdr),
+  chunk('IDAT', deflateSync(raw)),
+  chunk('IEND', Buffer.alloc(0))
+])
+
+const out = resolve(__dirname, '../resources/tray.png')
+mkdirSync(dirname(out), { recursive: true })
+writeFileSync(out, png)
+console.log('wrote', out, png.length, 'bytes')