钟明原
4162000cca
- Electron desktop GUI for OpenClaw AI agent gateway - Bundled Node.js runtime and OpenClaw, zero-dependency install - Multi-agent chat, virtual team, cron scheduler - Multi-provider model config, file/image attachments - In-app OpenClaw update, streaming responses - 10 UI languages, dark/light theme - Windows (NSIS) installer, macOS support planned - GitHub Actions CI for Windows build - README, LICENSE (MIT), SECURITY.md, Dependabot config
110 lines
4.0 KiB
JavaScript
110 lines
4.0 KiB
JavaScript
/**
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* gen-icons.mjs
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*
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* 从源 PNG 生成 Electron 打包所需的图标格式：
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* resources/icon.ico — Windows（多尺寸 ICO，含 16/32/48/256px）
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* resources/icon.png — Linux（512×512）
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*
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* 用法：node scripts/gen-icons.mjs [source.png]
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* 默认源文件：resources/icon.png
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*/
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import { writeFileSync, mkdirSync } from 'fs'
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import { resolve, dirname } from 'path'
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import { fileURLToPath } from 'url'
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import sharp from 'sharp'
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const __dir = dirname(fileURLToPath(import.meta.url))
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const root = resolve(__dir, '..')
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const src = process.argv[2] ?? resolve(root, 'resources', 'icon.png')
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const srcAbs = resolve(src)
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console.log(`[gen-icons] 源文件: ${srcAbs}`)
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// ── 去白背景：将近白色像素（RGB > 240）设为透明 ────────────────────────────────
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async function removeWhiteBackground(inputPath) {
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const { data, info } = await sharp(inputPath)
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.ensureAlpha()
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.raw()
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.toBuffer({ resolveWithObject: true })
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const pixels = Buffer.from(data)
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for (let i = 0; i < pixels.length; i += info.channels) {
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if (pixels[i] > 240 && pixels[i + 1] > 240 && pixels[i + 2] > 240) {
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pixels[i + 3] = 0
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}
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}
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return sharp(pixels, { raw: { width: info.width, height: info.height, channels: info.channels } })
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.png()
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.toBuffer()
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}
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// ── 手写 ICO 容器（Vista+ 支持 ICO 内嵌 PNG，NSIS 完全兼容）─────────────────
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// ICO 格式：ICONDIR(6B) + N×ICONDIRENTRY(16B) + N×image_data
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function buildIco(pngBufs) {
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const count = pngBufs.length
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const headerSize = 6 + count * 16
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const offsets = []
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let offset = headerSize
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for (const buf of pngBufs) {
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offsets.push(offset)
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offset += buf.length
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}
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const header = Buffer.alloc(6)
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header.writeUInt16LE(0, 0) // reserved
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header.writeUInt16LE(1, 2) // type = 1 (icon)
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header.writeUInt16LE(count, 4) // image count
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const dirEntries = pngBufs.map((buf, i) => {
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// 从 PNG IHDR 读实际尺寸
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const w = buf.readUInt32BE(16)
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const h = buf.readUInt32BE(20)
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const entry = Buffer.alloc(16)
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entry.writeUInt8(w >= 256 ? 0 : w, 0) // width (0 = 256)
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entry.writeUInt8(h >= 256 ? 0 : h, 1) // height (0 = 256)
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entry.writeUInt8(0, 2) // colorCount
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entry.writeUInt8(0, 3) // reserved
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entry.writeUInt16LE(1, 4) // planes
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entry.writeUInt16LE(32, 6) // bitCount
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entry.writeUInt32LE(buf.length, 8) // bytesInRes
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entry.writeUInt32LE(offsets[i], 12) // imageOffset
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return entry
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})
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return Buffer.concat([header, ...dirEntries, ...pngBufs])
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}
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// ── 主流程 ────────────────────────────────────────────────────────────────────
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const processedBuf = await removeWhiteBackground(srcAbs)
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console.log('[gen-icons] ✓ 白色背景已去除')
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mkdirSync(resolve(root, 'resources'), { recursive: true })
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// 1. icon.png（Linux，512×512）
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const pngOut = resolve(root, 'resources', 'icon.png')
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await sharp(processedBuf)
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.resize(512, 512, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
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.png()
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.toFile(pngOut)
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console.log('[gen-icons] ✓ resources/icon.png (512×512)')
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// 2. icon.ico（Windows，多尺寸）
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const ICO_SIZES = [16, 32, 48, 256]
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const pngBufs = await Promise.all(
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ICO_SIZES.map((size) =>
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sharp(processedBuf)
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.resize(size, size, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
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.png()
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.toBuffer()
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)
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)
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const icoBuffer = buildIco(pngBufs)
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const icoOut = resolve(root, 'resources', 'icon.ico')
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writeFileSync(icoOut, icoBuffer)
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console.log(`[gen-icons] ✓ resources/icon.ico (${ICO_SIZES.join('/')}px, ${icoBuffer.length} bytes)`)
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console.log('[gen-icons] ℹ resources/icon.icns — 在 macOS 打包时用 iconutil 生成，Windows 跳过')
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console.log('[gen-icons] 完成')
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