xuyueandClaude Opus 5.5
de277d3e9d
- bunfig.toml 的 [fmt]：不写分号、单引号、一行最长 160，和原来的写法一致 - .prettierignore：docs/教材摘要/ 是书上的摘录，不格式化 - 模板里一行写两条语句的事件处理（@keydown.delete、@dblclick）改成调用方法：去掉分号后拆成两行，Vue 编译不过 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
52 lines
2.1 KiB
TypeScript
52 lines
2.1 KiB
TypeScript
// 生成网络摄像机的画面帧：把 scene.svg 渲染成全景图（有人翻墙 / 没有人两种），按云台位置切成 640×480 的 JPEG。
|
||
// 帧文件提交在仓库里，改了 scene.svg 后重新运行：bun runtime/Sim.Devices/Camera/build-frames.ts
|
||
// 需要 rsvg-convert（librsvg）和 magick（ImageMagick）。
|
||
import { mkdir, rm } from 'node:fs/promises'
|
||
import { tmpdir } from 'node:os'
|
||
import { join } from 'node:path'
|
||
|
||
/** 与 IPCameraHelper.cs 中的常量一致 */
|
||
const VIEW = { width: 640, height: 480 }
|
||
const STEPS = { x: 7, y: 3 }
|
||
const STRIDE = { x: 200, y: 160 }
|
||
|
||
const dir = import.meta.dir
|
||
const framesDir = join(dir, 'frames')
|
||
const work = join(tmpdir(), `camera-frames-${process.pid}`)
|
||
|
||
async function run(cmd: string[]) {
|
||
const proc = Bun.spawn(cmd, { stderr: 'inherit' })
|
||
if ((await proc.exited) !== 0) throw new Error(`${cmd[0]} 失败`)
|
||
}
|
||
|
||
const scene = await Bun.file(join(dir, 'scene.svg')).text()
|
||
const intruder = scene
|
||
.replace('id="intruder" display="none"', 'id="intruder"')
|
||
.replace('<path id="beam" ', '<path id="beam" display="none" ')
|
||
.replace('id="beam-broken" display="none"', 'id="beam-broken"')
|
||
if (intruder === scene) throw new Error('scene.svg 里找不到 #intruder')
|
||
|
||
await rm(framesDir, { recursive: true, force: true })
|
||
await mkdir(framesDir, { recursive: true })
|
||
await mkdir(work, { recursive: true })
|
||
try {
|
||
for (const [flag, svg] of [
|
||
[0, scene],
|
||
[1, intruder],
|
||
] as const) {
|
||
const svgPath = join(work, `scene-${flag}.svg`)
|
||
const pngPath = join(work, `scene-${flag}.png`)
|
||
await Bun.write(svgPath, svg)
|
||
await run(['rsvg-convert', svgPath, '-o', pngPath])
|
||
for (let x = 0; x < STEPS.x; x++) {
|
||
for (let y = 0; y < STEPS.y; y++) {
|
||
const crop = `${VIEW.width}x${VIEW.height}+${x * STRIDE.x}+${y * STRIDE.y}`
|
||
await run(['magick', pngPath, '-crop', crop, '+repage', '-strip', '-quality', '80', join(framesDir, `${x}-${y}-${flag}.jpg`)])
|
||
}
|
||
}
|
||
}
|
||
} finally {
|
||
await rm(work, { recursive: true, force: true })
|
||
}
|
||
console.log(`已生成 ${STEPS.x * STEPS.y * 2} 帧：${framesDir}`)
|