416 lines
12 KiB
JavaScript
416 lines
12 KiB
JavaScript
import { Buffer } from 'node:buffer';
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import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const repoRoot = path.resolve(__dirname, '..');
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const outputDir = path.join(
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repoRoot,
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'public',
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'branding',
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'taonier-logo-braincore-concepts',
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);
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const timeoutMsDefault = 180000;
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const args = new Map();
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for (let index = 2; index < process.argv.length; index += 1) {
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const raw = process.argv[index];
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if (!raw.startsWith('--')) {
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continue;
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}
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const next = process.argv[index + 1];
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if (next && !next.startsWith('--')) {
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args.set(raw, next);
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index += 1;
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} else {
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args.set(raw, true);
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}
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}
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const basePrompt = [
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'请生成一枚全新的「陶泥儿」产品商标图形标概念稿，但画面中绝对不要出现任何中文字、英文字母、数字、符号字样或品牌字标。',
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'产品定位：精品 AI UGC 轻休闲小游戏创作与传播平台，用户可以像捏陶泥一样把脑洞、梗和灵感塑造成小游戏或趣味内容。',
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'核心隐喻：脑洞星核。一团奶白色、暖棕色调的不规则软方圆陶泥包裹一枚暖金色创意星核，表达灵感被捏造成型。',
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'风格：扁平矢量商标为主，带非常轻微的软陶质感；结构简洁、边缘柔和、轮廓清晰，适合商标、App 图标、社区头像。',
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'主色：奶白、米白、暖棕、陶土棕、少量暖金；整体温暖高级，不使用粉色、青色、蓝色、紫色、荧光色或彩虹色。',
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'数字感：只允许在星核周围出现 2 到 4 个极小暖金星点或像素点，暗示 AI 生成、UGC 传播和轻游戏趣味。',
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'构图：正方形画布，居中图形标，干净浅米白背景，留足安全边距；缩小到 64px 时仍能看清软方圆轮廓和星核。',
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'禁止：脸、眼睛、嘴巴、表情、角色身体、吉祥物立绘、儿童黏土玩具感、陶艺工具、手、笔刷、复杂场景、按钮、UI、边框、水印、文字、商标字标、拟物甜品感。',
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'必须保持全新构图，不参考任何既有陶泥儿 logo 方案，不做旋涡环形旧稿，不做三色花瓣旧稿。',
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];
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const variants = [
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{
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id: '01-minimal-braincore',
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title: '极简脑洞星核',
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prompt: [
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...basePrompt,
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'本张重点：极简。只保留一个奶白不规则软方圆陶泥主体、一个居中的暖金四角星核、2 个极小暖金星点。不要额外装饰。',
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],
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},
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{
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id: '02-soft-square-clay-seal',
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title: '软方圆陶泥印记',
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prompt: [
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...basePrompt,
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'本张重点：陶泥印记。主体像被轻轻按压成型的软方圆印章，边缘有自然手捏起伏，但不能像儿童玩具。星核略微偏心。',
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],
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},
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{
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id: '03-warm-brown-embedded-core',
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title: '暖棕星核嵌入',
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prompt: [
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...basePrompt,
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'本张重点：嵌入感。用暖棕内凹形或陶土棕阴影承托暖金星核，像灵感被嵌进陶泥里，仍保持扁平商标质感。',
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],
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},
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{
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id: '04-subtle-pinch-marks',
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title: '轻微捏痕版本',
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prompt: [
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...basePrompt,
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'本张重点：捏痕。在陶泥主体边缘加入 2 到 3 个极轻微暖棕捏痕或凹口，表现可塑性；捏痕必须抽象、克制、可矢量化。',
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],
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},
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{
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id: '05-premium-geometric-balance',
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title: '精品几何比例',
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prompt: [
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...basePrompt,
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'本张重点：精品比例。整体更接近高级互联网 App 图标，几何平衡、负形干净、软方圆轮廓稳定，陶泥质感只保留一点点。',
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],
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},
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{
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id: '06-soft-clay-texture',
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title: '柔软陶泥质感',
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prompt: [
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...basePrompt,
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'本张重点：柔软质感。在不破坏扁平矢量感的前提下，加入细腻奶油陶泥的微妙高光和暖棕渐层，不能变成 3D 玩具。',
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],
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},
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{
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id: '07-app-icon-ready',
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title: 'App 图标优先',
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prompt: [
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...basePrompt,
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'本张重点：App 图标。图形占画面约 72%，轮廓饱满有记忆点，星核清晰醒目，适合放入圆角方形 App icon。',
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],
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},
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{
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id: '08-trademark-monochrome-ready',
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title: '商标黑白提炼',
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prompt: [
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...basePrompt,
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'本张重点：商标注册。优先保证黑白化后仍清楚，减少渐变和细节，用奶白主体、暖棕负形和暖金星核形成强轮廓。',
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],
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},
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];
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function readDotenv(fileName) {
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const filePath = path.join(repoRoot, fileName);
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if (!existsSync(filePath)) {
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return {};
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}
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const values = {};
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for (const line of readFileSync(filePath, 'utf8').split(/\r?\n/u)) {
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const trimmed = line.trim();
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if (!trimmed || trimmed.startsWith('#')) {
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continue;
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}
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const match = /^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/u.exec(trimmed);
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if (!match) {
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continue;
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}
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let value = match[2].trim();
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if (
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(value.startsWith('"') && value.endsWith('"')) ||
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(value.startsWith("'") && value.endsWith("'"))
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) {
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value = value.slice(1, -1);
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}
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values[match[1]] = value;
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}
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return values;
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}
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function resolveEnv() {
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const loaded = {
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...readDotenv('.env.example'),
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...readDotenv('.env.local'),
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...readDotenv('.env.secrets.local'),
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...process.env,
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};
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return {
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baseUrl: String(loaded.VECTOR_ENGINE_BASE_URL || '')
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.trim()
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.replace(/\/+$/u, ''),
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apiKey: String(loaded.VECTOR_ENGINE_API_KEY || '').trim(),
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timeoutMs: Number.parseInt(
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String(loaded.VECTOR_ENGINE_IMAGE_REQUEST_TIMEOUT_MS || timeoutMsDefault),
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10,
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),
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};
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}
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function buildVectorEngineImagesGenerationUrl(baseUrl) {
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return baseUrl.endsWith('/v1')
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? `${baseUrl}/images/generations`
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: `${baseUrl}/v1/images/generations`;
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}
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function buildRequestBody(variant) {
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return {
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model: 'gpt-image-2-all',
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prompt: variant.prompt.join('\n'),
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n: 1,
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size: '1024x1024',
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};
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}
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function collectStringsByKey(value, targetKey, output) {
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if (Array.isArray(value)) {
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value.forEach((entry) => collectStringsByKey(entry, targetKey, output));
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return;
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}
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if (!value || typeof value !== 'object') {
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return;
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}
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for (const [key, nested] of Object.entries(value)) {
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if (key === targetKey) {
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if (typeof nested === 'string' && nested.trim()) {
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output.push(nested.trim());
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}
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if (Array.isArray(nested)) {
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nested.forEach((entry) => {
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if (typeof entry === 'string' && entry.trim()) {
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output.push(entry.trim());
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}
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});
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}
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}
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collectStringsByKey(nested, targetKey, output);
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}
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}
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function extractImageUrls(payload) {
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const urls = [];
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collectStringsByKey(payload, 'url', urls);
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collectStringsByKey(payload, 'image', urls);
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collectStringsByKey(payload, 'image_url', urls);
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return [...new Set(urls)].filter((url) => /^https?:\/\//u.test(url));
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}
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function extractBase64Images(payload) {
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const values = [];
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collectStringsByKey(payload, 'b64_json', values);
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return values;
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}
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function inferExtensionFromContentType(contentType) {
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const normalized = contentType.split(';')[0]?.trim().toLowerCase();
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if (normalized === 'image/png') {
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return 'png';
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}
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if (normalized === 'image/webp') {
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return 'webp';
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}
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if (normalized === 'image/gif') {
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return 'gif';
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}
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return 'jpg';
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}
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function inferExtensionFromBytes(bytes) {
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if (bytes.subarray(0, 8).equals(Buffer.from('\x89PNG\r\n\x1A\n', 'binary'))) {
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return 'png';
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}
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if (bytes.subarray(0, 3).equals(Buffer.from([0xff, 0xd8, 0xff]))) {
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return 'jpg';
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}
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if (
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bytes.subarray(0, 4).toString('ascii') === 'RIFF' &&
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bytes.subarray(8, 12).toString('ascii') === 'WEBP'
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) {
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return 'webp';
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}
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return 'png';
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}
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async function fetchJson(url, options, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, {
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...options,
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signal: abortController.signal,
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});
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const text = await response.text();
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if (!response.ok) {
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throw new Error(`VectorEngine ${response.status}: ${text.slice(0, 600)}`);
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}
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return JSON.parse(text);
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(`VectorEngine request timed out after ${timeoutMs}ms`);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function downloadUrl(url, timeoutMs) {
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const abortController = new AbortController();
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const timer = setTimeout(() => abortController.abort(), timeoutMs);
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try {
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const response = await fetch(url, { signal: abortController.signal });
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if (!response.ok) {
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throw new Error(`download ${response.status}`);
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}
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const bytes = Buffer.from(await response.arrayBuffer());
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return {
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bytes,
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extension: inferExtensionFromContentType(
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response.headers.get('content-type') || 'image/jpeg',
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),
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};
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} catch (error) {
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if (error?.name === 'AbortError') {
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throw new Error(`Generated image download timed out after ${timeoutMs}ms`);
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}
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throw error;
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} finally {
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clearTimeout(timer);
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}
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}
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async function generateOne(env, variant) {
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const requestBody = buildRequestBody(variant);
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const payload = await fetchJson(
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buildVectorEngineImagesGenerationUrl(env.baseUrl),
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{
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method: 'POST',
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headers: {
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Authorization: `Bearer ${env.apiKey}`,
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Accept: 'application/json',
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(requestBody),
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},
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env.timeoutMs,
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);
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const urls = extractImageUrls(payload);
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const b64Images = extractBase64Images(payload);
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let image;
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if (urls[0]) {
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image = await downloadUrl(urls[0], env.timeoutMs);
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} else if (b64Images[0]) {
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const bytes = Buffer.from(b64Images[0], 'base64');
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image = {
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bytes,
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extension: inferExtensionFromBytes(bytes),
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};
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} else {
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throw new Error(`VectorEngine returned no image for ${variant.id}`);
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}
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mkdirSync(outputDir, { recursive: true });
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const outputPath = path.join(outputDir, `taonier-braincore-${variant.id}.${image.extension}`);
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writeFileSync(outputPath, image.bytes);
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return outputPath;
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}
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function writeManifest(files) {
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const manifestPath = path.join(outputDir, 'taonier-logo-braincore-manifest.json');
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writeFileSync(
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manifestPath,
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`${JSON.stringify(
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{
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model: 'gpt-image-2-all',
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size: '1024x1024',
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generatedAt: new Date().toISOString(),
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creativeDirection: {
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name: '陶泥儿脑洞星核图形标',
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textPolicy: 'no Chinese, no English, no wordmark',
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palette: '奶白、米白、暖棕、陶土棕、少量暖金',
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motif: '不规则软方圆陶泥团 + 脑洞星核 + 极少量星点',
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},
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variants: variants.map((variant) => ({
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id: variant.id,
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title: variant.title,
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file: files.find((file) => path.basename(file).includes(variant.id))
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? path.basename(files.find((file) => path.basename(file).includes(variant.id)))
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: null,
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prompt: variant.prompt.join('\n'),
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})),
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},
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null,
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2,
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)}\n`,
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'utf8',
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);
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return manifestPath;
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}
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const dryRun = args.has('--dry-run') || !args.has('--live');
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const limit = Number.parseInt(String(args.get('--limit') || variants.length), 10);
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const selectedVariants = variants.slice(0, limit);
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if (dryRun) {
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console.log(
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JSON.stringify(
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{
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mode: 'dry-run',
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outputDir,
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count: selectedVariants.length,
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requests: selectedVariants.map((variant) => ({
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id: variant.id,
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title: variant.title,
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body: buildRequestBody(variant),
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})),
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},
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null,
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2,
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),
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);
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process.exit(0);
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}
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const env = resolveEnv();
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if (!env.baseUrl || !env.apiKey) {
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console.error(
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JSON.stringify({
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ok: false,
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error: 'Missing VECTOR_ENGINE_BASE_URL or VECTOR_ENGINE_API_KEY',
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hasBaseUrl: Boolean(env.baseUrl),
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hasApiKey: Boolean(env.apiKey),
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}),
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);
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process.exit(1);
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}
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const generated = [];
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for (const variant of selectedVariants) {
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console.log(`Generating ${variant.id} ${variant.title}...`);
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generated.push(await generateOne(env, variant));
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}
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const manifestPath = writeManifest(generated);
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console.log(
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JSON.stringify(
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{
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ok: true,
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count: generated.length,
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files: generated,
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manifest: manifestPath,
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},
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null,
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2,
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),
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);
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