feat: 初始化画个标仓库 - AI驱动设计系统(BYOK模式) - 224源/371504图标+25海报源+130技能

2026-10-03 21:44:18 +08:00
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+/**
+ * 🤖 简洁科技感头像 PNG 批量生成（DiceBear bottts-neutral 机器人中性）
+ * 从资源库读取风格定义，seed 确定性渲染；黑灰机器人反白成线框感，
+ * 配深蓝渐变圆形底 + 细亮蓝圆环，Chrome headless 导出 1024×1024 PNG。
+ *
+ * 用法：node scripts/gen-tech-avatars-png.js
+ */
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const vm = require('vm');
+const { execFileSync } = require('child_process');
+
+const ROOT = path.resolve(__dirname, '..');
+const OUT_DIR = path.join(ROOT, 'output', 'agent-avatars-png');
+const TMP_DIR = path.join(ROOT, 'output', '.tmp-tech');
+const CHROME = 'C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe';
+
+// —— 1. 加载资源库风格定义 + 渲染引擎 ——
+global.window = global;
+const styleFile = path.join(ROOT, 'js', 'data', 'sources', 'dicebear-bottts-neutral.js');
+vm.runInThisContext(fs.readFileSync(styleFile, 'utf8'), { filename: styleFile });
+vm.runInThisContext(fs.readFileSync(path.join(ROOT, 'js', 'core', 'dicebear.js'), 'utf8'), { filename: 'dicebear.js' });
+
+// —— 2. 渲染 10 个 seed，反白（黑→白线框感），剥离 svg 外壳取 inner ——
+const COUNT = 10;
+const S = 120;            // bottts-neutral 画布 120
+const ZOOM = 5.4;         // 放大到 ~648px
+const BG_FROM = '#0b1220', BG_TO = '#16294a';  // 深蓝科技渐变
+const RING = '#3b82f6';   // 亮蓝圆环
+
+function renderInner(seed) {
+  const { svg } = HGB_Dicebear.renderAvatar('bottts-neutral', seed);
+  const inner = svg.replace(/^<\?xml[^>]*\?>\s*<svg[^>]*>/, '').replace(/<\/svg>\s*$/, '');
+  return inner.replace(/fill="black"/g, 'fill="white"'); // 反白
+}
+
+function buildHtml(inner) {
+  return `<!DOCTYPE html>
+<html><head><meta charset="utf-8">
+<style>html,body{margin:0;padding:0;width:1024px;height:1024px;overflow:hidden;background:transparent}</style>
+</head><body>
+<svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
+  <defs>
+    <linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="${BG_FROM}"/><stop offset="100%" stop-color="${BG_TO}"/>
+    </linearGradient>
+    <clipPath id="circle"><circle cx="512" cy="512" r="512"/></clipPath>
+  </defs>
+  <rect width="1024" height="1024" fill="url(#bg)" clip-path="url(#circle)"/>
+  <circle cx="512" cy="512" r="452" fill="none" stroke="${RING}" stroke-width="5" opacity=".45"/>
+  <g transform="translate(512 512) scale(${ZOOM}) translate(${-S / 2} ${-S / 2})">${inner}</g>
+</svg>
+</body></html>`;
+}
+
+// —— 3. 导出 PNG ——
+fs.mkdirSync(OUT_DIR, { recursive: true });
+fs.mkdirSync(TMP_DIR, { recursive: true });
+for (let i = 1; i <= COUNT; i++) {
+  const idx = String(i).padStart(2, '0');
+  const htmlFile = path.join(TMP_DIR, `avatar-${idx}.html`);
+  const pngFile = path.join(OUT_DIR, `agent-${idx}.png`);
+  fs.writeFileSync(htmlFile, buildHtml(renderInner('agent-' + i)), 'utf8');
+  try {
+    execFileSync(CHROME, [
+      '--headless=new', '--disable-gpu', '--hide-scrollbars',
+      '--force-device-scale-factor=1', '--default-background-color=00000000',
+      '--window-size=1024,1024', '--virtual-time-budget=1000',
+      `--screenshot=${pngFile}`,
+      'file:///' + htmlFile.replace(/\\/g, '/')
+    ], { stdio: 'pipe' });
+    console.log(`✅ agent-${idx}.png  seed=agent-${i}`);
+  } catch (e) {
+    console.error(`❌ agent-${idx}.png 失败:`, e.message.split('\n')[0]);
+  }
+}
+fs.rmSync(TMP_DIR, { recursive: true, force: true });
+console.log('\n🎉 完成 → output/agent-avatars-png/');