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Chrome 扩展商店素材生成器 | Chrome Extension Store Asset Generator

一键生成 Chrome Web Store 商店截图与宣传图(PNG/JPG),并完成严格的视觉 QA One-click Chrome Web Store screenshots & promo images (PNG/JPG) with strict visual QA

License: MIT Python: 3.10+ PIL: Pillow

关键词 / Keywords: Chrome 扩展 · 商店截图 · 宣传图 · Chrome Web Store · screenshot generator · promo image · CodeBuddy skill · Pillow

中文 | English

一个可复用的 用户级 CodeBuddy Skill,基于 PIL 的 Python 流水线为浏览器扩展 / Web 应用项目生成 Chrome Web Store 截图和宣传图(PNG/JPG),并在交付前强制通过 9 项视觉 QA + 本地化规则

A reusable user-level CodeBuddy skill that generates Chrome Web Store screenshots and promotional images (PNG/JPG) for browser-extension / web-app projects with a PIL-based Python pipeline, then enforces a strict 9-item visual QA + localization checklist before delivery.


效果预览 | Preview

以下图片由本 Skill 根据真实扩展的 UI 风格与功能生成,并已通过视觉 QA。

Generated by this skill from the actual UI style and features of real extensions, and passed visual QA.

Pixel Color Picker

Pixel Color Picker 商店截图

MiniCalc

MiniCalc 商店截图


功能 | Features

  • 生成 1280×800 商店截图(按语言分两套)与 440×280 / 1400×560 宣传图(中英双语同图)。

  • 可选像素风字体 assets/PressStart2P-Regular.ttf,适合复古 SaaS 视觉;缺失时自动回退到系统字体。

  • 内置 popup_mock 组件,支持等比缩放,小尺寸自动切换更小字号(scale-aware)。

  • 英文/长文案按 词边界 + CJK 字符 换行,避免单词被截断(如 hi story)。

  • 导出卡等网格强制 偶数 2×N / 3×N,杜绝「孤儿行」。

  • 强制 生成 → 预览 → 修复 → 重生成 工作流,确保每张素材都通过 9 项视觉 QA + 本地化规则。

  • Generates 1280×800 store screenshots (per-language sets) and 440×280 / 1400×560 bilingual promo tiles.

  • Optional pixel-art font assets/PressStart2P-Regular.ttf for a retro SaaS look; falls back to system fonts when omitted.

  • Built-in popup_mock component with scale-aware font sizing (smaller fonts at small sizes).

  • Word-aware wrapping for English / long copy (no broken words like hi story).

  • Even 2×N / 3×N card grids — no orphan rows.

  • Enforces a generate → preview → fix → regenerate loop so every asset passes 9 visual QA rules + localization rules.


项目结构 | Folder Structure

chrome-extension-store-asset-generator/
├── SKILL.md                              # skill 触发 + 工作流(CodeBuddy 必需)
├── scripts/
│   ├── generate-store-screenshots.py    # 1280×800 截图生成器(zh / en 各一套)
│   └── generate-store-promo.py          # 440×280 + 1400×560 双语宣传图生成器
├── references/
│   └── qa-checklist.md                   # 9 项视觉 QA + 本地化硬规则
├── examples/                             # 真实项目生成效果预览
│   ├── color-picker-screenshot-01.png
│   └── minicalc-shot1-main.png
├── assets/
│   └── PressStart2P-Regular.ttf          # 示例像素字体(可选)
├── requirements.txt                       # 依赖
├── LICENSE                                # MIT
└── README.md

生成产物默认落点(位于目标项目内):

<project>/store-assets/
├── screenshots/
│   ├── zh/   # 5 张全中文截图(1280×800)
│   └── en/   # 5 张全英文截图(1280×800)
└── promo/
    ├── promo-small-440x280.png   # 中英双语
    └── promo-large-1400x560.png  # 中英双语

环境要求 | Prerequisites

  • Python 3.10+
  • Pillow:
pip install -r requirements.txt

Windows 用户:脚本会优先使用 <project>/fonts/PressStart2P-Regular.ttf,否则回退到项目内 assets/ 或系统自带的 msyh.ttc / simhei.ttf


用法 | Usage

将该 Skill 复制到 CodeBuddy 用户级 Skill 目录:

Copy-Item . "$env:USERPROFILE\.codebuddy\skills\chrome-extension-store-asset-generator" -Recurse -Force

在目标项目中运行脚本(产物默认输出到 <project>/store-assets/):

# 截图:按语言分两套,输出到 store-assets/screenshots/{zh,en}/
python scripts/generate-store-screenshots.py

# 宣传图:中英双语同图,输出到 store-assets/promo/{promo-small-440x280,promo-large-1400x560}.png
python scripts/generate-store-promo.py

生成后请对照 references/qa-checklist.md 逐项检查,发现问题后修改脚本参数并重新生成,直到全部通过。


视觉 QA 标准 | Visual QA Standard

所有生成素材必须满足 references/qa-checklist.md 中的检查项(9 项视觉 + 本地化):

  1. 字号必须随画布缩放(scale-aware)。
  2. Banner 标题与副标题必须留 ≥ 8px 间隙,副标题在框内。
  3. 卡片网格必须偶数、整齐(2×N 或 3×N)。
  4. 底部边距安全线:元素底边 < 画布高度 − 12px。
  5. 相邻区块不得重叠。
  6. 小节标题与内容间距 ≥ 20px。
  7. 每轮改动后必须重新生成并自行预览(生成 → 预览 → 修复 → 重生成)。
  8. 按钮内文字必须垂直居中 + 自适应缩小(promo CTA 双语文案,按按钮高度居中,过大则缩小字号)。
  9. 长文案必须按词换行/精简,避免被截断遮挡(尤其英文更长)。

本地化规则(硬性):

  • 截图按语言分两套:store-assets/screenshots/{zh,en}/,中文图 全中文、英文图 全英文,绝不混语。
  • 宣传图必须中英双语同一张图:store-assets/promo/(不分 zh/en 子目录)。
  • mockup 动态文案随截图语言切换(用 lang 字典驱动,不写死英文占位符)。
  • 手绘卡片改行数/文案后必须重算依赖坐标(按钮 Y、卡片高度、内部间距)。
  • promo CTA 中英用中点 · 分隔(如 立即体验 · Try It Now)。

应用示例 | Real-world Examples

该 Skill 已用于生成以下项目的 Chrome 商店素材:

  • Pixel Color Picker:截图 + 440×280 / 1400×560 宣传图。
  • MiniCalc:含截图、small tile、marquee 等多种尺寸素材。

安装为 CodeBuddy Skill | Install as CodeBuddy Skill

# 复制到用户级 skill 目录
Copy-Item . "$env:USERPROFILE\.codebuddy\skills\chrome-extension-store-asset-generator" -Recurse -Force

之后,只要你说「生成商店截图 / 宣传图」或提到 generate-store-screenshots.py,该 Skill 就会自动触发。


许可证 | License

MIT © 2026 vaxicy


English Version

What it does

A reusable CodeBuddy skill for generating Chrome Web Store screenshots and promotional images. It bundles two Python scripts that draw the assets with PIL, plus a strict 9-item visual QA + localization checklist to catch overflow, misalignment, and spacing issues before delivery.

Features

  • Generates 1280×800 store screenshots (per-language sets) and 440×280 / 1400×560 bilingual promo tiles.
  • Pixel-art font (assets/PressStart2P-Regular.ttf) for a retro SaaS look; falls back to system fonts.
  • Scale-aware popup_mock component switches to smaller fonts at small sizes.
  • Word-aware wrapping for English / long copy (no broken words).
  • Even 2×N / 3×N card grids — no orphan rows.
  • Enforces a mandatory generate → preview → fix → regenerate loop.

Prerequisites

  • Python 3.10+
  • Pillow (install via pip install -r requirements.txt)

Usage

Copy the skill into your CodeBuddy user skills directory:

Copy-Item . "$env:USERPROFILE\.codebuddy\skills\chrome-extension-store-asset-generator" -Recurse -Force

Run the scripts from your project root (assets default to <project>/store-assets/):

python scripts/generate-store-screenshots.py  # per-language sets → store-assets/screenshots/{zh,en}/
python scripts/generate-store-promo.py        # bilingual tiles → store-assets/promo/

After generation, inspect every PNG against references/qa-checklist.md, fix the script parameters, and regenerate until all checks pass.

Localization rules (hard)

  • Screenshots split per language: store-assets/screenshots/{zh,en}/ — a zh shot is fully Chinese, an en shot fully English.
  • Promo tiles are bilingual (Chinese + English in one image) under store-assets/promo/ (no language subdirs).
  • Mockup "dynamic" copy follows the screenshot language via a lang dictionary.
  • Hand-drawn cards must recompute downstream coordinates after edits.
  • Promo CTA separates Chinese/English with a middot ·.

License

MIT © 2026 vaxicy

About

Chrome 扩展商店素材生成器:一键生成 Chrome Web Store 截图和宣传图 (PNG/JPG),含严格视觉 QA。CodeBuddy skill + 纯 Python(Pillow) 脚本 | Generate Chrome Web Store screenshots & promo images with strict visual QA.

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