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SKILL verified Apache-2.0 Self-run

Image Editing

skill-zju-real-easel-image-editing · by ZJU-REAL

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Install

$ agentstack add skill-zju-real-easel-image-editing

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

Security review passed
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2d ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

图像处理加工

> 对已有图片做确定性处理:缩放/裁剪/补边/转格式/压缩/水印/圆角/拼接/缩略图。 > 所有操作走 skills/shared/scripts/image_ops.py(纯 Pillow),不即兴写脚本。

输入

  • 一张或多张已存在的图片文件路径(png/jpg/webp 等 Pillow 支持格式)
  • 目标操作与参数(尺寸、比例、质量、水印文字、拼接方式等)

输出

  • 处理后的图片文件(路径由用户指定或默认写入 outputs/主题名/
  • 每条命令回显 ✅ 路径 (宽x高, 大小KB)info 输出 json

边界(与 card-* 划清)

  • card-quote / card-xiaohongshu / poster-hero / comparison-card = 设计并渲染新图(HTML→截图)
  • image-editing = 加工已有图片,不做视觉设计,不生成内容,只做像素级处理
  • 需要"从数据/文字生成图" → 用 chart/infographic/card-*;本 SKILL 只处理现成图片文件

执行步骤

  1. 确认输入图片存在、明确目标操作与参数
  2. 项目根目录运行 image_ops.py 对应子命令(见下)
  3. 需要平台尺寸时,查 references/platform-sizes.md 取推荐比例/像素
  4. 回报输出路径与尺寸;多步操作可串联(如先 resize 再 compress)

命令速查

脚本路径统一为 skills/shared/scripts/image_ops.py,均支持 -h 查看参数。

# 缩放:按宽/高/百分比,--keep-ratio 在框内等比不拉伸
python skills/shared/scripts/image_ops.py resize -i in.jpg -o out.jpg --width 1080
python skills/shared/scripts/image_ops.py resize -i in.jpg -o out.jpg --percent 50
python skills/shared/scripts/image_ops.py resize -i in.jpg -o out.jpg --width 1080 --height 1440 --keep-ratio

# 裁剪:坐标裁 或 居中裁到指定尺寸
python skills/shared/scripts/image_ops.py crop -i in.jpg -o out.jpg --box 100,50,900,650
python skills/shared/scripts/image_ops.py crop -i in.jpg -o out.jpg --width 1080 --height 1080

# 补边到目标比例(社媒适配核心):把任意图 pad 成 1:1 / 9:16 / 16:9
python skills/shared/scripts/image_ops.py pad -i in.jpg -o out.png --ratio 9:16 --background "#ffffff"
python skills/shared/scripts/image_ops.py pad -i in.jpg -o out.png --ratio 1:1 --background "20,20,30"

# 格式转换 png/jpg/webp
python skills/shared/scripts/image_ops.py convert -i in.png -o out.webp --format webp --quality 85

# 压缩:定质量 或 逼近目标文件大小上限(jpg/webp)
python skills/shared/scripts/image_ops.py compress -i in.jpg -o out.jpg --quality 80
python skills/shared/scripts/image_ops.py compress -i in.jpg -o out.jpg --max-kb 200

# 水印:文字(位置/透明度/字号/颜色,自动找系统中文字体)或图片(右下角等)
python skills/shared/scripts/image_ops.py watermark -i in.jpg -o out.png --text "@账号名" --position bottom-right --opacity 0.5 --size 40
python skills/shared/scripts/image_ops.py watermark -i in.jpg -o out.png --image logo.png --position bottom-right --scale 0.3 --opacity 0.8

# 圆角(输出透明 png);--radius-percent 50 得圆形
python skills/shared/scripts/image_ops.py round -i in.jpg -o out.png --radius 60
python skills/shared/scripts/image_ops.py round -i avatar.jpg -o out.png --radius-percent 50

# 多图拼接:横向/纵向/网格 NxM(列x行),--cell-width/height 统一单元格
python skills/shared/scripts/image_ops.py collage -i a.jpg b.jpg c.jpg -o out.jpg --mode horizontal --gap 12
python skills/shared/scripts/image_ops.py collage -i 1.jpg 2.jpg 3.jpg 4.jpg -o out.jpg --grid 2x2 --gap 10 --cell-width 540 --cell-height 540

# 缩略图(最长边像素)
python skills/shared/scripts/image_ops.py thumbnail -i in.jpg -o thumb.jpg --size 256

# 读图片信息(json:尺寸/格式/比例/大小/透明通道)
python skills/shared/scripts/image_ops.py info -i in.jpg

领域知识:平台推荐尺寸

常用平台推荐见 references/platform-sizes.md。高频速记:

  • 小红书竖版图文:1080×1440(3:4);小红书视频/竖版海报:1080×1920(9:16)
  • 朋友圈单图 / 通用方图:1:1(如 1080×1080)
  • 横版金句/封面:16:9(如 1920×1080);微信公众号头图 900×383
  • 微博配图:1:1 或 4:3;抖音/视频号封面:9:16(1080×1920)

适配思路:优先 pad(补边不裁内容、不变形)保全画面;追求满版无边则 crop 居中裁到目标比例; 仅需缩小体积用 resize/compress

Profile 感知

  • 有 Profile:水印文字默认用账号名/handle;输出比例默认贴合账号主平台(如小红书号默认 1080×1440)
  • 无 Profile:按用户显式参数执行,比例默认保持原图,水印需用户给文字

依赖与错误处理

  • 依赖:Pillow(已装,python -c "import PIL" 可用),纯标准库无其他第三方
  • 脚本内建边界检查:文件不存在 / 裁剪框越界 / 非法比例或颜色 → 退出码 2 并打印 ERROR:
  • 找不到系统中文字体时降级 PIL 默认字体并 WARN,可用 --font 指定
  • 自检:python skills/shared/scripts/image_ops.py --selftest

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.