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drawio

Create diagrams as editable .drawio files and export them to PNG, SVG, or PDF with embedded diagram data for later editing. A bundled PNG export script uses the desktop app or a browser to render diagrams.

中文简介正在准备中。当前显示英语简介。

原文查看原文说明

Generate draw.io diagrams as .drawio files and export to PNG/SVG/PDF with embedded XML

查看安装方法

适用场景

  • Creating diagrams of services and external systems
  • Preparing PNG diagrams for Word documents
  • Sharing diagrams that can be edited again in draw.io
  • Exporting a folder of .drawio files to PNG

包含的文件(3)

  • SKILL.md3.1 KB
  • scripts/drawio-to-png.mjs11.7 KB
  • scripts/package.json170 B

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Draw.io Diagram Skill

Generate draw.io diagrams as native .drawio files and export them to PNG images that can be embedded in Word documents.

How to Create a Diagram

  1. Generate draw.io XML in mxGraphModel format for the requested diagram
  2. Write the XML to a .drawio file using the create/edit file tool
  3. Export to PNG using the bundled export script

Bundled Export Script

This skill includes drawio-to-png.mjs, a Node.js export script with two rendering backends:

  1. draw.io CLI (pixel-perfect, fastest) — used automatically if draw.io desktop is installed
  2. Official draw.io viewer in headless browser (pixel-perfect, needs Chromium/Edge) — fallback when CLI is unavailable

Usage

# Install dependencies (one-time, from the scripts folder)
cd skills/drawio/scripts && npm install

# Export a single diagram
node skills/drawio/scripts/drawio-to-png.mjs <input.drawio> [output.png]

# Export all .drawio files in a directory
node skills/drawio/scripts/drawio-to-png.mjs --dir <directory>

# Force a specific renderer
node skills/drawio/scripts/drawio-to-png.mjs --renderer=cli|viewer|auto <input.drawio>

Skill Folder Contents

FilePurpose
SKILL.mdThis instruction file
scripts/drawio-to-png.mjsNode.js export script (CLI + browser fallback)
scripts/package.jsonDependencies (puppeteer-core)

Supported Export Formats

FormatEmbed XMLNotes
pngYesViewable everywhere, editable in draw.io
svgYesScalable, editable in draw.io
pdfYesPrintable, editable in draw.io

Draw.io XML Style Conventions

Use these styles for consistent, professional diagrams:

<!-- Primary service (highlighted) -->
<mxCell style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;strokeWidth=2;arcSize=12;shadow=1;" />

<!-- External system -->
<mxCell style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#666666;" />

<!-- Success/processing stage -->
<mxCell style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" />

<!-- Warning/quality gate -->
<mxCell style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" />

<!-- Error/failure path -->
<mxCell style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;" />

<!-- Data store (cylinder) -->
<mxCell style="shape=cylinder3;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" />

<!-- Arrow -->
<mxCell style="edgeStyle=orthogonalEdgeStyle;rounded=1;strokeColor=#6c8ebf;strokeWidth=2;" />

Locating the draw.io CLI

Try drawio first (works if on PATH), then fall back:

  • Windows: "C:\Program Files\draw.io\draw.io.exe"
  • macOS: /Applications/draw.io.app/Contents/MacOS/draw.io
  • Linux: drawio (via snap/apt/flatpak)

CLI Export Command

drawio -x -f png -e -b 10 -o <output.png> <input.drawio>

Flags: -x (export), -f (format), -e (embed diagram XML), -b (border), -o (output path).

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