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Generate and manipulate images using the HTML5 Canvas API through a headless browser or node-canvas.
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| name | canvas |
| description | Generate and manipulate images using the HTML5 Canvas API through a headless browser or node-canvas. |
| metadata | {"openclaw":{"emoji":"🎨","requires":{}}} |
Create and manipulate images programmatically using canvas APIs.
const { createCanvas } = require('canvas');
const fs = require('fs');
const canvas = createCanvas(800, 600);
const ctx = canvas.getContext('2d');
ctx.fillStyle = '#1a1a2e';
ctx.fillRect(0, 0, 800, 600);
ctx.fillStyle = '#e94560';
ctx.font = 'bold 48px sans-serif';
ctx.fillText('Hello Canvas', 200, 300);
fs.writeFileSync('/tmp/canvas.png', canvas.toBuffer('image/png'));