847 Create An Image Full -

// Write to PNG const out = fs.createWriteStream('node_canvas_full_847.png'); const stream = canvas.createPNGStream(); stream.pipe(out); out.on('finish', () => console.log('✅ Canvas image saved')); – node-canvas uses cairo under the hood; ensure your host has sufficient shared memory ( /dev/shm ) if you scale to > 10 k px. 5.4 C# – SkiaSharp (Cross‑Platform) using SkiaSharp; using System.IO;

Style = SKPaintStyle.Stroke, Color = SKColors.White, StrokeWidth = 5 ; canvas.DrawCircle(W / 2f, H / 2f, W / 4f, paint); 847 create an image full

# Draw a white circle cv2.circle(img, (W//2, H//2), W//4, (255,255,255), thickness=5) // Write to PNG const out = fs