Function captureWindow

src/utils/computerUse/platforms/linux.ts:199–221

(hwnd)

  },

  async captureWindow(hwnd) {
    try {
      // Use xdotool to get window geometry, then import (ImageMagick) to capture
      if (commandExists('import')) {
        const jpgPath = '/tmp/cu-window-capture.jpg'
        await runAsync(['import', '-window', hwnd, '-quality', '75', jpgPath])

        // Get dimensions from xdotool
        const geom = run(['xdotool', 'getwindowgeometry', '--shell', hwnd])
        const wMatch = geom.match(/WIDTH=(\d+)/)
        const hMatch = geom.match(/HEIGHT=(\d+)/)
        const width = wMatch ? Number(wMatch[1]) : 0
        const height = hMatch ? Number(hMatch[1]) : 0

        const file = Bun.file(jpgPath)
        const buffer = await file.arrayBuffer()
        return { base64: Buffer.from(buffer).toString('base64'), width, height }
      }
      return null
    } catch {
      return null
    }
  },
}

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