import base64, json, sys, os
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from eda import run
page, x0, y0, x1, y1, out = sys.argv[1], float(sys.argv[2]), float(sys.argv[3]), float(sys.argv[4]), float(sys.argv[5]), sys.argv[6]
js = """
const sleep = ms => new Promise(r => setTimeout(r, ms));
await eda.dmt_EditorControl.openDocument('%s');
await sleep(1200);
await eda.dmt_EditorControl.zoomToRegion(%f, %f, %f, %f);
await sleep(1500);
const img = await eda.dmt_EditorControl.getCurrentRenderedAreaImage();
const bytes = new Uint8Array(await new Response(img).arrayBuffer());
let s=''; for (let i=0;i<bytes.length;i++) s += String.fromCharCode(bytes[i]);
return {b64: btoa(s)};
""" % (page, x0, x1, y1, y0)
r = run(js, timeout=120)
assert r.get('success'), json.dumps(r, ensure_ascii=False)[:400]
open(out, 'wb').write(base64.b64decode(r['result']['b64'])); print('->', out, os.path.getsize(out))