captureScreenshot function
Implementation
Future<String> captureScreenshot(GlobalKey widgetKey) async {
await Future.delayed(const Duration(seconds: 1));
final boundary =
widgetKey.currentContext?.findRenderObject() as RenderRepaintBoundary?;
final image = await boundary?.toImage(
pixelRatio: Catalog().pixelRatio,
);
final byteData = await image?.toByteData(format: ui.ImageByteFormat.png);
if (byteData == null) {
return '';
}
return base64.encode(byteData.buffer.asUint8List().toList());
}