createPaint method

dynamic createPaint(GlobalKey<State<StatefulWidget>> key)

Implementation

createPaint(
  GlobalKey key,
  // {Alignment alignment = Alignment.center,
  // Size size = const Size(double.maxFinite, double.maxFinite),
  // double devicePixelRatio = 1.0,
  // double pixelRatio = 1.0}
) async {
  // final widgetAsRepaintBoundary = RepaintBoundary(
  //   child: widget,
  //   key: key,
  // );

  _boundary =
      key.currentContext?.findRenderObject() as RenderRepaintBoundary?;

  if (_boundary != null) {
    // Ensure that the widget is actually rendered on the screen
    key.currentContext?.visitChildElements((element) {
      final renderObject = element.renderObject;
      if (renderObject is RenderRepaintBoundary) {
        // Trigger a repaint of the RenderRepaintBoundary
        renderObject.markNeedsPaint();
      }
    });

    // Wait for the next frame to ensure that the repaint is complete
    await Future.delayed(const Duration(milliseconds: 200));

    // Convert the widget to an image
    _imageAsDartUiImage = await _boundary!.toImage(pixelRatio: 6);
  }

  // await toDartUiImage(boundary);

  // await toByteData();

  // toUint8List();

  // toImage();
  // try {
  //   RenderRepaintBoundary repaintBoundary = RenderRepaintBoundary();
  //   // RenderView renderView = RendererBinding.instance.renderView;
  //   RenderView renderView = RenderView(
  //     child: RenderPositionedBox(
  //       alignment: alignment,
  //       child: repaintBoundary,
  //     ),
  //     configuration: ViewConfiguration(
  //       size: size,
  //       devicePixelRatio: devicePixelRatio,
  //     ),
  //     view: RendererBinding.instance.platformDispatcher.views.first,
  //   );

  //   PipelineOwner pipelineOwner = PipelineOwner();
  //   pipelineOwner.rootNode = renderView;
  //   renderView.prepareInitialFrame();

  //   BuildOwner buildOwner = BuildOwner(focusManager: FocusManager());
  //   RenderObjectToWidgetElement rootElement = RenderObjectToWidgetAdapter(
  //     container: repaintBoundary,
  //     child: widget,
  //   ).attachToRenderTree(buildOwner);
  //   buildOwner.buildScope(rootElement);
  //   buildOwner.finalizeTree();

  //   pipelineOwner.flushLayout();
  //   pipelineOwner.flushCompositingBits();
  //   pipelineOwner.flushPaint();

  //   _imageAsDartUiImage =
  //       await repaintBoundary.toImage(pixelRatio: pixelRatio);
  // } catch (e) {
  //   print(e);
  // }
}