widget_to_image

简介

在flutter中将Widget转化为Image的demo，

这个功能收录于https://medium.com/flutter-community/export-your-widget-to-image-with-flutter-dc7ecfa6bafb

官方：https://docs.flutter.io/flutter/rendering/RenderRepaintBoundary/toImage.html

原理已在注释中详细解释。

样例

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