box shape 종류에는 무엇이 있을까 https://api.flutter.dev/flutter/painting/BoxShape.html BoxShape enum - painting library - Dart API The shape to use when rendering a Border or BoxDecoration. Consider using ShapeBorder subclasses directly (with ShapeDecoration), instead of using BoxShape and Border, if the shapes will need to be interpolated or animated. The Border class cannot interpol api.flutter.dev 문서에..