Widget build()

in packages/diagrams/lib/src/blend_mode.dart [58:143]
86 lines of code
1 McCabe index (conditional complexity)

  Widget build(BuildContext context) {
    return ConstrainedBox(
      key: UniqueKey(),
      constraints: BoxConstraints.tight(const Size.square(400.0)),
      child: DecoratedBox(
        decoration: ShapeDecoration(
          shape: Border.all(width: 1.0, color: Colors.white) +
              Border.all(width: 1.0, color: Colors.black),
          image: const DecorationImage(
            image: gridImageProvider,
            repeat: ImageRepeat.repeat,
          ),
        ),
        child: AspectRatio(
          aspectRatio: 1.0,
          child: CustomPaint(
            key: key,
            painter: BlendModePainter(mode),
            child: Stack(
              children: <Widget>[
                Align(
                  alignment: Alignment.topLeft,
                  child: Container(
                    padding: const EdgeInsets.symmetric(
                        horizontal: 1.0, vertical: 3.0),
                    color: Colors.white,
                    child: Text(
                      '$mode',
                      style: const TextStyle(
                        inherit: false,
                        fontFamily: kMonospaceFont,
                        color: Colors.black,
                        fontSize: 10.0,
                        fontWeight: FontWeight.w900,
                      ),
                    ),
                  ),
                ),
                Align(
                  alignment: Alignment.bottomCenter,
                  child: Container(
                    margin: const EdgeInsets.all(1.0),
                    padding: const EdgeInsets.symmetric(
                        horizontal: 1.0, vertical: 1.0),
                    color: Colors.white,
                    child: const Text(
                      '⟵ destination ⟶',
                      style: TextStyle(
                        inherit: false,
                        fontFamily: kMonospaceFont,
                        color: Colors.black,
                        fontSize: 8.0,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  ),
                ),
                RotatedBox(
                  quarterTurns: 3,
                  child: Align(
                    alignment: Alignment.bottomCenter,
                    child: Container(
                      margin: const EdgeInsets.all(1.0),
                      padding: const EdgeInsets.symmetric(
                          horizontal: 1.0, vertical: 1.0),
                      color: Colors.white,
                      child: const Text(
                        '⟵ source ⟶',
                        style: TextStyle(
                          inherit: false,
                          fontFamily: kMonospaceFont,
                          color: Colors.black,
                          fontSize: 8.0,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }