drawPoints我正在调用如下函数,该函数遵循API 文档
final paint = new Paint()
..color = Colors.blue[400]
..strokeCap = StrokeCap.round;
var offsetList = [new Offset(2.0, 5.0), new Offset(50.0, 100.0)];
canvas.drawPoints(const PointMode(1), offsetList, paint);
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当我传入 时const PointMode(1),canvas.drawPoints它会抛出编译器错误。传递到这个函数的正确方法是什么PointMode?