createDashedPath function

Path createDashedPath(Path source, List<num> dashArray)

Implementation

Path createDashedPath(Path source, List<num> dashArray) {
  final result = Path();

  for (final metric in source.computeMetrics()) {
    var dashIndex = 0;
    var distance = 0.0;
    var drawDash = true;

    while (distance < metric.length) {
      final currentDash = dashArray.elementAt(dashIndex);

      if (drawDash) {
        result.addPath(
          metric.extractPath(distance, distance + currentDash),
          Offset.zero,
        );
      }

      distance += currentDash;
      drawDash = !drawDash;
      dashIndex++;

      if (dashIndex >= dashArray.length) {
        dashIndex = 0;
      }
    }
  }

  return result;
}