debugPaint method

@override void debugPaint(Context context)

Implementation

@override
void debugPaint(Context context) {
  context.canvas
    ..setStrokeColor(PdfColors.green)
    ..setLineWidth(1)
    ..drawBox(box!);

  if (child == null) {
    context.canvas.strokePath();
    return;
  }

  if (child!.box!.bottom > 0) {
    final headSize = math.min(child!.box!.bottom * 0.2, 10);
    context.canvas
      ..moveTo(
        box!.left + child!.box!.horizontalCenter,
        box!.bottom,
      )
      ..lineTo(box!.left + child!.box!.horizontalCenter,
          box!.bottom + child!.box!.bottom)
      ..lineTo(box!.left + child!.box!.horizontalCenter - headSize,
          box!.bottom + child!.box!.bottom - headSize)
      ..moveTo(box!.left + child!.box!.horizontalCenter,
          box!.bottom + child!.box!.bottom)
      ..lineTo(box!.left + child!.box!.horizontalCenter + headSize,
          box!.bottom + child!.box!.bottom - headSize);
  }

  if (box!.bottom + child!.box!.top < box!.top) {
    final headSize =
        math.min((box!.top - child!.box!.top - box!.bottom) * 0.2, 10);
    context.canvas
      ..moveTo(box!.left + child!.box!.horizontalCenter, box!.top)
      ..lineTo(box!.left + child!.box!.horizontalCenter,
          box!.bottom + child!.box!.top)
      ..lineTo(box!.left + child!.box!.horizontalCenter - headSize,
          box!.bottom + child!.box!.top + headSize)
      ..moveTo(box!.left + child!.box!.horizontalCenter,
          box!.bottom + child!.box!.top)
      ..lineTo(box!.left + child!.box!.horizontalCenter + headSize,
          box!.bottom + child!.box!.top + headSize);
  }

  if (child!.box!.left > 0) {
    final headSize = math.min(child!.box!.left * 0.2, 10);
    context.canvas
      ..moveTo(box!.left, box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.left,
          box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.left - headSize,
          box!.bottom + child!.box!.verticalCenter - headSize)
      ..moveTo(box!.left + child!.box!.left,
          box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.left - headSize,
          box!.bottom + child!.box!.verticalCenter + headSize);
  }

  if (box!.left + child!.box!.right < box!.right) {
    final headSize =
        math.min((box!.right - child!.box!.right - box!.left) * 0.2, 10);
    context.canvas
      ..moveTo(box!.right, box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.right,
          box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.right + headSize,
          box!.bottom + child!.box!.verticalCenter - headSize)
      ..moveTo(box!.left + child!.box!.right,
          box!.bottom + child!.box!.verticalCenter)
      ..lineTo(box!.left + child!.box!.right + headSize,
          box!.bottom + child!.box!.verticalCenter + headSize);
  }

  context.canvas.strokePath();
}