Blue Thistle

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500" width="100%"><path d="M408.5,282.5Q452,315,401,319Q350,323,368,380Q386,437,353,450.5Q320,464,285,446.5Q250,429,229,404Q208,379,180,382Q152,385,148,356Q144,327,150,303.5Q156,280,99.5,265Q43,250,31,212.5Q19,175,34.5,140Q50,105,87,90.5Q124,76,174.5,125Q225,174,237.5,97Q250,20,260.5,103Q271,186,306.5,155Q342,124,371,132.5Q400,141,419.5,165Q439,189,402,219.5Q365,250,408.5,282.5Z" fill="#1e8fe5"/></svg>

.blob {
  width: 500px;
  height: 500px;
  clip-path: path("M408.5,282.5Q452,315,401,319Q350,323,368,380Q386,437,353,450.5Q320,464,285,446.5Q250,429,229,404Q208,379,180,382Q152,385,148,356Q144,327,150,303.5Q156,280,99.5,265Q43,250,31,212.5Q19,175,34.5,140Q50,105,87,90.5Q124,76,174.5,125Q225,174,237.5,97Q250,20,260.5,103Q271,186,306.5,155Q342,124,371,132.5Q400,141,419.5,165Q439,189,402,219.5Q365,250,408.5,282.5Z");
}

/**
 * Blob — generated by blobs.app.
 *
 * Drop this file into your project and render <Blob /> anywhere.
 */
import { useId } from 'react';

export interface BlobProps {
  /** Rendered width and height. A number is treated as px. Defaults to 100%. */
  size?: number | string;
  /** Class name for the root svg element. */
  className?: string;
  /** Accessible name. Without it the graphic is hidden from assistive tech. */
  title?: string;
}

export function Blob({ size = '100%', className, title }: BlobProps) {
  // Unique per instance, so two blobs on one page never share a def id.
  const uid = useId().replace(/[^a-zA-Z0-9]/g, '');
  const titleId = `blob-title-${uid}`;

  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 500 500"
      width={size}
      height={size}
      className={className}
      role={title ? 'img' : undefined}
      aria-labelledby={title ? titleId : undefined}
      aria-hidden={title ? undefined : true}
    >
      {title ? <title id={titleId}>{title}</title> : null}
      <path
        d="M408.5,282.5Q452,315,401,319Q350,323,368,380Q386,437,353,450.5Q320,464,285,446.5Q250,429,229,404Q208,379,180,382Q152,385,148,356Q144,327,150,303.5Q156,280,99.5,265Q43,250,31,212.5Q19,175,34.5,140Q50,105,87,90.5Q124,76,174.5,125Q225,174,237.5,97Q250,20,260.5,103Q271,186,306.5,155Q342,124,371,132.5Q400,141,419.5,165Q439,189,402,219.5Q365,250,408.5,282.5Z"
        fill="#1e8fe5"
      />
    </svg>
  );
}

export default Blob;

// Generated by blobs.app.
//
// Paint the blob:
//   CustomPaint(painter: BlobPainter(), size: const Size(300, 300))
//
// Or clip a widget to it:
//   ClipPath(clipper: BlobClipper(), child: child)

import 'dart:ui' as ui;

import 'package:flutter/material.dart';

/// The blob outline, scaled from its 500x500 design space to [size].
Path buildBlobPath(Size size) {
  final double sx = size.width / 500.0;
  final double sy = size.height / 500.0;
  final Path path = Path();
  path.moveTo(408.5 * sx, 282.5 * sy);
  path.quadraticBezierTo(452.0 * sx, 315.0 * sy, 401.0 * sx, 319.0 * sy);
  path.quadraticBezierTo(350.0 * sx, 323.0 * sy, 368.0 * sx, 380.0 * sy);
  path.quadraticBezierTo(386.0 * sx, 437.0 * sy, 353.0 * sx, 450.5 * sy);
  path.quadraticBezierTo(320.0 * sx, 464.0 * sy, 285.0 * sx, 446.5 * sy);
  path.quadraticBezierTo(250.0 * sx, 429.0 * sy, 229.0 * sx, 404.0 * sy);
  path.quadraticBezierTo(208.0 * sx, 379.0 * sy, 180.0 * sx, 382.0 * sy);
  path.quadraticBezierTo(152.0 * sx, 385.0 * sy, 148.0 * sx, 356.0 * sy);
  path.quadraticBezierTo(144.0 * sx, 327.0 * sy, 150.0 * sx, 303.5 * sy);
  path.quadraticBezierTo(156.0 * sx, 280.0 * sy, 99.5 * sx, 265.0 * sy);
  path.quadraticBezierTo(43.0 * sx, 250.0 * sy, 31.0 * sx, 212.5 * sy);
  path.quadraticBezierTo(19.0 * sx, 175.0 * sy, 34.5 * sx, 140.0 * sy);
  path.quadraticBezierTo(50.0 * sx, 105.0 * sy, 87.0 * sx, 90.5 * sy);
  path.quadraticBezierTo(124.0 * sx, 76.0 * sy, 174.5 * sx, 125.0 * sy);
  path.quadraticBezierTo(225.0 * sx, 174.0 * sy, 237.5 * sx, 97.0 * sy);
  path.quadraticBezierTo(250.0 * sx, 20.0 * sy, 260.5 * sx, 103.0 * sy);
  path.quadraticBezierTo(271.0 * sx, 186.0 * sy, 306.5 * sx, 155.0 * sy);
  path.quadraticBezierTo(342.0 * sx, 124.0 * sy, 371.0 * sx, 132.5 * sy);
  path.quadraticBezierTo(400.0 * sx, 141.0 * sy, 419.5 * sx, 165.0 * sy);
  path.quadraticBezierTo(439.0 * sx, 189.0 * sy, 402.0 * sx, 219.5 * sy);
  path.quadraticBezierTo(365.0 * sx, 250.0 * sy, 408.5 * sx, 282.5 * sy);
  path.close();
  return path;
}

class BlobPainter extends CustomPainter {
  const BlobPainter();

  @override
  void paint(Canvas canvas, Size size) {
    final Path path = buildBlobPath(size);
    final Paint paint = Paint()
      ..isAntiAlias = true
      ..color = const Color(0xFF1E8FE5);
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRepaint(covariant BlobPainter oldDelegate) => false;
}

/// Clips any widget to the same shape: ClipPath(clipper: BlobClipper(), ...).
class BlobClipper extends CustomClipper<Path> {
  const BlobClipper();

  @override
  Path getClip(Size size) => buildBlobPath(size);

  @override
  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
}