Add gegl:waterpixels.

source/gegl/exports.ts

@@ -14,4 +14,5 @@ export * from './simplex-noise.js';
 export * from './softglow.js';
 export * from './stereographic-projection.js';
 export * from './tile-seamless.js';
+export * from './waterpixels.js';
 export * from './waves.js';

source/gegl/waterpixels.ts

@@ -0,0 +1,28 @@
+import {BaseOperation} from './base.js';
+
+export interface WaterpixelsParameters {
+  fill: 'average' | 'random';
+  regularization: number;
+  size: number;
+  smoothness: number;
+}
+
+export class Waterpixels extends BaseOperation<WaterpixelsParameters> {
+  public static default: WaterpixelsParameters = {
+    fill: 'average',
+    regularization: 0,
+    size: 32,
+    smoothness: 1,
+  };
+
+  public get default() {
+    return Waterpixels.default;
+  }
+
+  public appendCrop = false;
+  public name = 'gegl:waterpixels';
+
+  constructor(parameters?: Partial<WaterpixelsParameters>) {
+    super({...Waterpixels.default, ...parameters});
+  }
+}