Add gegl:cartoon.

source/gegl/cartoon.ts

@@ -0,0 +1,24 @@
+import {BaseOperation} from './base.js';
+
+export interface CartoonParameters {
+  maskRadius: number;
+  pctBlack: number;
+}
+
+export class Cartoon extends BaseOperation<CartoonParameters> {
+  public static default: CartoonParameters = {
+    maskRadius: 7,
+    pctBlack: 0.2,
+  };
+
+  public get default() {
+    return Cartoon.default;
+  }
+
+  public appendCrop = false;
+  public name = 'gegl:cartoon';
+
+  constructor(parameters?: Partial<CartoonParameters>) {
+    super({...Cartoon.default, ...parameters});
+  }
+}

source/gegl/exports.ts

@@ -1,4 +1,5 @@
 export * from './base.js';
+export * from './cartoon.js';
 export * from './cell-noise.js';
 export * from './crop.js';
 export * from './focus-blur.js';