From 010f2363bb7d25dfedb196547efd981d57e1e9a9 Mon Sep 17 00:00:00 2001
From: Bauke <me@bauke.xyz>
Date: Thu, 10 Mar 2022 18:22:02 +0100
Subject: [PATCH] Add gegl:diffraction-patterns.

---
 source/gegl/diffraction-patterns.ts | 48 +++++++++++++++++++++++++++++
 source/gegl/exports.ts              |  1 +
 2 files changed, 49 insertions(+)
 create mode 100644 source/gegl/diffraction-patterns.ts

diff --git a/source/gegl/diffraction-patterns.ts b/source/gegl/diffraction-patterns.ts
new file mode 100644
index 0000000..2e35e23
--- /dev/null
+++ b/source/gegl/diffraction-patterns.ts
@@ -0,0 +1,48 @@
+import {BaseOperation} from './base.js';
+
+export interface DiffractionPatternsParameters {
+  blueContours: number;
+  blueFrequency: number;
+  blueSedges: number;
+  brightness: number;
+  greenContours: number;
+  greenFrequency: number;
+  greenSedges: number;
+  height: number;
+  polarization: number;
+  redContours: number;
+  redFrequency: number;
+  redSedges: number;
+  scattering: number;
+  width: number;
+}
+
+export class DiffractionPatterns extends BaseOperation<DiffractionPatternsParameters> {
+  public static default: DiffractionPatternsParameters = {
+    blueContours: 0.97,
+    blueFrequency: 1.12,
+    blueSedges: 0.64,
+    brightness: 0.07,
+    greenContours: 0.82,
+    greenFrequency: 1.22,
+    greenSedges: 0.68,
+    height: 200,
+    polarization: -0.47,
+    redContours: 0.82,
+    redFrequency: 0.81,
+    redSedges: 0.61,
+    scattering: 37.13,
+    width: 200,
+  };
+
+  public get default() {
+    return DiffractionPatterns.default;
+  }
+
+  public appendCrop = true;
+  public name = 'gegl:diffraction-patterns';
+
+  constructor(parameters?: Partial<DiffractionPatternsParameters>) {
+    super({...DiffractionPatterns.default, ...parameters});
+  }
+}
diff --git a/source/gegl/exports.ts b/source/gegl/exports.ts
index 65fb66d..8c1bd09 100644
--- a/source/gegl/exports.ts
+++ b/source/gegl/exports.ts
@@ -2,6 +2,7 @@ export * from './base.js';
 export * from './cartoon.js';
 export * from './cell-noise.js';
 export * from './crop.js';
+export * from './diffraction-patterns.js';
 export * from './focus-blur.js';
 export * from './generic.js';
 export * from './median-blur.js';