restore backup and add opencode support

dist/nls-guilloche/nls/services/math.service.d.ts

@@ -0,0 +1,44 @@
+import { Point } from './../models/point.model';
+export declare class NlsMathService {
+    /**
+     * Calculate distance between to points with coordinates.
+     * @param a
+     * @param b
+     */
+    Δ(a: Point, b: Point): number;
+    getClosestCenter(point: Point, matrix: any): any;
+    getFarestCenter(point: Point, matrix: any): any;
+    randomPoint(matrix: any, overlap: number): {
+        x: any;
+        y: any;
+    };
+    centerOfArea(width: any, height: any): Point;
+    centerOfPoints(p1: Point, p2: Point): {
+        x: number;
+        y: number;
+    };
+    centerOfCurve(curve: Point[]): {
+        x: number;
+        y: number;
+    } & {
+        ascent: number;
+    };
+    medianOfCurve(curve: Point[]): Point & {
+        ascent: number;
+    };
+    angleRadians(p1: Point, p2: Point): number;
+    angleDegree(p1: Point, p2: Point): number;
+    medianIndex(list: any): number;
+    medianPoint(points: Point[]): IterableIterator<Point>;
+    /**
+     * Generator for sine bounce
+     *
+     * @param start 0 indicates to initiate with positive numbers, 1 indicates to
+     * start with negative numbers first
+     * @param amplitude default to 1 indicates the amplitude in positive as well
+     * in negative range
+     * @param decimals amount of decimal places
+     */
+    bounce(amplitude?: number, decimals?: number, start?: number): IterableIterator<number>;
+    flipSign(startPositive?: boolean): IterableIterator<number>;
+}