@thi.ng/geom/arc-length.d.ts

Functional, polymorphic API for 2D geometry types & SVG generation

import type { MultiFn1 } from "@thi.ng/defmulti";
import type { IShape } from "./api.js";
/**
 * Returns the arc length / perimeter / circumference of the given shape. For
 * groups calls {@link arcLength} for each child and returns the sum of results.
 *
 * Implemented for:
 *
 * - {@link Arc}
 * - {@link Circle}
 * - {@link ComplexPolygon}
 * - {@link Cubic}
 * - {@link Cubic3}
 * - {@link Ellipse}
 * - {@link Group} (total sum of child circumferences)
 * - {@link Group3} (total sum of child circumferences)
 * - {@link Line}
 * - {@link Line3}
 * - {@link Path}
 * - {@link Path3}
 * - {@link Polygon}
 * - {@link Polygon3}
 * - {@link Polyline}
 * - {@link Polyline3}
 * - {@link Quad}
 * - {@link Quad3}
 * - {@link Quadratic}
 * - {@link Quadratic3}
 * - {@link Rect}
 * - {@link Triangle}
 * - {@link Triangle3}
 *
 * For all other types the function returns 0.
 *
 * @param shape
 */
export declare const arcLength: MultiFn1<IShape, number>;
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