@thi.ng/geom/scale-with-center.d.ts

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

import type { IShape } from "./api.js";
import type { ReadonlyVec } from "@thi.ng/vectors";
/**
 * Applies a sequence of translate and scale operations to return an uniformly
 * scaled version of the given shape using `center` as the point of reference.
 *
 * @remarks
 * This op is likely slower than using {@link transform} with a equivalent
 * transformation matrix (e.g. using [`scaleWithCenter()` from
 * thi.ng/matrices](https://docs.thi.ng/umbrella/matrices/functions/scaleWithCenter23.html)),
 * but will not change the shape type (as might be the case with `transform()`).
 *
 * Also see: {@link scale}, {@link translate}, {@link applyTransforms}.
 *
 * @param shape
 * @param center
 * @param factor
 */
export declare const scaleWithCenter: <T extends IShape>(shape: T, center: ReadonlyVec, factor: number) => T;
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