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import type { DOMMatrix } from "./dommatrix.ts";import ffi from "./ffi.ts";import type { Image } from "./image.ts";
const {  sk_pattern_new_image,  sk_pattern_destroy,  sk_pattern_set_transform,} = ffi;
const PATTERN_FINALIZER = new FinalizationRegistry((ptr: Deno.PointerValue) => {  sk_pattern_destroy(ptr);});
const repeat = {  repeat: 0,  ["repeat-x"]: 1,  ["repeat-y"]: 2,  ["no-repeat"]: 3,};
export type CanvasPatternImage = Image;export type CanvasPatternRepeat = keyof typeof repeat;
const _ptr = Symbol("[[ptr]]");
export class CanvasPattern {  [_ptr]: Deno.PointerValue;
  get _unsafePointer(): Deno.PointerValue {    return this[_ptr];  }
  constructor(image: CanvasPatternImage, repetition: CanvasPatternRepeat) {    if (image._unsafePointer === null) throw new Error("Image not loaded");    this[_ptr] = sk_pattern_new_image(image._unsafePointer, repeat[repetition]);    PATTERN_FINALIZER.register(this, this[_ptr]);  }
  setTransform(transform: DOMMatrix) {    sk_pattern_set_transform(      this[_ptr],      transform.a,      transform.b,      transform.c,      transform.d,      transform.e,      transform.f,    );  }}