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node_modules/@pdf-lib/upng/index.d.ts

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+// ------------------------------------------- //
+//                                             //
+// Copied from: https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/upng-js/index.d.ts
+//                                             //
+// ------------------------------------------- //
+
+// Type definitions for upng-js 2.1
+// Project: https://github.com/photopea/UPNG.js
+// Definitions by: York Yao <https://github.com/plantain-00>, Sophie Kirschner <https://github.com/pineapplemachine>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface ImageFrameRect {
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+}
+
+export interface ImageFrame {
+  rect: ImageFrameRect;
+  delay: number;
+  dispose: number;
+  blend: number;
+}
+
+export interface ImageTabACTL {
+  num_frames: number;
+  num_plays: number;
+}
+
+export interface ImageTabText {
+  [key: string]: string;
+}
+
+export interface ImageTabs {
+  acTL?: ImageTabACTL;
+  pHYs?: number[];
+  cHRM?: number[];
+  tEXt?: ImageTabText;
+  iTXt?: ImageTabText;
+  PLTE?: number[];
+  hIST?: number[];
+  tRNS?: number | number[]; // Depends on ctype
+  gAMA?: number;
+  sRGB?: number;
+  bKGD?: number | number[]; // Depends on ctype
+}
+
+export interface Image {
+  width: number;
+  height: number;
+  depth: number;
+  ctype: number;
+  frames: ImageFrame[];
+  tabs: ImageTabs;
+  data: ArrayBuffer;
+}
+
+export interface QuantizeResult {
+  abuf: ArrayBuffer;
+  inds: Uint8Array;
+  // Type is complicated and I am too lazy to work it out right now, sorry!
+  plte: any[];
+}
+
+export function encode(
+  imgs: ArrayBuffer[],
+  w: number,
+  h: number,
+  cnum: number,
+  dels?: number[],
+): ArrayBuffer;
+
+export function encodeLL(
+  imgs: ArrayBuffer[],
+  w: number,
+  h: number,
+  cc: number,
+  ac: number,
+  depth: number,
+  dels?: number[],
+): ArrayBuffer;
+
+export function decode(buffer: ArrayBuffer): Image;
+
+export function toRGBA8(out: Image): ArrayBuffer[];
+
+export function quantize(data: ArrayBuffer, psize: number): QuantizeResult;