/* tslint:disable */
/* eslint-disable */
/**
 * Scan grayscale image data for barcodes and QR codes.
 *
 * `data` must be an array of 8-bit grayscale pixel values,
 * row-major, with dimensions `width` x `height`.
 *
 * Returns an array of `DecodeResult` objects.
 */
export function scanGrayscale(data: Uint8Array, width: number, height: number, options?: ScanOptions | null): DecodeResult[];
/**
 * Scan an encoded image (PNG, JPEG, BMP, WebP) for barcodes and QR codes.
 *
 * `bytes` should contain the raw bytes of an image file in one of the
 * supported formats: PNG, JPEG, BMP, or WebP.
 *
 * The image will be automatically decoded and converted to grayscale
 * before scanning.
 *
 * Returns an array of `DecodeResult` objects.
 */
export function scanImageBytes(bytes: Uint8Array, options?: ScanOptions | null): DecodeResult[];
/**
 * Axis-aligned bounding rectangle of a decoded symbol in image
 * coordinates. `width` and `height` are reported as `max - min` of the
 * recorded points (i.e. the horizontal and vertical extent between the
 * outermost points), not as a pixel count.
 */
export class Bounds {
  private constructor();
  free(): void;
  [Symbol.dispose](): void;
  readonly x: number;
  readonly y: number;
  readonly width: number;
  readonly height: number;
}
/**
 * A decoded barcode/QR code result.
 */
export class DecodeResult {
  private constructor();
  free(): void;
  [Symbol.dispose](): void;
  /**
   * The barcode format name (e.g. "QR-Code", "EAN-13").
   */
  readonly symbolType: string;
  /**
   * Raw decoded bytes.
   *
   * For 2D codes (QR, SQ), these are the original bytes as encoded
   * in the barcode, before any text encoding or base64 conversion.
   */
  readonly data: Uint8Array;
  /**
   * Decoded data as text, or null if not decodable as text.
   *
   * For 2D codes, the text is produced by detecting the encoding (UTF-8,
   * Shift-JIS, Windows-1252, etc.) and converting to a UTF-8 string.
   * For linear barcodes, the data is always ASCII text.
   */
  readonly text: string | undefined;
  /**
   * The axis-aligned bounding rectangle of this symbol's recorded
   * points, or `null` if no points were recorded.
   */
  readonly bounds: Bounds | undefined;
  /**
   * The recorded position points of this symbol in image coordinates.
   *
   * For QR codes, this is the four corner points of the QR's bounding
   * rectangle (in implementation-defined order). For linear barcodes,
   * this is one or more touchpoints accumulated as the symbol was
   * scanned. Empty if no points were recorded.
   */
  readonly points: Point[];
}
/**
 * A 2D pixel coordinate in image space.
 */
export class Point {
  private constructor();
  free(): void;
  [Symbol.dispose](): void;
  readonly x: number;
  readonly y: number;
}
/**
 * Options for barcode scanning.
 *
 * All fields are optional and default to sensible values when omitted.
 *
 * ```js
 * // Use defaults (every supported symbology, retry enabled):
 * const results = scanGrayscale(data, width, height);
 *
 * // Disable automatic retry of small QR codes:
 * const results = scanGrayscale(data, width, height, { retryUndecodedRegions: false });
 *
 * // Restrict to QR codes only:
 * const results = scanGrayscale(data, width, height, { symbologies: ["QR-Code"] });
 * ```
 */
export class ScanOptions {
  free(): void;
  [Symbol.dispose](): void;
  /**
   * Create a new options object with defaults.
   */
  constructor();
  /**
   * Restrict scanning to the listed symbologies. When omitted, every
   * supported symbology is enabled.
   *
   * Names match the `symbolType` field on decode results: `"QR-Code"`,
   * `"SQ-Code"`, `"EAN-13"`, `"EAN-8"`, `"EAN-2"`, `"EAN-5"`,
   * `"UPC-A"`, `"UPC-E"`, `"ISBN-10"`, `"ISBN-13"`, `"I2/5"`,
   * `"DataBar"`, `"DataBar-Exp"`, `"Codabar"`, `"CODE-39"`,
   * `"CODE-93"`, `"CODE-128"`.
   */
  set symbologies(value: string[]);
  /**
   * Whether to automatically retry undecoded QR finder regions by
   * cropping and upscaling them. Default: `true`.
   */
  set retryUndecodedRegions(value: boolean);
}