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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
- class ImageData {
- get width() {
- return this._width;
- }
- get height() {
- return this._height;
- }
- get data() {
- return this._data;
- }
- constructor(arr, w, h) {
- _defineProperty(this, "_width", 0);
- _defineProperty(this, "_height", 0);
- _defineProperty(this, "_data", null);
- if (arguments.length === 2) {
- if (arr instanceof Uint8ClampedArray) {
- if (arr.length === 0) throw new RangeError('Source length must be a positive multiple of 4.');
- if (arr.length % 4 !== 0) throw new RangeError('Source length must be a positive multiple of 4.');
- if (!Number.isFinite(w)) throw new RangeError('The width is zero or not a number.');
- if (w === 0) throw new RangeError('The width is zero or not a number.');
- this._width = w;
- this._height = arr.length / 4 / w;
- this._data = arr;
- } else {
- const width = arr;
- const height = w;
- if (!Number.isFinite(height)) throw new RangeError('The height is zero or not a number.');
- if (height === 0) throw new RangeError('The height is zero or not a number.');
- if (!Number.isFinite(width)) throw new RangeError('The width is zero or not a number.');
- if (width === 0) throw new RangeError('The width is zero or not a number.');
- this._width = width;
- this._height = height;
- this._data = new Uint8ClampedArray(width * height * 4);
- }
- } else if (arguments.length === 3) {
- if (!(arr instanceof Uint8ClampedArray)) throw new TypeError('First argument must be a Uint8ClampedArray when using 3 arguments.');
- if (arr.length === 0) throw new RangeError('Source length must be a positive multiple of 4.');
- if (arr.length % 4 !== 0) throw new RangeError('Source length must be a positive multiple of 4.');
- if (!Number.isFinite(h)) throw new RangeError('The height is zero or not a number.');
- if (h === 0) throw new RangeError('The height is zero or not a number.');
- if (!Number.isFinite(w)) throw new RangeError('The width is zero or not a number.');
- if (w === 0) throw new RangeError('The width is zero or not a number.');
- if (arr.length !== w * h * 4) throw new RangeError('Source doesn\'n contain the exact number of pixels needed.');
- this._width = w;
- this._height = h;
- this._data = arr;
- } else {
- throw new TypeError('Wrong number of arguments provided.');
- }
- }
- }
- exports.default = ImageData;
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