image-js/lib/image/filter/abs.js

Image processing and manipulation in JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = abs;
var _getOutputImage = require("../internal/getOutputImage");
/**
 * Calculate the absolute values of an image.
 * Only works on 32-bit images.
 * @memberof Image
 * @instance
 * @param {object} [options]
 * @param {boolean} [options.inPlace=false]
 * @param {Image} [options.out]
 * @return {Image}
 */
function abs(options = {}) {
  this.checkProcessable('abs', {
    bitDepth: [32]
  });
  const out = (0, _getOutputImage.getOutputImageOrInPlace)(this, options);
  absolute(this, out);
  return out;
}
function absolute(image, out) {
  for (let i = 0; i < image.data.length; i++) {
    out.data[i] = Math.abs(image.data[i]);
  }
}