image-js/lib/image/filter/scharrFilter.js

Image processing and manipulation in JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = scharrFilter;
var _kernels = require("../../util/kernels");
var _gradientFilter = _interopRequireDefault(require("./gradientFilter"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
 * Applies the Scharr operator.
 * @memberof Image
 * @instance
 * @param {object} [options]
 * @param {GradientDirection} [options.direction]
 * @param {string} [options.border='copy']
 * @param {*} [options.channels]
 * @param {number} [options.bitDepth=this.bitDepth] Specify the bitDepth of the resulting image
 * @return {Image}
 * @see {@link https://en.wikipedia.org/wiki/Sobel_operator#Alternative_operators}
 */
function scharrFilter(options) {
  return _gradientFilter.default.call(this, Object.assign({}, options, {
    kernelX: _kernels.SCHARR_X,
    kernelY: _kernels.SCHARR_Y
  }));
}