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Filename : index.js
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"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _utils = require("@jimp/utils");

/**
 * Flip the image horizontally
 * @param {boolean} horizontal a Boolean, if true the image will be flipped horizontally
 * @param {boolean} vertical a Boolean, if true the image will be flipped vertically
 * @param {function(Error, Jimp)} cb (optional) a callback for when complete
 * @returns {Jimp} this for chaining of methods
 */
function flipFn(horizontal, vertical, cb) {
  if (typeof horizontal !== "boolean" || typeof vertical !== "boolean") return _utils.throwError.call(this, "horizontal and vertical must be Booleans", cb);
  var bitmap = Buffer.alloc(this.bitmap.data.length);
  this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
    var _x = horizontal ? this.bitmap.width - 1 - x : x;

    var _y = vertical ? this.bitmap.height - 1 - y : y;

    var _idx = this.bitmap.width * _y + _x << 2;

    var data = this.bitmap.data.readUInt32BE(idx);
    bitmap.writeUInt32BE(data, _idx);
  });
  this.bitmap.data = Buffer.from(bitmap);

  if ((0, _utils.isNodePattern)(cb)) {
    cb.call(this, null, this);
  }

  return this;
}

var _default = function _default() {
  return {
    flip: flipFn,
    mirror: flipFn
  };
};

exports["default"] = _default;
module.exports = exports.default;
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