| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138 | "use strict";Object.defineProperty(exports, "__esModule", {  value: true});exports["default"] = void 0;var _utils = require("@jimp/utils");/** * Rotates an image clockwise by an arbitrary number of degrees. NB: 'this' must be a Jimp object. * @param {number} deg the number of degrees to rotate the image by * @param {string|boolean} mode (optional) resize mode or a boolean, if false then the width and height of the image will not be changed */function advancedRotate(deg, mode) {  deg %= 360;  var rad = deg * Math.PI / 180;  var cosine = Math.cos(rad);  var sine = Math.sin(rad); // the final width and height will change if resize == true  var w = this.bitmap.width;  var h = this.bitmap.height;  if (mode === true || typeof mode === 'string') {    // resize the image to it maximum dimension and blit the existing image    // onto the center so that when it is rotated the image is kept in bounds    // http://stackoverflow.com/questions/3231176/how-to-get-size-of-a-rotated-rectangle    // Plus 1 border pixel to ensure to show all rotated result for some cases.    w = Math.ceil(Math.abs(this.bitmap.width * cosine) + Math.abs(this.bitmap.height * sine)) + 1;    h = Math.ceil(Math.abs(this.bitmap.width * sine) + Math.abs(this.bitmap.height * cosine)) + 1; // Ensure destination to have even size to a better result.    if (w % 2 !== 0) {      w++;    }    if (h % 2 !== 0) {      h++;    }    var c = this.cloneQuiet();    this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {      this.bitmap.data.writeUInt32BE(this._background, idx);    });    var max = Math.max(w, h, this.bitmap.width, this.bitmap.height);    this.resize(max, max, mode);    this.blit(c, this.bitmap.width / 2 - c.bitmap.width / 2, this.bitmap.height / 2 - c.bitmap.height / 2);  }  var bW = this.bitmap.width;  var bH = this.bitmap.height;  var dstBuffer = Buffer.alloc(this.bitmap.data.length);  function createTranslationFunction(deltaX, deltaY) {    return function (x, y) {      return {        x: x + deltaX,        y: y + deltaY      };    };  }  var translate2Cartesian = createTranslationFunction(-(bW / 2), -(bH / 2));  var translate2Screen = createTranslationFunction(bW / 2 + 0.5, bH / 2 + 0.5);  for (var y = 1; y <= bH; y++) {    for (var x = 1; x <= bW; x++) {      var cartesian = translate2Cartesian(x, y);      var source = translate2Screen(cosine * cartesian.x - sine * cartesian.y, cosine * cartesian.y + sine * cartesian.x);      var dstIdx = bW * (y - 1) + x - 1 << 2;      if (source.x >= 0 && source.x < bW && source.y >= 0 && source.y < bH) {        var srcIdx = (bW * (source.y | 0) + source.x | 0) << 2;        var pixelRGBA = this.bitmap.data.readUInt32BE(srcIdx);        dstBuffer.writeUInt32BE(pixelRGBA, dstIdx);      } else {        // reset off-image pixels        dstBuffer.writeUInt32BE(this._background, dstIdx);      }    }  }  this.bitmap.data = dstBuffer;  if (mode === true || typeof mode === 'string') {    // now crop the image to the final size    var _x = bW / 2 - w / 2;    var _y = bH / 2 - h / 2;    this.crop(_x, _y, w, h);  }}var _default = function _default() {  return {    /**     * Rotates the image clockwise by a number of degrees. By default the width and height of the image will be resized appropriately.     * @param {number} deg the number of degrees to rotate the image by     * @param {string|boolean} mode (optional) resize mode or a boolean, if false then the width and height of the image will not be changed     * @param {function(Error, Jimp)} cb (optional) a callback for when complete     * @returns {Jimp} this for chaining of methods     */    rotate: function rotate(deg, mode, cb) {      // enable overloading      if (typeof mode === 'undefined' || mode === null) {        // e.g. image.resize(120);        // e.g. image.resize(120, null, cb);        // e.g. image.resize(120, undefined, cb);        mode = true;      }      if (typeof mode === 'function' && typeof cb === 'undefined') {        // e.g. image.resize(120, cb);        cb = mode;        mode = true;      }      if (typeof deg !== 'number') {        return _utils.throwError.call(this, 'deg must be a number', cb);      }      if (typeof mode !== 'boolean' && typeof mode !== 'string') {        return _utils.throwError.call(this, 'mode must be a boolean or a string', cb);      }      advancedRotate.call(this, deg, mode, cb);      if ((0, _utils.isNodePattern)(cb)) {        cb.call(this, null, this);      }      return this;    }  };};exports["default"] = _default;//# sourceMappingURL=index.js.map
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