text: "use strict";
  
  var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  
  require("core-js/modules/es.array.for-each");
  
  require("core-js/modules/es.array.is-array");
  
  require("core-js/modules/es.array.map");
  
  require("core-js/modules/es.parse-int");
  
  require("core-js/modules/web.dom-collections.for-each");
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports["default"] = void 0;
  
  var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
  
  var _tinycolor = _interopRequireDefault(require("tinycolor2"));
  
  var _utils = require("@jimp/utils");
  
  function applyKernel(im, kernel, x, y) {
    var value = [0, 0, 0];
    var size = (kernel.length - 1) / 2;
  
    for (var kx = 0; kx < kernel.length; kx += 1) {
      for (var ky = 0; ky < kernel[kx].length; ky += 1) {
        var idx = im.getPixelIndex(x + kx - size, y + ky - size);
        value[0] += im.bitmap.data[idx] * kernel[kx][ky];
        value[1] += im.bitmap.data[idx + 1] * kernel[kx][ky];
        value[2] += im.bitmap.data[idx + 2] * kernel[kx][ky];
      }
    }
  
    return value;
  }
  
  var isDef = function isDef(v) {
    return typeof v !== 'undefined' && v !== null;
  };
  
  function greyscale(cb) {
    this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
      var grey = parseInt(0.2126 * this.bitmap.data[idx] + 0.7152 * this.bitmap.data[idx + 1] + 0.0722 * this.bitmap.data[idx + 2], 10);
      this.bitmap.data[idx] = grey;
      this.bitmap.data[idx + 1] = grey;
      this.bitmap.data[idx + 2] = grey;
    });
  
    if ((0, _utils.isNodePattern)(cb)) {
      cb.call(this, null, this);
    }
  
    return this;
  }
  
  function mix(clr, clr2) {
    var p = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 50;
    return {
      r: (clr2.r - clr.r) * (p / 100) + clr.r,
      g: (clr2.g - clr.g) * (p / 100) + clr.g,
      b: (clr2.b - clr.b) * (p / 100) + clr.b
    };
  }
  
  function colorFn(actions, cb) {
    var _this = this;
  
    if (!actions || !Array.isArray(actions)) {
      return _utils.throwError.call(this, 'actions must be an array', cb);
    }
  
    actions = actions.map(function (action) {
      if (action.apply === 'xor' || action.apply === 'mix') {
        action.params[0] = (0, _tinycolor["default"])(action.params[0]).toRgb();
      }
  
      return action;
    });
    this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
      var clr = {
        r: _this.bitmap.data[idx],
        g: _this.bitmap.data[idx + 1],
        b: _this.bitmap.data[idx + 2]
      };
  
      var colorModifier = function colorModifier(i, amount) {
        return _this.constructor.limit255(clr[i] + amount);
      };
  
      actions.forEach(function (action) {
        if (action.apply === 'mix') {
          clr = mix(clr, action.params[0], action.params[1]);
        } else if (action.apply === 'tint') {
          clr = mix(clr, {
            r: 255,
            g: 255,
            b: 255
          }, action.params[0]);
        } else if (action.apply === 'shade') {
          clr = mix(clr, {
            r: 0,
            g: 0,
            b: 0
          }, action.params[0]);
        } else if (action.apply === 'xor') {
          clr = {
            r: clr.r ^ action.params[0].r,
            g: clr.g ^ action.params[0].g,
            b: clr.b ^ action.params[0].b
          };
        } else if (action.apply === 'red') {
          clr.r = colorModifier('r', action.params[0]);
        } else if (action.apply === 'green') {
          clr.g = colorModifier('g', action.params[0]);
        } else if (action.apply === 'blue') {
          clr.b = colorModifier('b', action.params[0]);
        } else {
          var _clr;
  
          if (action.apply === 'hue') {
            action.apply = 'spin';
          }
  
          clr = (0, _tinycolor["default"])(clr);
  
          if (!clr[action.apply]) {
            return _utils.throwError.call(_this, 'action ' + action.apply + ' not supported', cb);
          }
  
          clr = (_clr = clr)[action.apply].apply(_clr, (0, _toConsumableArray2["default"])(action.params)).toRgb();
        }
      });
      _this.bitmap.data[idx] = clr.r;
      _this.bitmap.data[idx + 1] = clr.g;
      _this.bitmap.data[idx + 2] = clr.b;
    });
  
    if ((0, _utils.isNodePattern)(cb)) {
      cb.call(this, null, this);
    }
  
    return this;
  }
  
  var _default = function _default() {
    return {
      /**
       * Adjusts the brightness of the image
       * @param {number} val the amount to adjust the brightness, a number between -1 and +1
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      brightness: function brightness(val, cb) {
        if (typeof val !== 'number') {
          return _utils.throwError.call(this, 'val must be numbers', cb);
        }
  
        if (val < -1 || val > +1) {
          return _utils.throwError.call(this, 'val must be a number between -1 and +1', cb);
        }
  
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          if (val < 0.0) {
            this.bitmap.data[idx] = this.bitmap.data[idx] * (1 + val);
            this.bitmap.data[idx + 1] = this.bitmap.data[idx + 1] * (1 + val);
            this.bitmap.data[idx + 2] = this.bitmap.data[idx + 2] * (1 + val);
          } else {
            this.bitmap.data[idx] = this.bitmap.data[idx] + (255 - this.bitmap.data[idx]) * val;
            this.bitmap.data[idx + 1] = this.bitmap.data[idx + 1] + (255 - this.bitmap.data[idx + 1]) * val;
            this.bitmap.data[idx + 2] = this.bitmap.data[idx + 2] + (255 - this.bitmap.data[idx + 2]) * val;
          }
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Adjusts the contrast of the image
       * @param {number} val the amount to adjust the contrast, a number between -1 and +1
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      contrast: function contrast(val, cb) {
        if (typeof val !== 'number') {
          return _utils.throwError.call(this, 'val must be numbers', cb);
        }
  
        if (val < -1 || val > +1) {
          return _utils.throwError.call(this, 'val must be a number between -1 and +1', cb);
        }
  
        var factor = (val + 1) / (1 - val);
  
        function adjust(value) {
          value = Math.floor(factor * (value - 127) + 127);
          return value < 0 ? 0 : value > 255 ? 255 : value;
        }
  
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          this.bitmap.data[idx] = adjust(this.bitmap.data[idx]);
          this.bitmap.data[idx + 1] = adjust(this.bitmap.data[idx + 1]);
          this.bitmap.data[idx + 2] = adjust(this.bitmap.data[idx + 2]);
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Apply a posterize effect
       * @param {number} n the amount to adjust the contrast, minimum threshold is two
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      posterize: function posterize(n, cb) {
        if (typeof n !== 'number') {
          return _utils.throwError.call(this, 'n must be numbers', cb);
        }
  
        if (n < 2) {
          n = 2;
        } // minimum of 2 levels
  
  
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          this.bitmap.data[idx] = Math.floor(this.bitmap.data[idx] / 255 * (n - 1)) / (n - 1) * 255;
          this.bitmap.data[idx + 1] = Math.floor(this.bitmap.data[idx + 1] / 255 * (n - 1)) / (n - 1) * 255;
          this.bitmap.data[idx + 2] = Math.floor(this.bitmap.data[idx + 2] / 255 * (n - 1)) / (n - 1) * 255;
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Removes colour from the image using ITU Rec 709 luminance values
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      greyscale: greyscale,
      // Alias of greyscale for our American friends
      grayscale: greyscale,
  
      /**
       * Multiplies the opacity of each pixel by a factor between 0 and 1
       * @param {number} f A number, the factor by which to multiply the opacity of each pixel
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      opacity: function opacity(f, cb) {
        if (typeof f !== 'number') return _utils.throwError.call(this, 'f must be a number', cb);
        if (f < 0 || f > 1) return _utils.throwError.call(this, 'f must be a number from 0 to 1', cb);
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          var v = this.bitmap.data[idx + 3] * f;
          this.bitmap.data[idx + 3] = v;
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Applies a sepia tone to the image
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      sepia: function sepia(cb) {
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          var red = this.bitmap.data[idx];
          var green = this.bitmap.data[idx + 1];
          var blue = this.bitmap.data[idx + 2];
          red = red * 0.393 + green * 0.769 + blue * 0.189;
          green = red * 0.349 + green * 0.686 + blue * 0.168;
          blue = red * 0.272 + green * 0.534 + blue * 0.131;
          this.bitmap.data[idx] = red < 255 ? red : 255;
          this.bitmap.data[idx + 1] = green < 255 ? green : 255;
          this.bitmap.data[idx + 2] = blue < 255 ? blue : 255;
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Fades each pixel by a factor between 0 and 1
       * @param {number} f A number from 0 to 1. 0 will haven no effect. 1 will turn the image completely transparent.
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      fade: function fade(f, cb) {
        if (typeof f !== 'number') {
          return _utils.throwError.call(this, 'f must be a number', cb);
        }
  
        if (f < 0 || f > 1) {
          return _utils.throwError.call(this, 'f must be a number from 0 to 1', cb);
        } // this method is an alternative to opacity (which may be deprecated)
  
  
        this.opacity(1 - f);
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Adds each element of the image to its local neighbors, weighted by the kernel
       * @param {array} kernel a matrix to weight the neighbors sum
       * @param {string} edgeHandling (optional) define how to sum pixels from outside the border
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      convolution: function convolution(kernel, edgeHandling, cb) {
        if (typeof edgeHandling === 'function' && typeof cb === 'undefined') {
          cb = edgeHandling;
          edgeHandling = null;
        }
  
        if (!edgeHandling) {
          edgeHandling = this.constructor.EDGE_EXTEND;
        }
  
        var newData = Buffer.from(this.bitmap.data);
        var kRows = kernel.length;
        var kCols = kernel[0].length;
        var rowEnd = Math.floor(kRows / 2);
        var colEnd = Math.floor(kCols / 2);
        var rowIni = -rowEnd;
        var colIni = -colEnd;
        var weight;
        var rSum;
        var gSum;
        var bSum;
        var ri;
        var gi;
        var bi;
        var xi;
        var yi;
        var idxi;
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          bSum = 0;
          gSum = 0;
          rSum = 0;
  
          for (var row = rowIni; row <= rowEnd; row++) {
            for (var col = colIni; col <= colEnd; col++) {
              xi = x + col;
              yi = y + row;
              weight = kernel[row + rowEnd][col + colEnd];
              idxi = this.getPixelIndex(xi, yi, edgeHandling);
  
              if (idxi === -1) {
                bi = 0;
                gi = 0;
                ri = 0;
              } else {
                ri = this.bitmap.data[idxi + 0];
                gi = this.bitmap.data[idxi + 1];
                bi = this.bitmap.data[idxi + 2];
              }
  
              rSum += weight * ri;
              gSum += weight * gi;
              bSum += weight * bi;
            }
          }
  
          if (rSum < 0) {
            rSum = 0;
          }
  
          if (gSum < 0) {
            gSum = 0;
          }
  
          if (bSum < 0) {
            bSum = 0;
          }
  
          if (rSum > 255) {
            rSum = 255;
          }
  
          if (gSum > 255) {
            gSum = 255;
          }
  
          if (bSum > 255) {
            bSum = 255;
          }
  
          newData[idx + 0] = rSum;
          newData[idx + 1] = gSum;
          newData[idx + 2] = bSum;
        });
        this.bitmap.data = newData;
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Set the alpha channel on every pixel to fully opaque
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      opaque: function opaque(cb) {
        this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
          this.bitmap.data[idx + 3] = 255;
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Pixelates the image or a region
       * @param {number} size the size of the pixels
       * @param {number} x (optional) the x position of the region to pixelate
       * @param {number} y (optional) the y position of the region to pixelate
       * @param {number} w (optional) the width of the region to pixelate
       * @param {number} h (optional) the height of the region to pixelate
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      pixelate: function pixelate(size, x, y, w, h, cb) {
        if (typeof x === 'function') {
          cb = x;
          h = null;
          w = null;
          y = null;
          x = null;
        } else {
          if (typeof size !== 'number') {
            return _utils.throwError.call(this, 'size must be a number', cb);
          }
  
          if (isDef(x) && typeof x !== 'number') {
            return _utils.throwError.call(this, 'x must be a number', cb);
          }
  
          if (isDef(y) && typeof y !== 'number') {
            return _utils.throwError.call(this, 'y must be a number', cb);
          }
  
          if (isDef(w) && typeof w !== 'number') {
            return _utils.throwError.call(this, 'w must be a number', cb);
          }
  
          if (isDef(h) && typeof h !== 'number') {
            return _utils.throwError.call(this, 'h must be a number', cb);
          }
        }
  
        var kernel = [[1 / 16, 2 / 16, 1 / 16], [2 / 16, 4 / 16, 2 / 16], [1 / 16, 2 / 16, 1 / 16]];
        x = x || 0;
        y = y || 0;
        w = isDef(w) ? w : this.bitmap.width - x;
        h = isDef(h) ? h : this.bitmap.height - y;
        var source = this.cloneQuiet();
        this.scanQuiet(x, y, w, h, function (xx, yx, idx) {
          xx = size * Math.floor(xx / size);
          yx = size * Math.floor(yx / size);
          var value = applyKernel(source, kernel, xx, yx);
          this.bitmap.data[idx] = value[0];
          this.bitmap.data[idx + 1] = value[1];
          this.bitmap.data[idx + 2] = value[2];
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Applies a convolution kernel to the image or a region
       * @param {array} kernel the convolution kernel
       * @param {number} x (optional) the x position of the region to apply convolution to
       * @param {number} y (optional) the y position of the region to apply convolution to
       * @param {number} w (optional) the width of the region to apply convolution to
       * @param {number} h (optional) the height of the region to apply convolution to
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      convolute: function convolute(kernel, x, y, w, h, cb) {
        if (!Array.isArray(kernel)) return _utils.throwError.call(this, 'the kernel must be an array', cb);
  
        if (typeof x === 'function') {
          cb = x;
          x = null;
          y = null;
          w = null;
          h = null;
        } else {
          if (isDef(x) && typeof x !== 'number') {
            return _utils.throwError.call(this, 'x must be a number', cb);
          }
  
          if (isDef(y) && typeof y !== 'number') {
            return _utils.throwError.call(this, 'y must be a number', cb);
          }
  
          if (isDef(w) && typeof w !== 'number') {
            return _utils.throwError.call(this, 'w must be a number', cb);
          }
  
          if (isDef(h) && typeof h !== 'number') {
            return _utils.throwError.call(this, 'h must be a number', cb);
          }
        }
  
        var ksize = (kernel.length - 1) / 2;
        x = isDef(x) ? x : ksize;
        y = isDef(y) ? y : ksize;
        w = isDef(w) ? w : this.bitmap.width - x;
        h = isDef(h) ? h : this.bitmap.height - y;
        var source = this.cloneQuiet();
        this.scanQuiet(x, y, w, h, function (xx, yx, idx) {
          var value = applyKernel(source, kernel, xx, yx);
          this.bitmap.data[idx] = this.constructor.limit255(value[0]);
          this.bitmap.data[idx + 1] = this.constructor.limit255(value[1]);
          this.bitmap.data[idx + 2] = this.constructor.limit255(value[2]);
        });
  
        if ((0, _utils.isNodePattern)(cb)) {
          cb.call(this, null, this);
        }
  
        return this;
      },
  
      /**
       * Apply multiple color modification rules
       * @param {array} actions list of color modification rules, in following format: { apply: '<rule-name>', params: [ <rule-parameters> ]  }
       * @param {function(Error, Jimp)} cb (optional) a callback for when complete
       * @returns {Jimp }this for chaining of methods
       */
      color: colorFn,
      colour: colorFn
    };
  };
  
  exports["default"] = _default;
  module.exports = exports.default;
  //# sourceMappingURL=index.js.map