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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports["default"] = void 0;
- var _utils = require("@jimp/utils");
- /**
- * Creates a circle out of an image.
- * @param {object} options (optional) r: radius of effect
- * @param {function(Error, Jimp)} cb (optional) a callback for when complete
- * @returns {Jimp} this for chaining of methods
- */
- var _default = function _default() {
- return {
- fisheye: function fisheye() {
- var _this = this;
- var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {
- r: 2.5
- };
- var cb = arguments.length > 1 ? arguments[1] : undefined;
- if (typeof options === 'function') {
- cb = options;
- options = {
- r: 2.5
- };
- }
- var source = this.cloneQuiet();
- var _source$bitmap = source.bitmap,
- width = _source$bitmap.width,
- height = _source$bitmap.height;
- source.scanQuiet(0, 0, width, height, function (x, y) {
- var hx = x / width;
- var hy = y / height;
- var r = Math.sqrt(Math.pow(hx - 0.5, 2) + Math.pow(hy - 0.5, 2));
- var rn = 2 * Math.pow(r, options.r);
- var cosA = (hx - 0.5) / r;
- var sinA = (hy - 0.5) / r;
- var newX = Math.round((rn * cosA + 0.5) * width);
- var newY = Math.round((rn * sinA + 0.5) * height);
- var color = source.getPixelColor(newX, newY);
- _this.setPixelColor(color, x, y);
- });
- /* Set center pixel color, otherwise it will be transparent */
- this.setPixelColor(source.getPixelColor(width / 2, height / 2), width / 2, height / 2);
- if ((0, _utils.isNodePattern)(cb)) {
- cb.call(this, null, this);
- }
- return this;
- }
- };
- };
- exports["default"] = _default;
- //# sourceMappingURL=index.js.map
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