52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _utils = require("@jimp/utils");
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/**
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* Creates a circle out of an image.
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* @param {function(Error, Jimp)} options (optional) radius, x, y
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* @param {function(Error, Jimp)} cb (optional) a callback for when complete
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* @returns {Jimp} this for chaining of methods
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*/
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var _default = function _default() {
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return {
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circle: function circle() {
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var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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var cb = arguments.length > 1 ? arguments[1] : undefined;
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if (typeof options === 'function') {
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cb = options;
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options = {};
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}
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var radius = options.radius || (this.bitmap.width > this.bitmap.height ? this.bitmap.height : this.bitmap.width) / 2;
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var center = {
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x: typeof options.x === 'number' ? options.x : this.bitmap.width / 2,
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y: typeof options.y === 'number' ? options.y : this.bitmap.height / 2
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};
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this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
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var curR = Math.sqrt(Math.pow(x - center.x, 2) + Math.pow(y - center.y, 2));
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if (radius - curR <= 0.0) {
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this.bitmap.data[idx + 3] = 0;
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} else if (radius - curR < 1.0) {
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this.bitmap.data[idx + 3] = 255 * (radius - curR);
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}
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});
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if ((0, _utils.isNodePattern)(cb)) {
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cb.call(this, null, this);
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}
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return this;
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}
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};
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};
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exports["default"] = _default;
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//# sourceMappingURL=index.js.map
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