25 lines
716 B
JavaScript
25 lines
716 B
JavaScript
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import { isNodePattern } from '@jimp/utils';
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/**
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* Inverts the image
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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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export default (function () {
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return {
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invert: function invert(cb) {
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this.scanQuiet(0, 0, this.bitmap.width, this.bitmap.height, function (x, y, idx) {
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this.bitmap.data[idx] = 255 - this.bitmap.data[idx];
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this.bitmap.data[idx + 1] = 255 - this.bitmap.data[idx + 1];
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this.bitmap.data[idx + 2] = 255 - this.bitmap.data[idx + 2];
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});
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if (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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//# sourceMappingURL=index.js.map
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