52 lines
990 B
JavaScript
52 lines
990 B
JavaScript
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"use strict";
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require("core-js/modules/es6.object.define-property");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.isNodePattern = isNodePattern;
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exports.throwError = throwError;
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exports.scan = scan;
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function isNodePattern(cb) {
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if (typeof cb === 'undefined') {
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return false;
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}
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if (typeof cb !== 'function') {
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throw new TypeError('Callback must be a function');
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}
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return true;
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}
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function throwError(error, cb) {
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if (typeof error === 'string') {
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error = new Error(error);
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}
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if (typeof cb === 'function') {
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return cb.call(this, error);
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}
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throw error;
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}
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function scan(image, x, y, w, h, f) {
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// round input
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x = Math.round(x);
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y = Math.round(y);
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w = Math.round(w);
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h = Math.round(h);
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for (var _y = y; _y < y + h; _y++) {
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for (var _x = x; _x < x + w; _x++) {
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var idx = image.bitmap.width * _y + _x << 2;
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f.call(image, _x, _y, idx);
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}
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}
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return image;
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}
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//# sourceMappingURL=index.js.map
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