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42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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if (typeof module !== 'undefined' && module.exports) {
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// The environment is Node.js
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var cv = require('./opencv.js'); // eslint-disable-line no-var
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}
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QUnit.module('Core', {});
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QUnit.test('test_LUT', function(assert) {
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// test LUT
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{
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let src = cv.matFromArray(3, 3, cv.CV_8UC1, [255, 128, 0, 0, 128, 255, 1, 2, 254]);
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let lutTable = [];
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for (let i = 0; i < 256; i++)
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{
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lutTable[i] = 255 - i;
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}
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let lut = cv.matFromArray(1, 256, cv.CV_8UC1, lutTable);
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let dst = new cv.Mat();
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cv.LUT(src, lut, dst);
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//console.log(dst.data);
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assert.equal(dst.ucharAt(0), 0);
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assert.equal(dst.ucharAt(1), 127);
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assert.equal(dst.ucharAt(2), 255);
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assert.equal(dst.ucharAt(3), 255);
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assert.equal(dst.ucharAt(4), 127);
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assert.equal(dst.ucharAt(5), 0);
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assert.equal(dst.ucharAt(6), 254);
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assert.equal(dst.ucharAt(7), 253);
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assert.equal(dst.ucharAt(8), 1);
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src.delete();
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lut.delete();
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dst.delete();
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}
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});
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