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228 lines
5.1 KiB
228 lines
5.1 KiB
/*
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* Copyright (c) 2005 Adrian Page <adrian@pagenet.plus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <tdeunittest/runner.h>
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#include <tdeunittest/module.h>
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#include "kis_color_conversions_tester.h"
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#include "kis_color_conversions.h"
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using namespace KUnitTest;
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KUNITTEST_MODULE(tdeunittest_kis_color_conversions_tester, "Color Conversions Tester");
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KUNITTEST_MODULE_REGISTER_TESTER(KisColorConversionsTester);
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void KisColorConversionsTester::allTests()
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{
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testRGBHSV();
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testRGBHSL();
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}
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#define EPSILON 1e-6
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void KisColorConversionsTester::testRGBHSV()
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{
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float r, g, b, h, s, v;
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RGBToHSV(1, 0, 0, &h, &s, &v);
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CHECK(h, 0.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(1, 1, 0, &h, &s, &v);
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CHECK(h, 60.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(0, 1, 0, &h, &s, &v);
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CHECK(h, 120.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(0, 1, 1, &h, &s, &v);
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CHECK(h, 180.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(0, 0, 1, &h, &s, &v);
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CHECK(h, 240.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(1, 0, 1, &h, &s, &v);
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CHECK(h, 300.0f);
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CHECK(s, 1.0f);
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CHECK(v, 1.0f);
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RGBToHSV(0, 0, 0, &h, &s, &v);
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CHECK(h, -1.0f);
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CHECK(s, 0.0f);
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CHECK(v, 0.0f);
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RGBToHSV(1, 1, 1, &h, &s, &v);
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CHECK(h, -1.0f);
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CHECK(s, 0.0f);
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CHECK(v, 1.0f);
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RGBToHSV(0.5, 0.25, 0.75, &h, &s, &v);
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CHECK_TOLERANCE(h, 270.0f, EPSILON);
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CHECK_TOLERANCE(s, 0.666667f, EPSILON);
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CHECK_TOLERANCE(v, 0.75f, EPSILON);
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HSVToRGB(0, 1, 1, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 0.0f);
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CHECK(b, 0.0f);
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HSVToRGB(60, 1, 1, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 1.0f);
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CHECK(b, 0.0f);
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HSVToRGB(120, 1, 1, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 1.0f);
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CHECK(b, 0.0f);
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HSVToRGB(180, 1, 1, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 1.0f);
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CHECK(b, 1.0f);
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HSVToRGB(240, 1, 1, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 0.0f);
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CHECK(b, 1.0f);
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HSVToRGB(300, 1, 1, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 0.0f);
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CHECK(b, 1.0f);
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HSVToRGB(-1, 0, 0, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 0.0f);
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CHECK(b, 0.0f);
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HSVToRGB(-1, 0, 1, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 1.0f);
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CHECK(b, 1.0f);
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HSVToRGB(270, 0.666667, 0.75, &r, &g, &b);
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CHECK_TOLERANCE(r, 0.5f, EPSILON);
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CHECK_TOLERANCE(g, 0.25f, EPSILON);
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CHECK_TOLERANCE(b, 0.75f, EPSILON);
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}
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void KisColorConversionsTester::testRGBHSL()
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{
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float r, g, b, h, s, l;
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RGBToHSL(1, 0, 0, &h, &s, &l);
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CHECK(h, 360.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(1, 1, 0, &h, &s, &l);
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CHECK(h, 60.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(0, 1, 0, &h, &s, &l);
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CHECK(h, 120.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(0, 1, 1, &h, &s, &l);
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CHECK(h, 180.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(0, 0, 1, &h, &s, &l);
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CHECK(h, 240.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(1, 0, 1, &h, &s, &l);
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CHECK(h, 300.0f);
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CHECK(s, 1.0f);
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CHECK(l, 0.5f);
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RGBToHSL(0, 0, 0, &h, &s, &l);
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CHECK(h, -1.0f);
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CHECK(s, 0.0f);
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CHECK(l, 0.0f);
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RGBToHSL(1, 1, 1, &h, &s, &l);
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CHECK(h, -1.0f);
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CHECK(s, 0.0f);
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CHECK(l, 1.0f);
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RGBToHSL(0.5, 0.25, 0.75, &h, &s, &l);
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CHECK_TOLERANCE(h, 270.0f, EPSILON);
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CHECK_TOLERANCE(s, 0.5f, EPSILON);
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CHECK_TOLERANCE(l, 0.5f, EPSILON);
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HSLToRGB(0, 1, 0.5, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 0.0f);
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CHECK(b, 0.0f);
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HSLToRGB(60, 1, 0.5, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 1.0f);
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CHECK(b, 0.0f);
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HSLToRGB(120, 1, 0.5, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 1.0f);
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CHECK(b, 0.0f);
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HSLToRGB(180, 1, 0.5, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 1.0f);
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CHECK(b, 1.0f);
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HSLToRGB(240, 1, 0.5, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 0.0f);
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CHECK(b, 1.0f);
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HSLToRGB(300, 1, 0.5, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 0.0f);
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CHECK(b, 1.0f);
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HSLToRGB(-1, 0, 0, &r, &g, &b);
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CHECK(r, 0.0f);
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CHECK(g, 0.0f);
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CHECK(b, 0.0f);
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HSLToRGB(-1, 0, 1, &r, &g, &b);
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CHECK(r, 1.0f);
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CHECK(g, 1.0f);
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CHECK(b, 1.0f);
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HSLToRGB(270, 0.5, 0.5, &r, &g, &b);
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CHECK_TOLERANCE(r, 0.5f, EPSILON);
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CHECK_TOLERANCE(g, 0.25f, EPSILON);
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CHECK_TOLERANCE(b, 0.75f, EPSILON);
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}
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