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#173 Support for PhotometricInterpretation 8/CIELab, 9/ICCLab and 10/ITULab

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Harald Kuhr
2015-10-22 21:35:10 +02:00
parent 30a7283b35
commit 8a38b2fde6
13 changed files with 658 additions and 436 deletions
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68
imageio/imageio-core/src/test/java/com/twelvemonkeys/imageio/color/CIELabColorConverterTest.java Normal file
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package com.twelvemonkeys.imageio.color;
import com.twelvemonkeys.imageio.color.CIELabColorConverter.Illuminant;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
/**
* CIELabColorConverterTest.
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: harald.kuhr$
* @version $Id: CIELabColorConverterTest.java,v 1.0 22/10/15 harald.kuhr Exp$
*/
public class CIELabColorConverterTest {
@Test(expected = IllegalArgumentException.class)
public void testNoIllumninant() {
new CIELabColorConverter(null);
}
@Test
public void testD50() {
CIELabColorConverter converter = new CIELabColorConverter(Illuminant.D50);
float[] rgb = new float[3];
converter.toRGB(100, -128, -128, rgb);
assertArrayEquals(new float[] {0, 255, 255}, rgb, 1);
converter.toRGB(100, 0, 0, rgb);
assertArrayEquals(new float[] {255, 252, 220}, rgb, 5);
converter.toRGB(0, 0, 0, rgb);
assertArrayEquals(new float[] {0, 0, 0}, rgb, 1);
converter.toRGB(100, 0, 127, rgb);
assertArrayEquals(new float[] {255, 249, 0}, rgb, 5);
converter.toRGB(50, -128, 127, rgb);
assertArrayEquals(new float[] {0, 152, 0}, rgb, 2);
converter.toRGB(50, 127, -128, rgb);
assertArrayEquals(new float[] {222, 0, 255}, rgb, 2);
}
@Test
public void testD65() {
CIELabColorConverter converter = new CIELabColorConverter(Illuminant.D65);
float[] rgb = new float[3];
converter.toRGB(100, -128, -128, rgb);
assertArrayEquals(new float[] {0, 255, 255}, rgb, 1);
converter.toRGB(100, 0, 0, rgb);
assertArrayEquals(new float[] {255, 252, 255}, rgb, 5);
converter.toRGB(0, 0, 0, rgb);
assertArrayEquals(new float[] {0, 0, 0}, rgb, 1);
converter.toRGB(100, 0, 127, rgb);
assertArrayEquals(new float[] {255, 250, 0}, rgb, 5);
converter.toRGB(50, -128, 127, rgb);
assertArrayEquals(new float[] {0, 152, 0}, rgb, 3);
converter.toRGB(50, 127, -128, rgb);
assertArrayEquals(new float[] {184, 0, 255}, rgb, 5);
}
}