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Implementation of color util

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Ziver Koc 2023-05-06 01:11:46 +02:00
parent 670f95689d
commit 676ce6a33f
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test/zutil/ColorUtilTest.java Normal file
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package zutil;
import org.junit.Test;
import static org.junit.Assert.*;
public class ColorUtilTest {
@Test
public void getHexString() {
assertEquals("#000000", ColorUtil.getHexString(0, 0, 0));
assertEquals("#090909", ColorUtil.getHexString(9, 9, 9));
assertEquals("#ffffff", ColorUtil.getHexString(255, 255, 255));
assertEquals("#6496c8", ColorUtil.getHexString(100, 150, 200));
}
@Test
public void getRgbFromHexString() {
assertArrayEquals(new int[]{0, 0, 0}, ColorUtil.getRgbFromHexString("#000000"));
assertArrayEquals(new int[]{9, 9, 9}, ColorUtil.getRgbFromHexString("#090909"));
assertArrayEquals(new int[]{255, 255, 255}, ColorUtil.getRgbFromHexString("#ffffff"));
assertArrayEquals(new int[]{100, 150, 200}, ColorUtil.getRgbFromHexString("#6496c8"));
}
@Test
public void getHueFromRGB() {
assertEquals(0.0, ColorUtil.getHue(0, 0, 0), 0);
assertEquals(0.0, ColorUtil.getHue(255, 255, 255), 0);
assertEquals(0.0, ColorUtil.getHue(255, 0, 0), 0);
assertEquals(120.0, ColorUtil.getHue(0, 255, 0), 0);
assertEquals(240.0, ColorUtil.getHue(0, 0, 255), 0);
assertEquals(0.0, ColorUtil.getHue(128, 128, 128), 0);
assertEquals(12.0, ColorUtil.getHue(100, 60, 50), 0);
assertEquals(108.0, ColorUtil.getHue(60, 100, 50), 0);
assertEquals(228.0, ColorUtil.getHue(50, 60, 100), 0);
}
@Test
public void getSaturationFromRGB() {
assertEquals(0.0, ColorUtil.getSaturation(0, 0, 0), 0);
assertEquals(0.0, ColorUtil.getSaturation(255, 255, 255), 0);
assertEquals(1.0, ColorUtil.getSaturation(255, 0, 0), 0);
assertEquals(1.0, ColorUtil.getSaturation(0, 255, 0), 0);
assertEquals(1.0, ColorUtil.getSaturation(0, 0, 255), 0);
assertEquals(0.0, ColorUtil.getSaturation(128, 128, 128), 0);
assertEquals(0.333, ColorUtil.getSaturation(100, 60, 50), 0.001);
assertEquals(0.333, ColorUtil.getSaturation(60, 100, 50), 0.001);
assertEquals(0.333, ColorUtil.getSaturation(50, 60, 100), 0.001);
}
@Test
public void getLightnessFromRGB() {
assertEquals(0.0, ColorUtil.getLightness(0, 0, 0), 0);
assertEquals(1.0, ColorUtil.getLightness(255, 255, 255), 0);
assertEquals(0.5, ColorUtil.getLightness(255, 0, 0), 0);
assertEquals(0.5, ColorUtil.getLightness(0, 255, 0), 0);
assertEquals(0.5, ColorUtil.getLightness(0, 0, 255), 0);
assertEquals(0.75, ColorUtil.getLightness(191, 191, 191), 0.01);
assertEquals(0.5, ColorUtil.getLightness(128, 128, 128), 0.01);
assertEquals(0.294, ColorUtil.getLightness(100, 60, 50), 0.01);
assertEquals(0.294, ColorUtil.getLightness(60, 100, 50), 0.01);
assertEquals(0.294, ColorUtil.getLightness(50, 60, 100), 0.01);
}
}