/*
* Geotoolkit.org - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2014, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotoolkit.color;
import java.awt.Color;
import static org.junit.Assert.*;
import org.junit.Test;
/**
* Palette builder and utility tests.
*
* @author Johann Sorel (Geomatys)
*/
public class PaletteTest extends org.geotoolkit.test.TestBase {
@Test
public void interpolateSingleTest(){
assertEquals(Color.RED, Palettes.interpolate(Color.RED, Color.GREEN, 0f));
assertEquals(Color.GREEN, Palettes.interpolate(Color.RED, Color.GREEN, 1f));
assertEquals(new Color(128, 127, 0, 255), Palettes.interpolate(Color.RED, Color.GREEN, 0.5f));
assertEquals(new Color(170, 85, 0, 255), Palettes.interpolate(Color.RED, Color.GREEN, 1f/3f));
}
@Test
public void interpolateMultipleTest(){
assertArrayEquals(new Color[]{Color.RED,Color.GREEN},
Palettes.interpolate(Color.RED, Color.GREEN, 2));
assertArrayEquals(new Color[]{Color.RED,new Color(128, 127, 0, 255),Color.GREEN},
Palettes.interpolate(Color.RED, Color.GREEN, 3));
assertArrayEquals(new Color[]{Color.RED,new Color(170, 85, 0, 255),new Color(85, 170, 0, 255), Color.GREEN},
Palettes.interpolate(Color.RED, Color.GREEN, 4));
}
}