+++ /dev/null
-/*
- * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
- * Copyright (C) $$Year-Rel$$ The Jalview Authors
- *
- * This file is part of Jalview.
- *
- * Jalview is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3
- * of the License, or (at your option) any later version.
- *
- * Jalview 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
- * The Jalview Authors are detailed in the 'AUTHORS' file.
- */
-package jalview.util;
-
-import static org.testng.AssertJUnit.assertEquals;
-import static org.testng.AssertJUnit.assertNull;
-import static org.testng.AssertJUnit.assertSame;
-
-import jalview.gui.JvOptionPane;
-
-import java.awt.Color;
-
-import org.testng.annotations.BeforeClass;
-import org.testng.annotations.Test;
-
-public class ColorUtilsTest
-{
-
- @BeforeClass(alwaysRun = true)
- public void setUpJvOptionPane()
- {
- JvOptionPane.setInteractiveMode(false);
- JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
- }
-
- Color paleColour = new Color(97, 203, 111); // pale green
-
- Color midColour = new Color(135, 57, 41); // mid red
-
- Color darkColour = new Color(11, 30, 50); // dark blue
-
- @Test(groups = { "Functional" })
- public void testDarkerThan()
- {
- assertEquals("Wrong darker shade", new Color(32, 69, 37),
- ColorUtils.darkerThan(paleColour));
- assertEquals("Wrong darker shade", new Color(45, 18, 13),
- ColorUtils.darkerThan(midColour));
- assertEquals("Wrong darker shade", new Color(2, 9, 16),
- ColorUtils.darkerThan(darkColour));
- assertNull(ColorUtils.darkerThan(null));
- }
-
- @Test(groups = { "Functional" })
- public void testBrighterThan()
- {
- assertEquals("Wrong brighter shade", new Color(255, 255, 255), // white
- ColorUtils.brighterThan(paleColour));
- assertEquals("Wrong brighter shade", new Color(255, 164, 117),
- ColorUtils.brighterThan(midColour));
- assertEquals("Wrong brighter shade", new Color(30, 85, 144),
- ColorUtils.brighterThan(darkColour));
- assertNull(ColorUtils.brighterThan(null));
- }
-
- /**
- * @see http://www.rtapo.com/notes/named_colors.html
- */
- @Test(groups = { "Functional" })
- public void testToTkCode()
- {
- assertEquals("#fffafa", ColorUtils.toTkCode(new Color(255, 250, 250))); // snow
- assertEquals("#e6e6fa", ColorUtils.toTkCode(new Color(230, 230, 250))); // lavender
- assertEquals("#dda0dd", ColorUtils.toTkCode(new Color(221, 160, 221))); // plum
- assertEquals("#800080", ColorUtils.toTkCode(new Color(128, 0, 128))); // purple
- assertEquals("#00ff00", ColorUtils.toTkCode(new Color(0, 255, 0))); // lime
- }
-
- @Test(groups = { "Functional" })
- public void testGetGraduatedColour()
- {
- Color minColour = new Color(100, 100, 100);
- Color maxColour = new Color(180, 200, 220);
-
- /*
- * value half-way between min and max
- */
- Color col = ColorUtils.getGraduatedColour(20f, 10f, minColour, 30f,
- maxColour);
- assertEquals(140, col.getRed());
- assertEquals(150, col.getGreen());
- assertEquals(160, col.getBlue());
-
- /*
- * value two-thirds of the way between min and max
- */
- col = ColorUtils
- .getGraduatedColour(30f, 10f, minColour, 40f, maxColour);
- assertEquals(153, col.getRed());
- // Color constructor rounds float value to nearest int
- assertEquals(167, col.getGreen());
- assertEquals(180, col.getBlue());
-
- /*
- * value = min
- */
- col = ColorUtils
- .getGraduatedColour(10f, 10f, minColour, 30f, maxColour);
- assertEquals(minColour, col);
-
- /*
- * value = max
- */
- col = ColorUtils
- .getGraduatedColour(30f, 10f, minColour, 30f, maxColour);
- assertEquals(maxColour, col);
-
- /*
- * value < min
- */
- col = ColorUtils.getGraduatedColour(0f, 10f, minColour, 30f, maxColour);
- assertEquals(minColour, col);
-
- /*
- * value > max
- */
- col = ColorUtils
- .getGraduatedColour(40f, 10f, minColour, 30f, maxColour);
- assertEquals(maxColour, col);
-
- /*
- * min = max
- */
- col = ColorUtils
- .getGraduatedColour(40f, 10f, minColour, 10f, maxColour);
- assertEquals(minColour, col);
- }
-
- @Test(groups = { "Functional" })
- public void testBleachColour()
- {
- Color colour = new Color(155, 105, 55);
- assertSame(colour, ColorUtils.bleachColour(colour, 0));
- assertEquals(Color.WHITE, ColorUtils.bleachColour(colour, 1));
- assertEquals(Color.WHITE, ColorUtils.bleachColour(colour, 2));
- assertEquals(new Color(175, 135, 95),
- ColorUtils.bleachColour(colour, 0.2f));
- assertEquals(new Color(225, 210, 195),
- ColorUtils.bleachColour(colour, 0.7f));
-
- /*
- * and some 'negative fade'
- */
- assertEquals(Color.BLACK, ColorUtils.bleachColour(colour, -1));
- assertEquals(Color.BLACK, ColorUtils.bleachColour(colour, -2));
- assertEquals(new Color(124, 84, 44),
- ColorUtils.bleachColour(colour, -0.2f));
- assertEquals(new Color(46, 31, 16), // with rounding down
- ColorUtils.bleachColour(colour, -0.7f));
- }
-
- @Test(groups = "Functional")
- public void testParseColourString()
- {
- /*
- * by colour name - if known to AWT, and included in
- *
- * @see ColourSchemeProperty.getAWTColorFromName()
- */
- assertSame(Color.RED, ColorUtils.parseColourString("red"));
- assertSame(Color.RED, ColorUtils.parseColourString("Red"));
- assertSame(Color.RED, ColorUtils.parseColourString(" RED "));
-
- /*
- * by RGB hex code
- */
- String hexColour = Integer.toHexString(Color.RED.getRGB() & 0xffffff);
- assertEquals("ff0000", hexColour);
- assertEquals(Color.RED, ColorUtils.parseColourString(hexColour));
- // 'hex' prefixes _not_ wanted here
- assertNull(ColorUtils.parseColourString("0x" + hexColour));
- assertNull(ColorUtils.parseColourString("#" + hexColour));
- // out of range, but Color constructor just or's the rgb value with 0
- assertEquals(Color.black, ColorUtils.parseColourString("1000000"));
-
- /*
- * by RGB triplet
- */
- Color c = Color.pink;
- String rgb = String.format("%d,%d,%d", c.getRed(), c.getGreen(),
- c.getBlue());
- assertEquals("255,175,175", rgb);
- assertEquals(c, ColorUtils.parseColourString(rgb));
- assertEquals(c, ColorUtils.parseColourString("255, 175 , 175"));
-
- /*
- * odds and ends
- */
- assertNull(ColorUtils.parseColourString(null));
- assertNull(ColorUtils.parseColourString("rubbish"));
- assertEquals(Color.WHITE, ColorUtils.parseColourString("-1"));
- assertNull(ColorUtils.parseColourString(String
- .valueOf(Integer.MAX_VALUE)));
- assertNull(ColorUtils.parseColourString("100,200,300")); // out of range
- assertNull(ColorUtils.parseColourString("100,200")); // too few
- assertNull(ColorUtils.parseColourString("100,200,100,200")); // too many
- }
-
- @Test(groups = "Functional")
- public void testGetAWTColorFromName() {
- assertEquals(Color.white, ColorUtils.getAWTColorFromName("white"));
- assertEquals(Color.white, ColorUtils.getAWTColorFromName("White"));
- assertEquals(Color.white, ColorUtils.getAWTColorFromName("WHITE"));
- assertEquals(Color.pink, ColorUtils.getAWTColorFromName("pink"));
- assertNull(ColorUtils.getAWTColorFromName("mauve")); // no such name
- assertNull(ColorUtils.getAWTColorFromName(""));
- assertNull(ColorUtils.getAWTColorFromName(null));
- }
-
- @Test(groups = "Functional")
- public void testCreateColourFromName()
- {
- assertEquals(Color.white, ColorUtils.createColourFromName(null));
- assertEquals(new Color(20, 20, 20), ColorUtils.createColourFromName(""));
- assertEquals(new Color(98, 131, 171),
- ColorUtils.createColourFromName("None")); // no special treatment!
- assertEquals(new Color(123, 211, 122),
- ColorUtils.createColourFromName("hello world"));
- assertEquals(new Color(27, 147, 112),
- ColorUtils.createColourFromName("HELLO WORLD"));
- /*
- * the algorithm makes the same values for r,g,b if
- * the string consists of 3 repeating substrings
- */
- assertEquals(new Color(184, 184, 184),
- ColorUtils.createColourFromName("HELLO HELLO HELLO "));
- }
-}
git://source.jalview.org / jalview.git / blobdiff