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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.util;
-
- import java.awt.Color;
- import java.awt.color.ColorSpace;
- import java.io.File;
- import java.net.URI;
-
- import org.junit.Test;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertTrue;
-
- import org.apache.xmlgraphics.java2d.color.ColorSpaces;
- import org.apache.xmlgraphics.java2d.color.ColorWithAlternatives;
- import org.apache.xmlgraphics.java2d.color.NamedColorSpace;
- import org.apache.xmlgraphics.java2d.color.RenderingIntent;
-
- import org.apache.fop.apps.FOUserAgent;
- import org.apache.fop.apps.FopFactory;
-
- /**
- * Tests the ColorUtil class.
- */
- public class ColorUtilTestCase {
- private FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
-
- /**
- * Test serialization to String.
- * @throws Exception if an error occurs
- */
- @Test
- public void testSerialization() throws Exception {
- Color col = new Color(1.0f, 1.0f, 0.5f, 1.0f);
- String s = ColorUtil.colorToString(col);
-
- //This is what the old color spit out. Now it is 80 due to rounding
- //assertEquals("#ffff7f", s);
- assertEquals("#ffff80", s);
-
- col = new Color(1.0f, 0.0f, 0.0f, 0.8f);
- s = ColorUtil.colorToString(col);
- assertEquals("#ff0000cc", s);
- }
-
- /**
- * Test deserialization from String.
- * @throws Exception if an error occurs
- */
- @Test
- public void testDeserialization() throws Exception {
- Color col = ColorUtil.parseColorString(null, "#ffff7f");
- assertEquals(255, col.getRed());
- assertEquals(255, col.getGreen());
- assertEquals(127, col.getBlue());
- assertEquals(255, col.getAlpha());
-
- col = ColorUtil.parseColorString(null, "#ff0000cc");
- assertEquals(255, col.getRed());
- assertEquals(0, col.getGreen());
- assertEquals(0, col.getBlue());
- assertEquals(204, col.getAlpha());
- }
-
- /**
- * Test equals().
- * @throws Exception if an error occurs
- */
- @Test
- public void testEquals() throws Exception {
- Color col1 = ColorUtil.parseColorString(null, "#ff0000cc");
- Color col2 = ColorUtil.parseColorString(null, "#ff0000cc");
- assertEquals(col1, col2);
-
- col1 = ColorUtil.parseColorString(null, "fop-rgb-icc(0.5,0.5,0.5,#CMYK,,0.0,0.0,0.0,0.5)");
- /* The following doesn't work since java.awt.Color from Sun doesn't round consistently
- col2 = ColorUtil.parseColorString(null, "cmyk(0.0,0.0,0.0,0.5)");
- assertEquals(col1, col2);
- */
-
- col2 = ColorUtil.parseColorString(null, "fop-rgb-icc(0.5,0.5,0.5,#CMYK,,0.5,0.5,0.5,0.0)");
- assertTrue(col1.equals(col2));
- assertFalse(org.apache.xmlgraphics.java2d.color.ColorUtil.isSameColor(col1, col2));
- }
-
- /**
- * Tests the rgb() function.
- * @throws Exception if an error occurs
- */
- @Test
- public void testRGB() throws Exception {
-
- FOUserAgent ua = fopFactory.newFOUserAgent();
- Color colActual;
-
- colActual = ColorUtil.parseColorString(ua, "rgb(255, 40, 0)");
- assertEquals(255, colActual.getRed());
- assertEquals(40, colActual.getGreen());
- assertEquals(0, colActual.getBlue());
- assertEquals(255, colActual.getAlpha());
- assertEquals(ColorSpace.getInstance(ColorSpace.CS_sRGB), colActual.getColorSpace());
- }
-
- /**
- * Tests the fop-rgb-icc() function.
- * @throws Exception if an error occurs
- */
- @Test
- public void testRGBICC() throws Exception {
- FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
- // [TBD] FIXME - use getResource() to access profile [GA]
- URI sRGBLoc = new URI("../fop-core/src/main/resources/org/apache/fop/pdf/sRGB.icc");
- ColorSpace cs = fopFactory.getColorSpaceCache().get(
- "sRGBAlt", sRGBLoc.toASCIIString(), RenderingIntent.AUTO);
- assertNotNull("Color profile not found", cs);
-
- FOUserAgent ua = fopFactory.newFOUserAgent();
- ColorWithFallback colActual;
-
- //fop-rgb-icc() is used instead of rgb-icc() inside FOP!
- String colSpec = "fop-rgb-icc(1.0,0.0,0.0,sRGBAlt,"
- + "\"" + sRGBLoc.toASCIIString() + "\",1.0,0.0,0.0)";
- colActual = (ColorWithFallback)ColorUtil.parseColorString(ua, colSpec);
- assertEquals(cs, colActual.getColorSpace());
- assertEquals(255, colActual.getRed(), 2f); //Java 5: 253, Java 6: 255
- assertEquals(0, colActual.getGreen(), 25f); //Java 5: 25, Java 6: 0
- assertEquals(0, colActual.getBlue());
- //I don't understand the difference. Maybe Java's sRGB and HP's sRGB are somehow not
- //equivalent. This is only going to be a problem if anyone actually makes use of the
- //RGB fallback in any renderer.
- //TODO Anyone know what's going on here?
- float[] comps = colActual.getColorComponents(null);
- assertEquals(3, comps.length);
- assertEquals(1f, comps[0], 0);
- assertEquals(0f, comps[1], 0);
- assertEquals(0f, comps[2], 0);
- assertEquals(0, colActual.getAlternativeColors().length);
-
- Color fallback = colActual.getFallbackColor();
- assertTrue(fallback.getColorSpace().isCS_sRGB());
- assertEquals(255, fallback.getRed());
- assertEquals(0, fallback.getGreen());
- assertEquals(0, fallback.getBlue());
-
- assertEquals(colSpec, ColorUtil.colorToString(colActual));
-
- colSpec = "fop-rgb-icc(1.0,0.5,0.0,blah,"
- + "\"invalid.icm\",1.0,0.5,0.0,0.15)";
- Color colFallback = ColorUtil.parseColorString(ua, colSpec);
- assertEquals(new Color(1.0f, 0.5f, 0.0f), colFallback);
- }
-
- /**
- * Tests the cmyk() function.
- * @throws Exception if an error occurs
- */
- @Test
- public void testCMYK() throws Exception {
- ColorWithAlternatives colActual;
- String colSpec;
-
- colSpec = "cmyk(0.0, 0.0, 1.0, 0.0)";
- colActual = (ColorWithAlternatives)ColorUtil.parseColorString(null, colSpec);
- assertEquals(255, colActual.getRed());
- assertEquals(255, colActual.getGreen());
- assertEquals(0, colActual.getBlue());
- Color alt = colActual.getAlternativeColors()[0];
- assertEquals(ColorSpaces.getDeviceCMYKColorSpace(), alt.getColorSpace());
- float[] comps = alt.getColorComponents(null);
- assertEquals(4, comps.length);
- assertEquals(0f, comps[0], 0);
- assertEquals(0f, comps[1], 0);
- assertEquals(1f, comps[2], 0);
- assertEquals(0f, comps[3], 0);
- assertEquals("fop-rgb-icc(1.0,1.0,0.0,#CMYK,,0.0,0.0,1.0,0.0)",
- ColorUtil.colorToString(colActual));
-
- colSpec = "cmyk(0.0274, 0.2196, 0.3216, 0.0)";
- colActual = (ColorWithAlternatives)ColorUtil.parseColorString(null, colSpec);
- assertEquals(248, colActual.getRed(), 1);
- assertEquals(199, colActual.getGreen(), 1);
- assertEquals(172, colActual.getBlue(), 1);
- alt = colActual.getAlternativeColors()[0];
- assertEquals(ColorSpaces.getDeviceCMYKColorSpace(), alt.getColorSpace());
- comps = alt.getColorComponents(null);
- assertEquals(0.0274f, comps[0], 0.001);
- assertEquals(0.2196f, comps[1], 0.001);
- assertEquals(0.3216f, comps[2], 0.001);
- assertEquals(0f, comps[3], 0);
- assertEquals("fop-rgb-icc(0.9726,0.7804,0.67840004,#CMYK,,0.0274,0.2196,0.3216,0.0)",
- ColorUtil.colorToString(colActual));
-
- colSpec = "fop-rgb-icc(1.0,1.0,0.0,#CMYK,,0.0,0.0,1.0,0.0)";
- colActual = (ColorWithAlternatives)ColorUtil.parseColorString(null, colSpec);
- assertEquals(255, colActual.getRed());
- assertEquals(255, colActual.getGreen());
- assertEquals(0, colActual.getBlue());
- alt = colActual.getAlternativeColors()[0];
- assertEquals(ColorSpaces.getDeviceCMYKColorSpace(), alt.getColorSpace());
- comps = alt.getColorComponents(null);
- assertEquals(4, comps.length);
- assertEquals(0f, comps[0], 0);
- assertEquals(0f, comps[1], 0);
- assertEquals(1f, comps[2], 0);
- assertEquals(0f, comps[3], 0);
- assertEquals("fop-rgb-icc(1.0,1.0,0.0,#CMYK,,0.0,0.0,1.0,0.0)",
- ColorUtil.colorToString(colActual));
-
- colSpec = "fop-rgb-icc(0.5,0.5,0.5,#CMYK,,0.0,0.0,0.0,0.5)";
- colActual = (ColorWithAlternatives)ColorUtil.parseColorString(null, colSpec);
- assertEquals(127, colActual.getRed(), 1);
- assertEquals(127, colActual.getGreen(), 1);
- assertEquals(127, colActual.getBlue(), 1);
- alt = colActual.getAlternativeColors()[0];
- assertEquals(ColorSpaces.getDeviceCMYKColorSpace(), alt.getColorSpace());
- comps = alt.getColorComponents(null);
- assertEquals(4, comps.length);
- assertEquals(0f, comps[0], 0);
- assertEquals(0f, comps[1], 0);
- assertEquals(0f, comps[2], 0);
- assertEquals(0.5f, comps[3], 0);
- assertEquals("fop-rgb-icc(0.5,0.5,0.5,#CMYK,,0.0,0.0,0.0,0.5)",
- ColorUtil.colorToString(colActual));
-
- //Verify that the cmyk() and fop-rgb-icc(#CMYK) functions have the same results
- ColorWithAlternatives colCMYK = (ColorWithAlternatives)ColorUtil.parseColorString(
- null, "cmyk(0,0,0,0.5)");
- assertEquals(colCMYK.getAlternativeColors()[0], colActual.getAlternativeColors()[0]);
- //The following doesn't work:
- //assertEquals(colCMYK, colActual);
- //java.awt.Color does not consistenly calculate the int RGB values:
- //Color(ColorSpace cspace, float components[], float alpha): 0.5 --> 127
- //Color(float r, float g, float b): 0.5 --> 128
- if (!colCMYK.equals(colActual)) {
- System.out.println("Info: java.awt.Color does not consistently calculate"
- + " int RGB values from float RGB values.");
- }
- }
-
- /**
- * Tests color for the #Separation pseudo-colorspace.
- * @throws Exception if an error occurs
- */
- @Test
- public void testSeparationColor() throws Exception {
- ColorWithFallback colActual;
- String colSpec;
-
- colSpec = "fop-rgb-icc(1.0,0.8,0.0,#Separation,,Postgelb)";
- colActual = (ColorWithFallback)ColorUtil.parseColorString(null, colSpec);
- assertEquals(255, colActual.getRed(), 5);
- assertEquals(204, colActual.getGreen(), 3);
- assertEquals(0, colActual.getBlue(), 12);
- //sRGB results differ between JDKs
-
- Color fallback = colActual.getFallbackColor();
- assertEquals(255, fallback.getRed());
- assertEquals(204, fallback.getGreen());
- assertEquals(0, fallback.getBlue());
-
- assertFalse(colActual.hasAlternativeColors());
-
- assertTrue(colActual.getColorSpace() instanceof NamedColorSpace);
- NamedColorSpace ncs;
- ncs = (NamedColorSpace)colActual.getColorSpace();
- assertEquals("Postgelb", ncs.getColorName());
- float[] comps = colActual.getColorComponents(null);
- assertEquals(1, comps.length);
- assertEquals(1f, comps[0], 0);
- assertEquals(colSpec, ColorUtil.colorToString(colActual));
-
- }
-
- /**
- * Tests the fop-rgb-named-color() function.
- * @throws Exception if an error occurs
- */
- @Test
- public void testNamedColorProfile() throws Exception {
- FopFactory fopFactory = FopFactory.newInstance(new File("./").toURI());
- URI ncpLoc = new URI("test/resources/color/ncp-example.icc");
- ColorSpace cs = fopFactory.getColorSpaceCache().get(
- "NCP", ncpLoc.toASCIIString(), RenderingIntent.AUTO);
- assertNotNull("Color profile not found", cs);
-
- FOUserAgent ua = fopFactory.newFOUserAgent();
- ColorWithFallback colActual;
-
- //fop-rgb-named-color() is used instead of rgb-named-color() inside FOP!
- String colSpec = "fop-rgb-named-color(1.0,0.8,0.0,NCP,"
- + "\"" + ncpLoc.toASCIIString() + "\",Postgelb)";
- colActual = (ColorWithFallback)ColorUtil.parseColorString(ua, colSpec);
- assertEquals(255, colActual.getRed(), 2);
- assertEquals(193, colActual.getGreen(), 2);
- assertEquals(0, colActual.getBlue());
-
- Color fallback = colActual.getFallbackColor();
- assertEquals(255, fallback.getRed());
- assertEquals(204, fallback.getGreen());
- assertEquals(0, fallback.getBlue());
- assertEquals(ColorSpace.getInstance(ColorSpace.CS_sRGB), fallback.getColorSpace());
-
- float[] comps = fallback.getColorComponents(null);
- assertEquals(3, comps.length);
- assertEquals(1f, comps[0], 0);
- assertEquals(0.8f, comps[1], 0);
- assertEquals(0f, comps[2], 0);
-
- assertTrue(colActual.getColorSpace() instanceof NamedColorSpace);
- NamedColorSpace ncs;
- ncs = (NamedColorSpace)colActual.getColorSpace();
- assertEquals("Postgelb", ncs.getColorName());
- comps = colActual.getColorComponents(null);
- assertEquals(1, comps.length);
- assertEquals(1f, comps[0], 0);
-
- assertEquals(colSpec, ColorUtil.colorToString(colActual));
- }
- }
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