Added classes for color management.

2026-05-01 00:00:02 -04:00 · 2011-02-08 15:08:22 +01:00
parent f610c82cb7
commit 8d5b775851
4 changed files with 472 additions and 34 deletions
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 2011, Harald Kuhr
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *  Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *  Neither the name "TwelveMonkeys" nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.twelvemonkeys.imageio.color;
+
+import org.junit.Test;
+
+import java.awt.color.ColorSpace;
+import java.awt.color.ICC_ColorSpace;
+import java.awt.color.ICC_Profile;
+
+import static org.junit.Assert.*;
+
+/**
+ * ColorSpacesTest
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @author last modified by $Author: haraldk$
+ * @version $Id: ColorSpacesTest.java,v 1.0 07.02.11 14.32 haraldk Exp$
+ */
+public class ColorSpacesTest {
+    @Test
+    public void testCreateColorSpaceFromKnownProfileReturnsInternalCS_sRGB() {
+        ICC_Profile profile = ICC_Profile.getInstance(ColorSpace.CS_sRGB);
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(created, ColorSpace.getInstance(ColorSpace.CS_sRGB));
+        assertTrue(created.isCS_sRGB());
+    }
+
+    @Test
+    public void testCreateColorSpaceFromKnownProfileDataReturnsInternalCS_sRGB() {
+        ICC_Profile internal = ICC_Profile.getInstance(ColorSpace.CS_sRGB);
+        byte[] data = internal.getData();
+        assertNotSame(internal.getData(), data); // Sanity check
+
+        ICC_Profile profile = ICC_Profile.getInstance(data);
+        assertNotSame(internal, profile); // Sanity check
+
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_sRGB), created);
+        assertTrue(created.isCS_sRGB());
+    }
+
+    @Test
+    public void testCreateColorSpaceFromBrokenProfileIsFixedCS_sRGB() {
+        ICC_Profile internal = ICC_Profile.getInstance(ColorSpace.CS_sRGB);
+        ICC_Profile profile = createBrokenProfile(internal);
+        assertNotSame(internal, profile); // Sanity check
+
+        assertTrue(ColorSpaces.isOffendingColorProfile(profile));
+
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_sRGB), created);
+        assertTrue(created.isCS_sRGB());
+    }
+
+    private ICC_Profile createBrokenProfile(ICC_Profile internal) {
+        byte[] data = internal.getData();
+        data[ICC_Profile.icHdrRenderingIntent] = 1; // Intent: 1 == Relative Colormetric
+        return ICC_Profile.getInstance(data);
+    }
+
+    @Test
+    public void testIsOffendingColorProfile() {
+        ICC_Profile broken = createBrokenProfile(ICC_Profile.getInstance(ColorSpace.CS_GRAY));
+        assertTrue(ColorSpaces.isOffendingColorProfile(broken));
+    }
+
+    @Test
+    public void testCreateColorSpaceFromKnownProfileReturnsInternalCS_GRAY() {
+        ICC_Profile profile = ICC_Profile.getInstance(ColorSpace.CS_GRAY);
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_GRAY), created);
+    }
+
+    @Test
+    public void testCreateColorSpaceFromKnownProfileReturnsInternalCS_PYCC() {
+        ICC_Profile profile = ICC_Profile.getInstance(ColorSpace.CS_PYCC);
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_PYCC), created);
+    }
+
+    @Test
+    public void testCreateColorSpaceFromKnownProfileReturnsInternalCS_CIEXYZ() {
+        ICC_Profile profile = ICC_Profile.getInstance(ColorSpace.CS_CIEXYZ);
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_CIEXYZ), created);
+    }
+
+    @Test
+    public void testCreateColorSpaceFromKnownProfileReturnsInternalCS_LINEAR_RGB() {
+        ICC_Profile profile = ICC_Profile.getInstance(ColorSpace.CS_LINEAR_RGB);
+        ICC_ColorSpace created = ColorSpaces.createColorSpace(profile);
+        assertSame(ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), created);
+    }
+
+    @Test
+    public void testAdobeRGB98NotNull() {
+        assertNotNull(ColorSpaces.getColorSpace(ColorSpaces.CS_ADOBE_RGB_98));
+    }
+
+    @Test
+    public void testAdobeRGB98IsTypeRGB() {
+        assertEquals(ColorSpace.TYPE_RGB, ColorSpaces.getColorSpace(ColorSpaces.CS_ADOBE_RGB_98).getType());
+    }
+
+    @Test
+    public void testAdobeRGB98AlwaysSame() {
+        ColorSpace cs = ColorSpaces.getColorSpace(ColorSpaces.CS_ADOBE_RGB_98);
+        assertSame(cs, ColorSpaces.getColorSpace(ColorSpaces.CS_ADOBE_RGB_98));
+
+        if (cs instanceof ICC_ColorSpace) {
+            ICC_ColorSpace iccCs = (ICC_ColorSpace) cs;
+            assertSame(cs, ColorSpaces.createColorSpace(iccCs.getProfile()));
+        }
+        else {
+            System.err.println("Not an ICC_ColorSpace: " + cs);
+        }
+    }
+
+    @Test
+    public void testCMYKNotNull() {
+        assertNotNull(ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK));
+    }
+
+    @Test
+    public void testCMYKIsTypeCMYK() {
+        assertEquals(ColorSpace.TYPE_CMYK, ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK).getType());
+    }
+
+    @Test
+    public void testCMYKAlwaysSame() {
+        ColorSpace cs = ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK);
+        assertSame(cs, ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK));
+
+        if (cs instanceof ICC_ColorSpace) {
+            ICC_ColorSpace iccCs = (ICC_ColorSpace) cs;
+            assertSame(cs, ColorSpaces.createColorSpace(iccCs.getProfile()));
+        }
+        else {
+            System.err.println("Not an ICC_ColorSpace: " + cs);
+        }
+    }
+}