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TMI-41: Better handling of ICC Color Profiles. Now using different strategies to "sanitize" profiles, depending on the Color Management System in use.

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This commit is contained in:
Harald Kuhr
2015-01-07 15:25:45 +01:00
parent f588d65565
commit 94ed531fb2
7 changed files with 227 additions and 68 deletions
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58
imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/color/ColorSpaces.java
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@@ -70,13 +70,10 @@ import java.util.Properties;
* @version $Id: ColorSpaces.java,v 1.0 24.01.11 17.51 haraldk Exp$
*/
public final class ColorSpaces {
final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.color.debug"));
private final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.color.debug"));
// OpenJDK 7 seems to handle non-perceptual rendering intents gracefully, so we don't need to fiddle with the profiles.
// However, the later Oracle distribute JDK seems to include the color management code that has the known bugs...
private final static boolean JDK_HANDLES_RENDERING_INTENTS =
SystemUtil.isClassAvailable("java.lang.invoke.CallSite") && !SystemUtil.isClassAvailable("sun.java2d.cmm.kcms.CMM");
/** We need special ICC profile handling for KCMS vs LCMS. Delegate to specific strategy. */
private final static ICCProfileSanitizer profileCleaner = ICCProfileSanitizer.Factory.get();
// NOTE: java.awt.color.ColorSpace.CS_* uses 1000-1004, we'll use 5000+ to not interfere with future additions
@@ -86,9 +83,6 @@ public final class ColorSpaces {
/** A best-effort "generic" CMYK color space. Either read from disk or built-in. */
public static final int CS_GENERIC_CMYK = 5001;
/** Value used instead of 'XYZ ' in problematic Corbis RGB Profiles */
private static final byte[] CORBIS_RGB_ALTERNATE_XYZ = new byte[] {0x17, (byte) 0xA5, 0x05, (byte) 0xB8};
// Weak references to hold the color spaces while cached
private static WeakReference<ICC_Profile> adobeRGB1998 = new WeakReference<ICC_Profile>(null);
private static WeakReference<ICC_Profile> genericCMYK = new WeakReference<ICC_Profile>(null);
@@ -129,52 +123,16 @@ public final class ColorSpaces {
return cs;
}
// NOTE: The intent change breaks JDK7: Seems to be a bug in ICC_Profile.getData/setData,
// as calling it with unchanged header data, still breaks when creating new ICC_ColorSpace...
// However, we simply skip that, as JDK7 handles the rendering intents already.
if (!JDK_HANDLES_RENDERING_INTENTS) {
// Fix profile before lookup/create
profile.setData(ICC_Profile.icSigHead, profileHeader);
}
// Fix profile before lookup/create
profileCleaner.fixProfile(profile, profileHeader);
}
// Special handling to detect problematic Corbis RGB ICC Profile.
// This makes sure tags that are expected to be of type 'XYZ ' really have this expected type.
// Should leave other ICC profiles unchanged.
if (!JDK_HANDLES_RENDERING_INTENTS && fixProfileXYZTag(profile, ICC_Profile.icSigMediaWhitePointTag)) {
fixProfileXYZTag(profile, ICC_Profile.icSigRedColorantTag);
fixProfileXYZTag(profile, ICC_Profile.icSigGreenColorantTag);
fixProfileXYZTag(profile, ICC_Profile.icSigBlueColorantTag);
else {
profileCleaner.fixProfile(profile, null);
}
return getCachedOrCreateCS(profile, profileHeader);
}
/**
* Fixes problematic 'XYZ ' tags in Corbis RGB profile.
*
* @return {@code true} if found and fixed, otherwise {@code false} for short-circuiting
* to avoid unnecessary array copying.
*/
private static boolean fixProfileXYZTag(final ICC_Profile profile, final int tagSignature) {
// TODO: This blows up on OpenJDK... Bug?
byte[] data = profile.getData(tagSignature);
// The CMM expects 0x64 65 73 63 ('XYZ ') but is 0x17 A5 05 B8..?
if (data != null && Arrays.equals(Arrays.copyOfRange(data, 0, 4), CORBIS_RGB_ALTERNATE_XYZ)) {
data[0] = 'X';
data[1] = 'Y';
data[2] = 'Z';
data[3] = ' ';
profile.setData(tagSignature, data);
return true;
}
return false;
}
private static ICC_ColorSpace getInternalCS(final int profileCSType, final byte[] profileHeader) {
if (profileCSType == ColorSpace.TYPE_RGB && Arrays.equals(profileHeader, sRGB.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_sRGB);
@@ -414,6 +372,7 @@ public final class ColorSpaces {
private static Properties loadProfiles(final Platform.OperatingSystem os) {
Properties systemDefaults;
try {
systemDefaults = SystemUtil.loadProperties(ColorSpaces.class, "com/twelvemonkeys/imageio/color/icc_profiles_" + os.id());
}
@@ -422,6 +381,7 @@ public final class ColorSpaces {
"Warning: Could not load system default ICC profile locations from %s, will use bundled fallback profiles.\n",
ignore.getMessage()
);
if (DEBUG) {
ignore.printStackTrace();
}

52
imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/color/ICCProfileSanitizer.java Normal file
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@@ -0,0 +1,52 @@
package com.twelvemonkeys.imageio.color;
import com.twelvemonkeys.lang.SystemUtil;
import java.awt.color.ICC_Profile;
/**
* ProfileCleaner.
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: harald.kuhr$
* @version $Id: ProfileCleaner.java,v 1.0 06/01/15 harald.kuhr Exp$
*/
interface ICCProfileSanitizer {
void fixProfile(ICC_Profile profile, byte[] profileHeader);
static class Factory {
static ICCProfileSanitizer get() {
// Strategy pattern:
// - KCMSSanitizerStrategy - Current behaviour, default for Java 1.6 and Oracle JRE 1.7
// - LCMSSanitizerStrategy - New behaviour, default for OpenJDK 1.7 and all java 1.8
// (unless KCMS switch -Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider present)
// TODO: Allow user-specific strategy selection, should heuristics not work..?
// -Dcom.twelvemonkeys.imageio.color.ICCProfileSanitizer=com.foo.bar.FooCMSSanitizer
ICCProfileSanitizer instance;
// Explicit System properties
if ("sun.java2d.cmm.kcms.KcmsServiceProvider".equals(System.getProperty("sun.java2d.cmm")) && SystemUtil.isClassAvailable("sun.java2d.cmm.kcms.CMM")) {
instance = new KCMSSanitizerStrategy();
}
else if ("sun.java2d.cmm.lcms.LcmsServiceProvider".equals(System.getProperty("sun.java2d.cmm")) && SystemUtil.isClassAvailable("sun.java2d.cmm.lcms.LCMS")) {
instance = new LCMSSanitizerStrategy();
}
// Default for Java 1.8+ or OpenJDK 1.7+ (no KCMS available)
else if (SystemUtil.isClassAvailable("java.util.stream.Stream")
|| SystemUtil.isClassAvailable("java.lang.invoke.CallSite") && !SystemUtil.isClassAvailable("sun.java2d.cmm.kcms.CMM")) {
instance = new LCMSSanitizerStrategy();
}
// Default for all Java versions <= 1.7
else {
instance = new KCMSSanitizerStrategy();
}
if (ColorSpaces.DEBUG) {
System.out.println("ICC ProfileCleaner instance: " + instance.getClass().getName());
}
return instance;
}
}
}

61
imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/color/KCMSSanitizerStrategy.java Normal file
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@@ -0,0 +1,61 @@
package com.twelvemonkeys.imageio.color;
import com.twelvemonkeys.lang.Validate;
import java.awt.color.ICC_Profile;
import java.util.Arrays;
/**
* KCMSProfileCleaner.
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: harald.kuhr$
* @version $Id: KCMSProfileCleaner.java,v 1.0 06/01/15 harald.kuhr Exp$
*/
final class KCMSSanitizerStrategy implements ICCProfileSanitizer {
/** Value used instead of 'XYZ ' in problematic Corbis RGB Profiles */
private static final byte[] CORBIS_RGB_ALTERNATE_XYZ = new byte[] {0x17, (byte) 0xA5, 0x05, (byte) 0xB8};
public void fixProfile(final ICC_Profile profile, byte[] profileHeader) {
Validate.notNull(profile, "profile");
if (profileHeader != null) {
profile.setData(ICC_Profile.icSigHead, profileHeader);
}
// Special handling to detect problematic Corbis RGB ICC Profile for KCMS.
// This makes sure tags that are expected to be of type 'XYZ ' really have this expected type.
// Should leave other ICC profiles unchanged.
if (fixProfileXYZTag(profile, ICC_Profile.icSigMediaWhitePointTag)) {
fixProfileXYZTag(profile, ICC_Profile.icSigRedColorantTag);
fixProfileXYZTag(profile, ICC_Profile.icSigGreenColorantTag);
fixProfileXYZTag(profile, ICC_Profile.icSigBlueColorantTag);
}
}
/**
* Fixes problematic 'XYZ ' tags in Corbis RGB profile.
*
* @return {@code true} if found and fixed, otherwise {@code false} for short-circuiting
* to avoid unnecessary array copying.
*/
private static boolean fixProfileXYZTag(final ICC_Profile profile, final int tagSignature) {
byte[] data = profile.getData(tagSignature);
// The CMM expects 0x64 65 73 63 ('XYZ ') but is 0x17 A5 05 B8..?
if (data != null && Arrays.equals(Arrays.copyOfRange(data, 0, 4), CORBIS_RGB_ALTERNATE_XYZ)) {
data[0] = 'X';
data[1] = 'Y';
data[2] = 'Z';
data[3] = ' ';
profile.setData(tagSignature, data);
return true;
}
return false;
}
}

19
imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/color/LCMSSanitizerStrategy.java Normal file
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@@ -0,0 +1,19 @@
package com.twelvemonkeys.imageio.color;
import com.twelvemonkeys.lang.Validate;
import java.awt.color.ICC_Profile;
/**
* LCMSProfileCleaner.
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: harald.kuhr$
* @version $Id: LCMSProfileCleaner.java,v 1.0 06/01/15 harald.kuhr Exp$
*/
final class LCMSSanitizerStrategy implements ICCProfileSanitizer {
public void fixProfile(final ICC_Profile profile, byte[] profileHeader) {
Validate.notNull(profile, "profile");
// Let LCMS handle things internally for now
}
}