private ICC_Profile buildICCProfile(
final ImageInfo info, final ColorSpace colorSpace, final ByteArrayOutputStream iccStream)
throws IOException {
if (iccStream != null && iccStream.size() > 0) {
if (log.isDebugEnabled()) {
log.debug("Effective ICC profile size: " + iccStream.size());
}
final int alignment = 4;
final int padding = (alignment - iccStream.size() % alignment) % alignment;
if (padding != 0) {
try {
iccStream.write(new byte[padding]);
} catch (final IOException ioe) {
throw new IOException("Error while aligning ICC stream: " + ioe.getMessage());
}
}
ICC_Profile iccProfile = null;
try {
iccProfile = ColorProfileUtil.getICC_Profile(iccStream.toByteArray());
if (log.isDebugEnabled()) {
log.debug("JPEG has an ICC profile: " + iccProfile.toString());
}
} catch (final IllegalArgumentException iae) {
log.warn(
"An ICC profile is present in the JPEG file but it is invalid ("
+ iae.getMessage()
+ "). The color profile will be ignored. ("
+ info.getOriginalURI()
+ ")");
return null;
}
if (iccProfile.getNumComponents() != colorSpace.getNumComponents()) {
log.warn(
"The number of components of the ICC profile ("
+ iccProfile.getNumComponents()
+ ") doesn't match the image ("
+ colorSpace.getNumComponents()
+ "). Ignoring the ICC color profile.");
return null;
} else {
return iccProfile;
}
} else {
return null; // no ICC profile available
}
}
/**
* Indicates whether a given color profile is identical to the default sRGB profile provided by
* the Java class library.
*
* @param profile the color profile to check
* @return true if it is the default sRGB profile
* @deprecated use org.apache.xmlgraphics.java2d.color.profile.ColorProfileUtil directly
*/
public static boolean isDefaultsRGB(ICC_Profile profile) {
return org.apache.xmlgraphics.java2d.color.profile.ColorProfileUtil.isDefaultsRGB(profile);
}
/**
* Returns the profile description of an ICC profile
*
* @param profile the profile
* @return the description
* @deprecated use org.apache.xmlgraphics.java2d.color.profile.ColorProfileUtil directly
*/
public static String getICCProfileDescription(ICC_Profile profile) {
return org.apache.xmlgraphics.java2d.color.profile.ColorProfileUtil.getICCProfileDescription(
profile);
}