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src/java.desktop/share/classes/java/awt/color/ICC_ProfileGray.java

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*** 1,7 **** /* ! * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this --- 1,7 ---- /* ! * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this
*** 21,32 **** * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ ! /* ! ********************************************************************** ********************************************************************** ********************************************************************** *** COPYRIGHT (c) Eastman Kodak Company, 1997 *** *** As an unpublished work pursuant to Title 17 of the United *** *** States Code. All rights reserved. *** --- 21,31 ---- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ ! /* ******************************************************************** ********************************************************************** ********************************************************************** *** COPYRIGHT (c) Eastman Kodak Company, 1997 *** *** As an unpublished work pursuant to Title 17 of the United *** *** States Code. All rights reserved. ***
*** 38,146 **** import sun.java2d.cmm.Profile; import sun.java2d.cmm.ProfileDeferralInfo; /** ! * ! * A subclass of the ICC_Profile class which represents profiles ! * which meet the following criteria: the color space type of the ! * profile is TYPE_GRAY and the profile includes the grayTRCTag and ! * mediaWhitePointTag tags. Examples of this kind of profile are ! * monochrome input profiles, monochrome display profiles, and ! * monochrome output profiles. The getInstance methods in the ! * ICC_Profile class will ! * return an ICC_ProfileGray object when the above conditions are ! * met. The advantage of this class is that it provides a lookup ! * table that Java or native methods may be able to use directly to ! * optimize color conversion in some cases. * <p> * To transform from a GRAY device profile color space to the CIEXYZ Profile ! * Connection Space, the device gray component is transformed by ! * a lookup through the tone reproduction curve (TRC). The result is ! * treated as the achromatic component of the PCS. ! <pre> ! ! &nbsp; PCSY = grayTRC[deviceGray] ! ! </pre> ! * The inverse transform is done by converting the PCS Y components to ! * device Gray via the inverse of the grayTRC. */ - - - public class ICC_ProfileGray extends ICC_Profile { static final long serialVersionUID = -1124721290732002649L; /** ! * Constructs a new ICC_ProfileGray from a CMM ID. */ ICC_ProfileGray(Profile p) { super(p); } /** ! * Constructs a new ICC_ProfileGray from a ProfileDeferralInfo object. */ ICC_ProfileGray(ProfileDeferralInfo pdi) { super(pdi); } - /** ! * Returns a float array of length 3 containing the X, Y, and Z ! * components of the mediaWhitePointTag in the ICC profile. ! * @return an array containing the components of the ! * mediaWhitePointTag in the ICC profile. */ public float[] getMediaWhitePoint() { return super.getMediaWhitePoint(); } - /** ! * Returns a gamma value representing the tone reproduction ! * curve (TRC). If the profile represents the TRC as a table rather ! * than a single gamma value, then an exception is thrown. In this ! * case the actual table can be obtained via getTRC(). When ! * using a gamma value, the PCS Y component is computed as follows: ! <pre> ! ! &nbsp; gamma ! &nbsp; PCSY = deviceGray ! ! </pre> ! * @return the gamma value as a float. ! * @exception ProfileDataException if the profile does not specify ! * the TRC as a single gamma value. */ public float getGamma() { float theGamma; theGamma = super.getGamma(ICC_Profile.icSigGrayTRCTag); return theGamma; } /** ! * Returns the TRC as an array of shorts. If the profile has ! * specified the TRC as linear (gamma = 1.0) or as a simple gamma ! * value, this method throws an exception, and the getGamma() method ! * should be used to get the gamma value. Otherwise the short array ! * returned here represents a lookup table where the input Gray value ! * is conceptually in the range [0.0, 1.0]. Value 0.0 maps ! * to array index 0 and value 1.0 maps to array index length-1. ! * Interpolation may be used to generate output values for ! * input values which do not map exactly to an index in the ! * array. Output values also map linearly to the range [0.0, 1.0]. ! * Value 0.0 is represented by an array value of 0x0000 and ! * value 1.0 by 0xFFFF, i.e. the values are really unsigned ! * short values, although they are returned in a short array. ! * @return a short array representing the TRC. ! * @exception ProfileDataException if the profile does not specify ! * the TRC as a table. */ public short[] getTRC() { short[] theTRC; theTRC = super.getTRC(ICC_Profile.icSigGrayTRCTag); --- 37,146 ---- import sun.java2d.cmm.Profile; import sun.java2d.cmm.ProfileDeferralInfo; /** ! * The {@code ICC_ProfileGray} class is a subclass of the {@code ICC_Profile} ! * class that represents profiles which meet the following criteria: the color ! * space type of the profile is {@code TYPE_GRAY} and the profile includes the ! * {@code grayTRCTag} and {@code mediaWhitePointTag} tags. The ! * {@code getInstance} methods in the {@code ICC_Profile} class will return an ! * {@code ICC_ProfileGray} object when the above conditions are met. Examples of ! * this kind of profile are monochrome input profiles, monochrome display ! * profiles, and monochrome output profiles. ! * <p> ! * The advantage of this class is that it provides a lookup table that Java ! * or native methods can use directly to optimize color conversion in some ! * cases. * <p> * To transform from a GRAY device profile color space to the CIEXYZ Profile ! * Connection Space, the device gray component is transformed by a lookup ! * through the tone reproduction curve (TRC). The result is treated as the ! * achromatic component of the PCS. ! * <pre> ! * ! * &nbsp; PCSY = grayTRC[deviceGray] ! * ! * </pre> ! * The inverse transform is done by converting the PCS Y components to device ! * Gray via the inverse of the grayTRC. */ public class ICC_ProfileGray extends ICC_Profile { + /** + * Use serialVersionUID from JDK 1.2 for interoperability. + */ static final long serialVersionUID = -1124721290732002649L; /** ! * Constructs a new {@code ICC_ProfileGray} from a CMM ID. */ ICC_ProfileGray(Profile p) { super(p); } /** ! * Constructs a new {@code ICC_ProfileGray} from a ! * {@code ProfileDeferralInfo} object. */ ICC_ProfileGray(ProfileDeferralInfo pdi) { super(pdi); } /** ! * Returns a float array of length 3 containing the X, Y, and Z components ! * of the mediaWhitePointTag in the ICC profile. ! * ! * @return an array containing the components of the mediaWhitePointTag in ! * the ICC profile */ public float[] getMediaWhitePoint() { return super.getMediaWhitePoint(); } /** ! * Returns a gamma value representing the tone reproduction curve (TRC). If ! * the profile represents the TRC as a table rather than a single gamma ! * value, then an exception is thrown. In this case the actual table can be ! * obtained via {@code getTRC()}. When using a gamma value, the PCS Y ! * component is computed as follows: ! * <pre> ! * ! * &nbsp; gamma ! * &nbsp; PCSY = deviceGray ! * ! * </pre> ! * ! * @return the gamma value as a float ! * @throws ProfileDataException if the profile does not specify the TRC as a ! * single gamma value */ public float getGamma() { float theGamma; theGamma = super.getGamma(ICC_Profile.icSigGrayTRCTag); return theGamma; } /** ! * Returns the TRC as an array of shorts. If the profile has specified the ! * TRC as linear (gamma = 1.0) or as a simple gamma value, this method ! * throws an exception, and the {@code getGamma()} method should be used to ! * get the gamma value. Otherwise the short array returned here represents a ! * lookup table where the input Gray value is conceptually in the range ! * [0.0, 1.0]. Value 0.0 maps to array index 0 and value 1.0 maps to array ! * index {@code length-1}. Interpolation may be used to generate output ! * values for input values which do not map exactly to an index in the ! * array. Output values also map linearly to the range [0.0, 1.0]. Value 0.0 ! * is represented by an array value of 0x0000 and value 1.0 by 0xFFFF, i.e. ! * the values are really unsigned short values, although they are returned ! * in a short array. ! * ! * @return a short array representing the TRC ! * @throws ProfileDataException if the profile does not specify the TRC as a ! * table */ public short[] getTRC() { short[] theTRC; theTRC = super.getTRC(ICC_Profile.icSigGrayTRCTag);
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