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src/java.desktop/share/classes/java/awt/image/ColorModel.java
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*** 1,7 ****
/*
! * Copyright (c) 1995, 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) 1995, 2017, 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
*** 29,42 ****
import java.awt.color.ColorSpace;
import java.awt.color.ICC_ColorSpace;
import sun.java2d.cmm.CMSManager;
import sun.java2d.cmm.ColorTransform;
import sun.java2d.cmm.PCMM;
- import java.awt.Toolkit;
import java.util.Collections;
import java.util.Map;
import java.util.WeakHashMap;
/**
* The {@code ColorModel} abstract class encapsulates the
* methods for translating a pixel value to color components
* (for example, red, green, and blue) and an alpha component.
--- 29,42 ----
import java.awt.color.ColorSpace;
import java.awt.color.ICC_ColorSpace;
import sun.java2d.cmm.CMSManager;
import sun.java2d.cmm.ColorTransform;
import sun.java2d.cmm.PCMM;
import java.util.Collections;
import java.util.Map;
import java.util.WeakHashMap;
+ import java.util.Arrays;
/**
* The {@code ColorModel} abstract class encapsulates the
* methods for translating a pixel value to color components
* (for example, red, green, and blue) and an alpha component.
*** 360,370 ****
else {
this.isAlphaPremultiplied = isAlphaPremultiplied;
this.transparency = transparency;
}
! nBits = bits.clone();
this.pixel_bits = pixel_bits;
if (pixel_bits <= 0) {
throw new IllegalArgumentException("Number of pixel bits must "+
"be > 0");
}
--- 360,377 ----
else {
this.isAlphaPremultiplied = isAlphaPremultiplied;
this.transparency = transparency;
}
! /*
! * We need significant bits value only for the length
! * of number of components, so we truncate remaining part.
! * It also helps in hashCode calculation since bits[] can contain
! * different values after the length of number of components between
! * two ColorModels.
! */
! nBits = Arrays.copyOf(bits, numComponents);
this.pixel_bits = pixel_bits;
if (pixel_bits <= 0) {
throw new IllegalArgumentException("Number of pixel bits must "+
"be > 0");
}
*** 1439,1511 ****
return getNormalizedComponents(components, 0,
normComponents, normOffset);
}
/**
! * Tests if the specified {@code Object} is an instance of
! * {@code ColorModel} and if it equals this
! * {@code ColorModel}.
! * @param obj the {@code Object} to test for equality
! * @return {@code true} if the specified {@code Object}
! * is an instance of {@code ColorModel} and equals this
! * {@code ColorModel}; {@code false} otherwise.
*/
public boolean equals(Object obj) {
! if (!(obj instanceof ColorModel)) {
! return false;
! }
! ColorModel cm = (ColorModel) obj;
!
! if (this == cm) {
! return true;
! }
! if (supportsAlpha != cm.hasAlpha() ||
! isAlphaPremultiplied != cm.isAlphaPremultiplied() ||
! pixel_bits != cm.getPixelSize() ||
! transparency != cm.getTransparency() ||
! numComponents != cm.getNumComponents())
! {
! return false;
! }
!
! int[] nb = cm.getComponentSize();
!
! if ((nBits != null) && (nb != null)) {
! for (int i = 0; i < numComponents; i++) {
! if (nBits[i] != nb[i]) {
! return false;
! }
! }
! } else {
! return ((nBits == null) && (nb == null));
! }
!
! return true;
}
/**
! * Returns the hash code for this ColorModel.
! *
! * @return a hash code for this ColorModel.
*/
public int hashCode() {
!
! int result = 0;
!
! result = (supportsAlpha ? 2 : 3) +
! (isAlphaPremultiplied ? 4 : 5) +
! pixel_bits * 6 +
! transparency * 7 +
! numComponents * 8;
!
! if (nBits != null) {
! for (int i = 0; i < numComponents; i++) {
! result = result + nBits[i] * (i + 9);
! }
! }
!
! return result;
}
/**
* Returns the {@code ColorSpace} associated with this
* {@code ColorModel}.
--- 1446,1502 ----
return getNormalizedComponents(components, 0,
normComponents, normOffset);
}
/**
! * This method simply delegates to the default implementation in {@code Object}
! * which is identical to an {@code ==} test since this class cannot enforce the
! * issues of a proper equality test among multiple independent subclass
! * branches.
! * Subclasses are encouraged to override this method and provide equality
! * testing for their own properties in addition to equality tests for the
! * following common base properties of {@code ColorModel}:
! * <ul>
! * <li>Support for alpha component.</li>
! * <li>Is alpha premultiplied.</li>
! * <li>Number of bits per pixel.</li>
! * <li>Type of transparency like Opaque, Bitmask or Translucent.</li>
! * <li>Number of components in a pixel.</li>
! * <li>{@code ColorSpace} type.</li>
! * <li>Type of the array used to represent pixel values.</li>
! * <li>Number of significant bits per color and alpha component.</li>
! * </ul>
! * @param obj the reference object with which to compare.
! * @return {@code true} if this object is the same as the obj
! * argument; {@code false} otherwise.
*/
+ @Override
public boolean equals(Object obj) {
! return super.equals(obj);
}
/**
! * This method simply delegates to the default implementation in {@code Object}
! * which returns the system ID for the class.
! * Subclasses are encouraged to override this method and provide a hash
! * for their own properties in addition to hashing the values of the
! * following common base properties of {@code ColorModel}:
! * <ul>
! * <li>Support for alpha component.</li>
! * <li>Is alpha premultiplied.</li>
! * <li>Number of bits per pixel.</li>
! * <li>Type of transparency like Opaque, Bitmask or Translucent.</li>
! * <li>Number of components in a pixel.</li>
! * <li>{@code ColorSpace} type.</li>
! * <li>Type of the array used to represent pixel values.</li>
! * <li>Number of significant bits per color and alpha component.</li>
! * </ul>
! * @return a hash code value for this object.
*/
+ @Override
public int hashCode() {
! return super.hashCode();
}
/**
* Returns the {@code ColorSpace} associated with this
* {@code ColorModel}.
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