6662775: Move imaging and color classes from closed to open

Reviewed-by: tdv, campbell

make/common/internal/BinaryPlugs.gmk

@@ -126,44 +126,10 @@ com/sun/media/sound/SimpleInputDeviceProvider\$$1.class \
 com/sun/media/sound/SimpleInputDeviceProvider\$$InputDeviceInfo.class \
 com/sun/media/sound/SimpleInputDeviceProvider.class
 
-PLUG_AWT_CLASS_NAMES = \
-java/awt/color/CMMException.class \
-java/awt/color/ColorSpace.class \
-java/awt/color/ICC_ColorSpace.class \
-java/awt/color/ICC_Profile\$$1.class \
-java/awt/color/ICC_Profile\$$2.class \
-java/awt/color/ICC_Profile\$$3.class \
-java/awt/color/ICC_Profile.class \
-java/awt/color/ICC_ProfileGray.class \
-java/awt/color/ICC_ProfileRGB.class \
-java/awt/image/BandedSampleModel.class \
-java/awt/image/ColorConvertOp.class \
-java/awt/image/ComponentSampleModel.class \
-java/awt/image/DataBuffer\$$1.class \
-java/awt/image/DataBuffer.class \
-java/awt/image/DataBufferByte.class \
-java/awt/image/DataBufferInt.class \
-java/awt/image/DataBufferShort.class \
-java/awt/image/DataBufferUShort.class \
-java/awt/image/MultiPixelPackedSampleModel.class \
-java/awt/image/Raster.class \
-java/awt/image/RenderedImage.class \
-java/awt/image/SampleModel.class \
-java/awt/image/SinglePixelPackedSampleModel.class \
-java/awt/image/WritableRaster.class \
-java/awt/image/WritableRenderedImage.class \
-java/awt/image/renderable/ContextualRenderedImageFactory.class \
-java/awt/image/renderable/ParameterBlock.class \
-java/awt/image/renderable/RenderContext.class \
-java/awt/image/renderable/RenderableImage.class \
-java/awt/image/renderable/RenderableImageOp.class \
-java/awt/image/renderable/RenderableImageProducer.class \
-java/awt/image/renderable/RenderedImageFactory.class
-
 # Class list temp files (used by both import and export of plugs)
 
 PLUG_TEMPDIR=$(ABS_TEMPDIR)/plugs
-PLUG_CLASS_AREAS = jmf sound awt
+PLUG_CLASS_AREAS = jmf sound
 PLUG_CLISTS = $(PLUG_CLASS_AREAS:%=$(PLUG_TEMPDIR)/%.clist)
 
 # Create jargs file command
@@ -186,11 +152,6 @@ $(PLUG_TEMPDIR)/sound.clist:
 	@for i in $(PLUG_SOUND_CLASS_NAMES) ; do \
 	  $(ECHO) "$$i" >> $@ ; \
 	done
-$(PLUG_TEMPDIR)/awt.clist:
-	@$(prep-target)
-	@for i in $(PLUG_AWT_CLASS_NAMES) ; do \
-	  $(ECHO) "$$i" >> $@ ; \
-	done
 $(PLUG_TEMPDIR)/all.clist: $(PLUG_CLISTS)
 	@$(prep-target)
 	$(CAT) $(PLUG_CLISTS) > $@
@@ -198,8 +159,6 @@ $(PLUG_TEMPDIR)/jmf.jargs: $(PLUG_TEMPDIR)/jmf.clist
 	$(plug-create-jargs)
 $(PLUG_TEMPDIR)/sound.jargs: $(PLUG_TEMPDIR)/sound.clist
 	$(plug-create-jargs)
-$(PLUG_TEMPDIR)/awt.jargs: $(PLUG_TEMPDIR)/awt.clist
-	$(plug-create-jargs)
 $(PLUG_TEMPDIR)/all.jargs: $(PLUG_TEMPDIR)/all.clist
 	$(plug-create-jargs)
 
@@ -235,15 +194,12 @@ import-binary-plug-jmf-classes: $(PLUG_IMPORT_JARFILE) $(PLUG_TEMPDIR)/jmf.clist
 	$(call import-binary-plug-classes,$(PLUG_TEMPDIR)/jmf.clist)
 import-binary-plug-sound-classes: $(PLUG_IMPORT_JARFILE) $(PLUG_TEMPDIR)/sound.clist
 	$(call import-binary-plug-classes,$(PLUG_TEMPDIR)/sound.clist)
-import-binary-plug-awt-classes: $(PLUG_IMPORT_JARFILE) $(PLUG_TEMPDIR)/awt.clist
-	$(call import-binary-plug-classes,$(PLUG_TEMPDIR)/awt.clist)
 
 # Import all classes from the jar file
 
 import-binary-plug-jar: \
 	     import-binary-plug-jmf-classes \
-	     import-binary-plug-sound-classes \
-	     import-binary-plug-awt-classes
+	     import-binary-plug-sound-classes
 
 # Import native libraries
 
@@ -286,7 +242,6 @@ import-binary-plugs: \
 	import-binary-plug-jar \
         import-binary-plug-jmf-classes \
         import-binary-plug-sound-classes \
-	import-binary-plug-awt-classes \
         import-binary-plug-jsound-library
 
 else # !OPENJDK

make/java/awt/Makefile

@@ -28,24 +28,12 @@ PACKAGE = java.awt
 PRODUCT = sun
 include $(BUILDDIR)/common/Defs.gmk
 
-# WARNING: Make sure the OPENJDK plugs are up-to-date, see make/common/internal/BinaryPlugs.gmk
 
 #
 # Files
 #
 AUTO_FILES_JAVA_DIRS = java/awt sun/awt/geom
 
-#
-# Specific to OPENJDK
-#
-ifdef OPENJDK
-
-build: import-binary-plug-awt-classes
-
-include $(BUILDDIR)/common/internal/BinaryPlugs.gmk
-
-endif
-
 build: properties cursors
 
 #

src/share/classes/java/awt/color/CMMException.java

+/*
+ * 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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+    Created by gbp, October 25, 1997
+
+ *
+ */
+/**********************************************************************
+ **********************************************************************
+ **********************************************************************
+ *** COPYRIGHT (c) Eastman Kodak Company, 1997                      ***
+ *** As  an unpublished  work pursuant to Title 17 of the United    ***
+ *** States Code.  All rights reserved.                             ***
+ **********************************************************************
+ **********************************************************************
+ **********************************************************************/
+
+
+package java.awt.color;
+
+
+/**
+ * This exception is thrown if the native CMM returns an error.
+ */
+
+public class CMMException extends java.lang.RuntimeException {
+
+    /**
+     *  Constructs a CMMException with the specified detail message.
+     *  @param s the specified detail message
+     */
+    public CMMException (String s) {
+        super (s);
+    }
+}

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

+/*
+ * Portions Copyright 1997-2007 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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.                             ***
+ **********************************************************************
+ **********************************************************************
+ **********************************************************************/
+
+package java.awt.color;
+
+import java.awt.image.LookupTable;
+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.
+ * <p>
+ */
+
+
+
+public class ICC_ProfileGray
+extends ICC_Profile {
+
+    static final long serialVersionUID = -1124721290732002649L;
+
+    /**
+     * Constructs a new ICC_ProfileGray from a CMM ID.
+     */
+    ICC_ProfileGray(long ID) {
+        super(ID);
+    }
+
+    /**
+     * 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);
+        return theTRC;
+    }
+
+}

src/share/classes/java/awt/color/ICC_ProfileRGB.java

+/*
+ * Portions Copyright 1997-2007 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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.                             ***
+ **********************************************************************
+ **********************************************************************
+ **********************************************************************/
+
+package java.awt.color;
+
+import java.awt.image.LookupTable;
+import sun.java2d.cmm.ProfileDeferralInfo;
+
+/**
+ *
+ * The ICC_ProfileRGB class is a subclass of the ICC_Profile class
+ * that represents profiles which meet the following criteria:
+ * <ul>
+ * <li>The profile's color space type is RGB.</li>
+ * <li>The profile includes the <code>redColorantTag</code>,
+ * <code>greenColorantTag</code>, <code>blueColorantTag</code>,
+ * <code>redTRCTag</code>, <code>greenTRCTag</code>,
+ * <code>blueTRCTag</code>, and <code>mediaWhitePointTag</code> tags.</li>
+ * </ul>
+ * The <code>ICC_Profile</code> <code>getInstance</code> method will
+ * return an <code>ICC_ProfileRGB</code> object when these conditions are met.
+ * Three-component, matrix-based input profiles and RGB display profiles are
+ * examples of this type of profile.
+ * <p>
+ * This profile class provides color transform matrices and lookup tables
+ * that Java or native methods can use directly to
+ * optimize color conversion in some cases.
+ * <p>
+ * To transform from a device profile color space to the CIEXYZ Profile
+ * Connection Space, each device color component is first linearized by
+ * a lookup through the corresponding tone reproduction curve (TRC).
+ * The resulting linear RGB components are converted to the CIEXYZ PCS
+ * using a a 3x3 matrix constructed from the RGB colorants.
+ * <pre>
+ *
+ * &nbsp;               linearR = redTRC[deviceR]
+ *
+ * &nbsp;               linearG = greenTRC[deviceG]
+ *
+ * &nbsp;               linearB = blueTRC[deviceB]
+ *
+ * &nbsp; _      _       _                                             _   _         _
+ * &nbsp;[  PCSX  ]     [  redColorantX  greenColorantX  blueColorantX  ] [  linearR  ]
+ * &nbsp;[        ]     [                                               ] [           ]
+ * &nbsp;[  PCSY  ]  =  [  redColorantY  greenColorantY  blueColorantY  ] [  linearG  ]
+ * &nbsp;[        ]     [                                               ] [           ]
+ * &nbsp;[_ PCSZ _]     [_ redColorantZ  greenColorantZ  blueColorantZ _] [_ linearB _]
+ *
+ * </pre>
+ * The inverse transform is performed by converting PCS XYZ components to linear
+ * RGB components through the inverse of the above 3x3 matrix, and then converting
+ * linear RGB to device RGB through inverses of the TRCs.
+ * <p>
+ */
+
+
+
+public class ICC_ProfileRGB
+extends ICC_Profile {
+
+    static final long serialVersionUID = 8505067385152579334L;
+
+    /**
+     * Used to get a gamma value or TRC for the red component.
+     */
+    public static final int REDCOMPONENT = 0;
+
+    /**
+     * Used to get a gamma value or TRC for the green component.
+     */
+    public static final int GREENCOMPONENT = 1;
+
+    /**
+     * Used to get a gamma value or TRC for the blue component.
+     */
+    public static final int BLUECOMPONENT = 2;
+
+
+    /**
+     * Constructs an new <code>ICC_ProfileRGB</code> from a CMM ID.
+     *
+     * @param ID The CMM ID for the profile.
+     *
+     */
+    ICC_ProfileRGB(long ID) {
+        super(ID);
+    }
+
+    /**
+     * Constructs a new <code>ICC_ProfileRGB</code> from a
+     * ProfileDeferralInfo object.
+     *
+     * @param pdi
+     */
+    ICC_ProfileRGB(ProfileDeferralInfo pdi) {
+        super(pdi);
+    }
+
+
+    /**
+     * Returns an array that contains the components of the profile's
+     * <CODE>mediaWhitePointTag</CODE>.
+     *
+     * @return A 3-element <CODE>float</CODE> array containing the x, y,
+     * and z components of the profile's <CODE>mediaWhitePointTag</CODE>.
+     */
+    public float[] getMediaWhitePoint() {
+        return super.getMediaWhitePoint();
+    }
+
+
+    /**
+     * Returns a 3x3 <CODE>float</CODE> matrix constructed from the
+     * X, Y, and Z components of the profile's <CODE>redColorantTag</CODE>,
+     * <CODE>greenColorantTag</CODE>, and <CODE>blueColorantTag</CODE>.
+     * <p>
+     * This matrix can be used for color transforms in the forward
+     * direction of the profile--from the profile color space
+     * to the CIEXYZ PCS.
+     *
+     * @return A 3x3 <CODE>float</CODE> array that contains the x, y, and z
+     * components of the profile's <CODE>redColorantTag</CODE>,
+     * <CODE>greenColorantTag</CODE>, and <CODE>blueColorantTag</CODE>.
+     */
+    public float[][] getMatrix() {
+        float[][] theMatrix = new float[3][3];
+        float[] tmpMatrix;
+
+        tmpMatrix = getXYZTag(ICC_Profile.icSigRedColorantTag);
+        theMatrix[0][0] = tmpMatrix[0];
+        theMatrix[1][0] = tmpMatrix[1];
+        theMatrix[2][0] = tmpMatrix[2];
+        tmpMatrix = getXYZTag(ICC_Profile.icSigGreenColorantTag);
+        theMatrix[0][1] = tmpMatrix[0];
+        theMatrix[1][1] = tmpMatrix[1];
+        theMatrix[2][1] = tmpMatrix[2];
+        tmpMatrix = getXYZTag(ICC_Profile.icSigBlueColorantTag);
+        theMatrix[0][2] = tmpMatrix[0];
+        theMatrix[1][2] = tmpMatrix[1];
+        theMatrix[2][2] = tmpMatrix[2];
+        return theMatrix;
+    }
+
+    /**
+     * Returns a gamma value representing the tone reproduction curve
+     * (TRC) for a particular component.  The component parameter
+     * must be one of REDCOMPONENT, GREENCOMPONENT, or BLUECOMPONENT.
+     * <p>
+     * If the profile
+     * represents the TRC for the corresponding component
+     * as a table rather than a single gamma value, an
+     * exception is thrown.  In this case the actual table
+     * can be obtained through the {@link #getTRC(int)} method.
+     * When using a gamma value,
+     * the linear component (R, G, or B) is computed as follows:
+     * <pre>
+     *
+     * &nbsp;                                         gamma
+     * &nbsp;        linearComponent = deviceComponent
+     *
+     *</pre>
+     * @param component The <CODE>ICC_ProfileRGB</CODE> constant that
+     * represents the component whose TRC you want to retrieve
+     * @return the gamma value as a float.
+     * @exception ProfileDataException if the profile does not specify
+     *            the corresponding TRC as a single gamma value.
+     */
+    public float getGamma(int component) {
+    float theGamma;
+    int theSignature;
+
+        switch (component) {
+        case REDCOMPONENT:
+            theSignature = ICC_Profile.icSigRedTRCTag;
+            break;
+
+        case GREENCOMPONENT:
+            theSignature = ICC_Profile.icSigGreenTRCTag;
+            break;
+
+        case BLUECOMPONENT:
+            theSignature = ICC_Profile.icSigBlueTRCTag;
+            break;
+
+        default:
+            throw new IllegalArgumentException("Must be Red, Green, or Blue");
+        }
+
+        theGamma = super.getGamma(theSignature);
+
+        return theGamma;
+    }
+
+    /**
+     * Returns the TRC for a particular component as an array.
+     * Component must be <code>REDCOMPONENT</code>,
+     * <code>GREENCOMPONENT</code>, or <code>BLUECOMPONENT</code>.
+     * Otherwise the returned array
+     * represents a lookup table where the input component 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 might be used to generate output values for
+     * input values that 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.  In other words, the values are really unsigned
+     * <code>short</code> values even though they are returned in a
+     * <code>short</code> array.
+     *
+     * If the profile has specified the corresponding TRC
+     * as linear (gamma = 1.0) or as a simple gamma value, this method
+     * throws an exception.  In this case, the {@link #getGamma(int)}
+     * method should be used to get the gamma value.
+     *
+     * @param component The <CODE>ICC_ProfileRGB</CODE> constant that
+     * represents the component whose TRC you want to retrieve:
+     * <CODE>REDCOMPONENT</CODE>, <CODE>GREENCOMPONENT</CODE>, or
+     * <CODE>BLUECOMPONENT</CODE>.
+     *
+     * @return a short array representing the TRC.
+     * @exception ProfileDataException if the profile does not specify
+     *            the corresponding TRC as a table.
+     */
+    public short[] getTRC(int component) {
+    short[] theTRC;
+    int theSignature;
+
+        switch (component) {
+        case REDCOMPONENT:
+            theSignature = ICC_Profile.icSigRedTRCTag;
+            break;
+
+        case GREENCOMPONENT:
+            theSignature = ICC_Profile.icSigGreenTRCTag;
+            break;
+
+        case BLUECOMPONENT:
+            theSignature = ICC_Profile.icSigBlueTRCTag;
+            break;
+
+        default:
+            throw new IllegalArgumentException("Must be Red, Green, or Blue");
+        }
+
+        theTRC = super.getTRC(theSignature);
+
+        return theTRC;
+    }
+
+}

src/share/classes/java/awt/image/DataBufferByte.java

+/*
+ * Portions Copyright 1997-2007 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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.
+ ******************************************************************
+ ******************************************************************
+ ******************************************************************/
+
+package java.awt.image;
+
+import static sun.java2d.StateTrackable.State.*;
+
+/**
+ * This class extends <CODE>DataBuffer</CODE> and stores data internally as bytes.
+ * Values stored in the byte array(s) of this <CODE>DataBuffer</CODE> are treated as
+ * unsigned values.
+ * <p>
+ * <a name="optimizations">
+ * Note that some implementations may function more efficiently
+ * if they can maintain control over how the data for an image is
+ * stored.
+ * For example, optimizations such as caching an image in video
+ * memory require that the implementation track all modifications
+ * to that data.
+ * Other implementations may operate better if they can store the
+ * data in locations other than a Java array.
+ * To maintain optimum compatibility with various optimizations
+ * it is best to avoid constructors and methods which expose the
+ * underlying storage as a Java array, as noted below in the
+ * documentation for those methods.
+ * </a>
+ */
+public final class DataBufferByte extends DataBuffer
+{
+    /** The default data bank. */
+    byte data[];
+
+    /** All data banks */
+    byte bankdata[][];
+
+    /**
+     * Constructs a byte-based <CODE>DataBuffer</CODE> with a single bank and the
+     * specified size.
+     *
+     * @param size The size of the <CODE>DataBuffer</CODE>.
+     */
+    public DataBufferByte(int size) {
+      super(STABLE, TYPE_BYTE, size);
+      data = new byte[size];
+      bankdata = new byte[1][];
+      bankdata[0] = data;
+    }
+
+    /**
+     * Constructs a byte based <CODE>DataBuffer</CODE> with the specified number of
+     * banks all of which are the specified size.
+     *
+     * @param size The size of the banks in the <CODE>DataBuffer</CODE>.
+     * @param numBanks The number of banks in the a<CODE>DataBuffer</CODE>.
+     */
+    public DataBufferByte(int size, int numBanks) {
+        super(STABLE, TYPE_BYTE, size, numBanks);
+        bankdata = new byte[numBanks][];
+        for (int i= 0; i < numBanks; i++) {
+            bankdata[i] = new byte[size];
+        }
+        data = bankdata[0];
+    }
+
+    /**
+     * Constructs a byte-based <CODE>DataBuffer</CODE> with a single bank using the
+     * specified array.
+     * Only the first <CODE>size</CODE> elements should be used by accessors of
+     * this <CODE>DataBuffer</CODE>.  <CODE>dataArray</CODE> must be large enough to
+     * hold <CODE>size</CODE> elements.
+     * <p>
+     * Note that {@code DataBuffer} objects created by this constructor
+     * may be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @param dataArray The byte array for the <CODE>DataBuffer</CODE>.
+     * @param size The size of the <CODE>DataBuffer</CODE> bank.
+     */
+    public DataBufferByte(byte dataArray[], int size) {
+        super(UNTRACKABLE, TYPE_BYTE, size);
+        data = dataArray;
+        bankdata = new byte[1][];
+        bankdata[0] = data;
+    }
+
+    /**
+     * Constructs a byte-based <CODE>DataBuffer</CODE> with a single bank using the
+     * specified array, size, and offset.  <CODE>dataArray</CODE> must have at least
+     * <CODE>offset</CODE> + <CODE>size</CODE> elements.  Only elements <CODE>offset</CODE>
+     * through <CODE>offset</CODE> + <CODE>size</CODE> - 1
+     * should be used by accessors of this <CODE>DataBuffer</CODE>.
+     * <p>
+     * Note that {@code DataBuffer} objects created by this constructor
+     * may be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @param dataArray The byte array for the <CODE>DataBuffer</CODE>.
+     * @param size The size of the <CODE>DataBuffer</CODE> bank.
+     * @param offset The offset into the <CODE>dataArray</CODE>. <CODE>dataArray</CODE>
+     * must have at least <CODE>offset</CODE> + <CODE>size</CODE> elements.
+     */
+    public DataBufferByte(byte dataArray[], int size, int offset){
+        super(UNTRACKABLE, TYPE_BYTE, size, 1, offset);
+        data = dataArray;
+        bankdata = new byte[1][];
+        bankdata[0] = data;
+    }
+
+    /**
+     * Constructs a byte-based <CODE>DataBuffer</CODE> with the specified arrays.
+     * The number of banks is equal to <CODE>dataArray.length</CODE>.
+     * Only the first <CODE>size</CODE> elements of each array should be used by
+     * accessors of this <CODE>DataBuffer</CODE>.
+     * <p>
+     * Note that {@code DataBuffer} objects created by this constructor
+     * may be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @param dataArray The byte arrays for the <CODE>DataBuffer</CODE>.
+     * @param size The size of the banks in the <CODE>DataBuffer</CODE>.
+     */
+    public DataBufferByte(byte dataArray[][], int size) {
+        super(UNTRACKABLE, TYPE_BYTE, size, dataArray.length);
+        bankdata = (byte[][]) dataArray.clone();
+        data = bankdata[0];
+    }
+
+    /**
+     * Constructs a byte-based <CODE>DataBuffer</CODE> with the specified arrays, size,
+     * and offsets.
+     * The number of banks is equal to <CODE>dataArray.length</CODE>.  Each array must
+     * be at least as large as <CODE>size</CODE> + the corresponding <CODE>offset</CODE>.
+     * There must be an entry in the <CODE>offset</CODE> array for each <CODE>dataArray</CODE>
+     * entry.  For each bank, only elements <CODE>offset</CODE> through
+     * <CODE>offset</CODE> + <CODE>size</CODE> - 1 should be used by accessors of this
+     * <CODE>DataBuffer</CODE>.
+     * <p>
+     * Note that {@code DataBuffer} objects created by this constructor
+     * may be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @param dataArray The byte arrays for the <CODE>DataBuffer</CODE>.
+     * @param size The size of the banks in the <CODE>DataBuffer</CODE>.
+     * @param offsets The offsets into each array.
+     */
+    public DataBufferByte(byte dataArray[][], int size, int offsets[]) {
+        super(UNTRACKABLE, TYPE_BYTE, size, dataArray.length, offsets);
+        bankdata = (byte[][]) dataArray.clone();
+        data = bankdata[0];
+    }
+
+    /**
+     * Returns the default (first) byte data array.
+     * <p>
+     * Note that calling this method may cause this {@code DataBuffer}
+     * object to be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @return The first byte data array.
+     */
+    public byte[] getData() {
+        theTrackable.setUntrackable();
+        return data;
+    }
+
+    /**
+     * Returns the data array for the specified bank.
+     * <p>
+     * Note that calling this method may cause this {@code DataBuffer}
+     * object to be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @param bank The bank whose data array you want to get.
+     * @return The data array for the specified bank.
+     */
+    public byte[] getData(int bank) {
+        theTrackable.setUntrackable();
+        return bankdata[bank];
+    }
+
+    /**
+     * Returns the data arrays for all banks.
+     * <p>
+     * Note that calling this method may cause this {@code DataBuffer}
+     * object to be incompatible with <a href="#optimizations">performance
+     * optimizations</a> used by some implementations (such as caching
+     * an associated image in video memory).
+     *
+     * @return All of the data arrays.
+     */
+    public byte[][] getBankData() {
+        theTrackable.setUntrackable();
+        return (byte[][]) bankdata.clone();
+    }
+
+    /**
+     * Returns the requested data array element from the first (default) bank.
+     *
+     * @param i The data array element you want to get.
+     * @return The requested data array element as an integer.
+     * @see #setElem(int, int)
+     * @see #setElem(int, int, int)
+     */
+    public int getElem(int i) {
+        return (int)(data[i+offset]) & 0xff;
+    }
+
+    /**
+     * Returns the requested data array element from the specified bank.
+     *
+     * @param bank The bank from which you want to get a data array element.
+     * @param i The data array element you want to get.
+     * @return The requested data array element as an integer.
+     * @see #setElem(int, int)
+     * @see #setElem(int, int, int)
+     */
+    public int getElem(int bank, int i) {
+        return (int)(bankdata[bank][i+offsets[bank]]) & 0xff;
+    }
+
+    /**
+     * Sets the requested data array element in the first (default) bank
+     * to the specified value.
+     *
+     * @param i The data array element you want to set.
+     * @param val The integer value to which you want to set the data array element.
+     * @see #getElem(int)
+     * @see #getElem(int, int)
+     */
+    public void setElem(int i, int val) {
+        data[i+offset] = (byte)val;
+        theTrackable.markDirty();
+    }
+
+    /**
+     * Sets the requested data array element in the specified bank
+     * from the given integer.
+     * @param bank The bank in which you want to set the data array element.
+     * @param i The data array element you want to set.
+     * @param val The integer value to which you want to set the specified data array element.
+     * @see #getElem(int)
+     * @see #getElem(int, int)
+     */
+    public void setElem(int bank, int i, int val) {
+        bankdata[bank][i+offsets[bank]] = (byte)val;
+        theTrackable.markDirty();
+    }
+}