/*
* $RCSfile: SampleModelState.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:56:54 $
* $State: Exp $
*/
package com.lightcrafts.media.jai.rmi;
import java.awt.RenderingHints;
import java.awt.image.BandedSampleModel;
import java.awt.image.ComponentSampleModel;
import java.awt.image.DataBuffer;
import java.awt.image.MultiPixelPackedSampleModel;
import java.awt.image.PixelInterleavedSampleModel;
import java.awt.image.SampleModel;
import java.awt.image.SinglePixelPackedSampleModel;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import com.lightcrafts.mediax.jai.ComponentSampleModelJAI;
import com.lightcrafts.mediax.jai.RasterFactory;
/**
* This class is a serializable proxy for a SampleModel from which the
* SampleModel may be reconstituted.
*
*
* @since 1.1
*/
public class SampleModelState extends SerializableStateImpl {
/** Flag indicating a BandedSampleModel. */
private static final int TYPE_BANDED = 1;
/** Flag indicating a PixelInterleavedSampleModel. */
private static final int TYPE_PIXEL_INTERLEAVED = 2;
/** Flag indicating a SinglePixelPackedSampleModel. */
private static final int TYPE_SINGLE_PIXEL_PACKED = 3;
/** Flag indicating a MultiPixelPackedSampleModel. */
private static final int TYPE_MULTI_PIXEL_PACKED = 4;
/** Flag indicating a ComponentSampleModelJAI. */
private static final int TYPE_COMPONENT_JAI = 5;
/** Flag indicating a generic ComponentSampleModel. */
private static final int TYPE_COMPONENT = 6;
public static Class[] getSupportedClasses() {
return new Class[] {
BandedSampleModel.class,
PixelInterleavedSampleModel.class,
ComponentSampleModel.class,
MultiPixelPackedSampleModel.class,
SinglePixelPackedSampleModel.class,
ComponentSampleModelJAI.class,
com.lightcrafts.media.jai.codecimpl.util.ComponentSampleModelJAI.class
};
}
/*
parameter banded ileaved packed1 packedN
--------- ------ ------- ------- -------
dataType * * * *
width * * * *
height * * * *
numBands *
bankIndices *
bandOffsets * *
pixelStride *
scanlineStride * * *
bitMasks *
numberOfBits *
dataBitOffset *
*/
/**
* Constructs a <code>SampleModelState</code> from a
* <code>SampleModel</code>.
*
* @param c The <code>SampleModel</code> subclass.
* @param o The <code>SampleModel</code> to be serialized.
* @param h The <code>RenderingHints</code> (ignored).
*/
public SampleModelState(Class c, Object o, RenderingHints h) {
super(c, o, h);
}
/**
* Serialize the <code>SampleModelState</code>.
*
* @param out The <code>ObjectOutputStream</code>.
*/
private void writeObject(ObjectOutputStream out) throws IOException {
SampleModel sampleModel = (SampleModel)theObject;
if(sampleModel instanceof ComponentSampleModel) {
ComponentSampleModel sm = (ComponentSampleModel)sampleModel;
int sampleModelType = TYPE_COMPONENT;
int transferType = sm.getTransferType();
if(sampleModel instanceof PixelInterleavedSampleModel) {
sampleModelType = TYPE_PIXEL_INTERLEAVED;
} else if(sampleModel instanceof BandedSampleModel) {
sampleModelType = TYPE_BANDED;
} else if(sampleModel instanceof ComponentSampleModelJAI ||
transferType == DataBuffer.TYPE_FLOAT ||
transferType == DataBuffer.TYPE_DOUBLE) {
sampleModelType = TYPE_COMPONENT_JAI;
}
out.writeInt(sampleModelType);
out.writeInt(transferType);
out.writeInt(sm.getWidth());
out.writeInt(sm.getHeight());
if(sampleModelType != TYPE_BANDED) {
out.writeInt(sm.getPixelStride());
}
out.writeInt(sm.getScanlineStride());
if(sampleModelType != TYPE_PIXEL_INTERLEAVED) {
out.writeObject(sm.getBankIndices());
}
out.writeObject(sm.getBandOffsets());
} else if(sampleModel instanceof
SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)sampleModel;
out.writeInt(TYPE_SINGLE_PIXEL_PACKED);
out.writeInt(sm.getTransferType());
out.writeInt(sm.getWidth());
out.writeInt(sm.getHeight());
out.writeInt(sm.getScanlineStride());
out.writeObject(sm.getBitMasks());
} else if(sampleModel instanceof MultiPixelPackedSampleModel) {
MultiPixelPackedSampleModel sm =
(MultiPixelPackedSampleModel)sampleModel;
out.writeInt(TYPE_MULTI_PIXEL_PACKED);
out.writeInt(sm.getTransferType());
out.writeInt(sm.getWidth());
out.writeInt(sm.getHeight());
out.writeInt(sm.getPixelBitStride());
out.writeInt(sm.getScanlineStride());
out.writeInt(sm.getDataBitOffset());
} else {
throw new RuntimeException(JaiI18N.getString("SampleModelState0"));
}
}
/**
* Deserialize the <code>SampleModelState</code>.
*
* @param out The <code>ObjectInputStream</code>.
*/
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
SampleModel sampleModel = null;
int sampleModelType = (int)in.readInt();
switch(sampleModelType) {
case TYPE_PIXEL_INTERLEAVED:
sampleModel =
RasterFactory.createPixelInterleavedSampleModel(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
(int[])in.readObject());
break;
case TYPE_BANDED:
sampleModel =
RasterFactory.createBandedSampleModel(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
(int[])in.readObject(),
(int[])in.readObject());
break;
case TYPE_COMPONENT_JAI:
sampleModel =
new ComponentSampleModelJAI(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
(int[])in.readObject(),
(int[])in.readObject());
break;
case TYPE_COMPONENT:
sampleModel =
new ComponentSampleModel(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
(int[])in.readObject(),
(int[])in.readObject());
break;
case TYPE_SINGLE_PIXEL_PACKED:
sampleModel = new SinglePixelPackedSampleModel(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
(int[])in.readObject());
break;
case TYPE_MULTI_PIXEL_PACKED:
sampleModel = new MultiPixelPackedSampleModel(in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
in.readInt(),
in.readInt());
break;
default:
throw new RuntimeException(JaiI18N.getString("SampleModelState0"));
}
theObject = sampleModel;
}
}