java.awt.image.SinglePixelPackedSampleModel Java Examples

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

private static byte[] extractDirectRGBInt( int aWidth, int aHeight, DirectColorModel aColorModel, SinglePixelPackedSampleModel aSampleModel, DataBufferInt aDataBuffer ) {
  byte[] out = new byte[ aWidth * aHeight * 3 ];

  int rMask = aColorModel.getRedMask();
  int gMask = aColorModel.getGreenMask();
  int bMask = aColorModel.getBlueMask();
  int rShift = getShift( rMask );
  int gShift = getShift( gMask );
  int bShift = getShift( bMask );
  int[] bank = aDataBuffer.getBankData()[ 0 ];
  int scanlineStride = aSampleModel.getScanlineStride();
  int scanIx = 0;
  for ( int b = 0, y = 0; y < aHeight; y++ ) {
    int pixIx = scanIx;
    for ( int x = 0; x < aWidth; x++, b += 3 ) {
      int pixel = bank[ pixIx++ ];
      out[ b ] = ( byte ) ( ( pixel & rMask ) >>> rShift );
      out[ b + 1 ] = ( byte ) ( ( pixel & gMask ) >>> gShift );
      out[ b + 2 ] = ( byte ) ( ( pixel & bMask ) >>> bShift );
    }
    scanIx += scanlineStride;
  }
  return out;
}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public static int getElementSize(SampleModel sm) {
    int elementSize = DataBuffer.getDataTypeSize(sm.getDataType());

    if (sm instanceof MultiPixelPackedSampleModel) {
        MultiPixelPackedSampleModel mppsm =
            (MultiPixelPackedSampleModel)sm;
        return mppsm.getSampleSize(0) * mppsm.getNumBands();
    } else if (sm instanceof ComponentSampleModel) {
        return sm.getNumBands() * elementSize;
    } else if (sm instanceof SinglePixelPackedSampleModel) {
        return elementSize;
    }

    return elementSize * sm.getNumBands();

}
 

public CustomRenderedImage(
		int worldX,
		int worldY,
		int width,
		int height,
		BiomeProfileSelection biomeProfileSelection,
		BiomeDataOracle biomeDataOracle,
		boolean useQuarterResolution,
		ProgressReporter<Entry<ProgressEntryType, Integer>> progressReporter) {
	this.useQuarterResolution = useQuarterResolution;
	this.resolutionFactor = useQuarterResolution ? 4 : 1;
	this.worldX = worldX;
	this.worldY = worldY;
	this.width = width;
	this.height = height;
	this.colorModel = new DirectColorModel(24, BITMASKS[0], BITMASKS[1], BITMASKS[2]);
	this.sampleModel = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, width, height, BITMASKS);
	this.biomeProfileSelection = biomeProfileSelection;
	this.biomeDataOracle = biomeDataOracle;
	this.progressReporter = progressReporter;
}
 

public boolean canEncodeImage(ImageTypeSpecifier type) {
    int dataType= type.getSampleModel().getDataType();
    if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
        return false;

    SampleModel sm = type.getSampleModel();
    int numBands = sm.getNumBands();
    if (!(numBands == 1 || numBands == 3))
        return false;

    if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
        return false;

    if (dataType > DataBuffer.TYPE_BYTE &&
          !(sm instanceof SinglePixelPackedSampleModel))
        return false;

    return true;
}
 

public static void main(String[] args) {
    Vector<Class<? extends SampleModel>> classes = new Vector<Class<? extends SampleModel>>();

    classes.add(ComponentSampleModel.class);
    classes.add(MultiPixelPackedSampleModel.class);
    classes.add(SinglePixelPackedSampleModel.class);
    classes.add(BandedSampleModel.class);
    classes.add(PixelInterleavedSampleModel.class);

    for (Class<? extends SampleModel> c : classes) {
        doTest(c);
    }
}
 

/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                DataBufferInt dataBuffer,
                                Rectangle aRegion,
                                Point origin,
                                IntegerInterleavedRaster parent)
{
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    this.data = stealData(dataBuffer, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dataBuffer.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 

/**
 * {@inheritDoc}
 */
public final Raster getRaster(int x, int y, int w, int h) {
    // If working raster is big enough, reuse it. Otherwise,
    // build a large enough new one.
    Raster raster = saved;
    if (raster == null ||
        raster.getWidth() < w || raster.getHeight() < h)
    {
        raster = getCachedRaster(model, w, h);
        saved = raster;
    }

    // Access raster internal int array. Because we use a DirectColorModel,
    // we know the DataBuffer is of type DataBufferInt and the SampleModel
    // is SinglePixelPackedSampleModel.
    // Adjust for initial offset in DataBuffer and also for the scanline
    // stride.
    // These calls make the DataBuffer non-acceleratable, but the
    // Raster is never Stable long enough to accelerate anyway...
    DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
    int[] pixels = rasterDB.getData(0);
    int off = rasterDB.getOffset();
    int scanlineStride = ((SinglePixelPackedSampleModel)
                          raster.getSampleModel()).getScanlineStride();
    int adjust = scanlineStride - w;

    fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass

    return raster;
}
 

/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Rectangle aRegion,
                                 Point origin,
                                 IntegerInterleavedRaster parent){
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferInt)) {
       throw new RasterFormatException("IntegerInterleavedRasters must have" +
            "integer DataBuffers");
    }
    DataBufferInt dbi = (DataBufferInt)dataBuffer;
    this.data = stealData(dbi, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbi.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 

/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                 DataBuffer dataBuffer,
                                 Rectangle aRegion,
                                 Point origin,
                                 IntegerInterleavedRaster parent){
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferInt)) {
       throw new RasterFormatException("IntegerInterleavedRasters must have" +
            "integer DataBuffers");
    }
    DataBufferInt dbi = (DataBufferInt)dataBuffer;
    this.data = stealData(dbi, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dbi.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 

private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}
 

/**
 * Constructs a IntegerInterleavedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferInt and
 * SampleModel must be of type SinglePixelPackedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coodinate in the new Raster's coordinate system of
 * the origin of the base Raster.  (The base Raster is the Raster's
 * ancestor which has no parent.)
 *
 * Note that this constructor should generally be called by other
 * constructors or create methods, it should not be used directly.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferInt that contains the image data.
 * @param aRegion         The Rectangle that specifies the image area.
 * @param origin          The Point that specifies the origin.
 * @param parent          The parent (if any) of this raster.
 */
public IntegerInterleavedRaster(SampleModel sampleModel,
                                DataBufferInt dataBuffer,
                                Rectangle aRegion,
                                Point origin,
                                IntegerInterleavedRaster parent)
{
    super(sampleModel,dataBuffer,aRegion,origin,parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    this.data = stealData(dataBuffer, 0);

    if (sampleModel instanceof SinglePixelPackedSampleModel) {
        SinglePixelPackedSampleModel sppsm =
                (SinglePixelPackedSampleModel)sampleModel;
        this.scanlineStride = sppsm.getScanlineStride();
        this.pixelStride    = 1;
        this.dataOffsets = new int[1];
        this.dataOffsets[0] = dataBuffer.getOffset();
        this.bandOffset = this.dataOffsets[0];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        dataOffsets[0] += xOffset+yOffset*scanlineStride;
        this.numDataElems = sppsm.getNumDataElements();
    } else {
        throw new RasterFormatException("IntegerInterleavedRasters must have"+
                                        " SinglePixelPackedSampleModel");
    }
    verify();
}
 

/**
 * {@inheritDoc}
 */
public final Raster getRaster(int x, int y, int w, int h) {
    // If working raster is big enough, reuse it. Otherwise,
    // build a large enough new one.
    Raster raster = saved;
    if (raster == null ||
        raster.getWidth() < w || raster.getHeight() < h)
    {
        raster = getCachedRaster(model, w, h);
        saved = raster;
    }

    // Access raster internal int array. Because we use a DirectColorModel,
    // we know the DataBuffer is of type DataBufferInt and the SampleModel
    // is SinglePixelPackedSampleModel.
    // Adjust for initial offset in DataBuffer and also for the scanline
    // stride.
    // These calls make the DataBuffer non-acceleratable, but the
    // Raster is never Stable long enough to accelerate anyway...
    DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
    int[] pixels = rasterDB.getData(0);
    int off = rasterDB.getOffset();
    int scanlineStride = ((SinglePixelPackedSampleModel)
                          raster.getSampleModel()).getScanlineStride();
    int adjust = scanlineStride - w;

    fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass

    return raster;
}
 

private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}
 

public void compose(Raster src, Raster dstIn, WritableRaster dstOut) {
    int w = src.getWidth();
    int h = src.getHeight();

    DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer();
    DataBufferInt dstOutDB = (DataBufferInt) dstOut.getDataBuffer();
    int srcRGB[] = srcDB.getBankData()[0];
    int dstOutRGB[] = dstOutDB.getBankData()[0];
    int srcOffset = srcDB.getOffset();
    int dstOutOffset = dstOutDB.getOffset();
    int srcScanStride = ((SinglePixelPackedSampleModel) src.getSampleModel()).getScanlineStride();
    int dstOutScanStride = ((SinglePixelPackedSampleModel) dstOut.getSampleModel()).getScanlineStride();
    int srcAdjust = srcScanStride - w;
    int dstOutAdjust = dstOutScanStride - w;

    int si = srcOffset;
    int doi = dstOutOffset;

    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            dstOutRGB[doi] = srcRGB[si] ^ 0x00ffffff;
            si++;
            doi++;
        }

        si += srcAdjust;
        doi += dstOutAdjust;
    }
}
 

/**
 * {@inheritDoc}
 */
public final Raster getRaster(int x, int y, int w, int h) {
    // If working raster is big enough, reuse it. Otherwise,
    // build a large enough new one.
    Raster raster = saved;
    if (raster == null ||
        raster.getWidth() < w || raster.getHeight() < h)
    {
        raster = getCachedRaster(model, w, h);
        saved = raster;
    }

    // Access raster internal int array. Because we use a DirectColorModel,
    // we know the DataBuffer is of type DataBufferInt and the SampleModel
    // is SinglePixelPackedSampleModel.
    // Adjust for initial offset in DataBuffer and also for the scanline
    // stride.
    // These calls make the DataBuffer non-acceleratable, but the
    // Raster is never Stable long enough to accelerate anyway...
    DataBufferInt rasterDB = (DataBufferInt)raster.getDataBuffer();
    int[] pixels = rasterDB.getData(0);
    int off = rasterDB.getOffset();
    int scanlineStride = ((SinglePixelPackedSampleModel)
                          raster.getSampleModel()).getScanlineStride();
    int adjust = scanlineStride - w;

    fillRaster(pixels, off, adjust, x, y, w, h); // delegate to subclass

    return raster;
}
 

private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}
 

private static void doTest(int dataType) {
    int maxSize = DataBuffer.getDataTypeSize(dataType);
    System.out.println("Type size: " + maxSize);

    int theMask = (int)(1L << (maxSize + 2)) - 1;
    System.out.printf("theMask=%x\n", theMask);

    SinglePixelPackedSampleModel sm =
        new SinglePixelPackedSampleModel(dataType, w, h,
                                         new int[] { theMask });


    int[] sampleSize = sm.getSampleSize();
    for (int s : sampleSize) {
        if (s > maxSize) {
            throw new RuntimeException("Test failed: sample size is too big:" + s);
        }
    }

    System.out.println("Test medialib...");
    DataBuffer buf = createDataBuffer(dataType);

    WritableRaster wr = Raster.createWritableRaster(sm, buf, null);

    op.filter(wr, null);
    System.out.println("Test PASSED.");
}