java.awt.image.DataBufferUShort Java Examples

public static DataBuffer clone(DataBuffer dataBuffer) {
    if (dataBuffer instanceof DataBufferByte) {
        return clone((DataBufferByte) dataBuffer);
    } else if (dataBuffer instanceof DataBufferDouble) {
        return clone((DataBufferDouble) dataBuffer);
    } else if (dataBuffer instanceof DataBufferFloat) {
        return clone((DataBufferFloat) dataBuffer);
    } else if (dataBuffer instanceof DataBufferInt) {
        return clone((DataBufferInt) dataBuffer);
    } else if (dataBuffer instanceof DataBufferShort) {
        return clone((DataBufferShort) dataBuffer);
    } else if (dataBuffer instanceof DataBufferUShort) {
        return clone((DataBufferUShort) dataBuffer);
    } else {
        throw new UnsupportedOperationException("Don't know how to clone " + dataBuffer.getClass().getName());
    }
}
 

/** Extracts pixel data as arrays of unsigned shorts, one per channel. */
public static short[][] getShorts(final WritableRaster r, final int x,
	final int y, final int w, final int h)
{
	if (canUseBankDataDirectly(r, DataBuffer.TYPE_USHORT,
		DataBufferUShort.class) && x == 0 && y == 0 && w == r.getWidth() && h == r
			.getHeight())
	{
		return ((DataBufferUShort) r.getDataBuffer()).getBankData();
	}
	final int c = r.getNumBands();
	final short[][] samples = new short[c][w * h];
	final int[] buf = new int[w * h];
	for (int i = 0; i < c; i++) {
		r.getSamples(x, y, w, h, i, buf);
		for (int j = 0; j < buf.length; j++)
			samples[i][j] = (short) buf[j];
	}
	return samples;
}
 

public static Object getData(final DataBuffer db) {
	if (db instanceof DataBufferByte) {
		return ((DataBufferByte) db).getData();
	} else if (db instanceof DataBufferUShort) {
		return ((DataBufferUShort) db).getData();
	} else if (db instanceof DataBufferShort) {
		return ((DataBufferShort) db).getData();
	} else if (db instanceof DataBufferInt) {
		return ((DataBufferInt) db).getData();
	} else if (db instanceof DataBufferFloat) {
		return ((DataBufferFloat) db).getData();
	} else if (db instanceof DataBufferDouble) {
		return ((DataBufferDouble) db).getData();
	} else {
		throw new RuntimeException("Not found DataBuffer class !");
	}
}
 

/**
 *  Constructs a ShortComponentRaster with the given SampleModel.
 *  The Raster's upper left corner is origin and it is the same
 *  size as the SampleModel.  A DataBuffer large enough to describe the
 *  Raster is automatically created.  SampleModel must be of type
 *  ComponentSampleModel or SinglePixelPackedSampleModel.
 *  @param sampleModel     The SampleModel that specifies the layout.
 *  @param origin          The Point that specified the origin.
 */
public ShortComponentRaster(SampleModel sampleModel, Point origin) {
    this(sampleModel,
         (DataBufferUShort) sampleModel.createDataBuffer(),
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

/**
 * Creates a Writable subRaster given a region of the Raster.  The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffers as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int bandList[]) {

    if (x < this.minX) {
        throw new RasterFormatException("x lies outside raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ShortBandedRaster(sm,
                                 (DataBufferUShort) dataBuffer,
                                 new Rectangle(x0, y0, width, height),
                                 new Point(sampleModelTranslateX+deltaX,
                                           sampleModelTranslateY+deltaY),
                                 this);

}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                         DataBufferUShort dataBuffer,
                         Rectangle aRegion,
                         Point origin,
                         ShortBandedRaster parent)
{
    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dataBuffer.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dataBuffer, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel.
 * The Raster's upper left corner is origin and it is the same
 * size as the SampleModel.  A DataBuffer large enough to describe the
 * Raster is automatically created.  SampleModel must be of type
 * BandedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param origin          The Point that specified the origin.
 */
public ShortBandedRaster(SampleModel sampleModel, Point origin) {
    this(sampleModel,
         (DataBufferUShort) sampleModel.createDataBuffer(),
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

/**
 * Creates a Writable subRaster given a region of the Raster. The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffers as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside the raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside the raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ShortInterleavedRaster(sm,
                                   (DataBufferUShort) dataBuffer,
                                   new Rectangle(x0, y0, width, height),
                                   new Point(sampleModelTranslateX+deltaX,
                                             sampleModelTranslateY+deltaY),
                                   this);
}
 

/**
 * Constructs a ShortInterleavedRaster with the given SampleModel
 * and DataBuffer.  The Raster's upper left corner is origin and
 * it is the same sizes the SampleModel.  The DataBuffer is not
 * initialized and must be a DataBufferUShort compatible with SampleModel.
 * SampleModel must be of type PixelInterleavedSampleModel or
 * SinglePixelPackedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferUShort that contains the image data.
 * @param origin          The Point that specifies the origin.
 */
public ShortInterleavedRaster(SampleModel sampleModel,
                              DataBufferUShort dataBuffer,
                              Point origin)
{
    this(sampleModel,
         dataBuffer,
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

/**
 *  Constructs a ShortInterleavedRaster with the given SampleModel.
 *  The Raster's upper left corner is origin and it is the same
 *  size as the SampleModel.  A DataBuffer large enough to describe the
 *  Raster is automatically created.  SampleModel must be of type
 *  PixelInterleavedSampleModel or SinglePixelPackedSampleModel.
 *  @param sampleModel     The SampleModel that specifies the layout.
 *  @param origin          The Point that specified the origin.
 */
public ShortInterleavedRaster(SampleModel sampleModel, Point origin) {
    this(sampleModel,
         (DataBufferUShort) sampleModel.createDataBuffer(),
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

/**
 * Creates a Writable subRaster given a region of the Raster. The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffers as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside the raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside the raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ShortComponentRaster(sm,
                                   (DataBufferUShort) dataBuffer,
                                   new Rectangle(x0, y0, width, height),
                                   new Point(sampleModelTranslateX+deltaX,
                                             sampleModelTranslateY+deltaY),
                                   this);
}
 

/**
 * Constructs a ShortComponentRaster with the given SampleModel
 * and DataBuffer.  The Raster's upper left corner is origin and
 * it is the same sizes the SampleModel.  The DataBuffer is not
 * initialized and must be a DataBufferUShort compatible with SampleModel.
 * SampleModel must be of type ComponentSampleModel or
 * SinglePixelPackedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferUShort that contains the image data.
 * @param origin          The Point that specifies the origin.
 */
public ShortComponentRaster(SampleModel sampleModel,
                            DataBufferUShort dataBuffer,
                            Point origin)
{
    this(sampleModel,
         dataBuffer,
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Creates a Writable subRaster given a region of the Raster.  The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffers as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {

    if (x < this.minX) {
        throw new RasterFormatException("x lies outside raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ShortBandedRaster(sm,
                                 (DataBufferUShort) dataBuffer,
                                 new Rectangle(x0, y0, width, height),
                                 new Point(sampleModelTranslateX+deltaX,
                                           sampleModelTranslateY+deltaY),
                                 this);

}
 

/**
 *  Constructs a ShortComponentRaster with the given SampleModel.
 *  The Raster's upper left corner is origin and it is the same
 *  size as the SampleModel.  A DataBuffer large enough to describe the
 *  Raster is automatically created.  SampleModel must be of type
 *  ComponentSampleModel or SinglePixelPackedSampleModel.
 *  @param sampleModel     The SampleModel that specifies the layout.
 *  @param origin          The Point that specified the origin.
 */
public ShortComponentRaster(SampleModel sampleModel, Point origin) {
    this(sampleModel,
         (DataBufferUShort) sampleModel.createDataBuffer(),
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 

@Override
public DataBuffer convert(FieldAccessor fa, Instance instance) throws FieldAccessor.InvalidFieldException {
    int size = fa.getInt(instance, "size");                        // NOI18N
    int[] offsets = fa.getIntArray(instance, "offsets", false);      // NOI18N
    short[][] bankdata = fa.getShortArray2(instance, "bankdata", false); // NOI18N
    return new DataBufferUShort(bankdata, size, offsets);
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

private static void testShortRaster() {
    WritableRaster srcRaster, dstRaster;

    short[] pixels =
        { 11, 12, 13, 14,
          21, 22, 23, 24,
          31, 32, 33, 34,
          41, 42, 43, 44 };

    DataBuffer db = new DataBufferUShort(pixels, pixels.length);
    srcRaster =
        Raster.createInterleavedRaster(db, 4, 4, 4, 1, offsets, null);
    srcRaster = srcRaster.createWritableChild(1, 1, 3, 3, 0, 0, null);
    dstRaster = rop.filter(srcRaster, null);
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel
 * and DataBuffer.  The Raster's upper left corner is origin and
 * it is the same size as the SampleModel.  The DataBuffer is not
 * initialized and must be a DataBufferUShort compatible with SampleModel.
 * SampleModel must be of type BandedSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param dataBuffer      The DataBufferUShort that contains the image data.
 * @param origin          The Point that specifies the origin.
 */
public ShortBandedRaster(SampleModel sampleModel,
                         DataBufferUShort dataBuffer,
                         Point origin)
{
    this(sampleModel, dataBuffer,
         new Rectangle(origin.x, origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin, null);
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

@Override
public DataBuffer convert(FieldAccessor fa, Instance instance) throws FieldAccessor.InvalidFieldException {
    int size = fa.getInt(instance, "size");                        // NOI18N
    int[] offsets = fa.getIntArray(instance, "offsets", false);      // NOI18N
    short[][] bankdata = fa.getShortArray2(instance, "bankdata", false); // NOI18N
    return new DataBufferUShort(bankdata, size, offsets);
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

/**
 * Constructs a ShortBandedRaster with the given SampleModel,
 * DataBuffer, and parent.  DataBuffer must be a DataBufferUShort and
 * SampleModel must be of type BandedSampleModel.
 * When translated into the base Raster's
 * coordinate system, aRegion must be contained by the base Raster.
 * Origin is the coordinate 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 DataBufferUShort 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 ShortBandedRaster(SampleModel sampleModel,
                            DataBuffer dataBuffer,
                            Rectangle aRegion,
                            Point origin,
                            ShortBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;
    if (!(dataBuffer instanceof DataBufferUShort)) {
       throw new RasterFormatException("ShortBandedRaster must have " +
            "ushort DataBuffers");
    }
    DataBufferUShort dbus = (DataBufferUShort)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbus.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new short[bankIndices.length][];
        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        for (int i = 0; i < bankIndices.length; i++) {
           data[i] = stealData(dbus, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ShortBandedRasters must have "+
            "BandedSampleModels");
    }
    verify();
}
 

public static void WritePNGfile(String imagename, short[] linear, int width, int height) {
    BufferedImage buf = new BufferedImage(width, height, BufferedImage.TYPE_USHORT_555_RGB);
    DataBufferUShort sh = (DataBufferUShort) buf.getRaster().getDataBuffer();
    short[] shd = sh.getData();
    System.arraycopy(linear, 0, shd, 0, Math.min(linear.length, shd.length));
    try {
        ImageIO.write(buf, "PNG", new File(imagename));
    } catch (IOException e) {
        e.printStackTrace();
    }
}
 

public DataBuffer newBuffer(DoomScreen screen) {
    final V buffer = screens.get(screen);
    if (buffer.getClass() == int[].class) {
        return new DataBufferInt((int[]) buffer, ((int[]) buffer).length);
    } else if (buffer.getClass() == short[].class) {
        return new DataBufferUShort((short[]) buffer, ((short[]) buffer).length);
    } else if (buffer.getClass() == byte[].class) {
        return new DataBufferByte((byte[]) buffer, ((byte[]) buffer).length);
    }
    
    throw new UnsupportedOperationException(String.format("SoftwareVideoRenderer does not support %s buffers", buffer.getClass()));
}
 

private Object extractImageData(BufferedImage img){
    DataBuffer buf = img.getRaster().getDataBuffer();
    switch (buf.getDataType()){
        case DataBuffer.TYPE_BYTE:
            DataBufferByte byteBuf = (DataBufferByte) buf;
            return byteBuf.getData();
        case DataBuffer.TYPE_USHORT:
            DataBufferUShort shortBuf = (DataBufferUShort) buf;
            return shortBuf.getData();
    }
    return null;
}
 

/**
 * Sets the data storage to the given value.
 *
 * @param _griddata new data storage
 */
public void setGridData(GridData _griddata) {
  griddata = _griddata;
  if(griddata==null) {
    return;
  }
  int nx = griddata.getNx();
  int ny = griddata.getNy();
  int size = nx*ny;
  Grid newgrid = new Grid(nx, ny, xmin, xmax, ymin, ymax);
  if(grid!=null) {
    newgrid.setColor(grid.getColor());
    newgrid.setVisible(grid.isVisible());
  } else {
    newgrid.setColor(Color.pink);
  }
  grid = newgrid;
  ComponentColorModel ccm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_GRAY), new int[] {16}, false, // hasAlpha
    false, // alspha premultiplied
      Transparency.OPAQUE, DataBuffer.TYPE_USHORT);
  ComponentSampleModel csm = new ComponentSampleModel(DataBuffer.TYPE_USHORT, nx, ny, 1, nx, new int[] {0});
  bwData = new short[size];
  DataBuffer databuffer = new DataBufferUShort(bwData, size);
  WritableRaster raster = Raster.createWritableRaster(csm, databuffer, new Point(0, 0));
  image = new BufferedImage(ccm, raster, true, null);
  xmin = griddata.getLeft();
  xmax = griddata.getRight();
  ymin = griddata.getBottom();
  ymax = griddata.getTop();
}