java.awt.image.DataBufferByte源码实例Demo

类java.awt.image.DataBufferByte源码实例Demo

下面列出了java.awt.image.DataBufferByte 类实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: kk-anti-reptile   文件: GifEncoder.java
/**
 * Extracts image pixels into byte array "pixels"
 */
protected void getImagePixels() {
    int w = image.getWidth();
    int h = image.getHeight();
    int type = image.getType();
    if ((w != width)
            || (h != height)
            || (type != BufferedImage.TYPE_3BYTE_BGR)) {
        // create new image with right size/format
        BufferedImage temp =
                new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D g = temp.createGraphics();
        g.drawImage(image, 0, 0, null);
        image = temp;
    }
    pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
}
 
源代码2 项目: tess4j   文件: ImageIOHelper.java
/**
 * Converts <code>BufferedImage</code> to <code>ByteBuffer</code>.
 *
 * @param bi Input image
 * @return pixel data
 */
public static ByteBuffer convertImageData(BufferedImage bi) {
    DataBuffer buff = bi.getRaster().getDataBuffer();
    // ClassCastException thrown if buff not instanceof DataBufferByte because raster data is not necessarily bytes.
    // Convert the original buffered image to grayscale.
    if (!(buff instanceof DataBufferByte)) {
        BufferedImage grayscaleImage = ImageHelper.convertImageToGrayscale(bi);
        buff = grayscaleImage.getRaster().getDataBuffer();
    }
    byte[] pixelData = ((DataBufferByte) buff).getData();
    //        return ByteBuffer.wrap(pixelData);
    ByteBuffer buf = ByteBuffer.allocateDirect(pixelData.length);
    buf.order(ByteOrder.nativeOrder());
    buf.put(pixelData);
    ((Buffer) buf).flip();
    return buf;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
源代码5 项目: jdk8u_jdk   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(final int type) {
    final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(final int type) {
    final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI() {
    final BufferedImage bi = new BufferedImage(500, 200, TYPE_INT_ARGB);
    final DataBuffer db = bi.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}
 
源代码11 项目: deeplearning4j   文件: ImageLoader.java
/**
 * Load a rastered image from file
 *
 * @param file the file to load
 * @return the rastered image
 * @throws IOException
 */
public int[][][] fromFileMultipleChannels(File file) throws IOException {
    BufferedImage image = ImageIO.read(file);
    image = scalingIfNeed(image, channels > 3);

    int w = image.getWidth(), h = image.getHeight();
    int bands = image.getSampleModel().getNumBands();
    int[][][] ret = new int[(int) Math.min(channels, Integer.MAX_VALUE)]
            [(int) Math.min(h, Integer.MAX_VALUE)]
            [(int) Math.min(w, Integer.MAX_VALUE)];
    byte[] pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();

    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            for (int k = 0; k < channels; k++) {
                if (k >= bands)
                    break;
                ret[k][i][j] = pixels[(int) Math.min(channels * w * i + channels * j + k, Integer.MAX_VALUE)];
            }
        }
    }
    return ret;
}
 
源代码12 项目: openjdk-8   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
源代码13 项目: Pixie   文件: Utils.java
/**
 * Flip vertically the image
 *
 * @param image the image containing the pixel data which has to be flipped
 * vertically. This function will alter the bytes of input image, so that
 * after this function the input image will contain the flipped information
 */
public static void flipVerticallyImage(BufferedImage image) {
    byte[] bgr = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
    byte[] flipped = new byte[bgr.length];
    final int multiplier = 3; // BGR

    for (int j = 0; j < image.getHeight(); j++) {
        for (int i = 0; i < image.getWidth(); i++) {
            flipped[((image.getHeight() - 1) - j) * (image.getWidth() * multiplier) + (i * multiplier + 0)] = bgr[(j * (image.getWidth() * multiplier)) + (i * multiplier + 0)]; // R
            flipped[((image.getHeight() - 1) - j) * (image.getWidth() * multiplier) + (i * multiplier + 1)] = bgr[(j * (image.getWidth() * multiplier)) + (i * multiplier + 1)]; // G
            flipped[((image.getHeight() - 1) - j) * (image.getWidth() * multiplier) + (i * multiplier + 2)] = bgr[(j * (image.getWidth() * multiplier)) + (i * multiplier + 2)]; // B
        }
    }

    System.arraycopy(flipped, 0, bgr, 0, image.getWidth() * image.getHeight() * multiplier);
}
 
private static BufferedImage makeUnmanagedBI() {
    final BufferedImage bi = new BufferedImage(500, 200, TYPE_INT_ARGB);
    final DataBuffer db = bi.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}
 
源代码15 项目: BlindWatermark   文件: Utils.java
public static Mat drawNonAscii(String watermark) {
    Font font = new Font("Default", Font.PLAIN, 64);
    FontMetrics metrics = new Canvas().getFontMetrics(font);
    int width = metrics.stringWidth(watermark);
    int height = metrics.getHeight();
    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
    Graphics2D graphics = bufferedImage.createGraphics();
    graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
    graphics.setFont(font);
    graphics.setColor(Color.WHITE);
    graphics.drawString(watermark, 0, metrics.getAscent());
    graphics.dispose();
    byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
    Mat res = new Mat(bufferedImage.getHeight(), bufferedImage.getWidth(), CV_8U);
    res.put(0, 0, pixels);
    return res;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
源代码17 项目: sciview   文件: SciView.java
/**
 * Take a screenshot and return it as an Img
 * @return an Img of type UnsignedByteType
 */
public Img<UnsignedByteType> getScreenshot() {
    RenderedImage screenshot = getSceneryRenderer().requestScreenshot();

    BufferedImage image = new BufferedImage(screenshot.getWidth(), screenshot.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
    byte[] imgData = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
    System.arraycopy(screenshot.getData(), 0, imgData, 0, screenshot.getData().length);

    Img<UnsignedByteType> img = null;
    File tmpFile = null;
    try {
        tmpFile = File.createTempFile("sciview-", "-tmp.png");
        ImageIO.write(image, "png", tmpFile);
        img = (Img<UnsignedByteType>)io.open(tmpFile.getAbsolutePath());
        tmpFile.delete();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return img;
}
 
源代码18 项目: util.commons   文件: AnimatedGifEncoder.java
/**
 * Extracts image pixels into byte array "pixels"
 */
protected void getImagePixels() {
    int w = image.getWidth();
    int h = image.getHeight();
    int type = image.getType();
    if ((w != width) || (h != height)
            || (type != BufferedImage.TYPE_3BYTE_BGR)) {
        // create new image with right size/format
        BufferedImage temp = new BufferedImage(width, height,
                BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D g = temp.createGraphics();
        g.drawImage(image, 0, 0, null);
        image = temp;
    }
    pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
}
 
源代码19 项目: openjdk-8-source   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
源代码20 项目: scifio   文件: AWTImageTools.java
/** Extracts pixel data as arrays of unsigned bytes, one per channel. */
public static byte[][] getBytes(final WritableRaster r, final int x,
	final int y, final int w, final int h)
{
	if (canUseBankDataDirectly(r, DataBuffer.TYPE_BYTE, DataBufferByte.class) &&
		x == 0 && y == 0 && w == r.getWidth() && h == r.getHeight())
	{
		return ((DataBufferByte) r.getDataBuffer()).getBankData();
	}
	final int c = r.getNumBands();
	final byte[][] samples = new byte[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] = (byte) buf[j];
	}
	return samples;
}
 
源代码21 项目: openjdk-jdk9   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
源代码22 项目: openjdk-jdk8u   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
源代码23 项目: OneBlog   文件: GifEncoder.java
/**
 * Extracts image pixels into byte array "pixels"
 */
protected void getImagePixels() {
    int w = image.getWidth();
    int h = image.getHeight();
    int type = image.getType();
    if ((w != width)
            || (h != height)
            || (type != BufferedImage.TYPE_3BYTE_BGR)) {
        // create new image with right size/format
        BufferedImage temp =
                new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
        Graphics2D g = temp.createGraphics();
        g.drawImage(image, 0, 0, null);
        image = temp;
    }
    pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
}
 
源代码24 项目: jdk8u-jdk   文件: ImageTests.java
public Image makeImage(TestEnvironment env, int w, int h) {
    BufferedImage img = new BufferedImage(w, h, type);
    if (unmanaged) {
        DataBuffer db = img.getRaster().getDataBuffer();
        if (db instanceof DataBufferInt) {
            ((DataBufferInt)db).getData();
        } else if (db instanceof DataBufferShort) {
            ((DataBufferShort)db).getData();
        } else if (db instanceof DataBufferByte) {
            ((DataBufferByte)db).getData();
        } else {
            try {
                img.setAccelerationPriority(0.0f);
            } catch (Throwable e) {}
        }
    }
    return img;
}
 
private static BufferedImage makeUnmanagedBI(final int type) {
    final BufferedImage bi = new BufferedImage(511, 255, type);
    final DataBuffer db = bi.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}
 
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
                                             int type) {
    BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
    Graphics2D g2d = img.createGraphics();
    g2d.setColor(RGB);
    g2d.fillRect(0, 0, SIZE, SIZE);
    g2d.dispose();
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}
 
源代码27 项目: osp   文件: ByteRaster.java
/**
 * Constructs a byte raster with the given size.
 *
 * Unsigned cell values are 0 to 255. Signed cell values are -128 to 127.
 *
 * @param _nx the number of values in x direction
 * @param _ny the number of values in y direction
 */
public ByteRaster(int _nx, int _ny) {
  ny = _ny;
  nx = _nx;
  dimension = new Dimension(nx-1, ny-1); // decrease by one to fit inside axes
  int len = nx*ny;
  packedData = new byte[len];
  DataBuffer databuffer = new DataBufferByte(packedData, len);
  raster = Raster.createPackedRaster(databuffer, nx, ny, 8, null);
  colorModel = createColorModel();
  image = new BufferedImage(colorModel, raster, false, null);
  xmin = 0;
  xmax = nx;
  ymin = 0;
  ymax = ny;
}
 
private static BufferedImage getBufferedImage(int sw) {
    final BufferedImage bi = new BufferedImage(sw, sw, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = bi.createGraphics();
    g2d.setColor(Color.RED);
    g2d.fillRect(0, 0, sw, sw);
    g2d.dispose();

    final DataBuffer db = bi.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}
 
源代码29 项目: Bytecoder   文件: ByteComponentRaster.java
/**
 * Constructs a ByteComponentRaster 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
 * SinglePixelPackedSampleModel or ComponentSampleModel.
 * @param sampleModel     The SampleModel that specifies the layout.
 * @param origin          The Point that specified the origin.
 */
public ByteComponentRaster(SampleModel sampleModel, Point origin) {
    this(sampleModel,
         (DataBufferByte) sampleModel.createDataBuffer(),
         new Rectangle(origin.x,
                       origin.y,
                       sampleModel.getWidth(),
                       sampleModel.getHeight()),
         origin,
         null);
}
 
源代码30 项目: dragonwell8_jdk   文件: ByteBandedRaster.java
/**
 *  Constructs a ByteBandedRaster with the given sampleModel,
 *  DataBuffer, and parent. DataBuffer must be a DataBufferShort 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 DataBufferShort 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 ByteBandedRaster(SampleModel sampleModel,
                        DataBuffer dataBuffer,
                        Rectangle aRegion,
                        Point origin,
                        ByteBandedRaster parent) {

    super(sampleModel, dataBuffer, aRegion, origin, parent);
    this.maxX = minX + width;
    this.maxY = minY + height;

    if (!(dataBuffer instanceof DataBufferByte)) {
       throw new RasterFormatException("ByteBandedRaster must have" +
            "byte DataBuffers");
    }
    DataBufferByte dbb = (DataBufferByte)dataBuffer;

    if (sampleModel instanceof BandedSampleModel) {
        BandedSampleModel bsm = (BandedSampleModel)sampleModel;
        this.scanlineStride = bsm.getScanlineStride();
        int bankIndices[] = bsm.getBankIndices();
        int bandOffsets[] = bsm.getBandOffsets();
        int dOffsets[] = dbb.getOffsets();
        dataOffsets = new int[bankIndices.length];
        data = new byte[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(dbb, bankIndices[i]);
           dataOffsets[i] = dOffsets[bankIndices[i]] +
               xOffset + yOffset*scanlineStride + bandOffsets[i];
        }
    } else {
        throw new RasterFormatException("ByteBandedRasters must have"+
            "BandedSampleModels");
    }
    verify();
}
 
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