Example usage for java.awt.image DataBuffer TYPE

Introduction

In this page you can find the example usage for java.awt.image DataBuffer TYPE_USHORT.

Prototype

int TYPE_USHORT

To view the source code for java.awt.image DataBuffer TYPE_USHORT.

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Tag for unsigned short data.

Usage

From source file:com.embedler.moon.jtxt2img.mmap.MappedFileBuffer.java

public static DataBuffer create(final int type, final int size, final int numBanks) {
    switch (type) {
    case DataBuffer.TYPE_BYTE:
        return new DataBufferByte(size, numBanks);
    case DataBuffer.TYPE_USHORT:
        return new DataBufferUShort(size, numBanks);
    case DataBuffer.TYPE_INT:
        return new DataBufferInt(size, numBanks);
    default://w w w.  j  ava2  s . com
        throw new JTxt2ImgIoRuntimeException("Unsupported data type: " + type);
    }
}

From source file:com.embedler.moon.jtxt2img.mmap.MappedFileBuffer.java

private MappedFileBuffer(final int type, final int size, final int numBanks) {
    super(type, size, numBanks);

    Validate.isTrue(size >= 0, "Integer overflow for size: %d", size);
    Validate.isTrue(numBanks >= 0, "Number of banks must be positive", numBanks);

    int componentSize = DataBuffer.getDataTypeSize(type) / 8;

    try {/*from  ww w  .jav  a2 s  . co m*/
        tempFile = File.createTempFile(String.format("%s-", getClass().getSimpleName().toLowerCase()), ".tmp");
        try (RandomAccessFile raf = new RandomAccessFile(tempFile, "rw");
                FileChannel channel = raf.getChannel()) {

            long length = ((long) size) * componentSize * numBanks;
            raf.setLength(length);

            byteBuffer = channel.map(FileChannel.MapMode.READ_WRITE, 0, length);

            switch (type) {
            case DataBuffer.TYPE_BYTE:
                buffer = byteBuffer;
                break;
            case DataBuffer.TYPE_USHORT:
                buffer = byteBuffer.asShortBuffer();
                break;
            case DataBuffer.TYPE_INT:
                buffer = byteBuffer.asIntBuffer();
                break;
            default:
                throw new IllegalArgumentException("Unsupported data type: " + type);
            }
        } finally {
            if (!tempFile.delete()) {
                tempFile.deleteOnExit();
            }
        }
    } catch (Exception e) {
        throw new JTxt2ImgIoRuntimeException(e);
    }
}

From source file:com.bc.ceres.jai.opimage.ReinterpretOpImage.java

private void rescale(Raster sourceRaster, WritableRaster targetRaster, Rectangle targetRectangle) {
    final int sourceDataType = sourceRaster.getSampleModel().getDataType();
    final int targetDataType = targetRaster.getSampleModel().getDataType();
    final PixelAccessor sourceAcc = new PixelAccessor(getSourceImage(0));
    final PixelAccessor targetAcc = new PixelAccessor(this);
    final UnpackedImageData sourcePixels;
    final UnpackedImageData targetPixels;

    sourcePixels = sourceAcc.getPixels(sourceRaster, targetRectangle, sourceDataType, false);
    targetPixels = targetAcc.getPixels(targetRaster, targetRectangle, targetDataType, true);

    switch (sourceDataType) {
    case DataBuffer.TYPE_BYTE:
        if (interpretationType == ReinterpretDescriptor.INTERPRET_BYTE_SIGNED) {
            rescaleSByte(sourcePixels, targetPixels, targetRectangle);
        } else {/*ww  w .j  a v a2s.  c om*/
            rescaleByte(sourcePixels, targetPixels, targetRectangle);
        }
        break;
    case DataBuffer.TYPE_USHORT:
        rescaleUShort(sourcePixels, targetPixels, targetRectangle);
        break;
    case DataBuffer.TYPE_SHORT:
        rescaleShort(sourcePixels, targetPixels, targetRectangle);
        break;
    case DataBuffer.TYPE_INT:
        if (interpretationType == ReinterpretDescriptor.INTERPRET_INT_UNSIGNED) {
            rescaleUInt(sourcePixels, targetPixels, targetRectangle);
        } else {
            rescaleInt(sourcePixels, targetPixels, targetRectangle);
        }
        break;
    case DataBuffer.TYPE_FLOAT:
        rescaleFloat(sourcePixels, targetPixels, targetRectangle);
        break;
    case DataBuffer.TYPE_DOUBLE:
        rescaleDouble(sourcePixels, targetPixels, targetRectangle);
        break;
    }

    targetAcc.setPixels(targetPixels);
}

From source file:GraphicsUtil.java

/**
 * Creates a new raster that has a <b>copy</b> of the data in
 * <tt>ras</tt>.  This is highly optimized for speed.  There is
 * no provision for changing any aspect of the SampleModel.
 * However you can specify a new location for the returned raster.
 *
 * This method should be used when you need to change the contents
 * of a Raster that you do not "own" (ie the result of a
 * <tt>getData</tt> call)./* ww w .j a  va 2 s.c  om*/
 *
 * @param ras The Raster to copy.
 *
 * @param minX The x location for the upper left corner of the
 *             returned WritableRaster.
 *
 * @param minY The y location for the upper left corner of the
 *             returned WritableRaster.
 *
 * @return    A writable copy of <tt>ras</tt>
 */
public static WritableRaster copyRaster(Raster ras, int minX, int minY) {
    WritableRaster ret = Raster.createWritableRaster(ras.getSampleModel(), new Point(0, 0));
    ret = ret.createWritableChild(ras.getMinX() - ras.getSampleModelTranslateX(),
            ras.getMinY() - ras.getSampleModelTranslateY(), ras.getWidth(), ras.getHeight(), minX, minY, null);

    // Use System.arraycopy to copy the data between the two...
    DataBuffer srcDB = ras.getDataBuffer();
    DataBuffer retDB = ret.getDataBuffer();
    if (srcDB.getDataType() != retDB.getDataType()) {
        throw new IllegalArgumentException("New DataBuffer doesn't match original");
    }
    int len = srcDB.getSize();
    int banks = srcDB.getNumBanks();
    int[] offsets = srcDB.getOffsets();
    for (int b = 0; b < banks; b++) {
        switch (srcDB.getDataType()) {
        case DataBuffer.TYPE_BYTE: {
            DataBufferByte srcDBT = (DataBufferByte) srcDB;
            DataBufferByte retDBT = (DataBufferByte) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
            break;
        }
        case DataBuffer.TYPE_INT: {
            DataBufferInt srcDBT = (DataBufferInt) srcDB;
            DataBufferInt retDBT = (DataBufferInt) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
            break;
        }
        case DataBuffer.TYPE_SHORT: {
            DataBufferShort srcDBT = (DataBufferShort) srcDB;
            DataBufferShort retDBT = (DataBufferShort) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
            break;
        }
        case DataBuffer.TYPE_USHORT: {
            DataBufferUShort srcDBT = (DataBufferUShort) srcDB;
            DataBufferUShort retDBT = (DataBufferUShort) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
            break;
        }
        }
    }

    return ret;
}

From source file:GraphicsUtil.java

/**
 * Creates a new raster that has a <b>copy</b> of the data in
 * <tt>ras</tt>.  This is highly optimized for speed.  There is
 * no provision for changing any aspect of the SampleModel.
 * However you can specify a new location for the returned raster.
 *
 * This method should be used when you need to change the contents
 * of a Raster that you do not "own" (ie the result of a
 * <tt>getData</tt> call)./*from  ww  w  .  j a  va2s  .co  m*/
 *
 * @param ras The Raster to copy.
 *
 * @param minX The x location for the upper left corner of the
 *             returned WritableRaster.
 *
 * @param minY The y location for the upper left corner of the
 *             returned WritableRaster.
 *
 * @return    A writable copy of <tt>ras</tt>
 */
public static WritableRaster copyRaster(Raster ras, int minX, int minY) {
    WritableRaster ret = Raster.createWritableRaster(ras.getSampleModel(), new Point(0, 0));
    ret = ret.createWritableChild(ras.getMinX() - ras.getSampleModelTranslateX(),
            ras.getMinY() - ras.getSampleModelTranslateY(), ras.getWidth(), ras.getHeight(), minX, minY, null);

    // Use System.arraycopy to copy the data between the two...
    DataBuffer srcDB = ras.getDataBuffer();
    DataBuffer retDB = ret.getDataBuffer();
    if (srcDB.getDataType() != retDB.getDataType()) {
        throw new IllegalArgumentException("New DataBuffer doesn't match original");
    }
    int len = srcDB.getSize();
    int banks = srcDB.getNumBanks();
    int[] offsets = srcDB.getOffsets();
    for (int b = 0; b < banks; b++) {
        switch (srcDB.getDataType()) {
        case DataBuffer.TYPE_BYTE: {
            DataBufferByte srcDBT = (DataBufferByte) srcDB;
            DataBufferByte retDBT = (DataBufferByte) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
        }
        case DataBuffer.TYPE_INT: {
            DataBufferInt srcDBT = (DataBufferInt) srcDB;
            DataBufferInt retDBT = (DataBufferInt) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
        }
        case DataBuffer.TYPE_SHORT: {
            DataBufferShort srcDBT = (DataBufferShort) srcDB;
            DataBufferShort retDBT = (DataBufferShort) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
        }
        case DataBuffer.TYPE_USHORT: {
            DataBufferUShort srcDBT = (DataBufferUShort) srcDB;
            DataBufferUShort retDBT = (DataBufferUShort) retDB;
            System.arraycopy(srcDBT.getData(b), offsets[b], retDBT.getData(b), offsets[b], len);
        }
        }
    }

    return ret;
}

From source file:it.geosolutions.imageio.plugins.nitronitf.ImageIOUtils.java

/**
 * Returns a generic pixel interleaved WritableRaster
 * //from ww  w.j  av a2  s.  c o  m
 * @param numElems
 * @param numLines
 * @param bandOffsets
 * @param dataType
 * @return
 */
public static WritableRaster makeGenericPixelInterleavedWritableRaster(int numElems, int numLines, int numBands,
        int dataType) {
    int[] bandOffsets = new int[numBands];
    for (int i = 0; i < numBands; ++i)
        bandOffsets[i] = i;

    DataBuffer d = null;
    if (dataType == DataBuffer.TYPE_BYTE)
        d = new DataBufferByte(numElems * numLines * numBands);
    else if (dataType == DataBuffer.TYPE_SHORT)
        d = new DataBufferShort(numElems * numLines * numBands);
    else if (dataType == DataBuffer.TYPE_USHORT)
        d = new DataBufferUShort(numElems * numLines * numBands);
    else if (dataType == DataBuffer.TYPE_FLOAT)
        d = new DataBufferFloat(numElems * numLines * numBands);
    else if (dataType == DataBuffer.TYPE_DOUBLE)
        d = new DataBufferDouble(numElems * numLines * numBands);
    else
        throw new IllegalArgumentException("Invalid datatype: " + dataType);

    PixelInterleavedSampleModel pism = new PixelInterleavedSampleModel(dataType, numElems, numLines,
            bandOffsets.length, numElems * bandOffsets.length, bandOffsets);

    SunWritableRaster ras = new SunWritableRaster(pism, d, new Point(0, 0));
    return ras;
}

From source file:omr.jai.TestImage3.java

public static void print(PlanarImage pi) {
        // Show the image dimensions and coordinates.
        System.out.print("Image Dimensions: ");
        System.out.print(pi.getWidth() + "x" + pi.getHeight() + " pixels");

        // Remember getMaxX and getMaxY return the coordinate of the next point!
        System.out.println(" (from " + pi.getMinX() + "," + pi.getMinY() + " to " + (pi.getMaxX() - 1) + ","
                + (pi.getMaxY() - 1) + ")");
        if ((pi.getNumXTiles() != 1) || (pi.getNumYTiles() != 1)) { // Is it tiled?
            // Tiles number, dimensions and coordinates.
            System.out.print("Tiles: ");
            System.out.print(pi.getTileWidth() + "x" + pi.getTileHeight() + " pixels" + " (" + pi.getNumXTiles()
                    + "x" + pi.getNumYTiles() + " tiles)");
            System.out.print(" (from " + pi.getMinTileX() + "," + pi.getMinTileY() + " to " + pi.getMaxTileX() + ","
                    + pi.getMaxTileY() + ")");
            System.out.println(" offset: " + pi.getTileGridXOffset() + "," + pi.getTileGridXOffset());
        }/* w  ww  .j  a  v  a2 s  .  c  o m*/

        // Display info about the SampleModel of the image.
        SampleModel sm = pi.getSampleModel();
        System.out.println("Number of bands: " + sm.getNumBands());
        System.out.print("Data type: ");
        switch (sm.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            System.out.println("byte");
            break;
        case DataBuffer.TYPE_SHORT:
            System.out.println("short");
            break;
        case DataBuffer.TYPE_USHORT:
            System.out.println("ushort");
            break;
        case DataBuffer.TYPE_INT:
            System.out.println("int");
            break;
        case DataBuffer.TYPE_FLOAT:
            System.out.println("float");
            break;
        case DataBuffer.TYPE_DOUBLE:
            System.out.println("double");
            break;
        case DataBuffer.TYPE_UNDEFINED:
            System.out.println("undefined");
            break;
        }

        // Display info about the ColorModel of the image.
        ColorModel cm = pi.getColorModel();
        if (cm != null) {
            System.out.println("Number of color components: " + cm.getNumComponents());
            System.out.println("Bits per pixel: " + cm.getPixelSize());
            System.out.print("Image Transparency: ");
            switch (cm.getTransparency()) {
            case Transparency.OPAQUE:
                System.out.println("opaque");
                break;
            case Transparency.BITMASK:
                System.out.println("bitmask");
                break;
            case Transparency.TRANSLUCENT:
                System.out.println("translucent");
                break;
            }
        } else
            System.out.println("No color model.");
    }

From source file:it.geosolutions.imageio.plugins.nitronitf.ImageIOUtils.java

/**
 * Utility method for creating a BufferedImage from a source raster Currently only Float->Byte and Byte->Byte are supported. Will throw an
 * {@link UnsupportedOperationException} if the conversion is not supported.
 * //from  www.j  a v  a 2  s . c o  m
 * @param raster
 * @param imageType
 * @return
 */
public static BufferedImage rasterToBufferedImage(Raster raster, ImageTypeSpecifier imageType) {
    if (imageType == null) {
        if (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE)
            imageType = ImageTypeSpecifier.createGrayscale(8, DataBuffer.TYPE_BYTE, false);
        else
            throw new IllegalArgumentException("unable to dynamically determine the imageType");
    }
    // create a new buffered image, for display
    BufferedImage bufImage = imageType.createBufferedImage(raster.getWidth(), raster.getHeight());

    if (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_USHORT
            && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE) {
        // convert short pixels to bytes
        short[] shortData = ((DataBufferUShort) raster.getDataBuffer()).getData();
        byte[] byteData = ((DataBufferByte) bufImage.getWritableTile(0, 0).getDataBuffer()).getData();
        ImageIOUtils.shortToByteBuffer(shortData, byteData, 1, raster.getNumBands());
    } else if (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_FLOAT
            && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE) {
        // convert float pixels to bytes
        float[] floatData = ((DataBufferFloat) raster.getDataBuffer()).getData();
        byte[] byteData = ((DataBufferByte) bufImage.getWritableTile(0, 0).getDataBuffer()).getData();
        ImageIOUtils.floatToByteBuffer(floatData, byteData, 1, raster.getNumBands());
    } else if (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_DOUBLE
            && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE) {
        // convert double pixels to bytes
        double[] doubleData = ((DataBufferDouble) raster.getDataBuffer()).getData();
        byte[] byteData = ((DataBufferByte) bufImage.getWritableTile(0, 0).getDataBuffer()).getData();
        ImageIOUtils.doubleToByteBuffer(doubleData, byteData, 1, raster.getNumBands());
    } else if ((raster.getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE
            && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_BYTE)
            || (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_USHORT
                    && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_USHORT)
            || (raster.getDataBuffer().getDataType() == DataBuffer.TYPE_SHORT
                    && bufImage.getRaster().getDataBuffer().getDataType() == DataBuffer.TYPE_SHORT)) {
        bufImage.setData(raster);
    } else {
        throw new UnsupportedOperationException(
                "Unable to convert raster type to bufferedImage type: " + raster.getDataBuffer().getDataType()
                        + " ==> " + bufImage.getRaster().getDataBuffer().getDataType());
    }
    return bufImage;
}

From source file:it.geosolutions.jaiext.range.RangeTest.java

private void checkRangeConversion(Range range) {
    checkRangeConversion(range, DataBuffer.TYPE_BYTE);
    checkRangeConversion(range, DataBuffer.TYPE_DOUBLE);
    checkRangeConversion(range, DataBuffer.TYPE_FLOAT);
    checkRangeConversion(range, DataBuffer.TYPE_INT);
    checkRangeConversion(range, DataBuffer.TYPE_SHORT);
    checkRangeConversion(range, DataBuffer.TYPE_USHORT);
}

From source file:nitf.imageio.NITFReader.java

@Override
public Raster readRaster(int imageIndex, ImageReadParam param) throws IOException {
    checkIndex(imageIndex);//  w ww .  j av a2s.  co m

    Rectangle sourceRegion = new Rectangle();
    Rectangle destRegion = new Rectangle();
    computeRegions(param, getWidth(imageIndex), getHeight(imageIndex), null, sourceRegion, destRegion);

    // Set everything to default values
    int sourceXSubsampling = param != null ? param.getSourceXSubsampling() : 1;
    int sourceYSubsampling = param != null ? param.getSourceYSubsampling() : 1;
    Point destinationOffset = param != null ? param.getDestinationOffset() : new Point(0, 0);

    ImageSubheader subheader;
    try {
        subheader = record.getImages()[imageIndex].getSubheader();
    } catch (NITFException e) {
        throw new IOException(ExceptionUtils.getStackTrace(e));
    }
    String irep = subheader.getImageRepresentation().getStringData().trim();
    String pvType = subheader.getPixelValueType().getStringData().trim();
    int nbpp = subheader.getNumBitsPerPixel().getIntData();
    int bandCount = subheader.getBandCount();

    // make the band offsets array, for the output
    int[] bandOffsets = null;
    int[] sourceBands = param != null ? param.getSourceBands() : null;
    if (param != null && param.getDestinationBands() != null)
        bandOffsets = param.getDestinationBands();
    else if (param != null && sourceBands != null) {
        bandOffsets = new int[sourceBands.length];
        for (int i = 0; i < bandOffsets.length; i++)
            bandOffsets[i] = sourceBands[i];
    } else {
        // Setup band offsets -- TODO should we really read ALL bands by
        // default?
        bandOffsets = new int[bandCount];
        for (int i = 0; i < bandOffsets.length; i++)
            bandOffsets[i] = i;
    }

    int nBytes = ((nbpp - 1) / 8) + 1;

    int bufType = -1;

    // byte
    if (nBytes == 1) {
        bufType = DataBuffer.TYPE_BYTE;
    }
    // short
    else if (nBytes == 2) {
        bufType = DataBuffer.TYPE_USHORT;
    }
    // float
    else if (nBytes == 4 && pvType.equals("R")) {
        bufType = DataBuffer.TYPE_FLOAT;
    }
    // double
    else if (nBytes == 8 && pvType.equals("R")) {
        bufType = DataBuffer.TYPE_DOUBLE;
    } else {
        throw new NotImplementedException("not yet implemented");
    }

    WritableRaster ras = ImageIOUtils.makeGenericPixelInterleavedWritableRaster(destRegion.width,
            destRegion.height, bandOffsets.length, bufType);
    checkReadParamBandSettings(param, bandCount, ras.getSampleModel().getNumBands());
    readRaster(imageIndex, sourceRegion, destRegion, sourceXSubsampling, sourceYSubsampling, bandOffsets,
            nBytes, destinationOffset, ras);
    return ras;
}

Example usage for java.awt.image DataBuffer TYPE_USHORT

Introduction

Prototype

Document

Usage