Example usage for java.awt.image DataBuffer TYPE

Introduction

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

Prototype

int TYPE_FLOAT

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

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Document

Tag for float data.

Usage

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

public static boolean canDisplay(BufferedImage image) {
    log.info("Data Type: " + image.getSampleModel().getDataType());
    log.info("Pixel Size: " + image.getColorModel().getPixelSize());

    if (image.getSampleModel().getDataType() == DataBuffer.TYPE_FLOAT
            && image.getColorModel().getPixelSize() == 64)
        return false;
    return !GraphicsEnvironment.isHeadless();
}

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 {//  w ww  .j  av a2 s  . c o m
            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:it.geosolutions.imageio.plugins.nitronitf.ImageIOUtils.java

/**
 * Returns a generic banded WritableRaster
 * //from w ww .  ja  v  a  2  s  .c o m
 * @param numElems
 * @param numLines
 * @param bandOffsets
 * @param dataType
 * @return
 */
public static WritableRaster makeGenericBandedWritableRaster(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_FLOAT)
        d = new DataBufferFloat(numElems * numLines * numBands);
    else
        throw new IllegalArgumentException("Invalid datatype: " + dataType);

    BandedSampleModel bsm = new BandedSampleModel(dataType, numElems, numLines, bandOffsets.length, bandOffsets,
            bandOffsets);

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

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

/**
 * Returns a generic pixel interleaved WritableRaster
 * /*from ww w  . java2  s.  co 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());
        }/*from   w  w  w  .j a  va 2s .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 w  ww  .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

@Test
public void testRangeTimeByte1or2Points() {
    if (!SINGLE_POINT) {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testRangeTimeByte(rangeB2bounds, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_SHORT:
            testRangeTimeShort(rangeS2bounds, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_INT:
            testRangeTimeInteger(rangeI2bounds, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_FLOAT:
            testRangeTimeFloat(rangeF2bounds, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testRangeTimeDouble(rangeD2bounds, SINGLE_POINT);
            break;
        default://w ww . j av a  2 s  .com
            throw new IllegalArgumentException("Wrong data type");
        }
    } else {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testRangeTimeByte(rangeBpoint, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_SHORT:
            testRangeTimeShort(rangeSpoint, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_INT:
            testRangeTimeInteger(rangeIpoint, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_FLOAT:
            testRangeTimeFloat(rangeFpoint, SINGLE_POINT);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testRangeTimeDouble(rangeDpoint, SINGLE_POINT);
            break;
        default:
            throw new IllegalArgumentException("Wrong data type");
        }
    }
}

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

@Test
public void testJaiToolsRangeTimeByte1or2Points() {
    if (!SINGLE_POINT) {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testJaiToolsRangeTime(rangeJTB, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testJaiToolsRangeTime(rangeJTS, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testJaiToolsRangeTime(rangeJTI, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testJaiToolsRangeTime(rangeJTF, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testJaiToolsRangeTime(rangeJTD, SINGLE_POINT, arrayDtest);
            break;
        default://from  w  w w  . j  a  v a2  s  .co  m
            throw new IllegalArgumentException("Wrong data type");
        }
    } else {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testJaiToolsRangeTime(rangeJTBpoint, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testJaiToolsRangeTime(rangeJTSpoint, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testJaiToolsRangeTime(rangeJTIpoint, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testJaiToolsRangeTime(rangeJTFpoint, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testJaiToolsRangeTime(rangeJTDpoint, SINGLE_POINT, arrayDtest);
            break;
        default:
            throw new IllegalArgumentException("Wrong data type");
        }
    }
}

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

@Test
public void testJAIRangeTimeByte1or2Points() {
    if (!SINGLE_POINT) {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testJAIRangeTime(rangeJAIB, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testJAIRangeTime(rangeJAIS, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testJAIRangeTime(rangeJAII, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testJAIRangeTime(rangeJAIF, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testJAIRangeTime(rangeJAID, SINGLE_POINT, arrayDtest);
            break;
        default://from   w  w  w .j a v a  2 s .  co m
            throw new IllegalArgumentException("Wrong data type");
        }
    } else {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testJAIRangeTime(rangeJAIBpoint, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testJAIRangeTime(rangeJAISpoint, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testJAIRangeTime(rangeJAIIpoint, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testJAIRangeTime(rangeJAIFpoint, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testJAIRangeTime(rangeJAIDpoint, SINGLE_POINT, arrayDtest);
            break;
        default:
            throw new IllegalArgumentException("Wrong data type");
        }
    }
}

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

@Test
public void testApacheCommonRangeTimeByte1or2Points() {

    if (!SINGLE_POINT) {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testApacheCommonsRangeTime(rangeCommonsB, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testApacheCommonsRangeTime(rangeCommonsS, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testApacheCommonsRangeTime(rangeCommonsI, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testApacheCommonsRangeTime(rangeCommonsF, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testApacheCommonsRangeTime(rangeCommonsD, SINGLE_POINT, arrayDtest);
            break;
        default://from ww w  .  j  av  a 2 s.com
            throw new IllegalArgumentException("Wrong data type");
        }
    } else {
        switch (TEST_SELECTOR) {
        case DataBuffer.TYPE_BYTE:
            testApacheCommonsRangeTime(rangeCommonsBpoint, SINGLE_POINT, arrayBtest);
            break;
        case DataBuffer.TYPE_SHORT:
            testApacheCommonsRangeTime(rangeCommonsSpoint, SINGLE_POINT, arrayStest);
            break;
        case DataBuffer.TYPE_INT:
            testApacheCommonsRangeTime(rangeCommonsIpoint, SINGLE_POINT, arrayItest);
            break;
        case DataBuffer.TYPE_FLOAT:
            testApacheCommonsRangeTime(rangeCommonsFpoint, SINGLE_POINT, arrayFtest);
            break;
        case DataBuffer.TYPE_DOUBLE:
            testApacheCommonsRangeTime(rangeCommonsDpoint, SINGLE_POINT, arrayDtest);
            break;
        default:
            throw new IllegalArgumentException("Wrong data type");
        }
    }
}

Example usage for java.awt.image DataBuffer TYPE_FLOAT

Introduction

Prototype

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Usage