Example usage for java.lang Integer toBinaryString

Introduction

In this page you can find the example usage for java.lang Integer toBinaryString.

Prototype

public static String toBinaryString(int i) 

Source Link

Document

Returns a string representation of the integer argument as an unsigned integer in base 2.

Usage

From source file:CanvasSizeMIDlet.java

public void paint(Graphics g) {
    width = getWidth();/*from  w  w  w. j a va 2  s.  c  om*/
    height = getHeight();

    g.setGrayScale(255);
    g.fillRect(0, 0, width - 1, height - 1);
    g.setGrayScale(0);
    g.drawString("Stroke Style:" + g.getStrokeStyle(), 0, 60, Graphics.TOP | Graphics.LEFT);
    g.drawRect(0, 0, width - 1, height - 1);
    g.setStrokeStyle(Graphics.DOTTED);
    g.drawLine(00, 40, 60, 60);

    g.drawString(Integer.toBinaryString(width), 0, 0, Graphics.TOP | Graphics.LEFT);
    g.drawString(Integer.toBinaryString(height), 10, 20, Graphics.TOP | Graphics.LEFT);
}

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From source file:com.vake.ArrayUtils.java

/**
 * ?radix<p/>/*from   ww w.j a v  a2s .c  o  m*/
 * bytesnull"null"bytes"[]"
 *
 * @param bytes                 
 * @param radix2?816
 * @return 
 */
public static String toString(byte[] bytes, int radix) {
    if (2 != radix && 8 != radix && 16 != radix) {
        final String msg = "radix must be 2, 8 or 16";
        throw new IllegalArgumentException(msg);
    }
    if (null == bytes) {
        return "null";
    }

    final StringBuilder builder = new StringBuilder("[");
    final int len = bytes.length;
    for (int i = 0; i < len; i++) {
        final int intValue = bytes[i] & 0xFF;
        final String string;
        final String padString;
        switch (radix) {
        case 2:
            string = Integer.toBinaryString(intValue);
            padString = StringUtils.leftPad(string, 8, '0');
            break;
        case 8:
            string = Integer.toOctalString(intValue);
            padString = StringUtils.leftPad(string, 3, '0');
            break;
        default:
            string = Integer.toHexString(intValue);
            padString = StringUtils.leftPad(string, 2, '0');
        }
        builder.append(padString.toUpperCase());
        if (i < len - 1) {
            builder.append(", ");
        }
    }
    builder.append("]");
    return builder.toString();
}

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From source file:pl.dpbz.poid.zadanie4.utils.Fourier.java

public static Complex[] computeFastFourier(Complex[] sound, int bits) {
    double N = sound.length;

    Complex[] transformedSignal = new Complex[(int) N];

    for (int i = 0; i < transformedSignal.length; i++) {
        transformedSignal[i] = new Complex(0.0, 0.0);
    }/*w  w w .  ja v  a 2s.c o  m*/

    Complex signalTab[] = new Complex[(int) N];
    Complex[] localTR = new Complex[(int) N];
    int index = 0;
    for (int i = 0; i < sound.length; i++) {
        signalTab[index] = new Complex(sound[i].getReal(), sound[i].getImaginary());
        index++;
    }

    index = 0;
    for (Complex cv : signalTab) {
        //            System.out.println("x(" + index + ") = " + cv.getReal() + " IM: i" + cv.getImaginary());
        index++;
    }
    //Zmienna okrelajca na jakiej wielkoci ma operowa na tablicy
    int part = 2;
    //Ptla okrelajca cykl przechodzenia, przez kolejne kolumny
    for (int iteration = 1; iteration <= bits; iteration++) {
        //            System.out.println("PART "+part);
        //Ile razy ma si wykona
        for (int i = 0; i < part; i += 2) {

            int r = 0;
            for (int actualIndex = (signalTab.length / part) * i, counter = 0; counter < signalTab.length
                    / part; counter++, actualIndex++) {
                int secondIndex = (actualIndex + (signalTab.length / part));
                Complex a = signalTab[actualIndex].add(signalTab[secondIndex]);
                Complex b = signalTab[actualIndex].subtract(signalTab[secondIndex]);
                Complex W = new Complex(Math.cos((2.0 * Math.PI * r) / N), -Math.sin((2.0 * Math.PI * r) / N));
                b = b.multiply(W);
                signalTab[actualIndex] = a;
                signalTab[secondIndex] = b;
                r += part - (part / 2);
            }
        }
        part += part;
    }

    localTR[0] = signalTab[0];
    localTR[localTR.length - 1] = signalTab[signalTab.length - 1];
    for (int i = 1; i < signalTab.length - 1; i++) {
        String bitIndex = Integer.toBinaryString(i);
        if (bitIndex.length() < bits) {
            while (bitIndex.length() < bits) {
                bitIndex = "0" + bitIndex;
            }
        }
        char[] tab = bitIndex.toCharArray();

        for (int j = 0; j < tab.length / 2; j++) {
            char temp = tab[j];
            tab[j] = tab[tab.length - j - 1];
            tab[tab.length - j - 1] = temp;
        }
        bitIndex = new String(tab);
        localTR[Integer.parseInt(bitIndex, 2)] = signalTab[i];
    }
    for (int i = 0; i < localTR.length; i++) {
        transformedSignal[i] = new Complex(localTR[i].getReal(), localTR[i].getImaginary());
    }

    return transformedSignal;
}

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From source file:de.uniwue.info2.numerics.prec.SinglePrecisionFloat.java

@Override
protected String floatValueToBinaryString(String value) {
    float f = Float.parseFloat(value);
    String binary;/*from  www . ja  v a  2  s .  c  o m*/
    if (f == 0) {
        binary = StringUtils.repeat("0", 32);
    } else {
        binary = Integer.toBinaryString(Float.floatToIntBits(f));
    }
    return binary;
}

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From source file:com.codenjoy.dojo.tetris.model.TetrisFigure.java

private void parseRows(String... rows) {
    this.rows = rows;
    codes = new int[rows.length];
    uncoloredCodes = new int[rows.length];
    for (int i = 0; i < rows.length; i++) {
        String row = rows[i];//from w w w. java  2s  .co  m
        String colorCode = Integer.toBinaryString(type.getColor().ordinal() + 1);
        String paddedCode = StringUtils.leftPad(colorCode, 3, '0');
        codes[i] = Integer.parseInt(row.replace("#", paddedCode).replace(" ", "000"), 2);
        uncoloredCodes[i] = Integer.parseInt(row.replace("#", "111").replace(" ", "000"), 2);
    }
}

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From source file:org.mabb.fontverter.woff.WoffOutputStream.java

public void writeFlagByte(int flag, int transform) throws IOException {
    String binary = Integer.toBinaryString(flag);
    String transBinary = Integer.toBinaryString(transform);
    if (transBinary.length() < 2)
        transBinary = StringUtils.repeat("0", 2 - transBinary.length()) + transBinary;
    if (binary.length() < 6)
        binary = StringUtils.repeat("0", 6 - binary.length()) + binary;

    binary = transBinary + binary;/* w  ww. j a va 2s.co m*/
    byte byteOn = (Byte.parseByte(binary, 2));
    write(byteOn);
}

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From source file:ricecompression.RiceCompression.java

public String compress(int m, int n) {
    String riceCode;//from   w  ww  . j  a v  a 2s . c  o  m
    int nBitsM = (int) (Math.log10(m) / Math.log10(2));
    if (n < 0)
        riceCode = "0"; //Valor negatiu
    else
        riceCode = "1"; //Valor negatiu
    int q = Math.abs(n) / m;
    char[] array = new char[q];
    Arrays.fill(array, '1');
    if (array.length > 0)
        riceCode = riceCode.concat(String.valueOf(array)); //Si el quocient es major a 0
    riceCode = riceCode.concat("0");
    int r = Math.abs(n) % m;
    String rBinary = String.format("%" + nBitsM + "s", Integer.toBinaryString(r)).replace(' ', '0');
    riceCode = riceCode.concat(rBinary);
    return riceCode;
}

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From source file:de.thischwa.pmcms.view.context.object.GalleryTool.java

/**
 * Prepare a {@link List} of {@link Image images} used to construct the thumbnail page of a {@link Gallery}. The
 * list contains a list per row. All images are in the requested order.
 *//*from   w  w  w. j  a  v a  2s . c o  m*/
public List<List<Image>> getThumbnailMatrix(final Gallery gallery, final int maxCol) {
    if (gallery == null || CollectionUtils.isEmpty(gallery.getImages()))
        return new ArrayList<List<Image>>();
    int rows = Math.round(((float) gallery.getImages().size() / (float) maxCol) + 0.5f);
    logger.info("Dimension of the thumbnail matrix: ".concat(Integer.toString(maxCol)).concat(" x ")
            .concat(Integer.toBinaryString(rows)));

    List<List<Image>> matrix = new ArrayList<List<Image>>(rows);
    List<Image> matrixCol = new ArrayList<Image>(maxCol);
    int colIndex = 0;
    for (Image image : gallery.getImages()) {
        colIndex++;
        if (colIndex > maxCol) {
            matrix.add(matrixCol);
            matrixCol = new ArrayList<Image>(maxCol);
            colIndex = 1;
        }
        matrixCol.add(image);
    }
    if (!CollectionUtils.isEmpty(matrixCol))
        matrix.add(matrixCol);

    return matrix;
}

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From source file:org.finra.herd.dao.StorageFileDaoTestHelper.java

/**
 * Creates and persists storage file entities per specified parameters.
 *
 * @param storageUnitEntity the storage unit entity
 * @param s3KeyPrefix the S3 key prefix//from  w ww . j  ava  2  s. c om
 * @param partitionColumns the list of partition columns
 * @param subPartitionValues the list of sub-partition values
 * @param replaceUnderscoresWithHyphens specifies to replace UnderscoresWithHyphens when buidling a path
 */
public void createStorageFileEntities(StorageUnitEntity storageUnitEntity, String s3KeyPrefix,
        List<SchemaColumn> partitionColumns, List<String> subPartitionValues,
        boolean replaceUnderscoresWithHyphens) {
    int discoverableSubPartitionsCount = partitionColumns != null
            ? partitionColumns.size() - subPartitionValues.size() - 1
            : 0;
    int storageFilesCount = (int) Math.pow(2, discoverableSubPartitionsCount);

    for (int i = 0; i < storageFilesCount; i++) {
        // Build a relative sub-directory path.
        StringBuilder subDirectory = new StringBuilder();
        String binaryString = StringUtils.leftPad(Integer.toBinaryString(i), discoverableSubPartitionsCount,
                "0");
        for (int j = 0; j < discoverableSubPartitionsCount; j++) {
            String subpartitionKey = partitionColumns.get(j + subPartitionValues.size() + 1).getName()
                    .toLowerCase();
            if (replaceUnderscoresWithHyphens) {
                subpartitionKey = subpartitionKey.replace("_", "-");
            }
            subDirectory.append(String.format("/%s=%s", subpartitionKey, binaryString.substring(j, j + 1)));
        }
        // Create a storage file entity.
        createStorageFileEntity(storageUnitEntity,
                String.format("%s%s/data.dat", s3KeyPrefix, subDirectory.toString()),
                AbstractDaoTest.FILE_SIZE_1_KB, AbstractDaoTest.ROW_COUNT_1000);
    }
}

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From source file:org.terrier.realtime.compression.MemBitSetBuffer.java

/**
 * Gamma encoding.// www  .j  a v a 2  s  .co  m
 * Take n in binary.
 * Pad left nbits-1 0s.
 */
public int writeGamma(int n) {
    String binary = Integer.toBinaryString(n);
    String gamma = StringUtils.repeat("0", binary.length() - 1) + binary;
    for (int bit = 0; bit < gamma.length(); bit++)
        buffer.set(pointer++, gamma.charAt(bit) == '0' ? false : true);
    return gamma.length();
}

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