Example usage for java.nio ByteBuffer asFloatBuffer

Introduction

In this page you can find the example usage for java.nio ByteBuffer asFloatBuffer.

Prototype

public abstract FloatBuffer asFloatBuffer();

Source Link

Document

Returns a float buffer which is based on the remaining content of this byte buffer.

Usage

From source file:Main.java

public static FloatBuffer toFloatBufferPositionZero(float[] values) {
    ByteBuffer vbb = ByteBuffer.allocateDirect(values.length * 4);
    vbb.order(ByteOrder.nativeOrder());
    FloatBuffer buffer = vbb.asFloatBuffer();
    buffer.put(values);/*from   w ww.  ja v a  2  s  . c  om*/
    buffer.position(0);
    return buffer;
}

From source file:Main.java

private static final FloatBuffer createDebugColors(int drawMode, int size) {
    ByteBuffer bb = ByteBuffer.allocateDirect(size * 4 * 4);
    bb.order(ByteOrder.nativeOrder());
    FloatBuffer colors = bb.asFloatBuffer();
    if (drawMode == GL10.GL_TRIANGLES) {
        for (int i = 0; i < size * 4; i++) {
            colors.put(triangleColors[i % triangleColors.length]);
        }/*from w  w  w  .  ja  v  a  2  s . c o m*/
    } else {
        for (int i = 0; i < size; i++) {
            colors.put(1f);
            colors.put(0f);
            colors.put(1f);
            colors.put(1f);
        }
    }
    colors.rewind();
    return colors;
}

From source file:Main.java

public static FloatBuffer floatArrayToBuffer(float[] floatArray) {
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(floatArray.length * 4);
    byteBuffer.order(ByteOrder.nativeOrder());
    FloatBuffer floatBuffer = byteBuffer.asFloatBuffer();
    floatBuffer.put(floatArray);//from   ww  w. ja v a 2 s .  com
    floatBuffer.position(0);
    return floatBuffer;
}

From source file:Main.java

public static FloatBuffer transportArrayToNativeBuffer(float[] fArray) {
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(fArray.length * 4);
    byteBuffer.order(ByteOrder.nativeOrder());
    return (FloatBuffer) byteBuffer.asFloatBuffer().put(fArray).position(0);
}

From source file:Main.java

/**
 * Creates a {@link FloatBuffer} based on the given data.
 *
 * @param data the data for the buffer//  w w  w .java2  s . c  om
 * @return the float buffer
 */
public static FloatBuffer createFloatBuffer(final float[] data) {
    ByteBuffer bbVertices = ByteBuffer.allocateDirect(data.length * 4);
    bbVertices.order(ByteOrder.nativeOrder());
    final FloatBuffer fBuffer = bbVertices.asFloatBuffer();
    fBuffer.put(data);
    fBuffer.position(0);
    return fBuffer;
}

From source file:Main.java

public static FloatBuffer toFloatBufferPositionZero(float[] values) {
    final ByteBuffer vbb = ByteBuffer.allocateDirect(values.length * 4);
    vbb.order(ByteOrder.nativeOrder());
    final FloatBuffer buffer = vbb.asFloatBuffer();
    buffer.put(values);/*from   w ww  . j  av a2 s .c o m*/
    buffer.position(0);
    return buffer;
}

From source file:Main.java

/**
 * Allocates a direct float buffer, and populates it with the float array data.
 *///from  w w w . ja  va  2  s.  c  o m
public static FloatBuffer createFloatBuffer(float[] coords) {
    // Allocate a direct ByteBuffer, using 4 bytes per float, and copy coords into it.
    ByteBuffer bb = ByteBuffer.allocateDirect(coords.length * SIZEOF_FLOAT);
    bb.order(ByteOrder.nativeOrder());
    FloatBuffer fb = bb.asFloatBuffer();
    fb.put(coords);
    fb.position(0);
    return fb;
}

From source file:Main.java

/**
 * Convert from singed 16-bit PCM to 32-bit float PCM.
 * @param byteArray byte array/*from  w w  w.ja  v a2  s.  c  o m*/
 * @return byte array
 */
public static byte[] convert16BitTo32Bit(final byte[] byteArray) {
    float[] audioDataF = shortToFloat(byteToShort(byteArray));
    for (int i = 0; i < audioDataF.length; i++) {
        audioDataF[i] /= 32768.0;
    }

    FloatBuffer fb = FloatBuffer.wrap(audioDataF);
    ByteBuffer byteBuffer = ByteBuffer.allocate(fb.capacity() * 4);
    byteBuffer.order(ByteOrder.LITTLE_ENDIAN);
    byteBuffer.asFloatBuffer().put(fb);
    return byteBuffer.array();
}

From source file:Main.java

/**
 * create a Floatbuffer for a given Array
 * @param array/*from  w ww. j a va  2s .  c om*/
 * @return
 */
public static FloatBuffer createFloatBuffer(float[] array) {
    final int floatSize = Float.SIZE / 8;
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(array.length * floatSize);
    byteBuffer.order(ByteOrder.nativeOrder());
    FloatBuffer floatBuffer = byteBuffer.asFloatBuffer();
    floatBuffer.put(array);
    floatBuffer.position(0);
    return floatBuffer;
}

From source file:Main.java

/**
 * Make a FloatBuffer from an array of floats
 * /*from  w  w w  .j  a v  a 2s. c  om*/
 * @param f
 *            The array
 * @return the FloatBuffer
 */
public static FloatBuffer makeFloatBuffer(float[] f) {
    ByteBuffer bytBuffer = ByteBuffer.allocateDirect(f.length * 4);
    bytBuffer.order(ByteOrder.nativeOrder());

    FloatBuffer floatBuffer = bytBuffer.asFloatBuffer();
    floatBuffer.put(f);
    floatBuffer.position(0);

    return floatBuffer;
}