Java FloatBuffer Copy copyFloatBuffer(FloatBuffer buf)

Description

copy Float Buffer

License

Apache License

Declaration

public static FloatBuffer copyFloatBuffer(FloatBuffer buf) 

Method Source Code

//package com.java2s;
/**/*from www .  ja  v a  2s. c o  m*/
 * Copyright 2008 - 2011
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * @project loonframework
 * @author chenpeng
 * @email?ceponline@yahoo.com.cn
 * @version 0.1
 */

import java.nio.ByteBuffer;
import java.nio.ByteOrder;

import java.nio.FloatBuffer;

public class Main {
    public static final int SIZEOF_FLOAT = 4;

    public static FloatBuffer copyFloatBuffer(FloatBuffer buf) {
        return copyFloatBufferAsByteBuffer(buf).asFloatBuffer();
    }

    public static ByteBuffer copyFloatBufferAsByteBuffer(FloatBuffer buf) {
        ByteBuffer dest = newByteBuffer(buf.remaining() * SIZEOF_FLOAT);
        buf.mark();
        dest.asFloatBuffer().put(buf);
        buf.reset();
        dest.rewind();
        return dest;
    }

    public static ByteBuffer newByteBuffer(int numElements) {
        ByteBuffer bb = ByteBuffer.allocateDirect(numElements);
        bb.order(ByteOrder.nativeOrder());
        return bb;
    }
}

Related

1. copy(final FloatBuffer source, final int fromPos, final FloatBuffer destination, final int toPos, final int length)
2. copy(float[] vertices, FloatBuffer floatBuffer, int numFloats, int offset)
3. copyInternal(FloatBuffer buf, int fromPos, int toPos, int length)
4. copyInternalVector2(final FloatBuffer buf, final int fromPos, final int toPos)
5. copyInternalVector3(FloatBuffer buf, int fromPos, int toPos)