get Buffer From Array

 
/*
 * Copyright (c) 2011, Shane Conder and Lauren Darcey
 * All rights reserved.
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 * permitted provided that the following conditions are met:
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 * * Redistributions of source code must retain the above copyright notice, this list of 
 *   conditions and the following disclaimer.
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 *   of conditions and the following disclaimer in the documentation and/or other 
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 * * Neither the name of the <ORGANIZATION> nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific prior 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
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//package com.mamlambo.easy3d.helpers;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;

class OpenGLUtilities {
    public static final float PI = 3.14159265358979323846f;

    static ByteBuffer getByteBufferFromByteArray(byte array[]) {
        ByteBuffer buffer = ByteBuffer.allocateDirect(array.length);
        buffer.put(array);
        buffer.position(0);
        return buffer;
    }

    static FloatBuffer getFloatBufferFromFloatArray(float array[]) {
        ByteBuffer tempBuffer = ByteBuffer.allocateDirect(array.length * 4);
        tempBuffer.order(ByteOrder.nativeOrder());
        FloatBuffer buffer = tempBuffer.asFloatBuffer();
        buffer.put(array);
        buffer.position(0);
        return buffer;
    }

    static IntBuffer getIntBufferFromIntArray(int array[]) {
        ByteBuffer tempBuffer = ByteBuffer.allocateDirect(array.length * 4);
        tempBuffer.order(ByteOrder.nativeOrder());
        IntBuffer buffer = tempBuffer.asIntBuffer();
        buffer.put(array);
        buffer.position(0);
        return buffer;
    }
}

1.	Fast Float Buffer
2.	Demonstrate the Frame Buffer Object OpenGL ES extension.
3.	Loads a file to a ByteBuffer.
4.	Make a direct NIO FloatBuffer from an array of floats
5.	Make a direct NIO ByteBuffer from an array of bytes
6.	Make Float Buffer From Array
7.	Creates a floatbuffer of the given size.
8.	Make Float Buffer with ByteBuffer.allocateDirect
9.	allocate Float Buffer
10.	to Short Buffer
11.	to Float Buffer Position Zero
12.	allocate Short Buffer
13.	allocate Int Buffer
14.	Read InputStream with BufferedReader
15.	To convert the InputStream to String we use the BufferedReader.readLine() method.
16.	make Float Buffer
17.	Your own float buffer
18.	Direct Buffer
19.	create Buffer
20.	Write String to File with BufferWriter
21.	Byte Buffer Stack
22.	Compute the SHA-1 hash of the bytes in the given buffer
23.	An utility class for java.nio.Buffers

get Buffer From Array : Buffer « File « Android

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