Android Open Source - Look Look A R Util

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License

The source code is released under:

====================== LOOK! LICENSING TERMS ====================== look! is licensed under the BSD 3-Clause (also known as "BSD New" or "BSD Simplified"), as follows: Copyright (c) 2010-2012, Look...

Java Source Code

/**
*-----------------------------------------------------------------------------
* Copyright (c) 2012, Look! Development Team
* All rights reserved./*from   w  w  w.j  a  v a  2s. c  om*/
*
* Distributed under the terms of the BSD Simplified License.
*
* The full license is in the LICENSE file, distributed with this software.
*-----------------------------------------------------------------------------
*/
package es.ucm.look.ar.util;

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

import android.view.Display;
import android.view.View;
import android.view.ViewGroup;
import es.ucm.look.ar.LookAR;

/**
 * A class with static common functions
 * 
 * @author ??ngel Serrano
 * 
 */
public class LookARUtil {

  /**
   * Default camera angle
   */
  public static final float CAMERA_VIEW_ANGLE = (float) (Math.PI / 3);

  private static LookAR lookAr;

  /**
   * Init the LookARUtil
   * 
   * @param lookAr
   *            Application
   */
  public static void init(LookAR lookAr) {
    LookARUtil.lookAr = lookAr;
  }

  /**
   * Returns the main activity
   * 
   * @return the main activity
   */
  public static LookAR getApp() {
    return lookAr;
  }

  /**
   * Returns the display for the app
   * 
   * @return the display for the app
   */
  public static Display getDisplay() {
    return lookAr.getWindowManager().getDefaultDisplay();
  }

  /**
   * Make a FloatBuffer from an array of floats
   * 
   * @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;
  }

  public static View getView(int resourceId, ViewGroup v) {
    return lookAr.getLayoutInflater().inflate(resourceId, v);
  }

  /**
   * Returns the minimum between the width and the height of the screen
   * 
   * @return the minimum between the width and the height of the screen
   */
  public static int getMinimumSize() {
    if (getDisplay().getHeight() > getDisplay().getWidth()) {
      return getDisplay().getWidth();
    } else
      return getDisplay().getHeight();
  }

}

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