Android Open Source - Look Color4

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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.  ja  va 2  s  . com*/
*
* 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.ar3D.core;

public class Color4 {

  public float[] rgba;
  
  private static final float FACTOR = 0.2f;

  public Color4(float r, float g, float b, float a) {
    rgba = new float[] { r, g, b, a };
    normalizeLevels();
  }

  public Color4(float r, float g, float b) {
    this(r, g, b, 1.0f);
  }
  
  public Color4( float[] rgba ) throws IllegalArgumentException {
    if ( rgba.length != 4 ){
      throw new IllegalArgumentException( "rgba array must have 4 components");
    }
    this.rgba = rgba;
    normalizeLevels();
  }
  
  private void normalizeLevels( ){
    for ( int i = 0; i < rgba.length; i++ ){
      rgba[i] = rgba[i] > 1.0f ? 1.0f : rgba[i];
      rgba[i] = rgba[i] < 0.0f ? 0.0f : rgba[i];
    }
  }
  
  public Color4 darker( ){
    return new Color4( rgba[0] - FACTOR, rgba[1] - FACTOR, rgba[2] - FACTOR, rgba[3]);
  }
  
  public Color4 brighter( ){
    return new Color4( rgba[0] + FACTOR, rgba[1] + FACTOR, rgba[2] + FACTOR, rgba[3]);
  }

}

Java Source Code List

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