Android Open Source - min3d Color4 Managed

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License

The source code is released under:
MIT License
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Java Source Code

package com.min3d.lib.vos;
//from   w w w .j  a v  a 2s.c o m
import com.min3d.lib.Utils;
import com.min3d.lib.interfaces.IDirtyParent;

import java.nio.FloatBuffer;

/**
 * Same functionality as Color4, but uses proper accessors to r,g,b, and a properties, 
 * rather than VO-style public variables, so that 'dirty flag' can be managed properly.
 * 
 * It is also backed by a FloatBuffer.
 */
public class Color4Managed extends AbstractDirtyManaged
{
  private short _r;
  private short _g;
  private short _b;
  private short _a;
  
  private FloatBuffer _fb;
  
  
  public Color4Managed(IDirtyParent $parent)
  {
    super($parent);
    
    _r = (short)255;
    _g = (short)255;
    _b = (short)255;
    _a = (short)255;

    _fb = this.toFloatBuffer();
    
    setDirtyFlag();
    
  }
  
  public Color4Managed(short $r, short $g, short $b, short $a, IDirtyParent $parent)
  {
    super($parent);
    
    _r = $r;
    _g = $g;
    _b = $b;
    _a = $a;

    _fb = this.toFloatBuffer();

    setDirtyFlag();
  }

  /**
   * Convenience method which casts the int arguments to short for you. 
   */
  public Color4Managed(int $r, int $g, int $b, int $a, IDirtyParent $parent)
  {
    super($parent);

    _r = (short)$r;
    _g = (short)$g;
    _b = (short)$b;
    _a = (short)$a;

    _fb = this.toFloatBuffer();

    setDirtyFlag();
  }

  /**
   *  Convenience method to set all properties in one line.
   */
  public void setAll(short $r, short $g, short $b, short $a)
  {
    _r = $r;
    _g = $g;
    _b = $b;
    _a = $a;

    setDirtyFlag();
  }
  
  public void setAll(int $r, int $g, int $b, int $a)
  {
    setAll((short)$r, (short)$g, (short)$b, (short)$a);
  }
  
  public Color4 toColor4()
  {
    return new Color4(_r,_g,_b,_a);
  }
  
  /**
   * Convenience method to set all properties off one 32-bit rgba value 
   */
  public void setAll(long $argb32)
  {
    _a = (short) (($argb32 >> 24) & 0x000000FF);
    _r = (short) (($argb32 >> 16) & 0x000000FF);
    _g = (short) (($argb32 >> 8) & 0x000000FF);
    _b = (short) (($argb32) & 0x000000FF);    
    
    setDirtyFlag();
  }
  
  public void setAll(Color4 $color)
  {
    setAll($color.r, $color.g, $color.b, $color.a);
  }

  public short r()
  {
    return _r;
  }
  public void r(short $r)
  {
    _r = $r;
    setDirtyFlag();
  }
  
  public short g()
  {
    return _g;
  }
  public void g(short $g)
  {
    _g = $g;
    setDirtyFlag();
  }
  
  public short b()
  {
    return _b;
  }
  public void b(short $b)
  {
    _b = $b;
    setDirtyFlag();
  }
  
  public short a()
  {
    return _a;
  }
  public void a(short $a)
  {
    _a = $a;
    setDirtyFlag();
  }

  /**
   * Convenience method
   */
  public FloatBuffer toFloatBuffer()
  {
    return Utils.makeFloatBuffer4(
                (float) r() / 255f,
                (float) g() / 255f,
                (float) b() / 255f,
                (float) a() / 255f
        );
  }

  /**
   * Convenience method
   */
  public void toFloatBuffer(FloatBuffer $floatBuffer)
  {
    $floatBuffer.position(0);
    $floatBuffer.put((float)r() / 255f);
    $floatBuffer.put((float)g() / 255f);
    $floatBuffer.put((float)b() / 255f);
    $floatBuffer.put((float)a() / 255f);
    $floatBuffer.position(0);
  }
  
  //
  
  /**
   * Used by Renderer
   */
  public FloatBuffer floatBuffer()
  {
    return _fb;
  }

  /**
   * Used by Renderer
   */
  public void commitToFloatBuffer()
  {
    this.toFloatBuffer(_fb);
  }

  @Override
  public String toString()
  {
    return "r:" + _r + ", g:" + _g + ", b:" + _b + ", a:" + _a;
  }

  
}
Java Source Code List
