Source Code : Java Media: Find Components

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Java Media: Find Components

/*

Java Media APIs: Cross-Platform Imaging, Media and Visualization
Alejandro Terrazas
Sams, Published November 2002, 
ISBN 0672320940
*/

import java.awt.image.DirectColorModel;

public class FindComponents {
  DirectColorModel dcm32;

  DirectColorModel dcm16;

  int[] components;

  float[] componentsf;

  int value32;

  short value16;

  int red8, green8, blue8, alpha8;

  short red5, green5, blue5;

  /**
   * FindComponents.java -- prints out normalized color components for two
   * different
   */
  public FindComponents() {
    red8 = red5 = 30;
    green8 = green5 = 20;
    blue8 = blue5 = 10;
    alpha8 = 255;

    dcm32 = new DirectColorModel(32, 0x00ff0000, 0x0000ff00, 0x000000ff,
        0xff000000);
    value32 = (alpha8 << 24) + (red8 << 16) + (green8 << 8) + blue8;
    components = dcm32.getComponents(value32, null, 0);
    componentsf = dcm32.getNormalizedComponents(components, 0, null, 0);
    System.out.println("Normalized components are: ");
    for (int i = 0; i < componentsf.length; i++)
      System.out.println("	" + componentsf[i]);

    dcm16 = new DirectColorModel(16, 0x7c00, 0x3e0, 0x1f);
    value16 = (short) ((red5 << 10) + (green5 << 5) + blue5);
    components = dcm16.getComponents(value16, null, 0);
    componentsf = dcm16.getNormalizedComponents(components, 0, null, 0);
    System.out.println("Normalized components are: ");
    for (int i = 0; i < componentsf.length; i++)
      System.out.println("	" + componentsf[i]);
  }

  public static void main(String[] args) {
    new FindComponents();
  }
}

           
       

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