Android Open Source - speedofsound Color Creator

From Project

Back to project page speedofsound.

License

The source code is released under:

GNU General Public License

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Java Source Code

package net.codechunk.speedofsound.util;
//from  www .  jav a2  s . c om
import android.graphics.Color;

import java.util.Random;

/**
 * Chooses an arbitrary color. Attempts to choose a color that is not very
 * similar to the previously chosen color.
 *
 * @author Andrew
 */
public class ColorCreator {
  /**
   * Holds the previous color that was chosen by this color creator.
   */
  private int previous = Color.WHITE;

  /**
   * Uses a random generator to determine the rgb components and returns the
   * values as a color-int.
   *
   * @return A new random color
   */
  public int getColor() {
    Random generator = new Random();

    // rgb values range from 0 to 255.
    int r = generator.nextInt(256);
    int g = generator.nextInt(256);
    int b = generator.nextInt(256);

    // Create color-int
    int color = Color.rgb(r, g, b);

    // Check to see if rgb values are similar to previous color values.
    // This is used to help avoid very similar colors being generated in
    // sequence.
    if ((Math.abs(r - Color.red(this.previous)) <= 50) ||
        (Math.abs(b - Color.blue(this.previous)) <= 50) ||
        (Math.abs(g - Color.green(this.previous)) <= 50)) {
      // generate a different color
      color = this.getColor();
    }

    this.previous = color;
    return color;
  }
}

Java Source Code List