Android Open Source - android-imgpro-lib Desaturate

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License

The source code is released under:

MIT License

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Java Source Code

package net.akhyar.android.imgpro.actions;
//  w ww. j  a v  a2 s.  co m
import net.akhyar.android.imgpro.Action;
import android.graphics.Color;

public class Desaturate extends Action {

  final double GS_RED = 0.299;
  final double GS_GREEN = 0.587;
  final double GS_BLUE = 0.114;

  @Override
  protected void adjustPixels(int[] pixels) {

    int pixel, A, R, G, B;
    for (int i = 0; i < pixels.length; i++) {
      pixel = pixels[i];

      A = Color.alpha(pixel);
      R = Color.red(pixel);
      G = Color.green(pixel);
      B = Color.blue(pixel);

      R = G = B = (int) (R + G + B) / 3;

      pixels[i] = Color.argb(A, R, G, B);
    }
  }

}

Java Source Code List