Android Open Source - android-imgpro-lib Invert

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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 w  w  .j av a2s  .  c om
import net.akhyar.android.imgpro.Action;

public class Invert extends Action {

  @Override
  protected void adjustPixels(int[] pixels) {
    int size = pixels.length;

    int[] cache = new int[256];
    for (int i = 0; i < 256; i++) {
      cache[i] = 255 - i;
    }

    int a, r, g, b;
    for (int i = 0; i < size; i++) {
      a = pixels[i] & 0xff000000;

      r = cache[0xff & (pixels[i] >> 16)];
      g = cache[0xff & (pixels[i] >> 8)];
      b = cache[0xff & pixels[i]];

      pixels[i] = a + (r << 16) + (g << 8) + b;
    }
  }
}

Java Source Code List