Android Open Source - android-imgpro-lib Blur

From Project

Back to project page android-imgpro-lib.

License

The source code is released under:

MIT License

If you think the Android project android-imgpro-lib listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package net.akhyar.android.imgpro.actions;
/*ww w  .  j  av  a 2 s  . c o m*/
import net.akhyar.android.imgpro.Action;
import android.graphics.Bitmap;

public class Blur extends Action {

  int radius;
  int width, height;
  int[] pixels;

  public Blur(int radius) {
    this.radius = radius;
  }

  @Override
  public void adjustBitmap(Bitmap src) {
    this.width = src.getWidth();
    this.height = src.getHeight();
    
    super.adjustBitmap(src);
  }

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

    for (int r = radius; r >= 1; r /= 2) {
      for (int i = r; i < height - r; i++) {
        for (int j = r; j < width - r; j++) {
          int tl = color[(i - r) * width + j - r];
          int tr = color[(i - r) * width + j + r];
          int tc = color[(i - r) * width + j];
          int bl = color[(i + r) * width + j - r];
          int br = color[(i + r) * width + j + r];
          int bc = color[(i + r) * width + j];
          int cl = color[i * width + j - r];
          int cr = color[i * width + j + r];

          color[(i * width) + j] = 0xFF000000
              | (((tl & 0xFF) + (tr & 0xFF) + (tc & 0xFF)
                  + (bl & 0xFF) + (br & 0xFF) + (bc & 0xFF)
                  + (cl & 0xFF) + (cr & 0xFF)) >> 3)
              & 0xFF
              | (((tl & 0xFF00) + (tr & 0xFF00) + (tc & 0xFF00)
                  + (bl & 0xFF00) + (br & 0xFF00)
                  + (bc & 0xFF00) + (cl & 0xFF00) + (cr & 0xFF00)) >> 3)
              & 0xFF00
              | (((tl & 0xFF0000) + (tr & 0xFF0000)
                  + (tc & 0xFF0000) + (bl & 0xFF0000)
                  + (br & 0xFF0000) + (bc & 0xFF0000)
                  + (cl & 0xFF0000) + (cr & 0xFF0000)) >> 3)
              & 0xFF0000;
        }
      }
    }
  }
}

Java Source Code List