Distorted Android

        <activity android:name=".blur.BlurActivity"/>

import org.distorted.examples.blur.BlurActivity;

   {

      final Map<String, Object> item = new HashMap<>();

      item.put(ITEM_IMAGE, R.drawable.icon_example_blur);

      item.put(ITEM_TITLE, (i+1)+". "+getText(R.string.example_blur));

      item.put(ITEM_SUBTITLE, getText(R.string.example_blur_subtitle));

      data.add(item);

      activityMapping.put(i++, BlurActivity.class);

   }

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.examples.blur;

import android.app.Activity;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.TextView;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

///////////////////////////////////////////////////////////////////////////////////////////////////

public class BlurActivity extends Activity  implements OnSeekBarChangeListener

{

    private TextView textBlur;

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onCreate(Bundle icicle) 

      {

      super.onCreate(icicle);

      setContentView(R.layout.blurlayout);

      textBlur = (TextView)findViewById(R.id.blurText);

      SeekBar bar = (SeekBar)findViewById(R.id.blurSeek);

      bar.setOnSeekBarChangeListener(this);

      bar.setProgress(50);

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onPause() 

      {

      GLSurfaceView view = (GLSurfaceView) this.findViewById(R.id.blurSurfaceView);

      view.onPause();

      super.onPause();

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView view = (GLSurfaceView) this.findViewById(R.id.blurSurfaceView);

      view.onResume();

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onDestroy() 

      {

      Distorted.onDestroy();  

      super.onDestroy();

      }

///////////////////////////////////////////////////////////////////

    public void onProgressChanged(SeekBar bar, int progress, boolean fromUser) 

      {

      BlurSurfaceView view = (BlurSurfaceView) this.findViewById(R.id.blurSurfaceView);

      switch (bar.getId()) 

        {

        case R.id.blurSeek: view.getRenderer().setBlur(progress);

                            textBlur.setText(getString(R.string.blur_placeholder,progress));

                            break;

        }

      }

///////////////////////////////////////////////////////////////////

    public void onStartTrackingTouch(SeekBar bar) { }

///////////////////////////////////////////////////////////////////

    public void onStopTrackingTouch(SeekBar bar)  { }

}

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.examples.blur;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedEffects;

import org.distorted.library.DistortedFramebuffer;

import org.distorted.library.DistortedTexture;

import org.distorted.library.EffectTypes;

import org.distorted.library.MeshFlat;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static2D;

import org.distorted.library.type.Static3D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

///////////////////////////////////////////////////////////////////////////////////////////////////

class BlurRenderer implements GLSurfaceView.Renderer

{

    private GLSurfaceView mView;

    private DistortedTexture mTexture;

    private DistortedEffects mEffects;

    private DistortedFramebuffer mScreen;

    private MeshFlat mMesh;

    private Static1D mRadiusSta;

    private int bmpHeight, bmpWidth;

///////////////////////////////////////////////////////////////////////////////////////////////////

   BlurRenderer(GLSurfaceView v)

      {

      mView    = v;

      mMesh    = new MeshFlat(1,1);

      mEffects = new DistortedEffects();

      mScreen  = new DistortedFramebuffer(0);

      mRadiusSta = new Static1D(5);

      Dynamic1D radiusDyn = new Dynamic1D();

      radiusDyn.add(mRadiusSta);

      mEffects.blur(radiusDyn, new Static2D(0,0));

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

   void setBlur(int blur)

     {      

     mRadiusSta.set(blur);

     }

///////////////////////////////////////////////////////////////////////////////////////////////////

   public void onDrawFrame(GL10 glUnused) 

      {

      GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

      mScreen.renderTo(mTexture, mMesh, mEffects, System.currentTimeMillis() );

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onSurfaceChanged(GL10 glUnused, int width, int height) 

      { 

      mEffects.abortEffects(EffectTypes.MATRIX);

      if( (float)bmpHeight/bmpWidth > (float)height/width )

        {

        int w = (height*bmpWidth)/bmpHeight;

        float factor = (float)height/bmpHeight;

        mEffects.move( new Static3D((width-w)/2,0,0) );

        mEffects.scale(factor);

        }

      else

        {

        int h = (width*bmpHeight)/bmpWidth;

        float factor = (float)width/bmpWidth;

        mEffects.move( new Static3D(0,(height-h)/2,0) );

        mEffects.scale(factor);

        }

      mScreen.resize(width, height);

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

      InputStream is = mView.getContext().getResources().openRawResource(R.raw.girl);

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        } 

      finally 

        {

        try 

          {

          is.close();

          } 

        catch(IOException e) { }

        }  

      bmpHeight = bitmap.getHeight();

      bmpWidth  = bitmap.getWidth();

      mTexture = new DistortedTexture(bmpWidth,bmpHeight);

      mTexture.setTexture(bitmap);

      try

        {

        Distorted.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

        android.util.Log.e("Renderer", ex.getMessage() );

        }

      }

}

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.examples.blur;

import android.content.Context;

import android.opengl.GLSurfaceView;

import android.util.AttributeSet;

///////////////////////////////////////////////////////////////////////////////////////////////////

class BlurSurfaceView extends GLSurfaceView

{

  private BlurRenderer mRenderer;

///////////////////////////////////////////////////////////////////////////////////////////////////

  public BlurSurfaceView(Context c, AttributeSet attrs)

      {

      super(c, attrs);

      if(!isInEditMode())

        {

        setEGLContextClientVersion(2);

        mRenderer = new BlurRenderer(this);

        setRenderer(mRenderer);

        }

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

  BlurRenderer getRenderer()

    {

    return mRenderer;

    }

}

      if(!isInEditMode())

        {

        setEGLContextClientVersion(2);

        mRenderer = new GirlRenderer(this);

        setRenderer(mRenderer);

        }

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <org.distorted.examples.blur.BlurSurfaceView

        android:id="@+id/blurSurfaceView"

        android:layout_width="fill_parent"

        android:layout_height="0dp"

        android:layout_weight="1" />

    <LinearLayout

        android:id="@+id/linearLayout1"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:gravity="center|fill_horizontal"

        android:orientation="horizontal" >

        <TextView

                android:id="@+id/blurText"

                android:layout_width="150dp"

                android:layout_height="wrap_content"

                android:layout_weight="0.5"

                android:gravity="center_vertical|center"

                android:text="@string/blur"

                android:textAppearance="?android:attr/textAppearanceMedium" />

        <SeekBar

                android:id="@+id/blurSeek"

                android:layout_width="fill_parent"

                android:layout_height="wrap_content"

                android:layout_weight="1"

                android:paddingLeft="15dp"

                android:paddingRight="10dp" />

    </LinearLayout>

</LinearLayout>

    <string name="blur">Blur</string>

    <string name="blur_placeholder">Blur: %1$d</string>

    <string name="example_blur">Blur</string>

    <string name="example_blur_subtitle">Postprocessing effect: Blur.</string>