Distorted Android

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

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

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

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

//                                                                                               //

// 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                             //

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.library.effect.VertexEffectDistort;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.type.Static4D;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

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

    private GLSurfaceView mView;

      mView = v;

      // center = (0,0,0) would be the midpoint of the Bitmap.

      // a Region is like a mask that specifies which area around the Center is affected by

      // the Distort. Here (-10,10,0) pixels from the left center, with radius 25 pixels

      Static4D regionLeft  = new Static4D( -10/320.0f, 10/366.0f, 0, 25/320.0f);

      // and likewise (10,5,0) pixels from the right Center, radius 25 pixels.

      Static4D regionRight = new Static4D(  10/320.0f,  5/366.0f, 0, 25/320.0f);

      // two dynamics for interpolating through vectors of distortion. Interpolate

      Dynamic3D degRight= new Dynamic3D(1000,0.0f);

      // two vectors of distortion the left tip of the mouth gets distorted with -

      // i.e. slightly to the top left.

      degLeft.add ( new Static3D(         0,         0, 0) );

      degLeft.add ( new Static3D(-20/320.0f, 20/366.0f, 0) );

      // likewise two vectors the right tip is distorted with.

      degRight.add( new Static3D( 20/320.0f, 10/366.0f, 0) );

      mEffects.apply( new VertexEffectDistort( degRight, centerRight, regionRight) );

      mEffects.apply(new MatrixEffectScale(mScale));

      mScreen  = new DistortedScreen();

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

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

      else               mScale.set( height/mBmpRatio, height, 1 );

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        } 

      finally 

        {

        try 

          {

          is.close();

          } 

        catch(IOException e) { }

        }  

      // effect to have vertices to distort. We multiply by mBmpRatio here so

      // that the Mesh's cells are as close to squares as possible (when they

      // finally be rendered with a Scale - see mScale)

      if( mMesh==null ) mMesh = new MeshRectangles(9, (int)(9*mBmpRatio) );

      // Textures - get deleted. We always need to call setTexture() here to

      // recreate the internal OpenGL textures.

      // before the call to DistortedLibrary.onCreate(). Best done here.

      }

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

    public void distortedException(Exception ex)

      {

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

}