Distorted Android

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

// 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.fbo;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.examples.R;

import org.distorted.library.DistortedObjectTree;

import org.distorted.library.Distorted;

import org.distorted.library.GridFlat;

import org.distorted.library.DistortedTexture;

import org.distorted.library.DistortedEffectQueues;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

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

class FBORenderer implements GLSurfaceView.Renderer 

{

   private GLSurfaceView mView;

   private DistortedEffectQueues mQueues;

   private int lisaHeight, lisaWidth;

   private DistortedObjectTree mRoot;

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

   FBORenderer(GLSurfaceView v)

      {

      mView = v;

      mQueues = new DistortedEffectQueues();

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

      mRoot.draw(System.currentTimeMillis());

      }

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

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

      { 

      mQueues.abortEffects(EffectTypes.MATRIX);

      if( (float)lisaHeight/lisaWidth > (float)height/width )

        {

        int w = (height*lisaWidth)/lisaHeight;

        float factor = (float)height/lisaHeight;

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

        mQueues.scale(factor);

        }

      else

        {

        int h = (width*lisaHeight)/lisaWidth;

        float factor = (float)width/lisaWidth;

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

        mQueues.scale(factor);

        }

      Distorted.onSurfaceChanged(width, height); 

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      InputStream is1 = mView.getContext().getResources().openRawResource(R.raw.monalisa);

      InputStream is2 = mView.getContext().getResources().openRawResource(R.raw.fbo);

      Bitmap bitmap1, bitmap2;

      try 

        {

        bitmap1 = BitmapFactory.decodeStream(is1);

        bitmap2 = BitmapFactory.decodeStream(is2);

        } 

      finally 

        {

        try 

          {

          is1.close();

          is2.close();

          } 

        catch(IOException e) { }

        }  

      lisaWidth     = bitmap1.getWidth();

      lisaHeight    = bitmap1.getHeight();

      int textWidth = bitmap2.getWidth();

      int textHeight= bitmap2.getHeight();

      DistortedTexture lisa = new DistortedTexture(lisaWidth,lisaHeight);

      DistortedTexture text = new DistortedTexture(textWidth,textHeight);

      lisa.setTexture(bitmap1);

      text.setTexture(bitmap2);

      DistortedEffectQueues textQueues = new DistortedEffectQueues();

      mRoot = new DistortedObjectTree(lisa,mQueues,new GridFlat(1,1));

      mRoot.attach(text,textQueues,new GridFlat(20,5));

      float factor = lisaWidth/(1.5f*textWidth);

      textQueues.move( new Static3D(lisaWidth/6,lisaHeight/3,0) );

      textQueues.scale(factor);

      Dynamic1D sinkDyn = new Dynamic1D(5000,0.0f);

      sinkDyn.add(new Static1D(1.0f));

      sinkDyn.add(new Static1D(0.5f));

      textQueues.sink(sinkDyn, new Static3D(textWidth/2,textHeight/2, 0));

      Dynamic1D chromaDyn = new Dynamic1D(10000,0.0f);

      chromaDyn.add(new Static1D(0.0f));

      chromaDyn.add(new Static1D(0.5f));

      mQueues.chroma(chromaDyn, new Static3D(0,0,1) );

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

}