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.differenteffects;

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.Distorted;

import org.distorted.library.GridFlat;

import org.distorted.library.DistortedObject;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Dynamic3D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

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

class DifferentEffectsRenderer implements GLSurfaceView.Renderer 

{

   private static final int NUM = 3;

   private GLSurfaceView mView;

   private DistortedObject[] mObj;

   private GridFlat mGrid;

   private Static3D pLeft, pRight, pNose1;

   private Static4D RegionEye;

   private Dynamic3D mDI;

   private int bmpHeight, bmpWidth;

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

   DifferentEffectsRenderer(GLSurfaceView v)

      {     

      mView = v;

      // mObj[0] effects

      pLeft = new Static3D(214, 206, 0);

      pRight= new Static3D(390, 212, 0);

      RegionEye = new Static4D(0,0,60,60);

      // mObj[1] effects

      mDI = new Dynamic3D(1000,0.0f);

      mDI.add(new Static3D( 50,0,0));

      mDI.add(new Static3D(-50,0,0));

      pNose1 = new Static3D(305, 340, 0);

      // we don't need to prepare anything for bmp[2] effects

      }

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

   public void onDrawFrame(GL10 glUnused)

     {

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

     long time = System.currentTimeMillis();

     for(int i=NUM-1; i>=0; i--) mObj[i].draw(time, mGrid);

     }

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

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

     {

     for(int i=NUM-1; i>=0; i--)

       {

       mObj[i].abortEffects(EffectTypes.MATRIX);

       }

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

       {

       int w = (height*bmpWidth)/bmpHeight;

       float factor = (float)height/bmpHeight;

       for(int i=NUM-1; i>=0; i--)

         {

         mObj[i].move( new Static3D((width-NUM*w)/2 +i*w , 0, 0) );

         mObj[i].scale(factor);

         }

       }

     else

       {

       int w = width/NUM;

       int h = (width*bmpHeight)/(bmpWidth*NUM);

       float factor = (float)width/(bmpWidth*NUM);

       for(int i=NUM-1; i>=0; i--)

         {

         mObj[i].move( new Static3D(i*w, (height-h)/2, 0) );

         mObj[i].scale(factor);

         }

       }

     Distorted.onSurfaceChanged(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.dog);

     Bitmap bitmap;

     try

       {

       bitmap = BitmapFactory.decodeStream(is);

       }

     finally

       {

       try

         {

         is.close();

         }

       catch(IOException e) { }

       }

     bmpHeight = bitmap.getHeight();

     bmpWidth  = bitmap.getWidth();

     mGrid = new GridFlat(30,30*bmpHeight/bmpWidth);

     mObj = new DistortedObject[NUM];

     mObj[0] = new DistortedObject(bmpWidth, bmpHeight, 1);

     for(int i=1; i<NUM; i++) mObj[i] = new DistortedObject(mObj[0], Distorted.CLONE_BITMAP);

     // setting the bitmap once is enough; others are cloned!

     mObj[0].setTexture(bitmap);

     Dynamic1D sink = new Dynamic1D(2000,0.0f);

     sink.add(new Static1D( 1));

     sink.add(new Static1D(10));

     mObj[0].sink(sink, pLeft, RegionEye);

     mObj[0].sink(sink, pRight,RegionEye);

     mObj[1].distort(mDI, pNose1);

     Dynamic1D chromaDyn = new Dynamic1D(3000,0.0f);

     chromaDyn.add(new Static1D(0));

     chromaDyn.add(new Static1D(1));

     mObj[2].chroma(chromaDyn, new Static3D(0,1,0) );

     try

       {

       Distorted.onSurfaceCreated(mView.getContext());

       }

     catch(Exception ex)

       {

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

       }

     }

}