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.DistortedBitmap;

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.Static2D;

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 DistortedBitmap[] bmp;

   private Static2D pLeft, pRight, pNose1;

   private Static4D RegionEye;

   private Dynamic3D mDI;

   private int bmpHeight, bmpWidth;

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

   DifferentEffectsRenderer(GLSurfaceView v)

      {     

      mView = v;

      // bmp[0] effects

      pLeft = new Static2D(214, 206);

      pRight= new Static2D(390, 212);

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

      // bmp[1] effects

      mDI = new Dynamic3D(1000,0.0f);

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

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

      pNose1 = new Static2D(305, 340);

      // 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--) bmp[i].draw(time);

      }

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

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

      { 

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

        {   

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

        }

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

        {

        int w = (height*bmpWidth)/bmpHeight;

        float factor = (float)height/bmpHeight;

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

          {

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

          bmp[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--) 

          {

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

          bmp[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();

      bmp = new DistortedBitmap[NUM];

      bmp[0] = new DistortedBitmap(bmpWidth, bmpHeight, 30);

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

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

      bmp[0].setBitmap(bitmap);

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

      sink.add(new Static1D( 1));

      sink.add(new Static1D(10));

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

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

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

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

      chromaDyn.add(new Static1D(0));

      chromaDyn.add(new Static1D(1));

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

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

}