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.DistortedNode;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedBitmap;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Static2D;

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 DistortedBitmap mLisa, mText;

   private int lisaHeight, lisaWidth;

   private DistortedNode mRoot;

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

   public FBORenderer(GLSurfaceView v) 

      {

      mView = v;

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

      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) 

      { 

      mLisa.abortEffects(EffectTypes.MATRIX);

      if( lisaHeight/lisaWidth > height/width )

        {

        int w = (height*lisaWidth)/lisaHeight;

        float factor = (float)height/lisaHeight;

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

        mLisa.scale( new Static3D(factor,factor,factor));

        }

      else

        {

        int h = (width*lisaHeight)/lisaWidth;

        float factor = (float)width/lisaWidth;

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

        mLisa.scale( new Static3D(factor,factor,factor) );

        }

      Distorted.onSurfaceChanged(width, height); 

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      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) { }

        }  

      lisaHeight = bitmap1.getHeight();

      lisaWidth  = bitmap1.getWidth();

      mLisa = new DistortedBitmap(bitmap1, 20);

      mText = new DistortedBitmap(bitmap2, 20);

      mRoot = new DistortedNode(mLisa);

      mRoot.attach(mText);

      int textWidth  = mText.getWidth();

      int textHeight = mText.getHeight();

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

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

      mText.scale( new Static3D(factor,factor,factor) );

      mText.sink(0.5f, new Static2D( textWidth/2, textHeight/2), 5000, 0.0f);

      mLisa.macroblock(4, 10000, 0.0f);

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

}