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.catanddog;

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.DistortedEffects;

import org.distorted.library.DistortedFramebuffer;

import org.distorted.library.DistortedTexture;

import org.distorted.library.GridFlat;

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 CatAndDogRenderer implements GLSurfaceView.Renderer

{

    private GLSurfaceView mView;

    private DistortedEffects mEffects;

    private DistortedTexture mTexture;

    private GridFlat mGrid;

    private DistortedFramebuffer mScreen;

    private int bmpHeight, bmpWidth;

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

    CatAndDogRenderer(GLSurfaceView v)

      {   

      mView = v;

      mGrid   = new GridFlat(1,1);  // no vertex effects, grid can be a (1x1) quad.

      mEffects = new DistortedEffects();

      Static4D chromaRegion= new Static4D( 530, 200,100,100);

      Static4D alphaRegion = new Static4D( 230, 200,100,100);

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

      chromaDyn.add(new Static1D(1));

      chromaDyn.add(new Static1D(0));

      mEffects.chroma(chromaDyn, new Static3D(1,0,0), chromaRegion ,true);

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

      alphaDyn.add(new Static1D(1));

      alphaDyn.add(new Static1D(0));

      mEffects.alpha( alphaDyn, alphaRegion, false );

      mScreen = new DistortedFramebuffer(0);

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

      mScreen.renderTo(mTexture, mGrid, mEffects, System.currentTimeMillis() );

      }

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

    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.cat_and_dog);

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        } 

      finally 

        {

        try 

          {

          is.close();

          } 

        catch(IOException e) { }

        }  

      bmpHeight = bitmap.getHeight();

      bmpWidth  = bitmap.getWidth();

      mTexture = new DistortedTexture(bmpWidth,bmpHeight);

      mTexture.setTexture(bitmap);

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

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

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

      {

      int duration = 10000;   // 10 seconds

      Dynamic3D diMove = new Dynamic3D(duration,0.0f);

      diMove.add(new Static3D(width-bmpWidth,height-bmpHeight,0));

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

      Dynamic3D diScale = new Dynamic3D(duration,0.0f);

      diScale.add(new Static3D(1,1,1));

      diScale.add(new Static3D(0.33f,0.33f,1));

      Dynamic1D diRotate = new Dynamic1D(duration,0.0f);

      diRotate.add(new Static1D(  0));

      diRotate.add(new Static1D(360));

      mEffects.abortEffects(EffectTypes.MATRIX);

      mEffects.move(diMove);

      mEffects.scale(diScale);

      mEffects.rotate( diRotate, new Static3D(0,0,1), new Static3D(bmpWidth/2,bmpHeight/2,0) );

      mScreen.resize(width, height);

      }

}