Distorted Android

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// 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.effect.FragmentEffectAlpha;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectRotate;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshQuad;

import org.distorted.library.type.Dynamic;

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 android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

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

class CatAndDogRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener

{

    private GLSurfaceView mView;

    private DistortedTexture mTexture;

    private DistortedScreen mScreen;

    private Static3D mScaleStart, mScaleEnd, mMoveStart, mMoveEnd;

    private float mBmpRatio;

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

    CatAndDogRenderer(GLSurfaceView v)

      {

      final int DURATION_CHROMA_ALPHA   =  3000;

      final int DURATION_MATRIX_EFFECTS = 10000;

      mView = v;

      DistortedEffects effects = new DistortedEffects();

      mScaleStart= new Static3D(1,1,1);

      mScaleEnd  = new Static3D(1,1,1);

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

      diScale.add(mScaleStart);

      diScale.add(mScaleEnd  );

      diScale.add(mScaleStart);

      diScale.setMode(Dynamic.MODE_PATH);

      effects.apply( new MatrixEffectScale( diScale ));

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

      diRotate.add(new Static1D(  0));

      diRotate.add(new Static1D(360));

      effects.apply( new MatrixEffectRotate( diRotate, new Static3D(0,0,1), new Static3D(0,0,0)) );

      mMoveStart= new Static3D(0,0,0);

      mMoveEnd  = new Static3D(0,0,0);

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

      diMove.add( mMoveStart );

      diMove.add( mMoveEnd   );

      effects.apply( new MatrixEffectMove( diMove ));

      Dynamic1D diChroma = new Dynamic1D(DURATION_CHROMA_ALPHA,0.0f);

      diChroma.add(new Static1D(1));

      diChroma.add(new Static1D(0));

      Static3D chromaCenter= new Static3D( -0.25f, 0, 0 );

      Static3D chromaRegion= new Static3D( 0.2f, 0.3f, 0.2f );

      effects.apply( new FragmentEffectChroma( diChroma, new Static3D(1,0,0), chromaCenter, chromaRegion ,true) );

      Dynamic1D diAlpha = new Dynamic1D(DURATION_CHROMA_ALPHA,0.0f);

      diAlpha.add(new Static1D(1));

      diAlpha.add(new Static1D(0));

      Static3D alphaCenter = new Static3D( +0.25f, 0, 0 );

      Static3D alphaRegion = new Static3D( 0.2f, 0.3f, 0.2f );

      effects.apply( new FragmentEffectAlpha( diAlpha, alphaCenter, alphaRegion, false) );

      mTexture = new DistortedTexture();

      mScreen  = new DistortedScreen();

      mScreen.attach(mTexture,effects,new MeshQuad());

      }

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

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

      {

      final float SCALE_START = 0.3f;

      final float SCALE_END   = 0.6f;

      float min= (width>height ? height : width);

      mScaleStart.set( SCALE_START*min, SCALE_START*min*mBmpRatio, 1 );

      mScaleEnd  .set( SCALE_END  *min, SCALE_END  *min*mBmpRatio, 1 );

      mMoveStart.set( 0.5f*width - (SCALE_START/2)*min ,  0.5f*height - SCALE_START/2*min*mBmpRatio, 0);

      mMoveEnd  .set(-0.5f*width + (SCALE_START/2)*min , -0.5f*height + SCALE_START/2*min*mBmpRatio, 0);

      mScreen.resize(width, height);

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render( System.currentTimeMillis() );

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      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) { }

        }  

      mBmpRatio = (float)bitmap.getHeight()/bitmap.getWidth();

      mTexture.setTexture(bitmap);

      FragmentEffectChroma.enable();

      FragmentEffectAlpha.enable();

      DistortedLibrary.onCreate(mView.getContext(),this);

      }

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

    public void distortedException(Exception ex)

      {

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

      }

}