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.postprocesstree;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

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.effect.PostprocessEffectBlur;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedNode;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshQuad;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Dynamic2D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static2D;

import org.distorted.library.type.Static3D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class PostprocessTreeRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener

{

   private static final int LEAF_SIZE = 100;

   private static final int NUM_LEAVES  = 8;

   private GLSurfaceView mView;

   private DistortedTexture mLeaf;

   private DistortedScreen mScreen;

   private Static3D mScale;

   private Static2D mHaloRadius;

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

   PostprocessTreeRenderer(GLSurfaceView v)

      {     

      mView = v;

      final int OUTER = 9;

      final int INNER = 4;

      mHaloRadius = new Static2D(30,5);

      Dynamic2D haloRadiusDyn = new Dynamic2D();

      haloRadiusDyn.add(mHaloRadius);

      PostprocessEffectBlur blurEffect = new PostprocessEffectBlur(haloRadiusDyn);

      mLeaf = new DistortedTexture();

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

      MeshQuad mesh = new MeshQuad();

      DistortedEffects rootEffects  = new DistortedEffects();

      DistortedEffects innerEffects = new DistortedEffects();

      DistortedEffects[] innerLeafEffects= new DistortedEffects[NUM_LEAVES];

      DistortedEffects[] outerLeafEffects= new DistortedEffects[NUM_LEAVES];

      DistortedNode root = new DistortedNode(new DistortedTexture(), rootEffects, mesh);

      root.resizeFBO(OUTER*LEAF_SIZE,OUTER*LEAF_SIZE);

      rootEffects.apply(new MatrixEffectScale(mScale));

      rootEffects.apply(blurEffect);

      Dynamic1D rotate = new Dynamic1D(5000,0.0f);

      rotate.setMode(Dynamic1D.MODE_JUMP);

      rotate.add(new Static1D(  0));

      rotate.add(new Static1D(360));

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

      Static3D axis   = new Static3D(0,0,1);

      Static3D innerMoveVector = new Static3D( (1-INNER)*LEAF_SIZE*0.5f, 0, 0);

      Static3D outerMoveVector = new Static3D( (4-OUTER)*LEAF_SIZE*0.5f, 0, 0);

      for(int j=0; j<NUM_LEAVES; j++)

        {

        outerLeafEffects[j] = new DistortedEffects();

        outerLeafEffects[j].apply( new MatrixEffectScale(LEAF_SIZE) );

        outerLeafEffects[j].apply( new MatrixEffectMove(outerMoveVector));

        outerLeafEffects[j].apply( new MatrixEffectRotate(new Static1D(j*(360/NUM_LEAVES)), axis, center) );

        root.attach(mLeaf, outerLeafEffects[j], mesh);

        }

      innerEffects.apply( new MatrixEffectScale(INNER*LEAF_SIZE) );

      innerEffects.apply( new MatrixEffectRotate(rotate, axis, center) );

      innerEffects.apply( new FragmentEffectChroma(new Static1D(0.5f), new Static3D(1,0,0) ) );

      innerEffects.apply(blurEffect);

      DistortedNode innerNode = new DistortedNode( new DistortedTexture(), innerEffects, mesh);

      innerNode.resizeFBO(INNER*LEAF_SIZE,INNER*LEAF_SIZE);

      root.attach(innerNode);

      for(int j=0; j<NUM_LEAVES; j++)

        {

        innerLeafEffects[j] = new DistortedEffects();

        innerLeafEffects[j].apply( new MatrixEffectScale(LEAF_SIZE) );

        innerLeafEffects[j].apply(new MatrixEffectMove(innerMoveVector));

        innerLeafEffects[j].apply( new MatrixEffectRotate(new Static1D(j*(360/NUM_LEAVES)), axis, center) );

        innerNode.attach( mLeaf, innerLeafEffects[j], mesh );

        }

      mScreen = new DistortedScreen();

      mScreen.attach(root);

      }

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

   int setBlur(int blur)

     {

     int radius = blur/2;

     mHaloRadius.set1(radius);

     return radius;

     }

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

   public void onDrawFrame(GL10 glUnused)

     {

     mScreen.render(System.currentTimeMillis());

     }

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

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

     {

     float horiRatio = (float)width ;

     float vertRatio = (float)height;

     float factor    = Math.min(horiRatio, vertRatio);

     mScale.set(factor,factor,factor);

     mScreen.resize(width, height);

     }

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

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config)

     {

     InputStream is = mView.getContext().getResources().openRawResource(R.raw.leaf);

     Bitmap leaf;

     try

       {

       leaf = BitmapFactory.decodeStream(is);

       }

     finally

       {

       try

         {

         is.close();

         }

       catch(IOException e) { }

       }

     mLeaf.setTexture(leaf);

     FragmentEffectChroma.enable();

     PostprocessEffectBlur.enable();

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

     }

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

   public void distortedException(Exception ex)

     {

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

     }

}