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.effectqueue;

import android.app.ActivityManager;

import android.content.Context;

import android.content.pm.ConfigurationInfo;

import android.opengl.GLSurfaceView;

import android.view.MotionEvent;

import android.util.AttributeSet;

import org.distorted.library.effect.Effect;

import org.distorted.library.effect.FragmentEffectAlpha;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.FragmentEffectSaturation;

import org.distorted.library.effect.VertexEffectDistort;

import org.distorted.library.effect.VertexEffectSink;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import org.distorted.library.type.Dynamic3D;

import static org.distorted.examples.effectqueue.EffectQueueRenderer.*;

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

public class EffectQueueSurfaceView extends GLSurfaceView

  {

  private static final float RADIUS = 0.15f;

  private EffectQueueRenderer mRenderer;

  private int mCurrentEffect;

  private int mScrW, mScrH;

  private final Dynamic1D mInterA;

    private final Dynamic1D mInterB;

    private final Dynamic1D mInterC;

    private final Dynamic1D mInterS;

  private final Dynamic3D mInterD;

  private final static Static3D RED      = new Static3D(1,0,0);

  private final static Static3D REGION_F = new Static3D(RADIUS,RADIUS,RADIUS);

  private final static Static4D REGION_V = new Static4D(0,0,0,RADIUS);

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

  public EffectQueueSurfaceView(Context context, AttributeSet attrs)

    {

    super(context, attrs);

    int duration = 10000;

    float count  = 1.0f;

    float h = 50.0f/BWID;

    float r = 20.0f/BWID;

    mInterD = new Dynamic3D(duration,count);

    mInterD.add(new Static3D( 0, r, h ));

    mInterD.add(new Static3D(-r, 0, h ));

    mInterD.add(new Static3D( 0,-r, h ));

    mInterD.add(new Static3D( r, 0, h ));

    mInterA = new Dynamic1D(duration,count);

    mInterA.add(new Static1D(1));

    mInterA.add(new Static1D(0));

    mInterS = new Dynamic1D(duration,count);

    mInterS.add(new Static1D(1.0f));

    mInterS.add(new Static1D(0.3f));

    mInterC = new Dynamic1D(duration,count);

    mInterC.add(new Static1D(1));

    mInterC.add(new Static1D(0));

    mInterB = new Dynamic1D(duration,count);

    mInterB.add(new Static1D(0));

    mInterB.add(new Static1D(1));

    if(!isInEditMode())

      {

      setFocusable(true);

      setFocusableInTouchMode(true);

      mRenderer = new EffectQueueRenderer(this);

      final ActivityManager activityManager     = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

      final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();

      setEGLContextClientVersion( (configurationInfo.reqGlEsVersion>>16) >= 3 ? 3:2 );

      setRenderer(mRenderer);

      setEffect(0);

      }

    }

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

  EffectQueueRenderer getRenderer()

    {

    return mRenderer;

    }

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

  public void setScreenSize(int width, int height)

    {

    mScrW = width;

    mScrH = height;

    }

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

  public void setEffect(int effect)

    {

    mCurrentEffect = effect;

    }

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

  @Override

  public boolean onTouchEvent(MotionEvent event)

    {

    int action = event.getAction();

    Effect effect;

    boolean success;

    float x,y;

    if(action==MotionEvent.ACTION_DOWN)

      {

      x = event.getX()/mScrW - 0.5f;

      y = 0.5f - event.getY()/mScrH;

      EffectQueueActivity act = (EffectQueueActivity)getContext();

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

      switch(mCurrentEffect)

        {

        case 0: effect = new VertexEffectDistort     (mInterD,      center, REGION_V);

                success= mRenderer.getEffects().apply(effect);

                act.effectAdded(success,effect);

                break;

        case 1: effect = new VertexEffectSink        (mInterS,      center, REGION_V);

                success= mRenderer.getEffects().apply(effect);

                act.effectAdded(success,effect);

                break;

        case 2: effect = new FragmentEffectAlpha     (mInterA,      center, REGION_F, true);

                success= mRenderer.getEffects().apply(effect);

                act.effectAdded(success,effect);

                break;

        case 3: effect = new FragmentEffectSaturation(mInterB,      center, REGION_F, false);

                success= mRenderer.getEffects().apply(effect);

                act.effectAdded(success,effect);

                break;

        case 4: effect = new FragmentEffectChroma    (mInterC, RED, center, REGION_F, true);

                success= mRenderer.getEffects().apply(effect);

                act.effectAdded(success,effect);

                break;

        }

      }

    return true;

    }

  }