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/>.                            //

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import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Paint.Style;

import android.opengl.GLSurfaceView;

import android.view.MotionEvent;

import android.util.AttributeSet;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

public class MovingEffectsSurfaceView extends GLSurfaceView

    {

    private static final int LOOP_TIME = 5000;

    public static final int EFFECT_POINTS=0;

    public static final int EFFECT_BUBBLE=1;

    public static final int EFFECT_SINK  =2;

    public static final int EFFECT_TRANS =3;

    private Dynamic4D mRegion;

    private Paint mPaint;

    private int moving;

    private long mTime = 0;

    private int mSize1, mSize2, mSizeR;

    private int mMax;

    public MovingEffectsSurfaceView(Context c, AttributeSet attrs) 

      {

      super(c, attrs);

      mPaint = new Paint();

      mPaint.setStyle(Style.FILL);

      moving = -1;

        {

        setFocusable(true);

        setFocusableInTouchMode(true);

        setEGLContextClientVersion(2);

      }

      mSize1 = mMax/200;

      mSize2 = mMax/80;

      mSizeR = mMax/6;

      dr = new Static4D(0,0, mSizeR,mSizeR);

      return mCurrEffect;

      }

      if( mCurrEffect==EFFECT_BUBBLE ) return;     

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        q.distort( new Static3D(0,0,mMax/10) , di3D, dr);

        }

      }

      if( mCurrEffect==EFFECT_SINK ) return; 

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        q.sink(new Static1D(10), di3D, dr);

        }

      }

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        q.chroma(new Static1D(0.5f), new Static3D(1,0,0), mRegion, true);

      }

      if( mCurrEffect==EFFECT_TRANS ) return;   

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        q.alpha(new Static1D(0.5f), mRegion, true);

        }

      }

      if( mCurrEffect==EFFECT_SWIRL ) return;   

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        q.swirl( new Static1D(30), di3D, dr);

        }

      }

      synchronized(lock)

        {

        q.abortEffects(EffectTypes.VERTEX);

        q.abortEffects(EffectTypes.FRAGMENT);

        }

      }

      synchronized(lock)

        {  

        Static3D cu;

        if( len>=2 )

          {

          for(int i=0; i<NUM_POINTS; i++)

                               : 0xff - (lit+NUM_POINTS-i)*0xff/(NUM_POINTS-1);

            mPaint.setColor( 0xffffff + ((color&0xff)<<24) );  

          }

        mPaint.setColor(0xffff0000);

        for(int curr=0; curr<len; curr++)

          {       

        if( time-mTime > LOOP_TIME ) mTime = time;

        }

      }

    @Override public boolean onTouchEvent(MotionEvent event) 

      {

      if( mCurrEffect!=EFFECT_POINTS ) return true;   

      int xDown, yDown;

        {

                                      yDown = (int)event.getY();

                                      float gx, gy;

                                      for(int g=0; g<len; g++)

                                        {

                                        gy = dv.getY();

                                          moving = g;

                                          break;

                                          }

                                        }

                                      if( moving<0 )

                                        {

                                        synchronized(lock)

                                          {

                                        } 

                                      break;

        case MotionEvent.ACTION_MOVE: if( moving>=0 )

                                        {

                                        yDown = (int)event.getY();

                                      break;

        case MotionEvent.ACTION_UP  : moving = -1;

                                      break;

        }

      return true;

      }

  }