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.triblur;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.EffectQuality;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.PostprocessEffectBlur;

import org.distorted.library.main.Distorted;

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.main.MeshCubes;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class TriblurRenderer implements GLSurfaceView.Renderer

{

    private static final int NUM = 6; // 6 ints (x,y,z,R,G,B) each describe 1 object below

    private static final int[] OBJECTS =

        {

        -1, 0, 0, 255,   0,  0,  // x,y,z, R,G,B

         0, 0, 0, 255, 255,  0,  //

        +1, 0, 0,   0, 255,  0,  //

        };

    private static final int NUM_OBJECTS = OBJECTS.length/NUM;

    private static final int OBJ_SIZE    = 100;

    private GLSurfaceView mView;

    private DistortedTexture mTex;

    private DistortedNode[] mNode;

    private Static3D[]  mMoveVector;

    private Static3D[]  mChromaVector;

    private Static1D[]  mBlurVector;

    private DistortedScreen mScreen;

    private PostprocessEffectBlur[] mBlur;

    private FragmentEffectChroma[] mChroma;

    private int mDistance;

    private boolean[] mBlurStatus;

    private Static3D mMove1, mMove2, mScale1, mScale2, mCenter;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

    TriblurRenderer(GLSurfaceView v)

      {

      mView = v;

      mDistance = (int)(OBJ_SIZE*0.6f);

      MeshCubes mesh = new MeshCubes(1,1,1);

      mTex = new DistortedTexture(OBJ_SIZE,OBJ_SIZE);

      mQuat1 = new Static4D(0,0,0,1);  // unity

      mQuat2 = new Static4D(0,0,0,1);  // quaternions

      mScreen = new DistortedScreen();

      mScreen.setDebug(DistortedScreen.DEBUG_FPS);

      mBlurStatus   = new boolean[NUM_OBJECTS];

      mMoveVector   = new Static3D[NUM_OBJECTS];

      mChromaVector = new Static3D[NUM_OBJECTS];

      mBlurVector   = new Static1D[NUM_OBJECTS];

      mNode         = new DistortedNode[NUM_OBJECTS];

      mBlur         = new PostprocessEffectBlur[NUM_OBJECTS];

      mChroma       = new FragmentEffectChroma[NUM_OBJECTS];

      DistortedEffects[] effects= new DistortedEffects[NUM_OBJECTS];

      mMove1  = new Static3D(0,0,0);

      mMove2  = new Static3D(0,0,0);

      mScale1 = new Static3D(1,1,1);

      mScale2 = new Static3D(1.5f,1.5f,1.5f);

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

      MatrixEffectMove moveEffect1 = new MatrixEffectMove(mMove1);

      MatrixEffectMove moveEffect2 = new MatrixEffectMove(mMove2);

      MatrixEffectScale scaleEffect1 = new MatrixEffectScale(mScale1);

      MatrixEffectScale scaleEffect2 = new MatrixEffectScale(mScale2);

      MatrixEffectQuaternion quatEffect1 = new MatrixEffectQuaternion(mQuat1, mCenter);

      MatrixEffectQuaternion quatEffect2 = new MatrixEffectQuaternion(mQuat2, mCenter);

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

        {

        mMoveVector[i]   = new Static3D(0,0,0);

        mChromaVector[i] = new Static3D(OBJECTS[NUM*i+3],OBJECTS[NUM*i+4],OBJECTS[NUM*i+5]);

        mBlurVector[i]   = new Static1D(10);

        mBlur[i]         = new PostprocessEffectBlur(mBlurVector[i]);

        mChroma[i]       = new FragmentEffectChroma( new Static1D(0.3f), mChromaVector[i]);

        effects[i]       = new DistortedEffects();

        effects[i].apply(mBlur[i]);

        effects[i].apply(mChroma[i]);

        effects[i].apply( (i==0||i==NUM_OBJECTS-1) ?  moveEffect1 :  moveEffect2 );

        effects[i].apply( (i==0||i==NUM_OBJECTS-1) ? scaleEffect1 : scaleEffect2 );

        effects[i].apply(quatEffect1);

        effects[i].apply(quatEffect2);

        effects[i].apply(new MatrixEffectMove(mMoveVector[i]));

        mBlurStatus[i] = true;

        mNode[i] = new DistortedNode(mTex, effects[i], mesh );

        mScreen.attach(mNode[i]);

        }

      setQuality(EffectQuality.HIGH);

      }

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

    void setQuality(EffectQuality quality)

      {

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

        {

        mBlur[i].setQuality(quality);

        }

      }

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

    void setBackground(float r, float g, float b, float a)

      {

      mScreen.glClearColor(r,g,b,a);

      }

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

    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);

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        }

      finally 

        {

        try 

          {

          is.close();

          }

        catch(IOException e) { }

        }  

      mTex.setTexture(bitmap);

      PostprocessEffectBlur.enable();

      FragmentEffectChroma.enable();

      try

        {

        Distorted.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

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

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

      {

      mScreenMin = width<height ? width:height;

      float factor1 = 0.22f*mScreenMin/OBJ_SIZE;

      float factor2 = 1.50f*factor1;

      mScale1.set(factor1,factor1,factor1);

      mScale2.set(factor2,factor2,factor2);

      mCenter.set((float)OBJ_SIZE/2, (float)OBJ_SIZE/2, -(float)OBJ_SIZE/2 );

      mMove1.set( (width -factor1*OBJ_SIZE)/2 ,(height-factor1*OBJ_SIZE)/2 ,0);

      mMove2.set( (width -factor2*OBJ_SIZE)/2 ,(height-factor2*OBJ_SIZE)/2 ,0);

      computeMoveVectors();

      mScreen.resize(width, height);

      }

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

    private void computeMoveVectors()

      {

      float size= 0.026f*OBJ_SIZE*mDistance;

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

        {

        mMoveVector[i].set(size*OBJECTS[NUM*i], size*OBJECTS[NUM*i+1], size*OBJECTS[NUM*i+2]);

        }

      }

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

    void setRange(int object, int range)

      {

      if( object>=0 && object<NUM_OBJECTS )

        {

        mBlurVector[object].set(range / 2);

        }

      }

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

    boolean[] getChecked()

     {

     return mBlurStatus;

     }

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

    void setChecked(int object, boolean checked)

      {

      if( object>=0 && object<NUM_OBJECTS )

        {

        if( checked && !mBlurStatus[object] )

          {

          mBlurStatus[object] = true;

          mNode[object].getEffects().apply(mBlur[object]);

          }

        if( !checked && mBlurStatus[object] )

          {

          mBlurStatus[object] = false;

          mNode[object].getEffects().abortEffect(mBlur[object]);

          }

        }

      else

        {

        android.util.Log.e("renderer", "Error, number: "+object+" checked: "+checked );

        }

      //android.util.Log.d("renderer", "setting box "+number+" BLUR state to "+checked);

      }

}