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.mirror;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedFramebuffer;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class MirrorRenderer implements GLSurfaceView.Renderer

{

                                                        // the length of the previous one

   private GLSurfaceView mView;

   private DistortedEffects mEffectsOffscreen1, mEffectsOffscreen2;

   private DistortedScreen mScreen;

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

   MirrorRenderer(GLSurfaceView view)

      { 

      mView    = view;

      mEffectsHead      = new DistortedEffects();

      mEffectsOffscreen1= new DistortedEffects();

      mEffectsOffscreen2= new DistortedEffects();

      mEffectsNull      = new DistortedEffects();

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

      mMoveOffscreen2  = new Static3D(0,0,0);

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

      mEffectsMirror.apply( new MatrixEffectScale(mScaleMirror));

      mEffectsOffscreen1.apply( new MatrixEffectScale( new Static3D(MIRROR_SCALE,MIRROR_SCALE,MIRROR_SCALE)));

      mEffectsOffscreen2.apply( new MatrixEffectMove(mMoveOffscreen2) );

      mEffectsHead.apply( new MatrixEffectMove(mHeadPosition) );

      mEffectsHead.apply( new MatrixEffectScale(mScaleHead) );

      mEffectsOffscreen1.apply(new FragmentEffectBrightness(new Static1D(MIRROR_BRIGHTNESS)));

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

   void setPosition(int pos)

      {

      float headW = (HEAD_SCALE *mScreenH* mHeadW) / (mScreenW* mHeadH);

      mHeadPosition.set1(mX*(1.0f-2*MIRROR_MARGIN-headW)*mScreenW / 100.0f + MIRROR_MARGIN*mScreenW);

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

   public void onResume()

     {

     mScreenW = 0;

     mScreenH = 0;

     }

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

   public void onDrawFrame(GL10 glUnused) 

      {

      long time = System.currentTimeMillis();

      mOffScreen2.render(time);

      mScreen.render(time);

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

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

      {

      if( mScreenW!=width || mScreenH!=height)

        {

        mScreenW = width;

        mScreenH = height;

        if( mOffScreen2!=null ) mOffScreen2.markForDeletion();

        mOffScreen2 = new DistortedFramebuffer( (int)(MIRROR_SCALE*mScreenW), (int)(MIRROR_SCALE*mScreenH), 1, DistortedFramebuffer.NO_DEPTH_NO_STENCIL );

        mMoveOffscreen2.set( MIRROR_MOVE*mScreenW, MIRROR_MOVE*mScreenH*mMirrorW/mMirrorH, 0);

        mOffScreen1.attach( mTextureHead  , mEffectsHead      , mQuad );

        mOffScreen2.attach( mOffScreen1   , mEffectsOffscreen1, mQuad );

        mScreen.detachAll();

        }

      }

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

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      InputStream isM = mView.getContext().getResources().openRawResource(R.raw.mirror);

      try

        {

        bitmapM = BitmapFactory.decodeStream(isM);

      finally

        {

        try

          {

          isM.close();

        catch(IOException e) { }

        }

      mMirrorH = bitmapM.getHeight();

      mHeadW   = bitmapH.getWidth();

      mHeadH   = bitmapH.getHeight();

      mTextureMirror.setTexture(bitmapM);

        {

      catch(Exception ex)

        {

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

        }

      }

}