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.aroundtheworld;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.EffectType;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.FragmentEffectContrast;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.VertexEffectDistort;

import org.distorted.library.effect.VertexEffectPinch;

import org.distorted.library.effect.VertexEffectSink;

import org.distorted.library.effect.VertexEffectSwirl;

import org.distorted.library.main.Distorted;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.mesh.MeshFlat;

import org.distorted.library.main.DistortedTexture;

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 AroundTheWorldRenderer implements GLSurfaceView.Renderer

{

   private GLSurfaceView mView;

   private DistortedEffects mEffects;

   private DistortedTexture mTexture;

   private DistortedScreen mScreen;

   private MeshFlat mMesh;

   private AroundTheWorldEffectsManager mManager;

   private int mObjWidth, mObjHeight;

   private Static3D mMove, mScale;

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

   AroundTheWorldRenderer(GLSurfaceView view)

      {

      DistortedEffects.setMax(EffectType.VERTEX,12);

      DistortedEffects.setMax(EffectType.FRAGMENT,9);

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

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

      mView = view;

      mManager = new AroundTheWorldEffectsManager();

      mEffects = new DistortedEffects();

      mEffects.apply(new MatrixEffectMove(mMove));

      mEffects.apply(new MatrixEffectScale(mScale));

      mManager.apply(mEffects);

      mScreen = new DistortedScreen();

      mScreen.glClearColor(0.5f, 0.5f, 0.5f, 1.0f);

      }

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

   AroundTheWorldEffectsManager getManager()

     {

     return mManager;

     }

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

   public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render( System.currentTimeMillis() );

      }

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

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

      {

      if( (float)mObjHeight/mObjWidth > (float)height/width )

        {

        int w = (height*mObjWidth)/mObjHeight;

        float factor = (float)height/mObjHeight;

        mMove.set((width-w)/2,0,0);

        mScale.set(factor,factor,factor);

        }

      else

        {

        int h = (width*mObjHeight)/mObjWidth;

        float factor = (float)width/mObjWidth;

        mMove.set(0,(height-h)/2,0);

        mScale.set(factor,factor,factor);

        }

      mScreen.resize(width,height);

      }

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

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      Bitmap bitmap;

      try

        {

        bitmap = BitmapFactory.decodeStream(is);

        }

      finally

        {

        try

          {

          is.close();

          }

        catch(IOException e) { }

        }

      mObjWidth = bitmap.getWidth();

      mObjHeight= bitmap.getHeight();

      if( mTexture==null ) mTexture = new DistortedTexture(mObjWidth,mObjHeight);

      mTexture.setTexture(bitmap);

      if( mMesh==null ) mMesh = new MeshFlat(30,30*mObjHeight/mObjWidth);

      mScreen.detachAll();

      mScreen.attach(mTexture, mEffects, mMesh);

      VertexEffectDistort.enable();

      VertexEffectSink.enable();

      VertexEffectPinch.enable();

      VertexEffectSwirl.enable();

      FragmentEffectChroma.enable();

      FragmentEffectContrast.enable();

      try

        {

        Distorted.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

}