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/>.                            //

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

import java.io.IOException;

import java.io.InputStream;

import java.util.Random;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.library.Interpolator1D;

import org.distorted.library.Interpolator3D;

import org.distorted.library.DistortedNode;

import org.distorted.library.Float1D;

import org.distorted.library.Float2D;

import org.distorted.library.Float3D;

import org.distorted.library.Float4D;

import org.distorted.library.EffectListener;

import org.distorted.library.EffectMessage;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedBitmap;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Typeface;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

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

class StarWarsRenderer implements GLSurfaceView.Renderer, EffectListener

  private final String[] mGFFAString = 

            { "A long time ago, in a galaxy far,",

              "far away...." };                    // yes, there really was a four-dot ellipsis

            { "It is a period of civil war.",      // in the original 1977 version, there was no 

              "Rebel spaceships, striking",        // 'Episode IV New Hope' subtitle line before

              "from a hidden base, have",          // the crawl. Lets keep to the classic.

              "won their first victory",

              "against the evil Galactic",

              "Empire.",

              "",

              "During the battle, rebel",

              "spies managed to steal",

              "secret plans to the Empire's",

              "ultimate weapon, the",

              "DEATH STAR, an armored",

              "space station with enough",

              "power to destroy an entire",

              "planet.",

              "",

              "Pursued by the Empire's",

              "sinister agents, Princess",

              "Leia races home aboard her",

              "starship, custodian of the",

              "stolen plans that can save",

              "her people and restore",

              "freedom to the galaxy...." };      // four-dot.

  private final int GFFA_COLOR  = 0xff0000ff;

  private final int FONT_HEIGHT      = 40;

  private final int VERTICAL_SPACING = 10;

  private final String CRAWL_TYPEFACE = "News Gothic";

  private final int CRAWL_HEIGHT= (FONT_HEIGHT+VERTICAL_SPACING)*(mCRAWLString.length+1);

  private final int GFFA_HEIGHT= (FONT_HEIGHT+VERTICAL_SPACING)*(mGFFAString.length+1);

  private DistortedBitmap mScreen, mGFFA, mLogo, mCrawl, mCrawlBackground;

  private DistortedBitmap[] mStars;

  private long gffaID, logoID, crawlID;

  private DistortedNode mRoot, mBackground;

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

    {

    mView = v;

    }

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

    {

    GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

    GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

    }

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

    { 

    Distorted.onSurfaceChanged(width, height); 

    setupScreen(width,height);

    }

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

    {

    setupBitmaps();

      {

      Distorted.onSurfaceCreated(mView.getContext());

      }

    catch(Exception ex)

      {

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

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

    {

    mScreen = new DistortedBitmap(w,h,1);

    mRoot = new DistortedNode(mScreen);

    float randomS, randomAlpha1, randomAlpha2;

      {

      randomX = mRnd.nextInt(w);

      randomY = mRnd.nextInt(h);

      randomS = 0.2f+ mRnd.nextFloat();

      randomA = (int)(180*mRnd.nextFloat());

      randomAlpha1 = 0.2f + 0.8f*mRnd.nextFloat();

      randomAlpha2 = 0.8f + 0.2f*mRnd.nextFloat();

      randomTime = 500+mRnd.nextInt(2000);

      mStars[i].scale(randomS);

      mStars[i].rotate( rot, randomA);

      Interpolator1D di = new Interpolator1D();

      di.setCount(0.0f);

      di.setNoise(0.3f);

      di.add(new Float1D(randomAlpha1));

      di.add(new Float1D(randomAlpha2));

    float scale = (0.5f*w/mGFFA.getWidth());

    Interpolator1D di = new Interpolator1D();

    di.setDuration(6000);

    di.setCount(0.5f);

    di.add(new Float1D(1.0f));

    di.add(new Float1D(1.0f));

    di.add(new Float1D(0.0f));

    mGFFA.move( w/5, h/3, 0);

    mGFFA.scale(scale);

    mGFFA.alpha(di, null, new Float2D(0,0));

    mRoot.attach(mGFFA);

    mGFFA.addEventListener(this); 

    }

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

    {

    InputStream is1 = mView.getContext().getResources().openRawResource(R.raw.starwars);

    InputStream is2 = mView.getContext().getResources().openRawResource(R.raw.star);

    try 

      {

      bitmapLogo = BitmapFactory.decodeStream(is1);

      bitmapStar = BitmapFactory.decodeStream(is2);

      } 

    finally 

      {

        {

        is2.close();

      } 

    paint.setAntiAlias(true);

    paint.setTextAlign(Paint.Align.LEFT);

    paint.setTextSize(FONT_HEIGHT);

    paint.setColor(GFFA_COLOR);

    paint.setTypeface(tf);     

    mGFFA  = new DistortedBitmap(GFFA_WIDTH, GFFA_HEIGHT, 1);

    bitmapGFFA = Bitmap.createBitmap(GFFA_WIDTH,GFFA_HEIGHT,Bitmap.Config.ARGB_8888);

    bitmapGFFA.eraseColor(0x00000000);

    Canvas gffaCanvas = new Canvas(bitmapGFFA);

      {

      gffaCanvas.drawText(mGFFAString[i], 0, (i+1)*(FONT_HEIGHT+VERTICAL_SPACING), paint);  

      }

    mLogo  = new DistortedBitmap(bitmapLogo, 1);

    mCrawl = new DistortedBitmap(CRAWL_WIDTH, CRAWL_HEIGHT, 1);

    bitmapText = Bitmap.createBitmap(CRAWL_WIDTH,CRAWL_HEIGHT,Bitmap.Config.ARGB_8888);

    bitmapText.eraseColor(0x00000000);

    Canvas textCanvas = new Canvas(bitmapText);

    paint.setColor(CRAWL_COLOR);

      {

      displayJustified(mCRAWLString[i], 0, (i+1)*(FONT_HEIGHT+VERTICAL_SPACING), CRAWL_WIDTH, textCanvas, paint);  

      }

      {

      mStars[i] = new DistortedBitmap(mStars[0], Distorted.CLONE_BITMAP|Distorted.CLONE_VERTEX);  

    gffaID = mGFFA.getID();

    logoID = mLogo.getID();

    crawlID= mCrawl.getID();

    }

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

    { 

    int len       = str.length();

    int numspaces = retNumSpaces(str);

    String tmp;

    int begin,end=0;

      {

      begin=end;

      end = str.indexOf(' ', begin)+1;

      if( end<=0 ) end = len;

      c.drawText( tmp, left, y, paint);

      left+= (paint.measureText(tmp)+w);

      }  

    }

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

    {

    int begin=0, ret=0;

      {

      begin = str.indexOf(' ', begin) +1;

      else break;

    return ret;

    }

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

    {

    if( em==EffectMessage.EFFECT_FINISHED )

        mGFFA.removeEventListener(this);

        int screenH=mScreen.getHeight();

        int logoH = mLogo.getHeight();

        int finaSize= (int)(0.1f*screenW/logoW);

        di.add(new Float3D(finaSize,finaSize,1));

        di.setCount(0.5f);

        di.setDuration(10000);

        mLogo.scale(di);

        mLogo.move( -logoW/2, -logoH/2, 0);

        mLogo.addEventListener(this);

        }

      else if( bitmapID==logoID )

        {

        mRoot.detach(mLogo);   

        mLogo.removeEventListener(this);

        int crawlH = mCrawl.getHeight();

        int screenW= mScreen.getWidth();

        int screenH= mScreen.getHeight();

        int backH  = mCrawlBackground.getHeight();

        float scale= (float)screenW/crawlW;

        Interpolator3D di = new Interpolator3D();

        di.setCount(0.5f);

        di.setDuration(60000);

        di.add(new Float3D(screenW/2,+backH       , 0));

        di.add(new Float3D(screenW/2,-scale*crawlH, 0));

        mCrawlBackground.rotate(new Float3D(screenW/2,backH,0), CRAWL_ANGLE, 1.0f, 0.0f, 0.0f);

        mCrawlBackground.smooth_alpha((1-transpDistance/2)*1.0f, new Float4D(0,0,transpDistance*backH,transpDistance*backH), new Float2D(screenW/2,(1-transpDistance)*backH));

        mCrawl.scale(scale);

        mCrawl.move(-crawlW/2,0,0);

        mBackground.attach(mCrawl);

        mCrawl.addEventListener(this);

        }

      else if( bitmapID==crawlID )

        {

        mRoot.detach(mBackground);

        mBackground.detach(mCrawl);

        mCrawl.removeEventListener(this);

      }

  }