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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package org.distorted.examples.olimpic;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.examples.R;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Interpolator1D;

import org.distorted.library.DistortedNode;

import org.distorted.library.type.Float3D;

import org.distorted.library.type.Float1D;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedBitmap;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

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

class OlimpicRenderer implements GLSurfaceView.Renderer 

{

   private static final int LEAF_SIZE = 100;

   private static final int NUM_CIRCLES = 5;

   private static final int NUM_LEAVES = 8;  

   private GLSurfaceView mView;

   private DistortedNode[] mCircleNode;

   private DistortedNode mScreen;

   private DistortedBitmap mLeaf;

   private Interpolator1D mRot;

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

   public OlimpicRenderer(GLSurfaceView v) 

      {     

      mView = v;

      mLeaf = new DistortedBitmap(LEAF_SIZE,LEAF_SIZE,1);

      mScreen = new DistortedNode(new DistortedBitmap(9*LEAF_SIZE,9*LEAF_SIZE,1));

      mRot = new Interpolator1D();

      mRot.setMode(Interpolator1D.MODE_JUMP);

      mRot.setCount(0.0f);

      mRot.setDuration(5000);

      mRot.add(new Float1D(  0));

      mRot.add(new Float1D(360));

      mCircleNode = new DistortedNode[NUM_CIRCLES];

      int[] colors    = new int[] {0,0,1,  0,0,0,  1,0,0,  1,1,0,  0,1,0}; // blue, black, red, yellow, green  

      int[] positions = new int[] {0*LEAF_SIZE,2*LEAF_SIZE,  3*LEAF_SIZE,2*LEAF_SIZE,  6*LEAF_SIZE,2*LEAF_SIZE,  3*LEAF_SIZE/2,9*LEAF_SIZE/2,  9*LEAF_SIZE/2,9*LEAF_SIZE/2};

      DistortedBitmap tmp;

      Float3D center = new Float3D(3*LEAF_SIZE/2, 3*LEAF_SIZE/2, 0);

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

        {

        if( i==0 )

          {

          mCircleNode[i] = new DistortedNode(new DistortedBitmap(3*LEAF_SIZE,3*LEAF_SIZE,1));

          for(int j=0; j<NUM_LEAVES; j++)

            {

            tmp = new DistortedBitmap(mLeaf, Distorted.CLONE_BITMAP);

            mCircleNode[i].attach(tmp);

            tmp.rotate(center, j*(360/NUM_LEAVES)); 

            tmp.move(0,LEAF_SIZE,0);

            }

          }

        else

          {

          mCircleNode[i] = new DistortedNode(mCircleNode[0], Distorted.CLONE_BITMAP|Distorted.CLONE_CHILDREN); 

          }

        mScreen.attach(mCircleNode[i]);

        tmp = (DistortedBitmap)mCircleNode[i].getObject();

        tmp.move(positions[2*i], positions[2*i+1], 0);

        tmp.rotate( center, mRot, 0.0f, 0.0f, 1.0f);

        tmp.chroma(0.8f, new Float3D(colors[3*i],colors[3*i+1], colors[3*i+2]));

        }

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

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

      mScreen.draw(System.currentTimeMillis());

      }

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

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

      {

      DistortedBitmap bmp = (DistortedBitmap)mScreen.getObject();

      int bmpWidth  = bmp.getWidth();

      int bmpHeight = bmp.getHeight();

      bmp.abortEffects(EffectTypes.MATRIX);

      if( bmpHeight/bmpWidth > height/width )

        {

        int w = (height*bmpWidth)/bmpHeight;

        bmp.move((width-w)/2 ,0, 0);

        bmp.scale((float)height/bmpHeight);

        }

      else

        {

        int h = (width*bmpHeight)/bmpWidth;

        bmp.move(0 ,(height-h)/2, 0);

        bmp.scale((float)width/bmpWidth);

        }

      Distorted.onSurfaceChanged(width, height); 

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      Bitmap leaf;

      try 

        {

        leaf = BitmapFactory.decodeStream(is);

        } 

      finally 

        {

        try 

          {

          is.close();

          } 

        catch(IOException e) { }

        }  

      mLeaf.setBitmap(leaf);

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

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

}