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.inflate;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.examples.R;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshBase;

import org.distorted.library.mesh.MeshCubes;

import org.distorted.library.mesh.MeshRectangles;

import org.distorted.library.mesh.MeshQuad;

import org.distorted.library.mesh.MeshSphere;

import org.distorted.library.type.Static4D;

import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.SeekBar;

import android.widget.Spinner;

import android.widget.TextView;

import java.io.IOException;

import java.io.InputStream;

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

public class InflateActivity2 extends Activity implements SeekBar.OnSeekBarChangeListener, AdapterView.OnItemSelectedListener

{

    private Bitmap mBitmap;

    private TextView mTextLevel;

    private DistortedTexture mTexture;

    private MeshBase mMesh;

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

    @Override

    protected void onPause() 

      {

      GLSurfaceView mView = this.findViewById(R.id.inflateSurfaceView);

      if( mView!=null ) mView.onPause();

      DistortedLibrary.onPause();

      super.onPause();

      }

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

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView mView = this.findViewById(R.id.inflateSurfaceView);

      if( mView!=null ) mView.onResume();  

      }

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

    @Override

    protected void onDestroy() 

      {

      DistortedLibrary.onDestroy();

      super.onDestroy();

      }

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

    @Override

    protected void onCreate(Bundle savedState)

      {

      super.onCreate(savedState);

      Bundle b = getIntent().getExtras();

      String str     = b.getString("string");

      int objectType = b.getInt("type");

      int numCols    = b.getInt("cols");

      int numRows    = b.getInt("rows");

      int numSlic    = b.getInt("slices");

      int bitmapID   = b.getInt("bitmap");

      int maxsize = numCols > numRows ? (numCols>numSlic ? numCols:numSlic) : (numRows>numSlic ? numRows:numSlic) ;

      createBitmap(maxsize,bitmapID);

      switch(objectType)

        {

        case 0: if( bitmapID!=-1 )

                  {

                  mMesh = new MeshCubes(numCols, str, numSlic);

                  }

                else

                  {

                  Static4D mapFB = new Static4D(0.0f,0.0f, (float)numCols/maxsize, (float)numRows/maxsize);

                  Static4D mapLR = new Static4D(0.0f,0.0f, (float)numSlic/maxsize, (float)numRows/maxsize);

                  Static4D mapTB = new Static4D(0.0f,0.0f, (float)numCols/maxsize, (float)numSlic/maxsize);

                  mMesh = new MeshCubes(numCols, str, numSlic, mapFB, mapFB, mapLR, mapLR, mapTB, mapTB);

                  }

                break;

        case 1: mMesh = new MeshRectangles(numCols,numRows);

                break;

        case 2: mMesh = new MeshSphere(numRows);

                break;

        case 3: mMesh = new MeshQuad();

                break;

        }

      mTexture = new DistortedTexture(numCols,numRows);

      setContentView(R.layout.inflatelayout);

      Spinner renderSpinner  = findViewById(R.id.inflateSpinnerMode);

      renderSpinner.setOnItemSelectedListener(this);

      String[] objectBitmap = new String[] { "Render: Normal", "Render: OIT" };

      ArrayAdapter<String> adapterBitmap = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, objectBitmap);

      adapterBitmap.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

      renderSpinner.setAdapter(adapterBitmap);

      mTextLevel = findViewById(R.id.inflateInflateText);

      SeekBar transparencyBar = findViewById(R.id.inflateTransparency);

      transparencyBar.setOnSeekBarChangeListener(this);

      transparencyBar.setProgress(50);

      SeekBar inflateBar = findViewById(R.id.inflateInflateLevel);

      inflateBar.setOnSeekBarChangeListener(this);

      inflateBar.setProgress(50);

      }

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

    private void createBitmap(int size, int bitmapID)

      {

      if( bitmapID!=-1)

        {

        InputStream is = getResources().openRawResource(bitmapID);

        try

          {

          mBitmap = BitmapFactory.decodeStream(is);

          }

        finally

          {

          try

            {

            is.close();

            }

          catch(IOException e) { }

          }

        }

      else

        {

        final int T = 64;

        final int S = T*size;

        Paint paint = new Paint();

        mBitmap = Bitmap.createBitmap(S,S, Bitmap.Config.ARGB_8888);

        Canvas canvas = new Canvas(mBitmap);

        paint.setAntiAlias(true);

        paint.setTextAlign(Paint.Align.CENTER);

        paint.setColor(0xff008800);

        paint.setStyle(Paint.Style.FILL);

        canvas.drawRect(0, 0, S, S, paint);

        paint.setColor(0xffffffff);

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

          {

          canvas.drawRect( T*i-1, 0, T*i+1, S, paint);

          canvas.drawRect( 0, T*i-1, S, T*i+1, paint);

          }

        }

      }

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

    public Bitmap getBitmap()

      {

      return mBitmap;

      }

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    public void onItemSelected(AdapterView<?> parent, View view, int pos, long id)

      {

      InflateSurfaceView v = this.findViewById(R.id.inflateSurfaceView);

      InflateRenderer renderer = v.getRenderer();

      switch(parent.getId())

        {

        case R.id.inflateSpinnerMode: renderer.setRenderModeToOIT(pos==1);

                                      break;

        }

      }

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

    public void onNothingSelected(AdapterView<?> parent)

      {

      }

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

    public void onProgressChanged(SeekBar bar, int progress, boolean fromUser)

      {

      switch (bar.getId())

        {

        case R.id.inflateTransparency: InflateSurfaceView v1 = this.findViewById(R.id.inflateSurfaceView);

                                       v1.getRenderer().setTransparency(progress);

                                       break;

        case R.id.inflateInflateLevel: InflateSurfaceView v2 = this.findViewById(R.id.inflateSurfaceView);

                                       float level = v2.getRenderer().setLevel(progress);

                                       mTextLevel.setText(getString(R.string.inflate_placeholder, level));

                                       break;

        }

      }

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

    public void onStartTrackingTouch(SeekBar bar) { }

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

    public void onStopTrackingTouch(SeekBar bar)  { }

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

    public DistortedTexture getTexture()

      {

      return mTexture;

      }

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

    public MeshBase getMesh()

      {

      return mMesh;

      }

}