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.matrix3d;

import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.LinearLayout;

import android.widget.Spinner;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedCubes;

import org.distorted.library.DistortedObject;

import org.distorted.library.EffectNames;

import org.distorted.library.EffectTypes;

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

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

public class Matrix3DActivity extends Activity implements AdapterView.OnItemSelectedListener

  {

  private DistortedObject mObject;

  private ArrayList<Matrix3DEffect> mEffects;

  private int mEffectAdd;

  private EffectNames[] mEffectNames;

  private static boolean mSupportsCenter;

  private float mCenterX, mCenterY;

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

  @Override

  protected void onCreate(Bundle savedState)

    {

    super.onCreate(savedState);

    mEffects = new ArrayList<>();

    createEffectNames();

    mObject = new DistortedCubes( 1, "1", 100);

    setEffectView();

    }

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

  private void createEffectNames()

    {

    EffectTypes type = EffectTypes.MATRIX;

    EffectNames[] names = EffectNames.values();

    int numEffects=0;

    for(int i=0; i<names.length; i++)

      if( names[i].getType() == type ) numEffects++;

    mEffectNames = new EffectNames[numEffects];

    numEffects=0;

    for(int i=0; i<names.length; i++)

      if( names[i].getType() == type )

        {

        mEffectNames[numEffects++] = names[i];

        }

    }

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

  public DistortedObject getObject()

    {

    return mObject;

    }

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

  public void setRegion(float x, float y, float r)

    {

    }

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

  public void setCenter(float x, float y)

    {

    mCenterX = x;

    mCenterY = y;

    }

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

  public static void setSupportsRegion(boolean supports)

    {

    }

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

  public static boolean supportsRegion()

    {

    return false;

    }

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

  public static void setSupportsCenter(boolean supports)

    {

    mSupportsCenter = supports;

    }

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

  public static boolean supportsCenter()

    {

    return mSupportsCenter;

    }

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

  public Bitmap getBitmap()

    {

    Bitmap bmp;

    InputStream is = getResources().openRawResource(R.raw.grid);

    try

      {

      bmp = BitmapFactory.decodeStream(is);

      }

    finally

      {

      try

        {

        is.close();

        }

      catch(IOException e) { }

      }

    return bmp;

    }

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

  public int getWidth()

    {

    return mObject==null ? 0: mObject.getWidth();

    }

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

  public int getHeight()

    {

    return mObject==null ? 0: mObject.getHeight();

    }

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

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

    {

    switch(parent.getId())

      {

      case R.id.matrix3dspinner          : mEffectAdd = pos;

                                           break;

      }

    }

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

  public void onNothingSelected(AdapterView<?> parent)

    {

    }

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

  private void resetData()

    {

    mCenterX = 0.5f*getWidth();

    mCenterY = 0.5f*getHeight();

    mSupportsCenter=false;

    }

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

  private void setEffectView()

    {

    resetData();

    final View view = getLayoutInflater().inflate(R.layout.matrix3dlayout, null);

    setContentView(view);

    String[] effects = new String[mEffectNames.length];

    for(int i=0; i<mEffectNames.length; i++) effects[i] = mEffectNames[i].name();

    Spinner effectSpinner = (Spinner)findViewById(R.id.matrix3dspinner );

    effectSpinner.setOnItemSelectedListener(this);

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

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

    effectSpinner.setAdapter(adapterEffect);

    mEffectAdd = 0;

    }

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

  public void newEffect(View v)

    {

    Matrix3DEffect eff = new Matrix3DEffect(mEffectNames[mEffectAdd], this);

    mEffects.add(eff);

    LinearLayout layout = (LinearLayout)findViewById(R.id.matrix3dlayout);

    View view = eff.createView();

    layout.addView(view);

    if( mSupportsCenter )

      {

      View center = eff.createCenter();

      layout.addView(center);

      }

    eff.apply(mObject);

    }

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

  public void removeAll(View v)

    {

    mEffects.clear();

    LinearLayout layout = (LinearLayout)findViewById(R.id.matrix3dlayout);

    layout.removeAllViews();

    mObject.abortEffects(EffectTypes.MATRIX);

    resetData();

    }

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

  public void remove(View v)

    {

    for(Matrix3DEffect effect: mEffects)

      {

      if( effect.thisView(v) )

        {

        LinearLayout layout = (LinearLayout)findViewById(R.id.matrix3dlayout);

        View view;

        view = effect.getEffect();

        if( view!=null ) layout.removeView(view);

        view = effect.getCenter();

        if( view!=null ) layout.removeView(view);

        view = effect.getRegion();

        if( view!=null ) layout.removeView(view);

        long id = effect.getId();

        mObject.abortEffect(id);

        mEffects.remove(effect);

        resetData();

        break;

        }

      }

    }

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

// Overrides

  @Override

  protected void onPause()

    {

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.matrix3dSurfaceView);

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

    super.onPause();

    }

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

  @Override

  protected void onResume()

    {

    super.onResume();

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.matrix3dSurfaceView);

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

    }

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

  @Override

  protected void onDestroy()

    {

    Distorted.onDestroy();

    super.onDestroy();

    }

  }