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.fragment3d;

import android.app.Activity;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.view.Gravity;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.LinearLayout;

import android.widget.NumberPicker;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.Spinner;

import android.widget.TableRow;

import android.widget.TextView;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedBitmap;

import org.distorted.library.DistortedCubes;

import org.distorted.library.DistortedObject;

import org.distorted.library.EffectNames;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Dynamic3D;

import java.util.ArrayList;

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

public class Fragment3DActivity extends Activity

                                implements OnSeekBarChangeListener,

                                           View.OnClickListener,

                                           AdapterView.OnItemSelectedListener

  {

  private static final int COLOR_OFF = 0xffffe81f;

  private static final int COLOR_ON  = 0xff0000ff;

  private boolean firstScreen;

  // fields needed for the first 'pick-a-shape' screen

  //

  private int mNumCols = 3;

  private int mNumRows = 3;

  private NumberPicker mColsPicker, mRowsPicker;

  private LinearLayout mLay;

  private boolean[] mShape;

  private DistortedObject mObject;

  private int mObjectType;

  private int mBitmap;

  // fields needed for the second 'apply fragment effects' screen

  //

  private TextView textCenter;

  private int centerX, centerY;

  private float fcenterX, fcenterY;

  private ArrayList<Fragment3DEffect> mEffects;

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

  @Override

  protected void onCreate(Bundle savedState)

    {

    super.onCreate(savedState);

    mEffects = new ArrayList<>();

    setContentView(R.layout.objectpickerlayout);

    mColsPicker = (NumberPicker)findViewById(R.id.objectpicker_cols);

    mRowsPicker = (NumberPicker)findViewById(R.id.objectpicker_rows);

    mColsPicker.setMaxValue(10);

    mColsPicker.setMinValue( 0);

    mRowsPicker.setMaxValue(10);

    mRowsPicker.setMinValue( 0);

    mColsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

      {

      @Override

      public void onValueChange(NumberPicker picker, int oldVal, int newVal)

        {

        mNumCols = mColsPicker.getValue();

        }

      });

    mRowsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

      {

      @Override

      public void onValueChange(NumberPicker picker, int oldVal, int newVal)

        {

        mNumRows = mRowsPicker.getValue();

        }

      });

    firstScreen = true;

    mObjectType = 0;

    Spinner typeSpinner  = (Spinner)findViewById(R.id.objectpicker_spinnerType);

    typeSpinner.setOnItemSelectedListener(this);

    String[] objectType = new String[] {"DistortedCubes", "DistortedBitmap"};

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

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

    typeSpinner.setAdapter(adapterType);

    Spinner bitmapSpinner  = (Spinner)findViewById(R.id.objectpicker_spinnerBitmap);

    bitmapSpinner.setOnItemSelectedListener(this);

    String[] objectBitmap = new String[] {"Girl", "Dog", "Cat", "Grid"};

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

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

    bitmapSpinner.setAdapter(adapterBitmap);

    }

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

  private void setGrid()

    {

    mLay = (LinearLayout)findViewById(R.id.objectpicker_buttongrid);

    int width = mLay.getWidth();

    int height= mLay.getHeight();

    int w = mNumCols>0 ? (width / mNumCols) -10 : 0;

    int h = mNumRows>0 ? (height/ mNumRows) -10 : 0;

    int size= w<h ? w:h;

    int pad = size/20;

    mLay.removeAllViews();

    mShape = new boolean[mNumRows*mNumCols];

    TableRow.LayoutParams p = new android.widget.TableRow.LayoutParams();

    p.rightMargin  = pad;

    p.leftMargin   = pad;

    p.topMargin    = pad;

    p.bottomMargin = pad;

    p.height       = size;

    p.width        = size;

    for (int rows=0; rows<mNumRows; rows++)

      {

      TableRow tr = new TableRow(this);

      tr.setGravity(Gravity.CENTER);

      for(int cols=0; cols<mNumCols; cols++)

        {

        Button b = new Button(this);

        b.setOnClickListener(this);

        b.setId(rows*mNumCols+cols);

        b.setLayoutParams(p);

        b.setBackgroundColor(COLOR_ON);

        tr.addView(b, p);

        mShape[rows*mNumCols+cols] = true;

        }

      mLay.addView(tr);

      }

    }

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

  public DistortedObject getObject()

    {

    return mObject;

    }

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

  public int getBitmap()

    {

    return mBitmap;

    }

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

  public void onClick(View view)

    {

    Button tmp = (Button)view;

    int id = tmp.getId();

    mShape[id] = !mShape[id];

    tmp.setBackgroundColor(mShape[id] ? COLOR_ON:COLOR_OFF);

    }

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

  public void Continue(View v)

    {

    firstScreen = false;

    if( mObjectType==1 )

      {

      mObject = new DistortedBitmap(100,100,mNumCols);

      setFragmentView();

      }

    else

      {

      View view = getLayoutInflater().inflate(R.layout.objectpicker2layout, null);

      setContentView(view);

      view.post(new Runnable() {

            @Override

            public void run() {

              setGrid();

            }

        });

      }

    }

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

  public void Create(View v)

    {

    firstScreen = false;

    String str = "";

    for(int i=0; i<mNumRows*mNumCols; i++)

      str += mShape[i] ? "1" : "0";

    mObject = new DistortedCubes(mNumCols, str, 10);

    setFragmentView();

    }

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

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

    {

    switch(parent.getId())

      {

      case R.id.objectpicker_spinnerType  : mObjectType = pos; break;

      case R.id.objectpicker_spinnerBitmap: switch(pos)

                                              {

                                              case 0: mBitmap = R.raw.face; break;

                                              case 1: mBitmap = R.raw.dog;  break;

                                              case 2: mBitmap = R.raw.cat;  break;

                                              case 3: mBitmap = R.raw.grid; break;

                                              }

                                            break;

      }

    }

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

  public void onNothingSelected(AdapterView<?> parent)

    {

    }

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

// 'second screen' methods

  private void setFragmentView()

    {

    final View view = getLayoutInflater().inflate(R.layout.fragment3dlayout, null);

    setContentView(view);

    centerX = 50;

    centerY = 50;

    textCenter = (TextView)view.findViewById(R.id.fragment3dcenterText);

    computeCenter();

    setCenterText();

    SeekBar bar;

    bar = (SeekBar)view.findViewById(R.id.fragment3dcenterX);

    bar.setOnSeekBarChangeListener(this);

    bar.setProgress(centerX);

    bar = (SeekBar)view.findViewById(R.id.fragment3dcenterY);

    bar.setOnSeekBarChangeListener(this);

    bar.setProgress(centerY);

    }

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

  public void newChroma(View v)

    {

    Fragment3DEffect chroma = new Fragment3DEffect(EffectNames.CHROMA);

    mEffects.add(chroma);

    View view = chroma.createView(this);

    LinearLayout layout = (LinearLayout)findViewById(R.id.fragment3dlayout);

    layout.addView(view);

    Dynamic1D dyn1 = chroma.getDyn1();

    Dynamic3D dyn3 = chroma.getDyn3();

    mObject.chroma(dyn1,dyn3);

    }

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

  public void newAlpha(View v)

    {

    Fragment3DEffect alpha = new Fragment3DEffect(EffectNames.ALPHA);

    mEffects.add(alpha);

    View view = alpha.createView(this);

    LinearLayout layout = (LinearLayout)findViewById(R.id.fragment3dlayout);

    layout.addView(view);

    Dynamic1D dyn1 = alpha.getDyn1();

    mObject.alpha(dyn1);

    }

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

  public void newBrightness(View v)

    {

    Fragment3DEffect brightness = new Fragment3DEffect(EffectNames.BRIGHTNESS);

    mEffects.add(brightness);

    View view = brightness.createView(this);

    LinearLayout layout = (LinearLayout)findViewById(R.id.fragment3dlayout);

    layout.addView(view);

    Dynamic1D dyn1 = brightness.getDyn1();

    mObject.brightness(dyn1);

    }

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

  public void newSaturation(View v)

    {

    Fragment3DEffect saturation = new Fragment3DEffect(EffectNames.SATURATION);

    mEffects.add(saturation);

    View view = saturation.createView(this);

    LinearLayout layout = (LinearLayout)findViewById(R.id.fragment3dlayout);

    layout.addView(view);

    Dynamic1D dyn1 = saturation.getDyn1();

    mObject.saturation(dyn1);

    }

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

  public void removeAll(View v)

    {

    mEffects.clear();

    LinearLayout layout = (LinearLayout)findViewById(R.id.fragment3dlayout);

    layout.removeAllViews();

    mObject.abortEffects(EffectTypes.FRAGMENT);

    }

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

  private void computeCenter()

    {

    Fragment3DSurfaceView view = (Fragment3DSurfaceView)findViewById(R.id.fragment3dSurfaceView);

    fcenterX = centerX;

    fcenterY = centerY;

    view.getRenderer().setCenter( fcenterX, fcenterY );

    }

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

  private void setCenterText()

    {

    fcenterX = ((int)(100*fcenterX))/100.0f;

    fcenterY = ((int)(100*fcenterY))/100.0f;

    textCenter.setText("center("+fcenterX+","+fcenterY+")");

    }

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

  public float getCenterX()

    {

    return fcenterX;

    }

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

  public float getCenterY()

    {

    return fcenterY;

    }

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

// Overrides

  @Override

  protected void onPause()

    {

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.fragment3dSurfaceView);

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

    super.onPause();

    }

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

  @Override

  protected void onResume()

    {

    super.onResume();

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.fragment3dSurfaceView);

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

    }

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

  @Override

  public void onWindowFocusChanged(boolean hasFocus)

    {

    super.onWindowFocusChanged(hasFocus);

    if( firstScreen )

      {

      mColsPicker.setValue(mNumCols);

      mRowsPicker.setValue(mNumRows);

      }

    }

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

  @Override

  protected void onDestroy()

    {

    Distorted.onDestroy();

    super.onDestroy();

    }

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

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

    {

    switch (bar.getId())

      {

      case R.id.fragment3dcenterX: centerX    = progress; computeCenter()    ; setCenterText()    ; break;

      case R.id.fragment3dcenterY: centerY    = progress; computeCenter()    ; setCenterText()    ; break;

      }

    }

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

  public void onStartTrackingTouch(SeekBar bar) { }

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

  public void onStopTrackingTouch(SeekBar bar)  { }

  }