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.vertex3d;

import android.app.Activity;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.widget.ArrayAdapter;

import android.widget.SeekBar.OnSeekBarChangeListener;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedCubes;

import org.distorted.library.DistortedObject;

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

                              implements OnSeekBarChangeListener,

                                         View.OnClickListener,

                                         AdapterView.OnItemSelectedListener

  private static final int COLOR_ON  = 0xff0000ff;

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

  //

  private int mNumRows = 3;

  private LinearLayout mLay;

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

  //

  private SeekBar bar;

  private int distortX, distortY, distortZ;

  private int sinkA;

  private int swirlA;

  private float fdeformX, fdeformY, fdeformZ;

  private float fdistortX, fdistortY, fdistortZ;

  private float fsinkA;

  private float fswirlA;

  protected void onCreate(Bundle savedState)

    {

    super.onCreate(savedState);

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

    mColsPicker.setMaxValue(10);

    mColsPicker.setMinValue( 0);

    mRowsPicker.setMaxValue(10);

    mRowsPicker.setMinValue( 0);

    mColsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

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

        {

        setGrid();

        }

      });

    mRowsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

      {

      @Override

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

        {

        setGrid();

        }

      });

    firstScreen = true;

    typeSpinner.setOnItemSelectedListener(this);

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

    typeSpinner.setAdapter(adapter);

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

    mNumCols = mColsPicker.getValue();

    mNumRows = mRowsPicker.getValue();

    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++)

      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_OFF);

        tr.addView(b, p);

        mShape[rows*mNumCols+cols] = false;

        }

      mLay.addView(tr);

      }

    }

  public DistortedObject getObject()

    {

    return mObject;

    }

  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);

    }

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

    firstScreen = false;

    if( mObjectType==1 )

      {

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

      }

    else

      {

      String str = "";

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

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

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

      }

    Default(null);

    }

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

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

    {

    switch(parent.getId())

      {

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

      }

    }

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

  public void onNothingSelected(AdapterView<?> parent)

    {

    }

// 'second screen' methods

  public void Default(View view)

    {

    effects[0] = EffectNames.DEFORM;

    effects[1] = EffectNames.DISTORT;

    effects[2] = EffectNames.SINK;

    effects[3] = EffectNames.SWIRL;

    deformY = 50;

    deformZ = 50;

    distortY = 50;

    distortZ = 50;

    swirlA = 50;

    centerY = 50;

    textCenter = (TextView)findViewById(R.id.vertex3dcenterText);

    setBar(R.id.vertex3dcenterX, centerX);

    setBar(R.id.vertex3dcenterY, centerY);

    }

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

    {

    LinearLayout layout = (LinearLayout)findViewById(R.id.vertex3dlayout);

    View distort= getLayoutInflater().inflate(R.layout.vertex3ddistort, null);

    View sink   = getLayoutInflater().inflate(R.layout.vertex3dsink   , null);

    View swirl  = getLayoutInflater().inflate(R.layout.vertex3dswirl  , null);

      {

      switch(effects[i])

        case DISTORT: layout.addView(distort, 0); break;

        case SINK   : layout.addView(sink   , 0); break;

        case SWIRL  : layout.addView(swirl  , 0); break;

    textDistort= (TextView)findViewById(R.id.vertex3ddistortText);

    textSink   = (TextView)findViewById(R.id.vertex3dsinkText);

    textSwirl  = (TextView)findViewById(R.id.vertex3dswirlText);

    setDistortText();

    setSinkText();

    setSwirlText();

    setBar(R.id.vertex3ddeformBar2, deformY);

    setBar(R.id.vertex3ddeformBar3, deformZ);

    setBar(R.id.vertex3ddistortBar2, distortY);

    setBar(R.id.vertex3ddistortBar3, distortZ);

    view.getRenderer().setOrder(effects);

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

    {

    int len = effects.length-1;

    int index = -1;

      {

      if( effects[i]==name )

        break;

      {

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

        effects[i] = effects[i+1];

      {

      effects[index]   = effects[index-1];

      effects[index-1] = name;

      }

    addViews();

    }

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

    {

    moveUp(EffectNames.DEFORM);

    }

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

    {

    moveUp(EffectNames.DISTORT);

    }

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

    {

    moveUp(EffectNames.SINK);

    }

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

    {

    moveUp(EffectNames.SWIRL);

    }

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

    {

    bar = (SeekBar)findViewById(id);

    bar.setOnSeekBarChangeListener(this);

    bar.setProgress(value);

    }

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

    {

    Vertex3DRenderer renderer = view.getRenderer();

    fdeformY = (deformY-50)*renderer.mScreenMin/200.0f;

    fdeformZ = (deformZ-50)*renderer.mScreenMin/200.0f;

    renderer.setDeform( fdeformX, fdeformY, fdeformZ );

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

    {

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

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

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

    }

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

    {

    Vertex3DRenderer renderer = view.getRenderer();

    fdistortX = (distortX-50)*renderer.mScreenMin/200.0f;

    fdistortY = (distortY-50)*renderer.mScreenMin/200.0f;

    fdistortZ = (distortZ-50)*renderer.mScreenMin/200.0f;

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

    {

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

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

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

    }

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

    {

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

    {

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

    }

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

    {

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

    {

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

    }

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

  private void computeCenter()

    {

    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;

    }

  @Override

  protected void onPause()

    {

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.vertex3dSurfaceView);

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

    super.onPause();

    }

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

  protected void onResume()

    {

    super.onResume();

    GLSurfaceView mView = (GLSurfaceView)findViewById(R.id.vertex3dSurfaceView);

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

    }

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

  public void onWindowFocusChanged(boolean hasFocus)

    {

    super.onWindowFocusChanged(hasFocus);

    if( firstScreen )

      {

      mColsPicker.setValue(mNumCols);

      mRowsPicker.setValue(mNumRows);

      if( hasFocus ) setGrid();

      }

    }

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

  protected void onDestroy()

    {

    Distorted.onDestroy();

    super.onDestroy();

    }

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

    {

    switch (bar.getId())

      case R.id.vertex3dcenterY     : centerY = progress; computeCenter() ; setCenterText()  ; break;

      case R.id.vertex3ddeformBar2  : deformY = progress; computeDeform() ; setDeformText()  ; break;

      case R.id.vertex3ddeformBar3  : deformZ = progress; computeDeform() ; setDeformText()  ; break;

      case R.id.vertex3ddistortBar1 : distortX= progress; computeDistort(); setDistortText() ; break;

      case R.id.vertex3ddistortBar2 : distortY= progress; computeDistort(); setDistortText() ; break;

      case R.id.vertex3ddistortBar3 : distortZ= progress; computeDistort(); setDistortText() ; break;

      case R.id.vertex3dsinkBar1    : sinkA   = progress; computeSink()   ; setSinkText()    ; break;

      case R.id.vertex3dswirlBar1   : swirlA  = progress; computeSwirl()  ; setSwirlText()   ; break;

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

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

  }