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.effects3d;

import android.app.Activity;

import android.content.Intent;

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.Spinner;

import android.widget.TableRow;

import org.distorted.examples.R;

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

public class Effects3DActivity extends Activity

                               implements View.OnClickListener, AdapterView.OnItemSelectedListener

  {

  private static final int COLOR_OFF = 0xffffe81f;

  private static final int COLOR_ON  = 0xff0000ff;

  private static final int COLOR_INAC= 0xff999999;

  private int mNumCols = 1;

  private int mNumRows = 1;

  private int mNumSlic = 1;

  private boolean mGridInitialized;

  private NumberPicker mColsPicker, mRowsPicker, mSlicPicker;

  private boolean[] mShape;

  private int mObjectType;

  private int mBitmapID;

  private LinearLayout mLay;

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

  @Override

  protected void onCreate(Bundle savedState)

    {

    super.onCreate(savedState);

    setContentView(R.layout.objectpickerlayout);

    mLay = findViewById(R.id.objectpicker_buttongrid);

    mColsPicker = findViewById(R.id.objectpicker_cols);

    mRowsPicker = findViewById(R.id.objectpicker_rows);

    mSlicPicker = findViewById(R.id.objectpicker_slices);

    mColsPicker.setMaxValue(40);

    mColsPicker.setMinValue( 0);

    mRowsPicker.setMaxValue(40);

    mRowsPicker.setMinValue( 0);

    mSlicPicker.setMaxValue(40);

    mSlicPicker.setMinValue( 0);

    mColsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

         {

         @Override

         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();

           }

         });

    mSlicPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

         {

         @Override

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

           {

           mNumSlic = mSlicPicker.getValue();

           }

         });

    mObjectType = 0;

    mGridInitialized = false;

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

    typeSpinner.setOnItemSelectedListener(this);

    String[] objectType = new String[] {"Mesh: Cubes", "Mesh: Flat", "Mesh: Sphere", "Mesh: Quad"};

    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  = findViewById(R.id.objectpicker_spinnerBitmap);

    bitmapSpinner.setOnItemSelectedListener(this);

    String[] objectBitmap = new String[] { "Texture: Grid", "Texture: Girl", "Texture: Dog", "Texture: Cat",

                                           "Texture: Squares", "Texture: Bean", "Texture: Lisa" };

    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()

    {

    mGridInitialized = true;

    mNumCols = mColsPicker.getValue();

    mNumRows = mRowsPicker.getValue();

    int width = mLay.getWidth();

    int height= mLay.getHeight();

    int w = mNumCols>0 ? (int)( 0.9f*width / mNumCols) : 0;

    int h = mNumRows>0 ? (int)( 0.9f*height/ mNumRows) : 0;

    int size= w<h ? w:h;

    int pad = size<20 ? 1 : size/20;

    mLay.removeAllViews();

    mShape = new boolean[mNumRows*mNumCols];

    TableRow.LayoutParams p = new 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(mObjectType==0 ? COLOR_ON:COLOR_INAC);

        tr.addView(b, p);

        mShape[rows*mNumCols+cols] = true;

        }

      mLay.addView(tr);

      }

    }

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

  public void onClick(View view)

    {

    if( mObjectType==0 )  // cubes

      {

      Button tmp = (Button)view;

      int id = tmp.getId();

      mShape[id] = !mShape[id];

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

      }

    }

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

  private void uncheckAll()

    {

    TableRow tr;

    Button butt;

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

      {

      tr = (TableRow)mLay.getChildAt(row);

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

        {

        butt = (Button)tr.getVirtualChildAt(col);

        butt.setBackgroundColor(mObjectType==0 ? COLOR_ON : COLOR_INAC);

        mShape[row*mNumCols+col] = true;

        }

      }

    }

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

  public void Create(View v)

    {

    Intent mainInt = new Intent( getApplicationContext(), Effects3DActivity2.class);

    Bundle b = new Bundle();

    int rows=0, cols=0;

    switch(mObjectType)

      {

      case 0:

      case 1: rows = mNumRows;

              cols = mNumCols;

              break;

      case 2: rows = mNumRows;   // always make the sphere equal in X and Y

              cols = mNumRows;   //

              break;

      case 3: rows = 1;          // a quad is always 1x1

              cols = 1;

              break;

      }

    b.putInt("type", mObjectType);

    b.putInt("cols", cols);

    b.putInt("rows", rows);

    b.putInt("slices", mNumSlic);

    b.putInt("bitmap", mBitmapID);

    if( mObjectType==0 )   // cubes

      {

      String str = "";

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

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

      b.putString("string", str);

      }

    else

      {

      b.putString("string", "");

      }

    mainInt.putExtras(b);

    startActivity(mainInt);

    }

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

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

    {

    switch(parent.getId())

      {

      case R.id.objectpicker_spinnerType  : if( mObjectType!=pos )

                                              {

                                              mObjectType = pos;

                                              uncheckAll();

                                              switch(mObjectType)

                                                {

                                                case 0: mColsPicker.setEnabled(true);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(true);

                                                        break;

                                                case 1: mColsPicker.setEnabled(true);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                case 2: mColsPicker.setEnabled(false);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                case 3: mColsPicker.setEnabled(false);

                                                        mRowsPicker.setEnabled(false);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                }

                                              }

                                            break;

      case R.id.objectpicker_spinnerBitmap: switch(pos)

                                              {

                                              case 0: mBitmapID = -1        ; break;

                                              case 1: mBitmapID = R.raw.face; break;

                                              case 2: mBitmapID = R.raw.dog ; break;

                                              case 3: mBitmapID = R.raw.cat ; break;

                                              case 4: mBitmapID = R.raw.grid; break;

                                              case 5: mBitmapID = R.raw.bean; break;

                                              case 6: mBitmapID = R.raw.monalisa; break;

                                              }

                                            break;

      }

    }

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

  public void onNothingSelected(AdapterView<?> parent)

    {

    }

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

// Overrides

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

  @Override

  public void onWindowFocusChanged(boolean hasFocus)

    {

    super.onWindowFocusChanged(hasFocus);

    mColsPicker.setValue(mNumCols);

    mRowsPicker.setValue(mNumRows);

    mSlicPicker.setValue(mNumSlic);

    if( !mGridInitialized ) setGrid();

    }

  }