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.save;

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.nio.ByteBuffer;

import java.nio.ByteOrder;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.DistortedBitmap;

import org.distorted.library.DistortedFramebuffer;

import org.distorted.library.EffectTypes;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

import android.os.Environment;

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

class SaveRenderer implements GLSurfaceView.Renderer

  {

  private GLSurfaceView mView;

  private DistortedBitmap mGirl;

  private DistortedFramebuffer mOffscreen;

  private Static3D pLeft, pRight;

  private Static4D sinkRegion;

  private Dynamic1D diSink;

  private Static1D s0;

  private int fboHeight, fboWidth;

  private int bmpHeight, bmpWidth;

  private int scrHeight, scrWidth;

  private float boobsSink;

  private boolean isSaving = false;

  private String mPath;

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

  SaveRenderer(GLSurfaceView v)

    {

    mView = v;

    boobsSink  = 1.0f;

    pLeft = new Static3D(132, 264, 0);

    pRight= new Static3D(247, 264, 0);

    sinkRegion = new Static4D(0,0,60,60);

    s0 = new Static1D(boobsSink);

    diSink = new Dynamic1D(0,0.5f);

    diSink.add(s0);

    fboHeight = 150;

    fboWidth  = 100;

    }

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

  void setSize(float s)

    {

    boobsSink = s;

    s0.set(boobsSink);

    }

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

  void Save()

    {

    if( !isSaving )

      {

      isSaving = true;

      File file;

      int lowestNotFound = 1;

      while(true)

        {

        mPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/girl" + lowestNotFound +".png";

        file = new File(mPath);

        if( !file.exists() ) break;

        lowestNotFound++;

        }

      }

    }

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

  public void onDrawFrame(GL10 glUnused)

    {

    GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

    if( isSaving )  // render to an offscreen buffer and read pixels

      {

      long scaleID = mGirl.scale(new Static3D( (float)fboWidth/scrWidth, (float)fboHeight/scrHeight, 1.0f));

      mGirl.draw(System.currentTimeMillis(), mOffscreen);

      mGirl.abortEffect(scaleID);

      ByteBuffer buf = ByteBuffer.allocateDirect( fboWidth*fboHeight*4 );

      buf.order(ByteOrder.LITTLE_ENDIAN);

      mOffscreen.setAsInput();

      GLES20.glReadPixels( 0, 0, fboWidth, fboHeight , GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, buf);

      SaveWorkerThread.newBuffer(buf,fboWidth,fboHeight,mPath);

      isSaving = false;

      }

    else

      {

      mGirl.draw(System.currentTimeMillis());

      }

    }

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

  public void onSurfaceChanged(GL10 glUnused, int width, int height)

    {

    scrWidth = width;

    scrHeight= height;

    mGirl.abortEffects(EffectTypes.MATRIX);

    if( bmpHeight/bmpWidth > height/width )

      {

      int w = (height*bmpWidth)/bmpHeight;

      float factor = (float)height/bmpHeight;

      mGirl.move( new Static3D((width-w)/2,0,0) );

      mGirl.scale(factor);

      }

    else

      {

      int h = (width*bmpHeight)/bmpWidth;

      float factor = (float)width/bmpWidth;

      mGirl.move( new Static3D(0,(height-h)/2,0) );

      mGirl.scale(factor);

      }

    Distorted.onSurfaceChanged(width, height);

    }

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

  public void onSurfaceCreated(GL10 glUnused, EGLConfig config)

    {

    GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

    InputStream is = mView.getContext().getResources().openRawResource(R.raw.girl);

    Bitmap bitmap;

    try

      {

      bitmap = BitmapFactory.decodeStream(is);

      }

    finally

      {

      try

        {

        is.close();

        }

      catch(IOException e) { }

      }

    bmpHeight = bitmap.getHeight();

    bmpWidth  = bitmap.getWidth();

    mGirl = new DistortedBitmap(bitmap, 30);

    mGirl.sink( diSink, pLeft , sinkRegion);

    mGirl.sink( diSink, pRight, sinkRegion);

    mOffscreen = new DistortedFramebuffer(fboWidth,fboHeight);

    try

      {

      Distorted.onSurfaceCreated(mView.getContext());

      }

    catch(Exception ex)

      {

      android.util.Log.e("Renderer", ex.getMessage() );

      }

    }

  }