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.scratchpad;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.graphics.Paint.Style;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

import org.distorted.library.DistortedBitmap;

import org.distorted.library.Distorted;

import org.distorted.library.EffectTypes;

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

public class ScratchpadRenderer implements GLSurfaceView.Renderer 

  {  

  public static final int NUMLINES = 10;

  public static final int BWID = 300;

  public static final int BHEI = 400;

  private GLSurfaceView mView;

  public static DistortedBitmap mBackground;

  private Paint mPaint;

  private int texWidth, texHeight;

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

  public ScratchpadRenderer(GLSurfaceView v)

    {    

    mPaint = new Paint();

    mPaint.setAntiAlias(true);

    mPaint.setFakeBoldText(true);

    mPaint.setStyle(Style.FILL);

    mView = v;

    texWidth = BWID;

    texHeight= BHEI;

    }

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

  public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

    {      

    mBackground = new DistortedBitmap(texWidth,texHeight, 80);

    Bitmap bitmap = Bitmap.createBitmap(texWidth,texHeight, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);  

    mPaint.setColor(0xff008800);

    canvas.drawRect(0, 0, texWidth, texHeight, mPaint);

    mPaint.setColor(0xffffffff);

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

      {

      canvas.drawRect(texWidth*i/NUMLINES - 1,                       0,  texWidth*i/NUMLINES + 1,  texHeight               , mPaint);

      canvas.drawRect(                      0, texHeight*i/NUMLINES -1,  texWidth               ,  texHeight*i/NUMLINES + 1, mPaint);  

      }

    mBackground.setBitmap(bitmap);

    try

      {

      Distorted.onSurfaceCreated(mView.getContext());

      }

    catch(Exception ex)

      {

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

      }

    }

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

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

    {

    mBackground.abortEffects(EffectTypes.MATRIX);

    mBackground.scale((float)width/texWidth,(float)height/texHeight,1);

    Distorted.onSurfaceChanged(width,height);

    ScratchpadSurfaceView.setScreenSize(width,height);     

    }

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

  public void onDrawFrame(GL10 glUnused)

    {   

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

    mBackground.draw(System.currentTimeMillis());

    }

  }