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.movingeffects;

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 MovingEffectsRenderer 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 Canvas mCanvas;

   private Bitmap mBitmap;

   private Paint mPaint;

   private int texWidth, texHeight;

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

   public MovingEffectsRenderer(GLSurfaceView v)

     {    

     mPaint = new Paint();

     mPaint.setAntiAlias(true);

     mPaint.setFakeBoldText(true);

     mPaint.setStyle(Style.FILL);

     mView = v;

     texWidth = BWID;

     texHeight= BHEI;

     }

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

   private void drawBackground()

     {

     mPaint.setColor(0xff008800);

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

     mPaint.setColor(0xffffffff);

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

       {

       mCanvas.drawRect(texWidth*i/NUMLINES - 2,                       0,  texWidth*i/NUMLINES + 2,  texHeight               , mPaint);

       mCanvas.drawRect(                      0, texHeight*i/NUMLINES -2,  texWidth               ,  texHeight*i/NUMLINES + 2, mPaint);  

       } 

     }

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

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

     {         

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

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

     mCanvas = new Canvas(mBitmap); 

     try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

     MovingEffectsSurfaceView.setScreenSize(width, height);    

     }

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

   public void onDrawFrame(GL10 glUnused)

     {   

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

     long time = System.currentTimeMillis();

     if (MovingEffectsSurfaceView.getCurrentEffect() == MovingEffectsSurfaceView.EFFECT_POINTS )

       {

       drawBackground();   

       MovingEffectsSurfaceView.drawCurve(mCanvas,time);

       mBackground.setBitmap(mBitmap);  

       }

     mBackground.draw(time);

     }

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

}