Distorted Android

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// 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/>.                            //

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package org.distorted.examples.flatblur;

import android.opengl.GLSurfaceView;

import org.distorted.library.effect.EffectQuality;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.PostprocessEffectBlur;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedNode;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshQuad;

import org.distorted.library.type.Static2D;

import org.distorted.library.type.Static3D;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class FlatBlurRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener

{

    private static final int HALO = 15;

    private final GLSurfaceView mView;

    private final DistortedScreen mScreen;

    private final PostprocessEffectBlur mBlur;

    private final DistortedNode mRedNode;

    private final Static2D mBlurStrength;

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

    FlatBlurRenderer(GLSurfaceView v)

      {

      mView = v;

      mScreen = new DistortedScreen();

      int x = 50;

      int scale = 200;

      mRedNode = createNode(-x,0,1,scale,0xffff0000);

      DistortedNode whiteNode = createNode(x,0,1,scale,0xffffffff);

      mScreen.attach(mRedNode);

      mScreen.attach(whiteNode);

      mBlurStrength = new Static2D(HALO,0);

      mBlur = new PostprocessEffectBlur(mBlurStrength);

      mBlur.setQuality(EffectQuality.MEDIUM);

      }

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    private DistortedNode createNode(int x, int y, int z, int scale, int color)

      {

      DistortedTexture texture = new DistortedTexture();

      texture.setColorARGB(color);

      MeshQuad mesh = new MeshQuad();

      DistortedEffects effects = new DistortedEffects();

      Static3D move = new Static3D(x,y,z);

      MatrixEffectMove mainMove  = new MatrixEffectMove(move);

      MatrixEffectScale mainScale= new MatrixEffectScale(scale);

      effects.apply(mainScale);

      effects.apply(mainMove);

      return new DistortedNode(texture,effects,mesh);

      }

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    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render(System.currentTimeMillis());

      }

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

      {

      mScreen.resize(width,height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      PostprocessEffectBlur.enable();

      DistortedLibrary.onSurfaceCreated( mView.getContext(), this);

      }

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

    public void distortedException(Exception ex)

      {

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

      }

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

    public void enableBlur(boolean enable)

      {

      DistortedEffects effects = mRedNode.getEffects();

      long id = mBlur.getID();

      if( enable ) effects.abortById(id);

      else         effects.apply(mBlur);

      }

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

    public void setBlurStrength(int strength)

      {

      mBlurStrength.set(HALO,strength*0.5f);

      }

}