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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.blur;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.opengl.GLSurfaceView;
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import org.distorted.examples.R;
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import org.distorted.library.effect.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.PostprocessEffectBlur;
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import org.distorted.library.main.DistortedLibrary;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedFramebuffer;
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import org.distorted.library.main.DistortedScreen;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshRectangles;
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import org.distorted.library.type.Dynamic2D;
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import org.distorted.library.type.Static2D;
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import org.distorted.library.type.Static3D;
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import java.io.IOException;
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import java.io.InputStream;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class BlurRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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private final static int SIZE = 500;
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private final static float PART = 0.5f;
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private GLSurfaceView mView;
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private DistortedTexture mTexture;
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private DistortedEffects mEffects, mBufferEffects;
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private DistortedScreen mScreen;
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private DistortedFramebuffer mBuffer;
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private MeshRectangles mMesh, mMeshBuffer;
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private Static2D mHaloRadiusSta;
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private Static3D mMove, mScale, mBufferScale;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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BlurRenderer(GLSurfaceView v)
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{
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mView = v;
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mMesh = new MeshRectangles(1,1);
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mMeshBuffer = new MeshRectangles(1,1);
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mScreen = new DistortedScreen();
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mBuffer = new DistortedFramebuffer(SIZE,SIZE,1, DistortedFramebuffer.NO_DEPTH_NO_STENCIL);
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mHaloRadiusSta = new Static2D(10,5);
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Dynamic2D haloAndRadiusDyn = new Dynamic2D();
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haloAndRadiusDyn.add(mHaloRadiusSta);
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mMove = new Static3D(0,0,0);
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mScale= new Static3D(1,1,1);
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mBufferScale= new Static3D(1,1,1);
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mBufferEffects = new DistortedEffects();
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mBufferEffects.apply(new MatrixEffectScale(mBufferScale));
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mBufferEffects.apply(new PostprocessEffectBlur(haloAndRadiusDyn));
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mEffects = new DistortedEffects();
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mEffects.apply(new MatrixEffectScale(mScale));
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mEffects.apply(new MatrixEffectMove(mMove));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// 0 --> (SIZE-factor2) * -0.5
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// 50 --> (SIZE-factor2) * 0.0
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// 100 --> (SIZE-factor2) * +0.5
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int setMove(int move)
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{
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float xmove = (1-PART)*SIZE*(move-50)*0.01f;
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mMove.set0(xmove);
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return (int)xmove;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int setHalo(int halo)
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{
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int radius = halo;
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mHaloRadiusSta.set0(radius);
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return radius;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int setBlur(int blur)
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{
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int radius = blur/2;
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mHaloRadiusSta.set1(radius);
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return radius;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onDrawFrame(GL10 glUnused)
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{
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long time = System.currentTimeMillis();
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mBuffer.render(time);
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mScreen.render(time);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceChanged(GL10 glUnused, int width, int height)
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{
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float factor1 = Math.min(width, height);
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mBufferScale.set( factor1,factor1,factor1 );
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float factor2 = PART*SIZE;
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mScale.set( factor2,factor2,factor2 );
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mScreen.resize(width, height);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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InputStream is = mView.getContext().getResources().openRawResource(R.raw.dog);
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Bitmap bitmap;
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try
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{
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bitmap = BitmapFactory.decodeStream(is);
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}
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finally
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{
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try
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{
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is.close();
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}
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catch(IOException e) { }
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}
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if( mTexture==null ) mTexture = new DistortedTexture();
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mTexture.setTexture(bitmap);
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mScreen.detachAll();
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mBuffer.detachAll();
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mScreen.attach(mBuffer, mBufferEffects, mMeshBuffer);
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mBuffer.attach(mTexture,mEffects,mMesh);
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PostprocessEffectBlur.enable();
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DistortedLibrary.onCreate(mView.getContext(),this);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void distortedException(Exception ex)
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{
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android.util.Log.e("Blur", ex.getMessage() );
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}
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}
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