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Leszek Koltunski
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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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Leszek Koltunski
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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Leszek Koltunski
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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.DistortedNode;
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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.Dynamic1D;
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import org.distorted.library.type.Static1D;
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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
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{
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private final static int SIZE = 500;
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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 Static1D mRadiusSta;
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private int mObjHeight, mObjWidth;
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private Static3D mMove, mScale, mBufferMove, 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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mRadiusSta = new Static1D(5);
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Dynamic1D radiusDyn = new Dynamic1D();
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radiusDyn.add(mRadiusSta);
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mMove = new Static3D(0,0,0);
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mScale= new Static3D(1,1,1);
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mBufferMove = new Static3D(0,0,0);
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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 MatrixEffectMove(mBufferMove));
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mEffects = new DistortedEffects();
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mEffects.apply( new PostprocessEffectBlur(radiusDyn) );
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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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int setBlur(int blur)
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{
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int radius = blur/2;
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mRadiusSta.set(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 qw1 = (float)width /SIZE;
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float qh1 = (float)height/SIZE;
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float factor1 = 0.8f* (qw1<qh1 ? qw1:qh1);
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int w1 = (int)(factor1*SIZE);
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int h1 = (int)(factor1*SIZE);
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mBufferMove.set((width-w1)/2 ,(height-h1)/2, 0);
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mBufferScale.set( factor1,factor1,factor1 );
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float qw2 = (float)SIZE/mObjWidth;
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float qh2 = (float)SIZE/mObjHeight;
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float factor2 = 0.9f* (qw2<qh2 ? qw2:qh2);
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int w2 = (int)(factor2*mObjWidth);
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int h2 = (int)(factor2*mObjHeight);
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mMove.set((SIZE-w2)/2 ,(SIZE-h2)/2, 0);
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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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mObjHeight = bitmap.getHeight();
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mObjWidth = bitmap.getWidth();
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mMesh.setStretch(mObjWidth,mObjHeight,0);
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mMeshBuffer.setStretch(SIZE,SIZE,0);
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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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mScreen.attach(mBuffer, mBufferEffects, mMeshBuffer);
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mBuffer.attach(new DistortedNode(mTexture,mEffects,mMesh));
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PostprocessEffectBlur.enable();
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try
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{
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DistortedLibrary.onCreate(mView.getContext());
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}
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catch(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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}
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