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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.monalisa;
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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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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.VertexEffectDistort;
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import org.distorted.library.main.Distorted;
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import org.distorted.library.main.DistortedEffects;
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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.MeshFlat;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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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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///////////////////////////////////////////////////////////////////////////////////////////////////
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class MonaLisaRenderer implements GLSurfaceView.Renderer
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{
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private GLSurfaceView mView;
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private DistortedEffects mEffects;
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private DistortedTexture mTexture;
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private MeshFlat mMesh;
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private DistortedScreen mScreen;
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private int bmpHeight, bmpWidth;
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private Static3D mMove, mScale;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MonaLisaRenderer(GLSurfaceView v)
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{
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mView = v;
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Static3D pLeft = new Static3D( 90, 258, 0);
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Static3D pRight= new Static3D(176, 255, 0);
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Static4D rLeft = new Static4D(-10,-10,25,25);
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Static4D rRight= new Static4D( 10, -5,25,25);
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Dynamic3D dLeft = new Dynamic3D(1000,0.0f);
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Dynamic3D dRight= new Dynamic3D(1000,0.0f);
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dLeft.add ( new Static3D( 0, 0,0) );
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dLeft.add ( new Static3D(-20,-20,0) );
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dRight.add( new Static3D( 0, 0,0) );
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dRight.add( new Static3D( 20,-10,0) );
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mEffects = new DistortedEffects();
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mEffects.apply( new VertexEffectDistort(dLeft , pLeft , rLeft ) );
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mEffects.apply( new VertexEffectDistort(dRight, pRight, rRight) );
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mMove = new Static3D(0,0,0);
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mScale= new Static3D(1,1,1);
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mEffects.apply(new MatrixEffectMove(mMove));
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mEffects.apply(new MatrixEffectScale(mScale));
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mScreen = new DistortedScreen();
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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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mScreen.render( System.currentTimeMillis() );
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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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if( (float)bmpHeight/bmpWidth > (float)height/width )
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{
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int w = (height*bmpWidth)/bmpHeight;
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float factor = (float)height/bmpHeight;
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mMove.set((width-w)/2,0,0);
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mScale.set( factor,factor,factor );
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}
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else
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{
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int h = (width*bmpHeight)/bmpWidth;
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float factor = (float)width/bmpWidth;
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mMove.set(0,(height-h)/2,0);
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mScale.set( factor,factor,factor );
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}
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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.monalisa);
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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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bmpHeight = bitmap.getHeight();
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bmpWidth = bitmap.getWidth();
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// We could have gotten here after the activity went to the background
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// for a brief amount of time; in this case mTexture is already created.
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// Do not leak memory by creating it the second time around.
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if( mTexture==null ) mTexture = new DistortedTexture(bmpWidth,bmpHeight);
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// likewise the Mesh
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if( mMesh==null ) mMesh = new MeshFlat(9,9*bmpHeight/bmpWidth);
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// even if mTexture wasn't null, we still need to call setTexture() on it
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// because every time activity goes to background, its OpenGL resources
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// - including Textures - get deleted. We always need to call setTexture()
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// to recreate the internal OpenGL textures.
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mTexture.setTexture(bitmap);
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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VertexEffectDistort.enable();
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try
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{
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Distorted.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("MonaLisa", ex.getMessage() );
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}
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}
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}
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