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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.Distorted;
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import org.distorted.library.DistortedEffects;
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import org.distorted.library.DistortedEffectsPostprocess;
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import org.distorted.library.DistortedNode;
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import org.distorted.library.DistortedScreen;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.EffectNames;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.MeshFlat;
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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 GLSurfaceView mView;
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private DistortedTexture mTexture;
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private DistortedEffects mEffects;
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private DistortedEffectsPostprocess mPostEffects;
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private DistortedScreen mScreen;
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private MeshFlat mMesh;
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private Static1D mRadiusSta;
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private int bmpHeight, bmpWidth;
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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 MeshFlat(1,1);
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mEffects = new DistortedEffects();
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mPostEffects = new DistortedEffectsPostprocess();
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mScreen = new DistortedScreen();
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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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mPostEffects.blur(radiusDyn);
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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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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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mEffects.abortEffects(EffectTypes.MATRIX);
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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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mEffects.move( new Static3D((width-w)/2,0,0) );
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mEffects.scale(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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mEffects.move( new Static3D(0,(height-h)/2,0) );
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mEffects.scale(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.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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bmpHeight = bitmap.getHeight();
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bmpWidth = bitmap.getWidth();
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if( mTexture==null ) mTexture = new DistortedTexture(bmpWidth,bmpHeight);
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mTexture.setTexture(bitmap);
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mScreen.detachAll();
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DistortedNode node = new DistortedNode(mTexture,mEffects,mMesh);
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node.setPostprocessEffects(mPostEffects);
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mScreen.attach(node);
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DistortedEffects.enableEffect(EffectNames.BLUR);
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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("Blur", ex.getMessage() );
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}
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}
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}
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