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7cb8d4b0
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2022 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.bandaged;
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import android.app.Activity;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.widget.Toast;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.lang.ref.WeakReference;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.util.Vector;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class BandagedCreatorWorkerThread extends Thread
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{
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private static Vector<WorkLoad> mBuffers;
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private static BandagedCreatorWorkerThread mThis=null;
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private static WeakReference<Activity> mWeakAct;
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private static class WorkLoad
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{
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ByteBuffer buffer;
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int width;
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int height;
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int numColors;
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String filename;
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WorkLoad(ByteBuffer buf, int w, int h, int n, String name)
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{
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buffer = buf;
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width = w;
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height = h;
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numColors= n;
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filename = name;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private BandagedCreatorWorkerThread()
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void create(Activity act)
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{
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mWeakAct = new WeakReference<>(act);
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if( mThis==null )
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{
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mBuffers = new Vector<>();
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mThis = new BandagedCreatorWorkerThread();
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mThis.start();
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void run()
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{
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WorkLoad load;
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while(true)
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{
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synchronized(mThis)
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{
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while( mBuffers.size()>0 )
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{
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load = mBuffers.remove(0);
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process(load);
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}
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try { mThis.wait(); }
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catch(InterruptedException ex) { }
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static void newBuffer(ByteBuffer buffer, int width, int height, int numColors, String filename)
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{
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synchronized(mThis)
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{
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WorkLoad load = new WorkLoad(buffer,width,height,numColors,filename);
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mBuffers.add(load);
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mThis.notify();
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean containsBlackness(byte[] tmp, int width)
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{
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for(int i=0; i<width; i++)
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{
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if( tmp[4*i]==0 && tmp[4*i+3]==-1 ) return true;
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeFirstRow(ByteBuffer buf, byte[] tmp, int width, int height)
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{
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int wBytes = 4*width;
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for(int i=0; i<height; i++)
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{
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buf.position(i*wBytes);
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buf.get(tmp);
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if( containsBlackness(tmp,width) ) return i;
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}
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20b60ad9
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Leszek Koltunski
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return 0;
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7cb8d4b0
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeLastRow(ByteBuffer buf, byte[] tmp, int width, int height)
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{
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int wBytes = 4*width;
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for(int i=height-1; i>=0; i--)
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{
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buf.position(i*wBytes);
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buf.get(tmp);
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if( containsBlackness(tmp,width) ) return i;
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}
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20b60ad9
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Leszek Koltunski
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return width-1;
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7cb8d4b0
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// GL uses a coordinate system from mathematics; i.e. (0,0) is in the lower-left corner. 2D stuff
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// has the origin on the upper-left corner; we have to flip our bitmap upside down!
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//
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// We also need to figure out the topmost and bottommost rows where the object starts and cut out
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// a square section from the 'input' so that the object is vertically centralized.
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private ByteBuffer adjustBuffer(ByteBuffer input, byte[] tmp, int width, int height)
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{
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int wBytes = 4*width;
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ByteBuffer output = ByteBuffer.allocateDirect(wBytes*width);
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output.order(ByteOrder.LITTLE_ENDIAN);
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int firstRow = computeFirstRow(input,tmp,width,height);
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int lastRow = computeLastRow(input,tmp,width,height);
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int startRow = (firstRow+lastRow+width)/2;
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for(int i=0; i<width; i++)
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{
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input.position((startRow-i)*wBytes);
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input.get(tmp);
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output.position(i*wBytes);
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output.put(tmp);
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}
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output.rewind();
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return output;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void replaceColor(byte[] tmp, int index, int numColors)
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{
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byte A = (byte)0xab;
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int CUTOFF = 100;
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switch(numColors)
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{
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case 4: if( tmp[index+1]==0 ) { tmp[index]=A; tmp[index+1]=0; tmp[index+2]=0; }
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else
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{
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if( tmp[index]==tmp[index+1] )
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{
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if( tmp[index]<0 || tmp[index]>CUTOFF ) { tmp[index]=A; tmp[index+1]=A; tmp[index+2]=0; }
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}
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else { tmp[index]=0; tmp[index+1]=0; tmp[index+2]=A; }
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}
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break;
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case 6: if( tmp[index+2]!=0 )
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{
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if( tmp[index]==0 ) { tmp[index]=0; tmp[index+1]=0; tmp[index+2]=A; }
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}
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else
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{
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if( tmp[index]==tmp[index+1] ) { tmp[index]=A; tmp[index+1]=A; tmp[index+2]=0; }
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else { tmp[index]=A; tmp[index+1]=0; tmp[index+2]=0; }
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}
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break;
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case 8: if( tmp[index+2]!=0 )
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{
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if( tmp[index+1]==0 ) { tmp[index]=A; tmp[index+1]=0; tmp[index+2]=0; }
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}
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else
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{
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if( tmp[index+1]==0 ) { tmp[index]=0; tmp[index+1]=0; tmp[index+2]=A; }
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else
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{
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if( tmp[index]==tmp[index+1] ) { tmp[index]=A; tmp[index+1]=A; tmp[index+2]=0; }
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else { tmp[index]=0; tmp[index+1]=A; tmp[index+2]=0; }
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}
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}
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break;
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case 12:if( tmp[index+2]==0 )
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{
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if( tmp[index+1]==0 ) {tmp[index]=A; tmp[index+1]=0; tmp[index+2]=0;}
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else {tmp[index]=0; tmp[index+1]=A; tmp[index+2]=0;}
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}
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else
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{
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if( tmp[index]==tmp[index+1] )
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{
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if( tmp[index]<0 || tmp[index]>CUTOFF ) {tmp[index]=A; tmp[index+1]=A; tmp[index+2]=0;}
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}
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else {tmp[index]=0; tmp[index+1]=0; tmp[index+2]=A;}
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}
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break;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private ByteBuffer replaceColors(ByteBuffer input, byte[] tmp, int size, int numColors)
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{
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int marker = (int)(255*BandagedCreatorRenderer.BRIGHTNESS);
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int wBytes = 4*size;
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ByteBuffer output = ByteBuffer.allocateDirect(wBytes*size);
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output.order(ByteOrder.LITTLE_ENDIAN);
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for(int i=0; i<size; i++)
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{
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input.position(i*wBytes);
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input.get(tmp);
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for(int j=0; j<size; j++)
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{
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if( tmp[4*j]==marker && tmp[4*j+1]==marker && tmp[4*j+2]==marker )
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{
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tmp[4*j ]=0;
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tmp[4*j+1]=0;
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tmp[4*j+2]=0;
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tmp[4*j+3]=0;
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}
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else if( tmp[4*j]!=0 || tmp[4*j+1]!=0 || tmp[4*j+2]!=0 ) replaceColor(tmp,4*j,numColors);
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}
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output.position(i*wBytes);
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output.put(tmp);
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}
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output.rewind();
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return output;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void process(WorkLoad load)
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{
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int width = load.width;
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int height= load.height;
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byte[] tmp = new byte[4*width];
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ByteBuffer bufSquare = adjustBuffer(load.buffer,tmp,width,height);
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eb6bccbd
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Leszek Koltunski
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// ByteBuffer bufTransp = replaceColors(bufSquare,tmp,width,load.numColors);
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7cb8d4b0
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Leszek Koltunski
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final String filename = load.filename;
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BufferedOutputStream bos =null;
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final Activity act = mWeakAct.get();
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try
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{
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bos = new BufferedOutputStream(new FileOutputStream(filename));
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Bitmap bmp = Bitmap.createBitmap( width, width, Bitmap.Config.ARGB_8888);
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eb6bccbd
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Leszek Koltunski
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bmp.copyPixelsFromBuffer(bufSquare);
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7cb8d4b0
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Leszek Koltunski
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bmp.compress(Bitmap.CompressFormat.PNG, 90, bos);
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BandagedCreatorActivity cact = (BandagedCreatorActivity)act;
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cact.iconCreationDone(bmp);
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}
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catch(final Exception ex)
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{
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act.runOnUiThread(new Runnable()
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{
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public void run()
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{
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Toast.makeText(act,
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"Saving to \n\n"+filename+"\n\n failed: "+"\n\n"+ex.getMessage() ,
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Toast.LENGTH_LONG).show();
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}
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});
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}
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finally
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{
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if(bos!=null)
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{
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try { bos.close(); }
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catch(IOException io) {}
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}
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}
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Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
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File f = new File(filename);
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Uri contentUri = Uri.fromFile(f);
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mediaScanIntent.setData(contentUri);
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act.sendBroadcast(mediaScanIntent);
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}
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}
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