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copied!<pre><code>public class TouchView extends View{ private File tempFile; private byte[] imageArray; private Bitmap bgr; private Bitmap bm; private Bitmap bgr2 = null;; private Paint pTouch; private int centreX = 1; private int centreY = 1; private int radius = 50; private int Progress = 1; private static final String TAG = "*********TouchView"; private Filters f = null; public TouchView(Context context) { super(context); // TouchView(context, null); } public TouchView(Context context, AttributeSet attr) { super(context,attr); //code to get image from camera and sdcard bgr2 = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), bm.getConfig()); f = new Filters(); }// end of touchView constructor public void findCirclePixels(){ float prog = (float)Progress/150000; bgr2 = f.barrel(bgr,prog); }// end of changePixel() public void initSlider(final HorizontalSlider slider) { Log.e(TAG, "******setting up slider*********** "); slider.setOnProgressChangeListener(changeListener); } private OnProgressChangeListener changeListener = new OnProgressChangeListener() { @Override public void onProgressChanged(View v, int progress) { // TODO Auto-generated method stub setProgress(progress); Log.e(TAG, "***********progress = "+Progress); } }; private class MyTask extends AsyncTask<Void, Void, Void> { protected void onPreExecute() { } @Override protected Void doInBackground(Void... params) { TouchView.this.findCirclePixels(); } protected void onPostExecute(Void result) { TouchView.this.invalidate(); } } @Override public void onDraw(Canvas canvas){ super.onDraw(canvas); canvas.drawBitmap(bgr2, 0, 0, null); }//end of onDraw protected void setProgress(int progress2) { this.Progress = progress2; new MyTask.execute(); } } </code></pre>

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