if( distort )
{
uniqueId = new StringBuffer( "igcaptcha" );
uniqueId.append( "_" + Math.abs( text.hashCode() ) );
uniqueId.append( "_" + ( renderAttributes != null ? Math.abs( renderAttributes.hashCode() ) : 4711 ) );
imageRenderer.distortImage();
}
String fileName = uniqueId + "." + imageRenderer.getImageFormatName(); // default is png
// write the result