private void WritePixels()
{
LZWEncoder encoder = new LZWEncoder(this.width, this.height, this.indexedPixels, this.colorDepth);
encoder.Encode(this.fs);
}
/**
* Encodes and writes pixel data
*/
protected void WritePixels()
{
LZWEncoder encoder =
new LZWEncoder(width, height, indexedPixels, colorDepth);
encoder.Encode( fs );
}