public float[] getSamples(int x, int y, int w, int h, int b, float[] fArray)
public int[] getSamples(int x, int y, int w, int h, int b, int[] iArray)
  public float[] getSamples(int x, int y, int w, int h, int b,			    float[] fArray)  {    return sampleModel.getSamples(x-sampleModelTranslateX,				  y-sampleModelTranslateY,				  w, h, b, fArray, dataBuffer);	}