multivalent.std.adaptor.pdf
Class Function

java.lang.Object
  multivalent.std.adaptor.pdf.Function

public abstract class Function

extends java.lang.Object

Function objects: sampled (type 0), exponential (2), stitching (3), PostScript calculator (4). Used by colorspaces and shading.

Version:

$Revision: 1.12 $ $Date: 2005/12/07 20:40:39 $

Method Summary

abstract void	compute(float[] input, float[] output) Compute the function from input and placing result in output.
static Function	getInstance(java.lang.Object dictref, PDFReader pdfr) Returns function instance corresponding to dictref, which should get an IRef or a Dict if the function is specified directly.
int	getM() Returns input arity.
int	getN() Returns output arity.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static Function getInstance(java.lang.Object dictref,
                                   PDFReader pdfr)
                            throws java.io.IOException

Returns function instance corresponding to dictref, which should get an IRef or a Dict if the function is specified directly.

Throws:

java.io.IOException

compute

public abstract void compute(float[] input,
                             float[] output)

Compute the function from input and placing result in output.

getM

public int getM()

Returns input arity.

getN

public int getN()

Returns output arity.