Package com.itextpdf.kernel.pdf.function

Class PdfType4Function

java.lang.Object

com.itextpdf.kernel.pdf.PdfObjectWrapper

com.itextpdf.kernel.pdf.function.AbstractPdfFunction<PdfStream>

com.itextpdf.kernel.pdf.function.PdfType4Function

All Implemented Interfaces:

IPdfFunction

       public class PdfType4Function extends AbstractPdfFunction<PdfStream>
      

Constructor Summary

Constructors

Constructor	Description
PdfType4Function(double[] domain, double[] range, byte[] code)
PdfType4Function(float[] domain, float[] range, byte[] code)
PdfType4Function(PdfStream dict)

Method Summary

Modifier and Type	Method	Description
double[]	calculate(double[] input)	Calculates one set of input components to one set of output components.
boolean	checkCompatibilityWithColorSpace(PdfColorSpace alternateSpace)	Chacks wether the output of the function matches in components with the passed by color space.

Methods inherited from class com.itextpdf.kernel.pdf.function.AbstractPdfFunction

calculateFromByteArray, calculateFromByteArray, clip, clipInput, clipOutput, convertFloatArrayToDoubleArray, getAsPdfObject, getDomain, getFunctionType, getInputSize, getOutputSize, getRange, isWrappedObjectMustBeIndirect, normalize, setDomain, setRange

Methods inherited from class com.itextpdf.kernel.pdf.PdfObjectWrapper

ensureObjectIsAddedToDocument, ensureUnderlyingObjectHasIndirectReference, flush, getPdfObject, isFlushed, makeIndirect, makeIndirect, markObjectAsIndirect, setForbidRelease, setModified, setPdfObject, unsetForbidRelease

Methods inherited from class java.lang.Object

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

Constructor Details

PdfType4Function

             public PdfType4Function
             (PdfStream dict)
            

PdfType4Function

             public PdfType4Function
             (double[] domain, double[] range, byte[] code)
            

PdfType4Function

             public PdfType4Function
             (float[] domain, float[] range, byte[] code)
            

Method Details

checkCompatibilityWithColorSpace

             public boolean checkCompatibilityWithColorSpace
             (PdfColorSpace alternateSpace)
            

Description copied from class: AbstractPdfFunction

Chacks wether the output of the function matches in components with the passed by color space.

Specified by:

checkCompatibilityWithColorSpace in interface IPdfFunction

Overrides:

checkCompatibilityWithColorSpace in class AbstractPdfFunction<PdfStream>

Parameters:

alternateSpace - The color space to verify against

Returns:

True when compatible

calculate

             public double[] calculate
             (double[] input)
            

Description copied from interface: IPdfFunction

Calculates one set of input components to one set of output components.

Parameters:

input - The input values size must contain IPdfFunction.getInputSize() items

Returns:

an array the size of IPdfFunction.getOutputSize() items containing the result