Apache PDFBox 3.0.4 · org.apache.pdfbox.pdmodel.common.function.PDFunctionType2

Modifier and Type	Field and Description
private final COSArray	c0 The C0 values of the exponential function.
private final COSArray	c1 The C1 values of the exponential function.
private final float	exponent The exponent value of the exponential function.

Access	Constructor and Description
public	PDFunctionType2(COSBase The function. function) Constructor.

Method Summary

Modifier and Type	Method and Description
public float[]	eval(float[] The array of input values for the function. In many cases will be an array of a single value, but not always. input) Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.eval. Performs exponential interpolation Evaluates the function at the given input.
public COSArray	Returns: a COSArray with the C0 values getC0() Returns the C0 values of the function, 0 if empty.
public COSArray	Returns: a COSArray with the C1 values getC1() Returns the C1 values of the function, 1 if empty.
public int	getFunctionType() Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.getFunctionType. Returns the function type.
public float	Returns: the float value of the exponent getN() Returns the exponent of the function.
public String	toString() Overrides org.apache.pdfbox.pdmodel.common.function.PDFunction.toString. Returns a string representation of the object.

Inherited from org.apache.pdfbox.pdmodel.common.function.PDFunction:: clipToRange clipToRange create getCOSObject getDomainForInput getNumberOfInputParameters getNumberOfOutputParameters getPDStream getRangeForOutput getRangeValues interpolate setDomainValues setRangeValues

c0	back to summary
private final COSArray c0 The C0 values of the exponential function.

c1	back to summary
private final COSArray c1 The C1 values of the exponential function.

exponent	back to summary
private final float exponent The exponent value of the exponential function.

PDFunctionType2	back to summary
public PDFunctionType2(COSBase function) Constructor. Parameters function:COSBase The function.

Method Detail

eval	back to summary
public float[] eval(float[] input) throws IOException Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.eval. Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.eval. Performs exponential interpolation Evaluates the function at the given input. ReturnValue = f(input) Parameters input:float[] The array of input values for the function. In many cases will be an array of a single value, but not always. Returns:float[] The of outputs the function returns based on those inputs. In many cases will be an array of a single value, but not always. Annotations @Override Exceptions IOException: if something went wrong processing the function.

eval

back to summary

public float[] eval(float[] input) throws IOException

Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.eval.

Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.eval.

Performs exponential interpolation Evaluates the function at the given input. ReturnValue = f(input)

Parameters

input:float[]: The array of input values for the function. In many cases will be an array of a single value, but not always.

Returns:float[]

The of outputs the function returns based on those inputs. In many cases will be an array of a single value, but not always.

Annotations

@Override

Exceptions

IOException:: if something went wrong processing the function.

getC0	back to summary
public COSArray getC0() Returns the C0 values of the function, 0 if empty. Returns:COSArray a COSArray with the C0 values

getC0

back to summary

public COSArray getC0()

Returns the C0 values of the function, 0 if empty.

Returns:COSArray: a COSArray with the C0 values

getC1	back to summary
public COSArray getC1() Returns the C1 values of the function, 1 if empty. Returns:COSArray a COSArray with the C1 values

getC1

back to summary

public COSArray getC1()

Returns the C1 values of the function, 1 if empty.

Returns:COSArray: a COSArray with the C1 values

getFunctionType	back to summary
public int getFunctionType() Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.getFunctionType. Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.getFunctionType. Returns the function type. Possible values are: 0 - Sampled function 2 - Exponential interpolation function 3 - Stitching function 4 - PostScript calculator function Returns:int the function type. Annotations @Override

getFunctionType

back to summary

public int getFunctionType()

Implements abstract org.apache.pdfbox.pdmodel.common.function.PDFunction.getFunctionType.

Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.getFunctionType.

Returns the function type. Possible values are: 0 - Sampled function 2 - Exponential interpolation function 3 - Stitching function 4 - PostScript calculator function

Returns:int

the function type.

Annotations

@Override

getN	back to summary
public float getN() Returns the exponent of the function. Returns:float the float value of the exponent

getN

back to summary

public float getN()

Returns the exponent of the function.

Returns:float: the float value of the exponent

toString back to summary

toString	back to summary
public String toString() Overrides org.apache.pdfbox.pdmodel.common.function.PDFunction.toString. Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.toString. Returns a string representation of the object. Satisfying this method's contract implies a non-`null` result must be returned. Returns:String Doc from java.lang.Object.toString. a string representation of the object Annotations @Override

public String toString()

Overrides org.apache.pdfbox.pdmodel.common.function.PDFunction.toString.

Doc from org.apache.pdfbox.pdmodel.common.function.PDFunction.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

Doc from java.lang.Object.toString.

a string representation of the object

Annotations

@Override

public Class PDFunctionType2

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