Package org.loboevolution.pdfview.colorspace

Class PatternSpace

java.lang.Object

org.loboevolution.pdfview.colorspace.PDFColorSpace

org.loboevolution.pdfview.colorspace.PatternSpace

public class PatternSpace
extends PDFColorSpace

A PatternSpace fills with a pattern, the name of which is specified in the call to getPaint(). This pattern is read from the resources of the current page. The pattern space may also have a base color space which the pattern is defined in.

Field Summary

Fields inherited from class org.loboevolution.pdfview.colorspace.PDFColorSpace

COLORSPACE_CMYK, COLORSPACE_GRAY, COLORSPACE_PATTERN, COLORSPACE_RGB

Constructor Summary

Constructors

Constructor	Description
PatternSpace()	Constructor for PatternSpace.
PatternSpace(PDFColorSpace base)	Create a pattern space with the given color space as a base

Method Summary

Modifier and Type	Method	Description
PDFColorSpace	getBase()	Get the base color space
int	getNumComponents()	get the number of components expected in the getPaint command
PDFPaint	getPaint(float[] components)	get the PDFPaint representing the color described by the given color components
PDFPaint	getPaint(PDFObject patternObj, float[] components, Map resources)	Get the paint representing a pattern, optionally with the given base paint.

Methods inherited from class org.loboevolution.pdfview.colorspace.PDFColorSpace

getColorSpace, getColorSpace, getColorSpace

Methods inherited from class java.lang.Object

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

Constructor Details

PatternSpace

public PatternSpace()

Constructor for PatternSpace.

PatternSpace

public PatternSpace(PDFColorSpace base)

Create a pattern space with the given color space as a base

Parameters:

base - a PDFColorSpace object.

Method Details

getBase

public PDFColorSpace getBase()

Get the base color space

Returns:

a PDFColorSpace object.

getNumComponents

public int getNumComponents()

get the number of components expected in the getPaint command

Get the number of components we want

Overrides:

getNumComponents in class PDFColorSpace

Returns:

a Integer object.

getPaint

public PDFPaint getPaint(float[] components)

get the PDFPaint representing the color described by the given color components

get the PDFPaint representing the color described by the given color components

Overrides:

getPaint in class PDFColorSpace

Parameters:

components - the color components corresponding to the given colorspace

Returns:

a PDFPaint object representing the closest Color to the given components.

getPaint

public PDFPaint getPaint(PDFObject patternObj,
 float[] components,
 Map resources)
                  throws IOException

Get the paint representing a pattern, optionally with the given base paint.

Parameters:

patternObj - the pattern to render

components - the components of the base paint

resources - a Map object.

Returns:

a PDFPaint object.

Throws:

IOException - if any.