Package org.apache.pdfbox.pdmodel.graphics.shading

Class ShadingContext

java.lang.Object

org.apache.pdfbox.pdmodel.graphics.shading.ShadingContext

All Implemented Interfaces:

PaintContext

Direct Known Subclasses:

AxialShadingContext, RadialShadingContext

public abstract class ShadingContext
extends Object
implements PaintContext

A base class to handle what is common to all shading types.

Author:

Shaola Ren, Tilman Hausherr

Constructor Summary

Constructors

Constructor	Description
ShadingContext(PDShading shading, ColorModel cm, AffineTransform xform, Matrix matrix)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	dispose()
ColorModel	getColorModel()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.awt.PaintContext

getRaster

Constructor Details

ShadingContext

public ShadingContext(PDShading shading,
 ColorModel cm,
 AffineTransform xform,
 Matrix matrix)
               throws IOException

Constructor.

Parameters:

shading - the shading type to be used

cm - the color model to be used

xform - transformation for user to device space

matrix - the pattern matrix concatenated with that of the parent content stream

Throws:

IOException - if there is an error getting the color space or doing background color conversion.

Method Details

getColorModel

public ColorModel getColorModel()

Specified by:

getColorModel in interface PaintContext

dispose

public void dispose()

Specified by:

dispose in interface PaintContext