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

Class ShadingContext

java.lang.Object

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

Direct Known Subclasses:

AxialShadingContext, RadialShadingContext

public abstract class ShadingContext
extends java.lang.Object

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, java.awt.image.ColorModel cm, java.awt.geom.AffineTransform xform, Matrix matrix)	Constructor.

Method Summary

Methods inherited from class java.lang.Object

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

Constructor Detail

ShadingContext

public ShadingContext(PDShading shading,
                      java.awt.image.ColorModel cm,
                      java.awt.geom.AffineTransform xform,
                      Matrix matrix)
               throws java.io.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:

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