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 Object

A base class to handle stuff that is common to all shading types.

Author:

Shaola Ren, Tilman Hausherr

Field Summary

protected PDRectangle	bboxRect
protected PDColorSpace	colorSpace
protected Rectangle	deviceBounds
protected float	maxBBoxX
protected float	maxBBoxY
protected float	minBBoxX
protected float	minBBoxY
protected ColorModel	outputColorModel
protected PDShadingResources	shading
protected ColorSpace	shadingColorSpace
protected PDFunction	shadingTinttransform

Constructor Summary

ShadingContext(PDShadingResources shading, ColorModel cm, AffineTransform xform, Matrix ctm, int pageHeight, Rectangle dBounds)

Method Summary

protected int	convertToRGB(float[] values)
PDFunction	getShadingTintTransform() Returns the function used for the shading tint transformation.

Methods inherited from class java.lang.Object

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

Field Detail

shading

protected final PDShadingResources shading

deviceBounds

protected final Rectangle deviceBounds

shadingColorSpace

protected ColorSpace shadingColorSpace

colorSpace

protected PDColorSpace colorSpace

bboxRect

protected PDRectangle bboxRect

minBBoxX

protected float minBBoxX

minBBoxY

protected float minBBoxY

maxBBoxX

protected float maxBBoxX

maxBBoxY

protected float maxBBoxY

outputColorModel

protected ColorModel outputColorModel

shadingTinttransform

protected PDFunction shadingTinttransform

Constructor Detail

ShadingContext

public ShadingContext(PDShadingResources shading,
                      ColorModel cm,
                      AffineTransform xform,
                      Matrix ctm,
                      int pageHeight,
                      Rectangle dBounds)
               throws IOException

Throws:

IOException

Method Detail

convertToRGB

protected int convertToRGB(float[] values)

getShadingTintTransform

public PDFunction getShadingTintTransform()

Returns the function used for the shading tint transformation.

Returns:

the shading tint transformation function