Package org.openpdf.renderer.pattern

Class ShaderType2

java.lang.Object

org.openpdf.renderer.pattern.PDFShader

org.openpdf.renderer.pattern.ShaderType2

public class ShaderType2
extends PDFShader

A shader that performs axial shader based on a function.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	ShaderType2.Type2Paint	A subclass of paint that uses this shader to generate a paint
(package private) class	ShaderType2.Type2PaintContext	A simple paint context that uses an existing raster in device space to generate pixels

Field Summary

Fields

Modifier and Type	Field	Description
private Point2D	axisEnd	the end of the axis
private Point2D	axisStart	the start of the axis
private boolean	extendEnd	whether to extend the end of the axis
private boolean	extendStart	whether to extend the start of the axis
private PDFFunction[]	functions	functions, as an array of either 1 or n functions
private float	maxT	the domain maximum
private float	minT	the domain minimum

Fields inherited from class org.openpdf.renderer.pattern.PDFShader

AXIAL_SHADING, COONS_PATCH_MESH_SHADING, FREE_FORM_SHADING, FUNCTION_SHADING, LATTICE_SHADING, RADIAL_SHADING, TENSOR_PRODUCTS_MESH_SHADING, TOLERANCE

Constructor Summary

Constructors

Constructor	Description
ShaderType2()	Creates a new instance of ShaderType2

Method Summary

Modifier and Type	Method	Description
Point2D	getAxisEnd()	Get the end of the axis
Point2D	getAxisStart()	Get the start of the axis
boolean	getExtendEnd()	Get whether to extend the end of the axis
boolean	getExtendStart()	Get whether to extend the start of the axis
PDFFunction[]	getFunctions()	Get the functions associated with this shader
float	getMaxT()	Get the domain maximum
float	getMinT()	Get the domain minimum
PDFPaint	getPaint()	Create a paint that paints this pattern
void	parse(PDFObject shaderObj)	Parse the shader-specific data
protected void	setAxisEnd(Point2D axisEnd)	Set the start of the axis
protected void	setAxisStart(Point2D axisStart)	Set the start of the axis
protected void	setExtendEnd(boolean extendEnd)	Set whether to extend the end of the axis
protected void	setExtendStart(boolean extendStart)	Set whether to extend the start of the axis
protected void	setFunctions(PDFFunction[] functions)	Set the functions associated with this shader
protected void	setMaxT(float maxT)	Set the domain maximum
protected void	setMinT(float minT)	Set the domain minimum

Methods inherited from class org.openpdf.renderer.pattern.PDFShader

getBackground, getBBox, getColorSpace, getShader, getType, setBackground, setBBox, setColorSpace

Methods inherited from class java.lang.Object

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

Field Details

axisStart

private Point2D axisStart

the start of the axis

axisEnd

private Point2D axisEnd

the end of the axis

minT

private float minT

the domain minimum

maxT

private float maxT

the domain maximum

extendStart

private boolean extendStart

whether to extend the start of the axis

extendEnd

private boolean extendEnd

whether to extend the end of the axis

functions

private PDFFunction[] functions

functions, as an array of either 1 or n functions

Constructor Details

ShaderType2

public ShaderType2()

Creates a new instance of ShaderType2

Method Details

parse

public void parse(PDFObject shaderObj)
           throws IOException

Parse the shader-specific data

Specified by:

parse in class PDFShader

Throws:

IOException

getPaint

public PDFPaint getPaint()

Create a paint that paints this pattern

Specified by:

getPaint in class PDFShader

getAxisStart

public Point2D getAxisStart()

Get the start of the axis

setAxisStart

protected void setAxisStart(Point2D axisStart)

Set the start of the axis

getAxisEnd

public Point2D getAxisEnd()

Get the end of the axis

setAxisEnd

protected void setAxisEnd(Point2D axisEnd)

Set the start of the axis

getMinT

public float getMinT()

Get the domain minimum

setMinT

protected void setMinT(float minT)

Set the domain minimum

getMaxT

public float getMaxT()

Get the domain maximum

setMaxT

protected void setMaxT(float maxT)

Set the domain maximum

getExtendStart

public boolean getExtendStart()

Get whether to extend the start of the axis

setExtendStart

protected void setExtendStart(boolean extendStart)

Set whether to extend the start of the axis

getExtendEnd

public boolean getExtendEnd()

Get whether to extend the end of the axis

setExtendEnd

protected void setExtendEnd(boolean extendEnd)

Set whether to extend the end of the axis

getFunctions

public PDFFunction[] getFunctions()

Get the functions associated with this shader

setFunctions

protected void setFunctions(PDFFunction[] functions)

Set the functions associated with this shader