Top Description Fields Constructors Methods
org.apache.pdfbox.pdmodel.graphics.shading

pack-priv Class Type1ShadingContext

extends ShadingContext
Class Inheritance
Imports
java.awt.geom.AffineTransform, .NoninvertibleTransformException, java.awt.image.ColorModel, .Raster, .WritableRaster, java.io.IOException, org.apache.commons.logging.Log, .LogFactory, org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace, org.apache.pdfbox.util.Matrix
AWT PaintContext for function-based (Type 1) shading.
Author
Tilman Hausherr

Field Summary

Modifier and TypeField and Description
private final float[]
domain

private static final Log
LOG

private AffineTransform
rat

private PDShadingType1
type1ShadingType

Constructor Summary

AccessConstructor and Description
pack-priv
Type1ShadingContext(PDShadingType1
the shading type to be used
shading, ColorModel
the color model to be used
colorModel, AffineTransform
transformation for user to device space
xform, Matrix
the pattern matrix concatenated with that of the parent content stream
matrix)

Constructor creates an instance to be used for fill operations.

Method Summary

Modifier and TypeMethod and Description
public void
dispose()

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

Implements java.awt.PaintContext.dispose.

Releases the resources allocated for the operation.

public float[]
getDomain()

public Raster
getRaster(int
the x coordinate of the area in device space for which colors are generated.
x, int
the y coordinate of the area in device space for which colors are generated.
y, int
the width of the area in device space
w, int
the height of the area in device space
h)

Implements java.awt.PaintContext.getRaster.

Returns a Raster containing the colors generated for the graphics operation.

Inherited from org.apache.pdfbox.pdmodel.graphics.shading.ShadingContext:
convertToRGBgetBackgroundgetColorModelgetRgbBackgroundgetShadinggetShadingColorSpace

Field Detail

domainback to summary
private final float[] domain
LOGback to summary
private static final Log LOG
ratback to summary
private AffineTransform rat
type1ShadingTypeback to summary
private PDShadingType1 type1ShadingType

Constructor Detail

Type1ShadingContextback to summary
pack-priv Type1ShadingContext(PDShadingType1 shading, ColorModel colorModel, AffineTransform xform, Matrix matrix) throws IOException

Constructor creates an instance to be used for fill operations.

Parameters
shading:PDShadingType1

the shading type to be used

colorModel:ColorModel

the color model to be used

xform:AffineTransform

transformation for user to device space

matrix:Matrix

the pattern matrix concatenated with that of the parent content stream

Method Detail

disposeback to summary
public void dispose()

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

Implements java.awt.PaintContext.dispose.

Doc from java.awt.PaintContext.dispose.

Releases the resources allocated for the operation.

Annotations
@Override
getDomainback to summary
public float[] getDomain()
getRasterback to summary
public Raster getRaster(int x, int y, int w, int h)

Implements java.awt.PaintContext.getRaster.

Doc from java.awt.PaintContext.getRaster.

Returns a Raster containing the colors generated for the graphics operation.

Parameters
x:int

the x coordinate of the area in device space for which colors are generated.

y:int

the y coordinate of the area in device space for which colors are generated.

w:int

the width of the area in device space

h:int

the height of the area in device space

Returns:Raster

a Raster representing the specified rectangular area and containing the colors generated for the graphics operation.

Annotations
@Override