Class PdfBoxGraphics2DPaintApplier.CreateAlphaShadingMask

java.lang.Object

de.rototor.pdfbox.graphics2d.PdfBoxGraphics2DPaintApplier.CreateAlphaShadingMask

All Implemented Interfaces:

PdfBoxGraphics2DPaintApplier.ShadingMaskModifier

Enclosing class:

PdfBoxGraphics2DPaintApplier

private final class PdfBoxGraphics2DPaintApplier.CreateAlphaShadingMask
extends Object
implements PdfBoxGraphics2DPaintApplier.ShadingMaskModifier

Field Summary

Fields

Modifier and Type	Field	Description
private final PdfBoxGraphics2DColor[]	alphaGrayscaleColors
private final float[]	fractions
private static final boolean	USE_PATTERN

Constructor Summary

Constructors

Constructor	Description
CreateAlphaShadingMask(float[] fractions, PdfBoxGraphics2DColor[] alphaGrayscaleColors)

Method Summary

Modifier and Type	Method	Description
org.apache.pdfbox.pdmodel.graphics.shading.PDShading	applyMasking(PdfBoxGraphics2DPaintApplier.PaintApplierState state, org.apache.pdfbox.pdmodel.graphics.shading.PDShading shading)
private org.apache.pdfbox.pdmodel.graphics.shading.PDShading	createMaskShading(PdfBoxGraphics2DPaintApplier.PaintApplierState state, org.apache.pdfbox.pdmodel.graphics.shading.PDShading shading)
private int	patchFunction(int colorIdx, org.apache.pdfbox.cos.COSDictionary cosBase)

Methods inherited from class Object

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

Field Details

fractions

private final float[] fractions

alphaGrayscaleColors

private final PdfBoxGraphics2DColor[] alphaGrayscaleColors

USE_PATTERN

private static final boolean USE_PATTERN

See Also:

• Constant Field Values

Constructor Details

CreateAlphaShadingMask

public CreateAlphaShadingMask(float[] fractions,
 PdfBoxGraphics2DColor[] alphaGrayscaleColors)

Method Details

applyMasking

public org.apache.pdfbox.pdmodel.graphics.shading.PDShading applyMasking(PdfBoxGraphics2DPaintApplier.PaintApplierState state,
 org.apache.pdfbox.pdmodel.graphics.shading.PDShading shading)
                                                                  throws IOException

Specified by:

applyMasking in interface PdfBoxGraphics2DPaintApplier.ShadingMaskModifier

Throws:

IOException

createMaskShading

private org.apache.pdfbox.pdmodel.graphics.shading.PDShading createMaskShading(PdfBoxGraphics2DPaintApplier.PaintApplierState state,
 org.apache.pdfbox.pdmodel.graphics.shading.PDShading shading)
                                                                        throws IOException

Throws:

IOException

patchFunction

private int patchFunction(int colorIdx,
 org.apache.pdfbox.cos.COSDictionary cosBase)