Package org.apache.pdfbox.jbig2.image

Class Scanline.ByteBiLevelPackedScanline

java.lang.Object

org.apache.pdfbox.jbig2.image.Scanline

org.apache.pdfbox.jbig2.image.Scanline.ByteBiLevelPackedScanline

Enclosing class:

Scanline

protected static final class Scanline.ByteBiLevelPackedScanline
extends Scanline

A Scanline for BiLevel input data (MultiPixelPackedSampleModel) to indexed output data (sun.awt.image.ByteInterleavedRaster).

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pdfbox.jbig2.image.Scanline

Scanline.ByteBGRScanline, Scanline.ByteBiLevelPackedScanline, Scanline.GenericRasterScanline, Scanline.IntegerSinglePixelPackedScanline, Scanline.ScanlineFilter

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	data
private java.awt.image.WritableRaster	dstRaster
private java.awt.image.Raster	srcRaster

Fields inherited from class org.apache.pdfbox.jbig2.image.Scanline

length, y

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ByteBiLevelPackedScanline(java.awt.image.Raster src, java.awt.image.WritableRaster dst, int length)

Method Summary

Modifier and Type	Method	Description
protected void	accumulate(int weight, Scanline dst)
protected void	clear()
protected void	fetch(int x, int y)
protected void	filter(int[] preShift, int[] postShift, Weighttab[] tabs, Scanline dst)
protected void	shift(int[] shift)
protected void	store(int x, int y)

Methods inherited from class org.apache.pdfbox.jbig2.image.Scanline

getWidth

Methods inherited from class java.lang.Object

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

Field Detail

srcRaster

private final java.awt.image.Raster srcRaster

dstRaster

private final java.awt.image.WritableRaster dstRaster

data

private final int[] data

Constructor Detail

ByteBiLevelPackedScanline

protected ByteBiLevelPackedScanline(java.awt.image.Raster src,
                                    java.awt.image.WritableRaster dst,
                                    int length)

Method Detail

accumulate

protected void accumulate(int weight,
                          Scanline dst)

Specified by:

accumulate in class Scanline

clear

protected void clear()

Specified by:

clear in class Scanline

fetch

protected void fetch(int x,
                     int y)

Specified by:

fetch in class Scanline

filter

protected void filter(int[] preShift,
                      int[] postShift,
                      Weighttab[] tabs,
                      Scanline dst)

Specified by:

filter in class Scanline

shift

protected void shift(int[] shift)

Specified by:

shift in class Scanline

store

protected void store(int x,
                     int y)

Specified by:

store in class Scanline