Package org.apache.pdfbox.jbig2.image

Class Scanline.GenericRasterScanline

java.lang.Object

org.apache.pdfbox.jbig2.image.Scanline

org.apache.pdfbox.jbig2.image.Scanline.GenericRasterScanline

Enclosing class:

Scanline

protected static final class Scanline.GenericRasterScanline
extends Scanline

A Scanline for packed integer pixels.

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[]	channelMask
private int	componentCount
private int[][]	data
private java.awt.image.WritableRaster	dstRaster
private java.awt.image.SampleModel	dstSM
private Scanline.ScanlineFilter	inputFilter
private java.awt.image.Raster	srcRaster
private java.awt.image.SampleModel	srcSM
private int[]	tmp

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

length, y

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GenericRasterScanline(java.awt.image.Raster src, java.awt.image.WritableRaster dst, int length, int[] bitsPerChannel, Scanline.ScanlineFilter inputFilter)

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

componentCount

private final int componentCount

data

private final int[][] data

srcSM

private final java.awt.image.SampleModel srcSM

dstSM

private final java.awt.image.SampleModel dstSM

channelMask

private final int[] channelMask

tmp

private final int[] tmp

inputFilter

private final Scanline.ScanlineFilter inputFilter

Constructor Detail

GenericRasterScanline

protected GenericRasterScanline(java.awt.image.Raster src,
                                java.awt.image.WritableRaster dst,
                                int length,
                                int[] bitsPerChannel,
                                Scanline.ScanlineFilter inputFilter)

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