de.intarsys.pdf.filter

Class Prediction

java.lang.Object

de.intarsys.pdf.filter.Prediction

All Implemented Interfaces:

IPrediction

Direct Known Subclasses:

NoPrediction, PNGPrediction, TIFFPrediction

public abstract class Prediction
extends Object
implements IPrediction

Field Summary

Fields

Modifier and Type	Field and Description
static COSName	DK_BitsPerComponent
static COSName	DK_Colors
static COSName	DK_Columns
static COSName	DK_Predictor
static int	None
static int	PNGAverage
static int	PNGNone
static int	PNGOptimum
static int	PNGPaeth
static int	PNGSub
static int	PNGUp
static int	TIFF

Constructor Summary

Constructors

Constructor and Description
Prediction(COSDictionary options)

Method Summary

Methods

Modifier and Type	Method and Description
int	computeResultRowSize()
int	computeSourceRowSize()
byte[]	decode(byte[] source)
int	getBitsPerComponent()
int	getColors()
int	getColumns()
int	getResultRowSize()
int	getSourceRowSize()

Methods inherited from class java.lang.Object

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

Field Detail

DK_BitsPerComponent

public static final COSName DK_BitsPerComponent

DK_Colors

public static final COSName DK_Colors

DK_Columns

public static final COSName DK_Columns

DK_Predictor

public static final COSName DK_Predictor

None

public static final int None

See Also:

Constant Field Values

PNGAverage

public static final int PNGAverage

See Also:

Constant Field Values

PNGNone

public static final int PNGNone

See Also:

Constant Field Values

PNGOptimum

public static final int PNGOptimum

See Also:

Constant Field Values

PNGPaeth

public static final int PNGPaeth

See Also:

Constant Field Values

PNGSub

public static final int PNGSub

See Also:

Constant Field Values

PNGUp

public static final int PNGUp

See Also:

Constant Field Values

TIFF

public static final int TIFF

See Also:

Constant Field Values

Constructor Detail

Prediction

public Prediction(COSDictionary options)

Method Detail

computeResultRowSize

public int computeResultRowSize()

computeSourceRowSize

public int computeSourceRowSize()

decode

public byte[] decode(byte[] source)
              throws IOException

Specified by:

decode in interface IPrediction

Throws:

IOException

getBitsPerComponent

public int getBitsPerComponent()

getColors

public int getColors()

getColumns

public int getColumns()

getResultRowSize

public int getResultRowSize()

getSourceRowSize

public int getSourceRowSize()