cz.cuni.jagrlib.piece
Class ImagePredictor

java.lang.Object
  cz.cuni.jagrlib.DefaultProperty
      cz.cuni.jagrlib.Piece
          cz.cuni.jagrlib.DefaultIntFunction
              cz.cuni.jagrlib.piece.ImagePredictor

All Implemented Interfaces:

Breakable, IntFunction, Property, Template

public class ImagePredictor
extends DefaultIntFunction

Raster image prediction template.

Since:

0.24

See Also:

ImagePredictor.java

Nested Class Summary

protected static class

ImagePredictor.PredictorType Implemented predictors.

Field Summary

protected static java.lang.String	CATEGORY Object category.
protected int	height Image height (accelerator).
protected RasterGraphics	image Reference to the raster image (accelerator).
static int	MAX_PRECINCT Maximal value of precinctSize.
protected int	maxValue Maximum value of one channel (accelerator).
protected int[]	pixel Support pixel array (RGBA format).
static java.lang.String	PRECINCT_SIZE
protected int	precinctSize Precinct size (whatever it means - not used yet).
protected ImagePredictor.PredictorType	predictor Actual filter precinct.
static java.lang.String	PREDICTOR_TYPE
static RegPiece	reg Static registration instance for this class.
protected static java.lang.String	TEMPLATE_NAME Object template identifier.
protected int	width Image width (accelerator).

Fields inherited from class cz.cuni.jagrlib.Piece

channels, info, pl, plugs, TEMPLATE_TYPE, userBreak

Fields inherited from interface cz.cuni.jagrlib.iface.Property

LOGGING, STATISTICS, TEXT_DESCRIPTION

Fields inherited from interface cz.cuni.jagrlib.Template

ALL_PLUGS, C_1D, C_2D, C_3D, C_ALPHA, C_BINARY, C_BREP, C_CAMERA, C_CIRCLE, C_CLIP, C_COMPRESSION, C_CURVE, C_DATA, C_DRAW, C_EDITOR, C_ELLIPSE, C_FILL, C_FILTER, C_FLOAT, C_FUNCTION, C_IMAGE, C_INTEGER, C_IO, C_LIGHT, C_LINE, C_METRIC, C_POLYGON, C_PROJECTION, C_RADIOSITY, C_RASTER, C_RENDER, C_SAMPLE, C_SCENE, C_SET, C_SOLID, C_TEXT, C_TRANSFORM, C_VECTOR, C_VIEWER, C_WORKER, CAT_EMPTY, EMPTY, IFACE, JAGRLIB, JAGRLIB2, MANIPULATOR_COMBO, MANIPULATOR_CUSTOM, MANIPULATOR_DEFAULT, MANIPULATOR_MULTILINE, PL_ALPHAMASK, PL_BITMASK, PL_CAUSTIC, PL_CODEC, PL_COLORMAP, PL_COMPARE, PL_DATA, PL_DIRECT, PL_EDITOR, PL_FILTER, PL_FUNCTION, PL_IMAGE, PL_IMPORT, PL_INPUT, PL_INTERSECTION, PL_LIGHTSOURCE, PL_ORDER, PL_OUTPUT, PL_PALETTE, PL_PHOTON, PL_PROPERTY, PL_QUANTIZER, PL_RASTER, PL_RENDER, PL_SHADOW, PL_STREAM, PL_TRANSFORM, PL_TRIGGER, PL_VOLUME, PL_WINDOW, TYPE_BOOLEAN, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INTEGER, TYPE_LONG, TYPE_OBJECT, TYPE_STRING

Constructor Summary

ImagePredictor()

Method Summary

protected boolean	assertImage() Prepares all accelerators, returns true if failed.
protected int	clamp(int value) Clamps the given value to range 0 - maxValue.
int	g(int x, int y, int channel) Compute prediction for (yet not transferred) pixel [ x, y ].
java.lang.Object	get(java.lang.String key) Gets the given property.
protected void	readPixel(int x, int y) Takes image borders into account, fills pixel array.
void	set(java.lang.String key, java.lang.Object value) Sets the given property.
static int	setTemplate(Template t, int ord) General-purpose registration routine.

Methods inherited from class cz.cuni.jagrlib.DefaultIntFunction

g, g, g, g, g, g, g, getDomain, getDomain

Methods inherited from class cz.cuni.jagrlib.Piece

className, connect, findPlug, findPlug, getInfo, getInterface, getInterface, getPlug, getReg, init, isCompatible, isCompatible, isConnected, logError, logWarning, myInterface, newInputPlug, newOptOutputPlug, newOutputPlug, newPlug, noTemplates, propBegin, propBounds, propDefault, propEnd, propEnum, propManipulator, propManipulator, setProgressListener, setRegStrings, setTemplateDynamic, stop

Methods inherited from class cz.cuni.jagrlib.DefaultProperty

booleanProperty, booleanProperty, colorDoubleProperty, colorProperty, commit, doubleProperty, doubleProperty, doubleProperty, enumProperty, floatProperty, floatProperty, floatProperty, intProperty, intProperty, intProperty, longProperty, longProperty, longProperty, set, stringProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cuni.jagrlib.iface.Property

commit

Field Detail

predictor

protected ImagePredictor.PredictorType predictor

Actual filter precinct.

precinctSize

protected int precinctSize

Precinct size (whatever it means - not used yet).

MAX_PRECINCT

public static final int MAX_PRECINCT

Maximal value of precinctSize.

See Also:

Constant Field Values

pixel

protected int[] pixel

Support pixel array (RGBA format).

image

protected RasterGraphics image

Reference to the raster image (accelerator).

width

protected int width

Image width (accelerator).

height

protected int height

Image height (accelerator).

maxValue

protected int maxValue

Maximum value of one channel (accelerator).

PREDICTOR_TYPE

public static final java.lang.String PREDICTOR_TYPE

See Also:

Constant Field Values

PRECINCT_SIZE

public static final java.lang.String PRECINCT_SIZE

See Also:

Constant Field Values

TEMPLATE_NAME

protected static final java.lang.String TEMPLATE_NAME

Object template identifier.

See Also:

Constant Field Values

CATEGORY

protected static final java.lang.String CATEGORY

Object category.

See Also:

Constant Field Values

reg

public static final RegPiece reg

Static registration instance for this class. Automatically initialized in class-loading time.

Constructor Detail

ImagePredictor

public ImagePredictor()

Method Detail

assertImage

protected final boolean assertImage()

Prepares all accelerators, returns true if failed.

readPixel

protected final void readPixel(int x,
                               int y)

Takes image borders into account, fills pixel array.

clamp

protected final int clamp(int value)

Clamps the given value to range 0 - maxValue.

g

public int g(int x,
             int y,
             int channel)

Compute prediction for (yet not transferred) pixel [ x, y ].

Specified by:

g in interface IntFunction

Overrides:

g in class DefaultIntFunction

Parameters:

x - Horizontal coordinate (from 0 to RasterGraphics.getWidth() - 1).

y - Vertical coordinate (from 0 to RasterGraphics.getHeight() - 1).

channel - Color-channel number: 0 .. Red, 1 .. Green, 2 .. Blue, 3 .. Alpha.

Returns:

Predicted channel value.

set

public void set(java.lang.String key,
                java.lang.Object value)

Sets the given property.

Specified by:

set in interface Property

Overrides:

set in class DefaultProperty

Parameters:

key - Key string.

value - The new value.

See Also:

Property.commit()

get

public java.lang.Object get(java.lang.String key)

Gets the given property.

Specified by:

get in interface Property

Overrides:

get in class DefaultProperty

Parameters:

key - Key string.

Returns:

The actual value or null.

setTemplate

public static int setTemplate(Template t,
                              int ord)

General-purpose registration routine. Sets all plugs, strings, etc. to the given Template.