org.geotools.image.palette

Class InverseColorMapRasterOp

Object

InverseColorMapRasterOp

All Implemented Interfaces:

RasterOp

public final class InverseColorMapRasterOp
extends Object
implements RasterOp

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_ALPHA_TH Default value for the threshold to decide whether a pixel is opaque (>=) or transparent (<).
static int	DEFAULT_QUANTIZATION_COLORS Default number of quantization colors used to build the index for the inverse color map.

Constructor Summary

Constructors

Constructor and Description
InverseColorMapRasterOp(IndexColorModel destCM)
InverseColorMapRasterOp(IndexColorModel destCM, int quantizationColors, int alphaThreshold)

Method Summary

Modifier and Type	Method and Description
WritableRaster	createCompatibleDestRaster(Raster src)
WritableRaster	filter(Raster src, WritableRaster dest)
Rectangle2D	getBounds2D(Raster src)
Point2D	getPoint2D(Point2D srcPt, Point2D dstPt)
RenderingHints	getRenderingHints()

Methods inherited from class Object

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

Field Detail

DEFAULT_QUANTIZATION_COLORS

public static final int DEFAULT_QUANTIZATION_COLORS

Default number of quantization colors used to build the index for the inverse color map.

See Also:

Constant Field Values

DEFAULT_ALPHA_TH

public static final int DEFAULT_ALPHA_TH

Default value for the threshold to decide whether a pixel is opaque (>=) or transparent (<).

See Also:

Constant Field Values

Constructor Detail

InverseColorMapRasterOp

public InverseColorMapRasterOp(IndexColorModel destCM,
                               int quantizationColors,
                               int alphaThreshold)

InverseColorMapRasterOp

public InverseColorMapRasterOp(IndexColorModel destCM)

Method Detail

createCompatibleDestRaster

public WritableRaster createCompatibleDestRaster(Raster src)

Specified by:

createCompatibleDestRaster in interface RasterOp

filter

public WritableRaster filter(Raster src,
                             WritableRaster dest)

Specified by:

filter in interface RasterOp

getBounds2D

public Rectangle2D getBounds2D(Raster src)

Specified by:

getBounds2D in interface RasterOp

getPoint2D

public Point2D getPoint2D(Point2D srcPt,
                          Point2D dstPt)

Specified by:

getPoint2D in interface RasterOp

getRenderingHints

public RenderingHints getRenderingHints()

Specified by:

getRenderingHints in interface RasterOp