Class MultiplyAlphaRed

java.lang.Object

org.apache.batik.ext.awt.image.rendered.AbstractRed

org.apache.batik.ext.awt.image.rendered.MultiplyAlphaRed

All Implemented Interfaces:

RenderedImage, CachableRed

public class MultiplyAlphaRed
extends AbstractRed

This implements a masking operation by multiply the alpha channel of one image by a luminance image (the mask).

Field Summary

Fields inherited from class AbstractRed

bounds, cm, minTileX, minTileY, numXTiles, numYTiles, props, sm, srcs, tileGridXOff, tileGridYOff, tileHeight, tileWidth

Constructor Summary

Constructors

Constructor	Description
MultiplyAlphaRed(CachableRed src, CachableRed alpha)	Multiply the alpha of one image with a mask image.

Method Summary

Modifier and Type	Method	Description
WritableRaster	copyData(WritableRaster wr)
static ColorModel	fixColorModel(CachableRed src)
static SampleModel	fixSampleModel(CachableRed src)
WritableRaster	INT_PACK_BYTE_COMP_Impl(WritableRaster wr)
boolean	is_INT_PACK_BYTE_COMP(SampleModel srcSM, SampleModel alpSM)
static Rectangle	makeBounds(CachableRed src1, CachableRed src2)
static List	makeList(CachableRed src1, CachableRed src2)

Methods inherited from class AbstractRed

copyBand, copyToRaster, getBounds, getColorModel, getData, getData, getDependencyRegion, getDirtyRegion, getHeight, getMinTileX, getMinTileY, getMinX, getMinY, getNumXTiles, getNumYTiles, getProperty, getPropertyNames, getSampleModel, getSources, getTile, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, getWidth, getXTile, getYTile, init, init, makeTile, updateTileGridInfo

Methods inherited from class Object

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

Constructor Details

MultiplyAlphaRed

public MultiplyAlphaRed(CachableRed src,
 CachableRed alpha)

Multiply the alpha of one image with a mask image. The size of the resultant image is the intersection of the two image bounds. If you want the end image to be the size of one or the other please use the PadRed operator.

Parameters:

src - The image to convert to multiply the alpha of

alpha - The mask image to multiply the alpha channel of src with.

Method Details

is_INT_PACK_BYTE_COMP

public boolean is_INT_PACK_BYTE_COMP(SampleModel srcSM,
 SampleModel alpSM)

INT_PACK_BYTE_COMP_Impl

public WritableRaster INT_PACK_BYTE_COMP_Impl(WritableRaster wr)

copyData

public WritableRaster copyData(WritableRaster wr)

makeList

public static List makeList(CachableRed src1,
 CachableRed src2)

makeBounds

public static Rectangle makeBounds(CachableRed src1,
 CachableRed src2)

fixSampleModel

public static SampleModel fixSampleModel(CachableRed src)

fixColorModel

public static ColorModel fixColorModel(CachableRed src)