Class RenderedImageCachableRed

java.lang.Object

org.apache.xmlgraphics.image.rendered.RenderedImageCachableRed

All Implemented Interfaces:

RenderedImage, CachableRed

public class RenderedImageCachableRed
extends Object
implements CachableRed

This implements CachableRed around a RenderedImage. You can use this to wrap a RenderedImage that you want to appear as a CachableRed. It essentially ignores the dependency and dirty region methods.

Version:

$Id$ Originally authored by Thomas DeWeese.

Constructor Summary

Constructors

Constructor	Description
RenderedImageCachableRed(RenderedImage src)

Method Summary

Modifier and Type	Method	Description
WritableRaster	copyData(WritableRaster raster)
Rectangle	getBounds()	Returns the bounds of the current image.
ColorModel	getColorModel()
Raster	getData()
Raster	getData(Rectangle rect)
Shape	getDependencyRegion(int srcIndex, Rectangle outputRgn)	Returns the region of input data is is required to generate outputRgn.
Shape	getDirtyRegion(int srcIndex, Rectangle inputRgn)	This calculates the region of output that is affected by a change in a region of input.
int	getHeight()
int	getMinTileX()
int	getMinTileY()
int	getMinX()
int	getMinY()
int	getNumXTiles()
int	getNumYTiles()
Object	getProperty(String name)
String[]	getPropertyNames()
SampleModel	getSampleModel()
Vector	getSources()
Raster	getTile(int tileX, int tileY)
int	getTileGridXOffset()
int	getTileGridYOffset()
int	getTileHeight()
int	getTileWidth()
int	getWidth()
static CachableRed	wrap(RenderedImage ri)

Methods inherited from class Object

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

Constructor Details

RenderedImageCachableRed

public RenderedImageCachableRed(RenderedImage src)

Method Details

wrap

public static CachableRed wrap(RenderedImage ri)

getSources

public Vector getSources()

Specified by:

getSources in interface RenderedImage

getBounds

public Rectangle getBounds()

Description copied from interface: CachableRed

Returns the bounds of the current image. This should be 'in sync' with getMinX, getMinY, getWidth, getHeight

Specified by:

getBounds in interface CachableRed

getMinX

public int getMinX()

Specified by:

getMinX in interface RenderedImage

getMinY

public int getMinY()

Specified by:

getMinY in interface RenderedImage

getWidth

public int getWidth()

Specified by:

getWidth in interface RenderedImage

getHeight

public int getHeight()

Specified by:

getHeight in interface RenderedImage

getColorModel

public ColorModel getColorModel()

Specified by:

getColorModel in interface RenderedImage

getSampleModel

public SampleModel getSampleModel()

Specified by:

getSampleModel in interface RenderedImage

getMinTileX

public int getMinTileX()

Specified by:

getMinTileX in interface RenderedImage

getMinTileY

public int getMinTileY()

Specified by:

getMinTileY in interface RenderedImage

getNumXTiles

public int getNumXTiles()

Specified by:

getNumXTiles in interface RenderedImage

getNumYTiles

public int getNumYTiles()

Specified by:

getNumYTiles in interface RenderedImage

getTileGridXOffset

public int getTileGridXOffset()

Specified by:

getTileGridXOffset in interface RenderedImage

getTileGridYOffset

public int getTileGridYOffset()

Specified by:

getTileGridYOffset in interface RenderedImage

getTileWidth

public int getTileWidth()

Specified by:

getTileWidth in interface RenderedImage

getTileHeight

public int getTileHeight()

Specified by:

getTileHeight in interface RenderedImage

getProperty

public Object getProperty(String name)

Specified by:

getProperty in interface RenderedImage

getPropertyNames

public String[] getPropertyNames()

Specified by:

getPropertyNames in interface RenderedImage

getTile

public Raster getTile(int tileX,
 int tileY)

Specified by:

getTile in interface RenderedImage

copyData

public WritableRaster copyData(WritableRaster raster)

Specified by:

copyData in interface RenderedImage

getData

public Raster getData()

Specified by:

getData in interface RenderedImage

getData

public Raster getData(Rectangle rect)

Specified by:

getData in interface RenderedImage

getDependencyRegion

public Shape getDependencyRegion(int srcIndex,
 Rectangle outputRgn)

Description copied from interface: CachableRed

Returns the region of input data is is required to generate outputRgn.

Specified by:

getDependencyRegion in interface CachableRed

Parameters:

srcIndex - The source to do the dependency calculation for.

outputRgn - The region of output you are interested in generating dependencies for. The is given in the output pixel coordiate system for this node.

Returns:

The region of input required. This is in the output pixel coordinate system for the source indicated by srcIndex.

getDirtyRegion

public Shape getDirtyRegion(int srcIndex,
 Rectangle inputRgn)

Description copied from interface: CachableRed

This calculates the region of output that is affected by a change in a region of input.

Specified by:

getDirtyRegion in interface CachableRed

Parameters:

srcIndex - The input that inputRgn reflects changes in.

inputRgn - the region of input that has changed, used to calculate the returned shape. This is given in the pixel coordinate system of the source indicated by srcIndex.

Returns:

The region of output that would be invalid given a change to inputRgn of the source selected by srcIndex. this is in the output pixel coordinate system of this node.