TileRable8Bit (Apache Batik Javadoc)

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org.apache.batik.ext.awt.image.renderable
Class TileRable8Bit

java.lang.Object
  org.apache.batik.ext.awt.image.renderable.AbstractRable
      org.apache.batik.ext.awt.image.renderable.AbstractColorInterpolationRable
          org.apache.batik.ext.awt.image.renderable.TileRable8Bit

All Implemented Interfaces:: Filter, FilterColorInterpolation, RenderableImage, TileRable

public class TileRable8Bit
extends AbstractColorInterpolationRable
implements TileRable

8 bit TileRable implementation

Field Summary

Fields inherited from class org.apache.batik.ext.awt.image.renderable.AbstractColorInterpolationRable

csLinear

Fields inherited from class org.apache.batik.ext.awt.image.renderable.AbstractRable

props, srcs, stamp

Fields inherited from interface java.awt.image.renderable.RenderableImage

HINTS_OBSERVED

Constructor Summary
`TileRable8Bit(Filter source, Rectangle2D tiledRegion, Rectangle2D tileRegion, boolean overflow)` Default constructor

Method Summary
`RenderedImage`	`createRendering(RenderContext rc)`
`RenderedImage`	`createTile(RenderContext rc)` Computes the tile to use for the tiling operation.
`Rectangle2D`	`getActualTileBounds(Rectangle2D tiledRect)`
`Rectangle2D`	`getBounds2D()` Returns this filter's bounds
`Filter`	`getSource()` Return's the tile source
`Rectangle2D`	`getTiledRegion()` Returns the tiled region
`Rectangle2D`	`getTileRegion()` Returns the tile region
`boolean`	`isOverflow()` Returns the overflow strategy
`void`	`setOverflow(boolean overflow)` Sets the overflow strategy
`void`	`setSource(Filter src)` Sets the filter source
`void`	`setTiledRegion(Rectangle2D tiledRegion)` Sets the tiled region
`void`	`setTileRegion(Rectangle2D tileRegion)` Sets the tile region

Methods inherited from class org.apache.batik.ext.awt.image.renderable.AbstractColorInterpolationRable

convertSourceCS, convertSourceCS, getOperationColorSpace, isColorSpaceLinear, setColorSpaceLinear

Methods inherited from class org.apache.batik.ext.awt.image.renderable.AbstractRable

createDefaultRendering, createScaledRendering, getDependencyRegion, getDirtyRegion, getHeight, getMinX, getMinY, getProperty, getPropertyNames, getSources, getTimeStamp, getWidth, init, init, init, init, isDynamic, touch

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.batik.ext.awt.image.renderable.FilterColorInterpolation

getOperationColorSpace, isColorSpaceLinear, setColorSpaceLinear

Methods inherited from interface org.apache.batik.ext.awt.image.renderable.Filter

getDependencyRegion, getDirtyRegion, getTimeStamp

Methods inherited from interface java.awt.image.renderable.RenderableImage

createDefaultRendering, createScaledRendering, getHeight, getMinX, getMinY, getProperty, getPropertyNames, getSources, getWidth, isDynamic

Constructor Detail

TileRable8Bit

public TileRable8Bit(Filter source,
                     Rectangle2D tiledRegion,
                     Rectangle2D tileRegion,
                     boolean overflow)

Default constructor

Method Detail

getTileRegion

public Rectangle2D getTileRegion()

Returns the tile region

Specified by:: getTileRegion in interface TileRable

setTileRegion

public void setTileRegion(Rectangle2D tileRegion)

Sets the tile region

Specified by:: setTileRegion in interface TileRable

getTiledRegion

public Rectangle2D getTiledRegion()

Returns the tiled region

Specified by:: getTiledRegion in interface TileRable

setTiledRegion

public void setTiledRegion(Rectangle2D tiledRegion)

Sets the tiled region

Specified by:: setTiledRegion in interface TileRable

isOverflow

public boolean isOverflow()

Returns the overflow strategy

Specified by:: isOverflow in interface TileRable

setOverflow

public void setOverflow(boolean overflow)

Sets the overflow strategy

Specified by:: setOverflow in interface TileRable

setSource

public void setSource(Filter src)

Sets the filter source

Specified by:: setSource in interface TileRable

getSource

public Filter getSource()

Return's the tile source

Specified by:: getSource in interface TileRable

getBounds2D

public Rectangle2D getBounds2D()

Returns this filter's bounds

Specified by:: getBounds2D in interface Filter
Overrides:: getBounds2D in class AbstractRable

createRendering

public RenderedImage createRendering(RenderContext rc)

Specified by:: createRendering in interface RenderableImage

getActualTileBounds

public Rectangle2D getActualTileBounds(Rectangle2D tiledRect)

createTile

public RenderedImage createTile(RenderContext rc)

Computes the tile to use for the tiling operation. The tile has its origin in the upper left corner of the tiled region. That tile is separated into 4 areas: top-left, top-right, bottom-left and bottom-right. Each of these areas is mapped to some input area from the source. If the source is smaller than the tiled area, then a single rendering is requested from the source. If the source's width or height is bigger than that of the tiled area, then separate renderings are requested from the source.