org.geotools.image.palette
Class ColorReduction

java.lang.Object
  extended by javax.media.jai.PlanarImage
      extended by javax.media.jai.OpImage
          extended by javax.media.jai.PointOpImage
              extended by org.geotools.image.palette.ColorReduction
All Implemented Interfaces:
java.awt.image.RenderedImage, javax.media.jai.ImageJAI, javax.media.jai.PropertyChangeEmitter, javax.media.jai.PropertySource, javax.media.jai.WritablePropertySource

public class ColorReduction
extends javax.media.jai.PointOpImage

PointOpImage to perform color reduction on an image using the palette builder.

Author:
Simone Giannecchini, GeoSolutions

Field Summary
 
Fields inherited from class javax.media.jai.OpImage
cache, cobbleSources, OP_COMPUTE_BOUND, OP_IO_BOUND, OP_NETWORK_BOUND, tileCacheMetric, tileRecycler
 
Fields inherited from class javax.media.jai.PlanarImage
colorModel, eventManager, height, minX, minY, properties, sampleModel, tileFactory, tileGridXOffset, tileGridYOffset, tileHeight, tileWidth, width
 
Constructor Summary
ColorReduction(java.awt.image.RenderedImage image, java.awt.RenderingHints hints, int numColors, int alpaThreshold, int subsx, int subsy)
           
 
Method Summary
 java.awt.image.Raster computeTile(int tx, int ty)
           
 
Methods inherited from class javax.media.jai.PointOpImage
dispose, isColormapOperation, mapDestRect, mapSourceRect, permitInPlaceOperation
 
Methods inherited from class javax.media.jai.OpImage
addTileToCache, cancelTiles, computeRect, computeRect, computesUniqueTiles, createTile, getExpandedNumBands, getFormatTags, getOperationComputeType, getTile, getTileCache, getTileCacheMetric, getTileDependencies, getTileFromCache, getTileRecycler, getTiles, hasExtender, mapDestPoint, mapSourcePoint, prefetchTiles, queueTiles, recycleTile, setTileCache, vectorize, vectorize, vectorize
 
Methods inherited from class javax.media.jai.PlanarImage
addPropertyChangeListener, addPropertyChangeListener, addSink, addSink, addSource, addTileComputationListener, copyData, copyData, copyExtendedData, createColorModel, createSnapshot, createWritableRaster, finalize, getAsBufferedImage, getAsBufferedImage, getBounds, getColorModel, getData, getData, getDefaultColorModel, getExtendedData, getGraphics, getHeight, getImageID, getMaxTileX, getMaxTileY, getMaxX, getMaxY, getMinTileX, getMinTileY, getMinX, getMinY, getNumBands, getNumSources, getNumXTiles, getNumYTiles, getProperties, getProperty, getPropertyClass, getPropertyNames, getPropertyNames, getSampleModel, getSinks, getSource, getSourceImage, getSourceObject, getSources, getSplits, getTileComputationListeners, getTileFactory, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileIndices, getTileRect, getTiles, getTileWidth, getWidth, overlapsMultipleTiles, removeProperty, removePropertyChangeListener, removePropertyChangeListener, removeSink, removeSink, removeSinks, removeSource, removeSources, removeTileComputationListener, setImageLayout, setProperties, setProperty, setSource, setSources, tileXToX, tileXToX, tileYToY, tileYToY, toString, wrapRenderedImage, XToTileX, XToTileX, YToTileY, YToTileY
 
Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ColorReduction

public ColorReduction(java.awt.image.RenderedImage image,
                      java.awt.RenderingHints hints,
                      int numColors,
                      int alpaThreshold,
                      int subsx,
                      int subsy)
Method Detail

computeTile

public java.awt.image.Raster computeTile(int tx,
                                         int ty)
Overrides:
computeTile in class javax.media.jai.PointOpImage


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