Package org.geotools.image.palette

Class ColorReduction

Object
PlanarImage
OpImage
PointOpImage
ColorReduction
All Implemented Interfaces:
RenderedImage, ImageJAI, PropertyChangeEmitter, PropertySource, WritablePropertySource
public class ColorReduction extends PointOpImage
PointOpImage to perform color reduction on an image using the palette builder.
Author:
Simone Giannecchini, GeoSolutions, Nicola Lagomarsini, GeoSolutions SAS

  • Field Summary

    Fields inherited from class OpImage

    cache, cobbleSources, OP_COMPUTE_BOUND, OP_IO_BOUND, OP_NETWORK_BOUND, tileCacheMetric, tileRecycler

    Fields inherited from class PlanarImage

    colorModel, eventManager, height, minX, minY, properties, sampleModel, tileFactory, tileGridXOffset, tileGridYOffset, tileHeight, tileWidth, width

  • Constructor Summary

    Constructors
    Constructor
    Description
    ColorReduction(RenderedImage image, RenderingHints hints, int numColors, int alpaThreshold, int subsx, int subsy)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Raster
    computeTile(int tx, int ty)
     

    Methods inherited from class PointOpImage

    dispose, isColormapOperation, mapDestRect, mapSourceRect, permitInPlaceOperation

    Methods inherited from class 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 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 Object

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

  • Constructor Details

    • ColorReduction

      public ColorReduction(RenderedImage image, RenderingHints hints, int numColors, int alpaThreshold, int subsx, int subsy)

  • Method Details

    • computeTile

      public Raster computeTile(int tx, int ty)
      Overrides:
      computeTile in class PointOpImage