Package org.geotools.image.palette

Class 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

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      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

    • Constructor Detail

      • ColorReduction

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

    • Method Detail

      • computeTile

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