uk.ac.essex.ia.media.jai
Class HoughLinesOpImage

java.lang.Object
  javax.media.jai.PlanarImage
      javax.media.jai.OpImage
          javax.media.jai.UntiledOpImage
              uk.ac.essex.ia.media.jai.HoughLinesOpImage

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 HoughLinesOpImage
extends javax.media.jai.UntiledOpImage

Find lines in an image with a Hough transform.

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

HoughLinesOpImage(java.awt.image.RenderedImage source, javax.media.jai.ImageLayout layout, java.lang.Integer edgeThreshold, java.lang.Integer maximaThreshold, java.lang.Integer outputIntensity)
Constructs HoughLinesOpImage.

Method Summary

protected void

computeImage(java.awt.image.Raster[] src, java.awt.image.WritableRaster dst, java.awt.Rectangle destRect) Computes the destination image.

Methods inherited from class javax.media.jai.UntiledOpImage

computeTile, getTileDependencies, mapDestRect, mapSourceRect

Methods inherited from class javax.media.jai.OpImage

addTileToCache, cancelTiles, computeRect, computeRect, computesUniqueTiles, createTile, dispose, getExpandedNumBands, getFormatTags, getOperationComputeType, getTile, getTileCache, getTileCacheMetric, 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

HoughLinesOpImage

public HoughLinesOpImage(java.awt.image.RenderedImage source,
                         javax.media.jai.ImageLayout layout,
                         java.lang.Integer edgeThreshold,
                         java.lang.Integer maximaThreshold,
                         java.lang.Integer outputIntensity)

Constructs HoughLinesOpImage. Image dimensions are copied from the source image. The tile grid layout, SampleModel, and ColorModel may optionally be specified by an ImageLayout object

Parameters:

source - a RenderedImage

layout - an ImageLayout optionally containing the tile grid layout, SampleModel, and ColorModel or null.

Method Detail

computeImage

protected void computeImage(java.awt.image.Raster[] src,
                            java.awt.image.WritableRaster dst,
                            java.awt.Rectangle destRect)

Computes the destination image.

Specified by:

computeImage in class javax.media.jai.UntiledOpImage

Parameters:

src - the source raster.

dst - the resultant image.

destRect - the rectangle within the OpImage to be computed