Class SGIImageReader
- java.lang.Object
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- javax.imageio.ImageReader
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- com.twelvemonkeys.imageio.ImageReaderBase
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- com.twelvemonkeys.imageio.plugins.sgi.SGIImageReader
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public final class SGIImageReader extends ImageReaderBase
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Field Summary
Fields Modifier and Type Field Description private SGIHeader
header
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Fields inherited from class com.twelvemonkeys.imageio.ImageReaderBase
imageInput
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Constructor Summary
Constructors Constructor Description SGIImageReader(javax.imageio.spi.ImageReaderSpi provider)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private java.awt.image.Raster
clipRowToRect(java.awt.image.Raster raster, java.awt.Rectangle rect, int[] bands, int xSub)
private java.awt.image.WritableRaster
clipToRect(java.awt.image.WritableRaster raster, java.awt.Rectangle rect, int[] bands)
private int[]
createIndices(int bands, int increment)
int
getHeight(int imageIndex)
javax.imageio.metadata.IIOMetadata
getImageMetadata(int imageIndex)
Default implementation that always returnsnull
.java.util.Iterator<javax.imageio.ImageTypeSpecifier>
getImageTypes(int imageIndex)
javax.imageio.ImageTypeSpecifier
getRawImageType(int imageIndex)
int
getWidth(int imageIndex)
static void
main(java.lang.String[] args)
private void
normalize(byte[] rowData, int start, int length)
private void
normalize(short[] rowData, int start, int length)
java.awt.image.BufferedImage
read(int imageIndex, javax.imageio.ImageReadParam param)
private static void
readFully(java.io.DataInput input, short[] shorts)
private void
readHeader()
private void
readRowByte(int height, java.awt.Rectangle srcRegion, int[] scanlineOffsets, int[] scanlineLengths, int compression, int xSub, int ySub, int c, byte[] rowDataByte, java.awt.image.WritableRaster destChannel, java.awt.image.Raster srcChannel, int y)
private void
readRowUShort(int height, java.awt.Rectangle srcRegion, int[] scanlineOffsets, int[] scanlineLengths, int compression, int xSub, int ySub, int c, short[] rowDataUShort, java.awt.image.WritableRaster destChannel, java.awt.image.Raster srcChannel, int y)
protected void
resetMembers()
Resets all member variables.-
Methods inherited from class com.twelvemonkeys.imageio.ImageReaderBase
assertInput, checkBounds, dispose, fakeAOI, fakeSubsampling, getDestination, getNumImages, getStreamMetadata, hasExplicitDestination, reset, setInput, showIt
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Methods inherited from class javax.imageio.ImageReader
abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, canReadRaster, checkReadParamBandSettings, clearAbortRequest, computeRegions, getAspectRatio, getAvailableLocales, getDefaultReadParam, getFormatName, getImageMetadata, getInput, getLocale, getMinIndex, getNumThumbnails, getOriginatingProvider, getSourceRegion, getStreamMetadata, getThumbnailHeight, getThumbnailWidth, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, hasThumbnails, isIgnoringMetadata, isImageTiled, isRandomAccessEasy, isSeekForwardOnly, processImageComplete, processImageProgress, processImageStarted, processImageUpdate, processPassComplete, processPassStarted, processReadAborted, processSequenceComplete, processSequenceStarted, processThumbnailComplete, processThumbnailPassComplete, processThumbnailPassStarted, processThumbnailProgress, processThumbnailStarted, processThumbnailUpdate, processWarningOccurred, processWarningOccurred, read, readAll, readAll, readAsRenderedImage, readerSupportsThumbnails, readRaster, readThumbnail, readTile, readTileRaster, removeAllIIOReadProgressListeners, removeAllIIOReadUpdateListeners, removeAllIIOReadWarningListeners, removeIIOReadProgressListener, removeIIOReadUpdateListener, removeIIOReadWarningListener, setInput, setInput, setLocale
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Field Detail
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header
private SGIHeader header
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Method Detail
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resetMembers
protected void resetMembers()
Description copied from class:ImageReaderBase
Resets all member variables. This method is by default invoked from:- Specified by:
resetMembers
in classImageReaderBase
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getWidth
public int getWidth(int imageIndex) throws java.io.IOException
- Specified by:
getWidth
in classjavax.imageio.ImageReader
- Throws:
java.io.IOException
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getHeight
public int getHeight(int imageIndex) throws java.io.IOException
- Specified by:
getHeight
in classjavax.imageio.ImageReader
- Throws:
java.io.IOException
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getImageTypes
public java.util.Iterator<javax.imageio.ImageTypeSpecifier> getImageTypes(int imageIndex) throws java.io.IOException
- Specified by:
getImageTypes
in classjavax.imageio.ImageReader
- Throws:
java.io.IOException
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getRawImageType
public javax.imageio.ImageTypeSpecifier getRawImageType(int imageIndex) throws java.io.IOException
- Overrides:
getRawImageType
in classjavax.imageio.ImageReader
- Throws:
java.io.IOException
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createIndices
private int[] createIndices(int bands, int increment)
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read
public java.awt.image.BufferedImage read(int imageIndex, javax.imageio.ImageReadParam param) throws java.io.IOException
- Specified by:
read
in classjavax.imageio.ImageReader
- Throws:
java.io.IOException
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readRowByte
private void readRowByte(int height, java.awt.Rectangle srcRegion, int[] scanlineOffsets, int[] scanlineLengths, int compression, int xSub, int ySub, int c, byte[] rowDataByte, java.awt.image.WritableRaster destChannel, java.awt.image.Raster srcChannel, int y) throws java.io.IOException
- Throws:
java.io.IOException
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readRowUShort
private void readRowUShort(int height, java.awt.Rectangle srcRegion, int[] scanlineOffsets, int[] scanlineLengths, int compression, int xSub, int ySub, int c, short[] rowDataUShort, java.awt.image.WritableRaster destChannel, java.awt.image.Raster srcChannel, int y) throws java.io.IOException
- Throws:
java.io.IOException
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readFully
private static void readFully(java.io.DataInput input, short[] shorts) throws java.io.IOException
- Throws:
java.io.IOException
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normalize
private void normalize(byte[] rowData, int start, int length)
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normalize
private void normalize(short[] rowData, int start, int length)
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clipRowToRect
private java.awt.image.Raster clipRowToRect(java.awt.image.Raster raster, java.awt.Rectangle rect, int[] bands, int xSub)
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clipToRect
private java.awt.image.WritableRaster clipToRect(java.awt.image.WritableRaster raster, java.awt.Rectangle rect, int[] bands)
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readHeader
private void readHeader() throws java.io.IOException
- Throws:
java.io.IOException
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getImageMetadata
public javax.imageio.metadata.IIOMetadata getImageMetadata(int imageIndex) throws java.io.IOException
Description copied from class:ImageReaderBase
Default implementation that always returnsnull
.- Overrides:
getImageMetadata
in classImageReaderBase
- Parameters:
imageIndex
- ignored, unless overridden- Returns:
null
, unless overridden- Throws:
java.io.IOException
- never, unless overridden.
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main
public static void main(java.lang.String[] args) throws java.io.IOException
- Throws:
java.io.IOException
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