Class TIFFJPEGDecompressor
java.lang.Object
com.sun.media.imageio.plugins.tiff.TIFFDecompressor
com.sun.media.imageioimpl.plugins.tiff.TIFFJPEGDecompressor
- Direct Known Subclasses:
TIFFOldJPEGDecompressor
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected static final intprotected booleanprotected ImageReadParamprotected ImageReaderprotected static final intprotected byte[]Fields inherited from class com.sun.media.imageio.plugins.tiff.TIFFDecompressor
activeSrcHeight, activeSrcMinX, activeSrcMinY, activeSrcWidth, bitsPerSample, byteCount, colorConverter, colorMap, compression, destinationBands, dstHeight, dstMinX, dstMinY, dstWidth, dstXOffset, dstYOffset, extraSamples, image, metadata, offset, photometricInterpretation, planar, rawImage, reader, sampleFormat, samplesPerPixel, sourceBands, sourceXOffset, sourceYOffset, srcHeight, srcMinX, srcMinY, srcWidth, stream, subsampleX, subsampleY -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidThis routine is called prior to a sequence of calls to thedecodemethod, in order to allow any necessary tables or other structures to be initialized based on metadata values.voiddecodeRaw(byte[] b, int dstOffset, int bitsPerPixel, int scanlineStride) Decodes the source data into the providedbytearrayb, starting at the offset given bydstOffset.protected voidfinalize()Methods inherited from class com.sun.media.imageio.plugins.tiff.TIFFDecompressor
createRawImage, decode, decodeRaw, decodeRaw, decodeRaw, getRawImageType, getRawImageTypeSpecifier, setActiveSrcHeight, setActiveSrcMinX, setActiveSrcMinY, setActiveSrcWidth, setBitsPerSample, setByteCount, setColorConverter, setColorMap, setCompression, setDestinationBands, setDstHeight, setDstMinX, setDstMinY, setDstWidth, setDstXOffset, setDstYOffset, setExtraSamples, setImage, setMetadata, setOffset, setPhotometricInterpretation, setPlanar, setReader, setSampleFormat, setSamplesPerPixel, setSourceBands, setSourceXOffset, setSourceYOffset, setSrcHeight, setSrcMinX, setSrcMinY, setSrcWidth, setStream, setSubsampleX, setSubsampleY
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Field Details
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SOI
protected static final int SOI- See Also:
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EOI
protected static final int EOI- See Also:
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JPEGReader
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JPEGParam
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hasJPEGTables
protected boolean hasJPEGTables -
tables
protected byte[] tables
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Constructor Details
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TIFFJPEGDecompressor
public TIFFJPEGDecompressor()
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Method Details
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beginDecoding
public void beginDecoding()Description copied from class:TIFFDecompressorThis routine is called prior to a sequence of calls to thedecodemethod, in order to allow any necessary tables or other structures to be initialized based on metadata values. This routine is guaranteed to be called any time the metadata values have changed.The default implementation computes tables used by the
decodemethod to rescale components to different bit depths. Thus, if this method is overridden, it is important for the subclass method to callsuper(), unless it overridesdecodeas well.- Overrides:
beginDecodingin classTIFFDecompressor
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decodeRaw
public void decodeRaw(byte[] b, int dstOffset, int bitsPerPixel, int scanlineStride) throws IOException Description copied from class:TIFFDecompressorDecodes the source data into the providedbytearrayb, starting at the offset given bydstOffset. Each pixel occupiesbitsPerPixelbits, with no padding between pixels. Scanlines are separated byscanlineStridebytes.- Specified by:
decodeRawin classTIFFDecompressor- Parameters:
b- abytearray to be written.dstOffset- the starting offset inbto be written.bitsPerPixel- the number of bits for each pixel.scanlineStride- the number ofbytes to advance between that starting pixels of each scanline.- Throws:
IOException- if an error occurs reading from the sourceImageInputStream.
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finalize
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