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Quick Lists
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Bug ID:
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6175955
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Votes
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0
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Synopsis
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Horizontal Differencing Predictor should be supported for LZW compression by TIFF writer
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Category
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jai:codec_imageio
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Reported Against
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1.0_01
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Release Fixed
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1.0_01
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State
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10-Fix Delivered,
request for enhancement
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Priority:
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4-Low
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Related Bugs
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6184285
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Submit Date
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08-OCT-2004
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Description
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The TIFF specification allows for a Horizontal Differencing Predictor (Tag 317 = 2) to be applied when LZW compression is used for compressing a TIFF image. The TIFF writer currently does not support Horizontal Differencing Predictor to be applied with LZW compression and should be updated to do so, since this can provide additional compression benefits.
xxxxx@xxxxx 10/8/04 00:45 GMT
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Work Around
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N/A
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Evaluation
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Added functionality to the TIFF writer, so that horizontal prediction can now be used with LZW compression. This is currently implemented for 8 bit samples only. An RFE 6184285 requesting support for other bit depths has been filed. This bug is therefore being marked fixed.
xxxxx@xxxxx 10/26/04 00:34 GMT
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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