Stefan Hegny created XGC-118:
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             Summary: Grayscale BMPs look brigther than non-grayscale
                 Key: XGC-118
                 URL: https://issues.apache.org/jira/browse/XGC-118
             Project: XMLGraphicsCommons
          Issue Type: Bug
          Components: image codecs
    Affects Versions: 2.3
            Reporter: Stefan Hegny
         Attachments: samp.fo, thisdoesnotwork.bmp, thisworks.bmp

Using FOP to embed BMP images into a PDF. The BMP Images have a strict linear 
grayscale palette and look "brigher" in the pdf than when viewed with any other 
viewer/browser. Changing just a few bits in the palette (not visibly, compare 
the two attached bmps) makes the image appear in the same (darker) way as 
displayed in all other programmes. Similar issue was reported on the Mailing 
list for PNGs 10 yrs ago 
(https://mail-archives.apache.org/mod_mbox/xmlgraphics-batik-users/200906.mbox/%[email protected]%3e)



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