I have a simple derivative of streams that encrypts a stream by overriding the
read and write methods. Functions fine - except with the SaveToStream method
on bitmaps. The bitmap is at least partly read correctly because header and palette
info okay but the DIB is screwed up. Try as might looking through the read/writeDIB
code it all ultimately seems to call the read/write method. I dont suppose anyone
else has delved into how bitmaps and read/write in Delphi - it looks like a backdoor
to ancestor method being called somewhere.
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Phil Scadden, Institute of Geological and Nuclear Sciences
41 Bell Rd South, PO Box 30368, Lower Hutt, New Zealand
Ph +64 4 5704821, fax +64 4 5704603
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