colour -> b/w bitmaps

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#1655

From: buxduac
Date: Fri, 16 Oct 1992 13:07

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If I have colour bitmap (not DIB) what would be the best method to turn 
into a black and white one.  I do not want to reorganise the
pallate but change any black part into 0 and any pixel with a 
colour into all 1's 

Andy C
acobley@uk.ac.dundee.mic

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Message-ID: <1992Oct16.140728.636@dct.ac.uk>

Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!warwick!str-ccsun!dct.ac.uk!buxduac

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!warwick!str-ccsun!dct.ac.uk!buxduac
From: buxduac@dct.ac.uk
Newsgroups: comp.os.ms-windows.programmer.misc
Subject: colour -> b/w bitmaps
Message-ID: <1992Oct16.140728.636@dct.ac.uk>
Date: 16 Oct 92 13:07:28 GMT
Organization: Dundee Institute of Technology
Lines: 7