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09/05/2005 at 06:29PM PDT, ID: 21551473
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8.6

How to save monochrome bitmap

Asked by riceman0 in Visual Basic Programming, Adobe Type Manager, Font Creator

Tags: monochrome, bitmap


Hey.  Assisted by another good answer from this forum, I have started saving a screen-scraped device context bitmap to a file using the following commands:

        Dim dsk As Long, rtn As Long
        dsk = GetDesktopWindow()
        OpenClipboard dsk
        EmptyClipboard
        rtn = SetClipboardData(CF_BITMAP, hbmpMyDeviceContext)
        CloseClipboard
        SavePicture Clipboard.GetData, sFile

This works great, except that it is soon going to use up all my disk space because each color picture takes ~1.2MB.  I can get all the info I need out of a monochrome bitmap, so I'd like an easy way to either load the DC data into the clipboard in monochrome, or save the clipboard data to the disk in monochrome.  (Or if there's another way skipping the clipboard that's fine too.)

Is there an easy way to convert my BMP data to monochrome?  I'm scoring this high because I want exact-fit code; i.e., I'm posting here to AVOID a research project.

Thanks in advance.
[+][-]09/05/05 06:43 PM, ID: 14826246

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[+][-]09/05/05 07:21 PM, ID: 14826348

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[+][-]09/05/05 07:36 PM, ID: 14826391

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[+][-]09/05/05 07:46 PM, ID: 14826417

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[+][-]09/05/05 09:20 PM, ID: 14826664

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About this solution

Zones: Visual Basic Programming, Adobe Type Manager, Font Creator
Tags: monochrome, bitmap
Sign Up Now!
Solution Provided By: Burbble
Participating Experts: 3
Solution Grade: A
 
 
[+][-]09/05/05 09:22 PM, ID: 14826672

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