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Thread: Transparent Blitting

  1. Jun 2nd, 2001, 07:29 AM #1
    git
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    Transparent Blitting

    Hiyas,

    I know the standard method of transparent blitting with BitBlt... However, in this case, I cannot have a 2nd black and white image mask.

    I have a BMP, and I'm using the colour purple for areas I want transparent...

    How can I blit with this image?

    Thanks,

    -Git
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  2. Jun 2nd, 2001, 11:08 AM #2
    Sastraxi
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    TransparentBlt - It's not supported by Msoft, memory leaks GALORE! Stuff like that, but if it's your only option... Well, I believe that somewhere there is code to let you blit tranparently (3 steps?) without a mask.
    All contents of the above post that aren't somebody elses are mine, not the property of some media corporation.
    (Just a heads-up)
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  3. Jun 2nd, 2001, 01:25 PM #3
    Stef
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    Or you could generate a mask at runtime
    Or use directdraw and a colorkey
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