[futurebasic] Re: Copying from one GWorld to another

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From: Stephen Botting <cauldron@...>
Date: Tue, 15 Jun 1999 22:36:20 +1200
>Hi, I need some help.  I'm trying to copy a picture from one Gworld to
>another but I have a problem.  The picture isn't a perfect rectangle...and
>when I try to copy the picture to the other GWorld, it pastes the whole
>rectangle that I copied.  Is there any way to copy just the picture?  Thanks.

You could try using COPYMASK, but then you have to have a mask, which is a
bitmap version of your graphic, black regions will copy and white regions
will not.  Just like an ICON.


Or you can look into changing the copy mode for COPYBITS, this is the last
parameter you set in CALL COPYBITS.

If you set that to 36 (transparent, I'm unsure of the constant name), all
regions that are the same as the background color will be trasparent.
For more info on the copymodes setting take a look at

Stephen Botting
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