XForms: Pixmaps, Bitmaps and Canvases (continued...)

Joao Filipe Ferreira (jfilipe@alumni.dee.uc.pt)
Thu, 12 Nov 1998 20:29:11 +0000 (WET)

# To subscribers of the xforms list from Joao Filipe Ferreira <jfilipe@alumni.dee.uc.pt> :

Next in order:

I am now trying to "change" the canvases I used to put the magnified
images into normal XForm-type pixmap objects, in order to
use the XOR Positioner - the images I intend to use on the object are
pretty much static, since they are only changed when the user wants to
zoom in on a certain region of the original images.

The problem is I am trying to use XPutImage to transfer the data from a
XImage-type variable, where the application had the portion of the
original image stored earlier on, to the Pixmap variable and I can't seem
to get it right - I fail to suply XPutImage with the right drawable ID.

What should I do? I really would like to stick to my XORPositioner plan,
since it is incredibly flexible and neat - just the thing I needed.

Please help,
JFC

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