How does MacDraw use the PICT resource, and selecting objects?

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1 total messages Started by Mark N. Hume Thu, 21 Feb 1985 19:03

#649

Author: Mark N. Hume
Date: Thu, 21 Feb 1985 19:03

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I am trying to determine the format of PICT resources and how MacDraw
in particular picks apart the commands therein.  I would like to take
a PICT resource from MacDraw and use it in a program I am writing
(mainly because for now, I don't want to have to write the drawing
code myself).  Does MacDraw use Picture comments to determine the
objects in a PICT?  

When MacDraw does find out the pict structure, what kind of data
structure does it store the objects in? Any ideas?

Another question I have is whether there is an easy way of telling
what objects a user has selected on the screen.  So far the only way
I have thought of is by comparing the point of selection (or rectangle
of selection) to every single object (actually, the rectangle enclosing
the object, since for now my objects cannot overlap).  Is there a more
intelligent (faster/easier) way.

	Thanks for any help,  Mark Hume

-- 
Mark N. Hume

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