stretchy bitmaps

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2 total messages Started by Rene Magritte Fri, 02 Oct 1992 22:52

#3934

Author: Rene Magritte
Date: Fri, 02 Oct 1992 22:52

5 lines
779 bytes

 
    I have a normal bitmap in postscript which prints just fine.  I
want to be able to irregularly scale it and print the results, so that
the resultant image will be "squashed" or "thin."  How do I manage
this -- is it easily possible?

Re: stretchy bitmaps

#4117

Author: Paul Gilmartin
Date: Fri, 09 Oct 1992 20:16

27 lines
1397 bytes

Rene Magritte (rene@hardy.u.washington.edu) wrote:

:     I have a normal bitmap in postscript which prints just fine.  I
: want to be able to irregularly scale it and print the results, so that
: the resultant image will be "squashed" or "thin."  How do I manage
: this -- is it easily possible?

Quite easy;  this is one of the things PostScript does best.
It will look something like this:

	[ ... ]   % PostScript header, presumably
	gsave     % save the graphic state
	    0.5 1.0 scale    % set up to "squash" the bitmap

%%BeginDocument
	    [ ... ]          % your bitmap goes here
%%EndDocument

	grestore  % put things back as we found them
	[ ... ]   % PostScript trailer, presumably

But you need to read the Adobe PostScript Language Reference
to become proficient at this; I probably forgot some details.

I hope this encourages you.

gil

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