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% GLE - Graphics Layout Engine <http://glx.sourceforge.io/>            %
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%%\psgraphin{stack1}{15.0}{23.0}{Shadow Graph}
\graphin{appendix/fig/clip}{14.0cm}{19.0cm}{1}
\addcontentsline{toc}{section}{Clipping}
\clearpage
\begin{center}
\begin{minipage}[t]{12.0cm}
%%\input{clip.gle}
{\scriptsize %\footnotesize
\begin{verbatim}
size 18 24	! This is CLIP.GLE, sets up an arbitrary clipping region.
set hei .3	! NOTE: CLIPPING ONLY WORKS ON POSTSCRIPT DEVICES.
amove 2.3 .3	! So this won't work on the pc-screen.
text clip.gle	

set hei 10
amove 2 2 
begin clip	! Save default clipping region
   begin path clip	! Set up the clipping region
      text GLE
   end path
   gsave
      amove 2 2 	
      text www	! Draw some text which will be clipped
      for i =	1 to 90	! Draw some lines which will be clipped
         amove 2	2 
         rotate -1
         rline 0 30
      next i
   grestore
end clip ! restore default clipping region
amove 0 0 
rline 10 10 	! draw a line which won't be clipped.
!-----------------------------------------------------------------------------
!Here's a simple example of how to set up a clipping region which consists
!of two squares. Try this out
amove 1 11
begin origin
   begin path clip stroke
      amove 2 2 
      box 4 4 
      amove 7 2 
      box 4 4 
   end path
   amove 2 2 
   set hei 4
   text Here is clipped text
end origin
\end{verbatim}
}
\hfill {\small clip.gle}\\
\end{minipage}

\end{center}
\vfill
