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%!
/waterfalsave save def % prevent residual side effects
% Copyright (C) 1992, 1993, 1996-2023 Aladdin Enterprises.
% All rights reserved.
%
% This software is provided AS-IS with no warranty, either express or
% implied.
%
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
%
% For more information about licensing, please refer to
% http://www.ghostscript.com/licensing/. For information on
% commercial licensing, go to http://www.artifex.com/licensing/ or
% contact Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
% CA 94129, USA.
% waterfal.ps
% This file produces a 'waterfall' printout of fonts at various sizes.
% Specify any desired set of up to 3 fonts here.
/Fonts [/Courier /Helvetica] def
% Specify any desired set of point sizes here.
% The sum of the sizes should not exceed (roughly) 100.
% For sizes larger than about 16, some characters may fall off the page.
/Sizes [6 7 8 9 10 11 12 14 16] def
/eol
{ currentfont /FontBBox get aload pop
exch pop sub exch pop 0 exch
% Many Ghostscript fonts have incorrect FontBBoxes....
pop -1000
1.15 mul currentfont /FontMatrix get dtransform
translate
0 0 moveto
} def
% draw the page landscape
gsave clippath pathbbox grestore
4 dict begin
/ury exch def /urx exch def /lly exch def /llx exch def
90 rotate llx neg llx urx sub lly sub translate % llx,lly
end
clippath pathbbox newpath
/ury exch def /urx exch def /lly exch def /llx exch def
llx 18 add ury 18 sub translate
% Read the current Y resolution without using Ghostscript-specific operators.
gsave initmatrix 0 72 dtransform abs exch abs exch .max grestore
round cvi /dpi exch def
QUIET not
{ (Creating waterfall printout at ) print dpi =only ( DPI.\n) print flush
}
if
newpath 0 setgray
/Courier findfont 20 scalefont setfont
Fonts
{ save exch
QUIET not { dup ==only flush } if
findfont /basefont exch def
basefont 20 scalefont setfont eol
basefont /FontName get =string cvs show
( ) show dpi =string cvs show ( DPI) show
Sizes
{ QUIET not { ( ) print dup =only flush } if
dup /size exch def basefont exch scalefont setfont eol
size =string cvs show ( ) show
(qwertyuiop-asdfghjkl_zxcvbnm ) show
(QWERTYUIOP+ASDFGHJKL/ZXCVBNM ) show
(1470258369 .,:;?!) show
} forall
QUIET not { () = flush } if
matrix currentmatrix aload pop
7 -1 roll restore
6 array astore setmatrix
} forall
clear cleardictstack
waterfalsave restore
% Per page independence description in the PLRM Section 3.7.3, showpage follows restore
showpage
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