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MacWorld 1998 March
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Macworld (1998-03) (Disk 1).dmg
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Shareware World
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For Developers
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GhostScript 5.10
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MacGS-510
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gs_dps.ps
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1997-09-18
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% Copyright (C) 1997 Aladdin Enterprises. All rights reserved.
%
% This file is part of Aladdin Ghostscript.
%
% Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
% or distributor accepts any responsibility for the consequences of using it,
% or for whether it serves any particular purpose or works at all, unless he
% or she says so in writing. Refer to the Aladdin Ghostscript Free Public
% License (the "License") for full details.
%
% Every copy of Aladdin Ghostscript must include a copy of the License,
% normally in a plain ASCII text file named PUBLIC. The License grants you
% the right to copy, modify and redistribute Aladdin Ghostscript, but only
% under certain conditions described in the License. Among other things, the
% License requires that the copyright notice and this notice be preserved on
% all copies.
% Initialization file for Display PostScript functions.
% ------ Halftone phase ------ %
/sethalftonephase { % <x> <y> sethalftonephase -
-1 2 index 2 index .setscreenphase pop pop
} odef
/currenthalftonephase { % - currenthalftonephase <x> <y>
0 .currentscreenphase
} odef
% ------ Device information ------ %
/.deviceinfodict mark
/Colors null /GrayValues null /RedValues null /GreenValues null
/BlueValues null /ColorValues null
.dicttomark readonly def
/deviceinfo { % - deviceinfo <dict>
currentdevice //.deviceinfodict .getdeviceparams .dicttomark readonly
} odef
% The current implementation allocates a 2-element array each time.
% Perhaps we should change this to 2 separate parameters for X and Y?
/.wtdict mark
/wtranslation null
.dicttomark readonly def
/wtranslation { % - wtranslation <x> <y>
currentdevice //.wtdict .getdeviceparams exch pop exch pop aload pop
} odef
currentdict /.wtdict .undef
% ------ View clipping ------ %
/rectviewclip { % <x> <y> <width> <height> rectviewclip -
% <numarray|numstring> rectviewclip -
newpath .rectappend viewclip
} odef