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MacGhost252
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MacGS 2.5.2 Runtime ƒ
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1993-01-14
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13 January 1993
Overview
--------
This Compactor Pro archive contains the runtime environment for version
2.5.2 of Macintosh Ghostscript that runs on a Macintosh with at least
2 Megabytes of memory. Because it does *not* contain the Ghostscript
source code, you must also obtain and unarchive MacGS_2.5.x_Dev.cpt to
obtain a complete Ghostscript development environment.
This implemention does not require 32-bit Color QuickDraw and runs
under both System 6 and System 7. It should even run on black-and-
white displays (!).
This version does not presuppose a 68020 or better processor, nor does
it presuppose the existence of a 68881 FPU.
Mac-Specific Features
------------ --------
Once Ghostscript is initialized, if you click on the Graphics window,
you can open and display PostScript files via the MacGS menu. This
menu also allows you to save your PostScript output as a PICT file.
You can Cut and Copy the rendered image to the clipboard.
The arrow keys will scroll the graphics window. On an extended
keyboard, the Page Up/Down and Home/End keys will scroll the image
appropriately; the addition of the Option key specifies the horizontal
scrollbar.
Limitations (Caveat emptor!)
----------- ------- --------
Although I've implemented printing, I don't have a printer. Thus, as
Donald Knuth says, "Although I've proven the code correct, I haven't
tested it."
No interface currently exists that allow you to specific other
Ghostscript device drivers.
There is currently no way to interrupt the execution of a large PS
file other than to Quit MacGS when pauses at the end of a page.
Bugs
----
Runtime errors sometimes cause MacGS to terminate abnormally with a
typecheck error if the Ghostscript interpretor is implicitly invoked
via the Open File... menu item. If you are writing PostScript programs,
and are therefore susceptible to PS errors, I suggest that you use the
console interface to execute your programs.
Printing appears to be a noop.
On a black-and-white (viz., 1-bit deep) display, some PS files make
the initial contents of the graphics window black; scrolling the window
sometimes ameliorates this problem.
Distribution Caveats
------------ -------
Even though I've not yet included the caveat in most of the source
code that I've generated, the distribution of the source code is
controlled by the GNU General License.
...Martin Fong mwfong@nisc.sri.com