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1992-04-07
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GRASPRT 3.50 Regisstration (Docs)
GRAP FEB90 ANIMATION VIEWER VGA GRASP .GL
FILES grasp35.sdn
Grasp now sports 102 commands, greatly improved performance,
and many new features which give Grasp all the capabilities
of other third-generation languages like C and Pascal. Here
are some of the highlights:
Grasp now supports most of the enhanced VGA modes,
including 16-color 1024x768 and 256-color 800x600. As always,
the modes available to you depend on your video card. Page
6-4 in the Grasp manual lists all of the modes.
The utility GDFF creates differential animation files
which Grasp can play back. This technique saves the changes
from one frame to another in a sequence of images, resulting
in much smaller and faster animations. See page 2-13 for an
introduction to the concept.
Grasp now has full multimedia capability. The INT command
calls interrupts, which allows Grasp programs to control CD
players and other devices and to issue DOS commands such as
Make Directory. See the files DOSIO.TXT and CDCMD.TXT for
examples.
Grasp now features conditional execution in If-Else-Endif
constructs, which can be built around value comparisons, user
keystrokes, mouse clicks, and other testable conditions. See
pages 3-34 through 3-37.
Grasp now allows variables and can perform string and
math operations. See pages 3-28 and 3-29 for an introduction
to variables, and pages 6-18 through 6-20 for lists of
operators and functions.
You can now pass parameters to subroutines, including
variables. See pages 3-37 through 3-41 for details.
The Text command now wraps text within windows
automatically, and you can choose left, center, or right
alignment of text. Letter and word spacing can also be
controlled. See page 4-88.
All Grasp commands can now work with clippings or
pictures. To use a clipping with a command designed for
pictures such as Pfade, preface the buffer number with a C.
To use a picture with a clipping command such as Putup,
preface the buffer number with a P.
The quick-key feature has been expanded to include more
menu options and to allow you to select all of the drawing
tools. See section six of the Pictor manual for a complete
list. Also note that it's no longer necessary to use the Alt
key with a letter key to select menu options or tools, unless
you're using the Text tool.
In VGA modes you can cycle a range of colors on screen by
pressing Tab. All colors from the left to the right mouse
button color will begin shifting positions as they do in
Grasp with the Cycle command. Tab again to speed up shifting;
use Shift-Tab to slow it down and stop it. Press the
Backspace key to reverse cycling direction.
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(SDA Format (c)Copyright 1992 The SDN Project - SDNet/Works!)
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