Contents of the READ.ME file
This is a very simple graphics package for the EGA and VGA. It draws the
basic primitives of lines, ellipses, filled rectangles, filled ellipses,
and text (two sizes and user defined). It is written to get the ultimate
in high speed possible while drawing in the set/reset mode. It can be
called from Microsoft C and Fortran, or any language including assembler
which follows their calling conventions.
Here is a list of the included files:
CLIPLINE C Source code for clipped line routine.
EGAFORT H Header file for subroutine prototypes for Fortran.
EGAGRA ASM The main graphics package source.
EGAGRA DOC Documentation.
EGATEST C A test program to verify correct compilation.
ELLIPSE C Source code for ellipse drawers.
GRAFEX1 C Example program that draws a star.
GRAFEX2 C Example program that uses user-defined patterns.
INTEST ASM Assembler subroutine for SLUGS.FOR
MACROS AH Header file for EGAGRA.ASM which defines memory model.
MOVERM C Example program for plane masking.
MOVERS C Example program for page swapping and plane masking.
SLUGS FOR Example program in Fortran whose results look nice.
Some of the code in this package is patterned after that of U.E.Kruse of
the U. of I. Physics department. The grafex1 demo program generates
essentially the same pattern as the one of the same name in the package
by Scott Snyder of caltech recently posted on the net. The macros.ah
is also from his package.
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This package is a minor update to that created by J. D. McDonald. I have
added VGA (16-line character) support to EGAGRA.ASM, as function xlettr
(per his proposal in the description of slettr and llettr), and a run-time
parameter to the example code MOVERM.C which permits the user to set the
Greg Young, 09-30-91 CompuServe 72651,764