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Chestnut's Multimedia Mania
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1989-11-19
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This program is a demo of both object oriented programming and using
the GRAPH unit. The program should be fairly self explanatory with a
couple of small points:
1) You must have a mouse and mouse driver installed.
2) You must have a copy of the appropriate BGI driver file for your
display type in the current directory (e.g. EGAVGA.BGI).
3) Click in the 'Q' box to quit.
4) The 'C' box clears the drawing area.
5) Clicking in the lower left window changes the type of style that
can be modified in the lower right window.
6) Clicking in the 'ABC' box selects text entry. You must then go to
the drawing window and use the mouse to enter a text box. This
box represents the size of a single character. Note you may
adjust both the height and width of characters drawn. Typing a
character displays it on the screen, no editting of any sort is
provided.
7) To compile the program, simply do a make or build on PAINT.EXE.
I've written an equivalent program using Microsoft's Quick Pascal
and the MSGRAPH unit that comes with it. The design is identical and
the functionality is just a matter of the differences in how the two
graphics packages are written. It does provide an interesting
comparison of the object oriented approaches in Turbo Pascal and Quick
Pascal. The Quick Pascal version may be found in the Quick Pascal
section of Microsoft's Programming forum on Compuserve.
Have fun!
Scott Bussinger
Professional Practice Systems
110 South 131st Street
Tacoma, WA 98444
(206)531-8944
Compuserve 72247,2671