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ACS Basic Graphics Programming Manual
26 February 2015
Table of Contents
ACS Basic Graphics Programming .............................................................................................. 1
Screen Coordinates ...................................................................................................................................1
Pixels ........................................................................................................................................................1
Clearing The Screen .................................................................................................................................2
Drawing Lines ..........................................................................................................................................3
Drawing Arcs ...........................................................................................................................................4
Drawing Arcs with Style ..........................................................................................................................5
Drawing Boxes .........................................................................................................................................6
Drawing Circles ........................................................................................................................................7
Drawing Ellipses ......................................................................................................................................7
Drawing Polygons ....................................................................................................................................8
Drawing Text ............................................................................................................................................9
Drawing Text with Style ........................................................................................................................10
It is a Matter of Resources ...............................................................................................................10
There is a Table of Fonts .................................................................................................................11
And Now Back to Drawing the Text ...............................................................................................13
Drawing Images .....................................................................................................................................14
Rules for Drawing ...........................................................................................................................15
Making Things Move .............................................................................................................................15
Warning – Mathematics ..................................................................................................................15
Moving Smarter...............................................................................................................................17
Changing Direction ................................................................................................................................19
Rules for Making Things Move ......................................................................................................20
Staging an Event .....................................................................................................................................20
Rules for Events ..............................................................................................................................21
Taking Control with the Screen Framework ..........................................................................................22
There is a Table of Screens .............................................................................................................22
Scheming Controls ..........................................................................................................................22
Controlling Screens and Objects .....................................................................................................23
Touch Button Control ......................................................................................................................23
Multiple Objects ..............................................................................................................................25
Diving Into the Screen Framework .................................................................................................26
Rules for the Screen Framework .....................................................................................................27
Acs Basic Graphics System Variables ...................................................................................... 28
@ANSI. ..................................................................................................................................................28
@ANSI.ENABLE ...........................................................................................................................28
@ANSI.CURSOR ...........................................................................................................................28
@ANSI.SCROLL............................................................................................................................28
@ANSI.WRAP ...............................................................................................................................28
@ANSI.ROW..................................................................................................................................28
@ANSI.COL ...................................................................................................................................28
@BACKLIGHT .....................................................................................................................................28