Kaypro 10 - Drawing Routines (Circles, Rectangles, etc.)

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In

the

S-BASIC

graphics

package (graphics.bas), there are several procedures

that

allow

the

user

to

draw

complicated

figures

with

just

one

command.

These

are

routines

for

drawing:

Circles:

require three parameters:

1)

the

vertical

coordinate

of

the

center

of

the

circle,

2)

the

horizontal

coordinate

of

the center,

3)

the

radius

of

the circle.

Rectangles:

have

four

parameters:

1)

the

vertical

coordinate

of

the

upper

left

corner,

2)

the

horizontal

coordinate

of

that

corner,

3)

the

height,

4)

and

the

width.

Squares:

need

three

parameters:

1)

the

vertical

coordinate

of

the upper

left

corner,

2)

the

horizontal

coordinate

of

the

upper

left

corner,

3)

and

the

length

of

a side.

Bars:

require

eight

parameters:

1)

the

vertical

coordinate

of

the base

of

the bar,

2)

the

horizontal

coordinate

of

the

base,

3)

the

height,

4)

the

width,

5)

the

depth,

6)

the

interior

of

the bar

filled

or

empty,

This

parameter

should

be:

o for an em

pty

bar,

1

for

a full one.

7)

vertical

illusion

of

depth up

or

down,

-1

for

up

1

for

down

8)

horizontal

illusion

of

depth

left

or

right.

- 1

for

left

1

for

right

70

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