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GSX-86: Graphics for the APe
POLYMARKER
This operation draws markers at the points specified in the input array. Be sure to
specify the solid linestyle before dra wing markers, and restore the previous linestyle
when done. Also, make sure the markers exhibit the current marker attributes:
color, scale, type.
Input
Output
TEXT
contrI(l)
contrl(2)
ptsin
contrI(3)
--
Ope ode
=
7
N umber of markers
Array of coordinates in device units (n)
(rasters, plotter steps, etc.)
ptsin(1)
X-coordinate of first marker
ptsin(2)
Y -coordinate of first marker
ptsin(3)
X-coordinate of second
marker
ptsin( 4)
Y -coordina te of second
marker
ptsin(2n-l) -- X-coordinate of
marker
ptsin(2n)
-- Y -coordinate of
marker
0
last
last
This operation writes text to the display surface starting at the position specified by
the input parameters. Note that the X,Y position specified is the lower left corner of
the character itself, not the character cell. The text must exhibit the current text
attributes: color, height, character up vector, font.
Input
Output
contrI(l)
contrI(2)
contrI(4)
intin
ptsin(l)
ptsin(2)
contrI(3)
Ope ode
=
8
Number of vertices
=
Number of characters in text string
Character string in ASCII Decimal Equiv-
alent
X-coordinate of start point of text in
device units
Y-coordinate of start point of text in
device units
o
9-25
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