5Dpfs
Thereare two escape sequences to define the area (or picture frame) that can
be used for GL/2 graphics:
inwhich nisthe horizontal size of the picture frame in decipoints, and
<ESC> ‘kCHY
in which nisthe vertical size of the picture frame in decipoints.
Thesecommands havethe followingside-effects: theyset P1tothe lowerleft
corner and P2 to the upper right corner of the picture frame. set the soft
clippingwindow tocoincide with thepicture frame,clear the polygonbuffer,
and movethe cursor to P1.
Ifnin either of these commands is zero. the picture frame is set to its default
size.
5Pfap
This command sets the location of the Picture Frame anchor point, the
positionof the upper left corner of the picture frame.
<ESC> *C 77T
Wheni7 is setto 0, the picture frame anchor point is set to the current point.
When itis other than O,the anchor point is set to the upper left corner of the
current logicalpage.
Side-effectsof this command are that it sets P1 to the lower left corner and
P2 to the upper right corner of the picture frame, it sets the soft clipping
windowto coincide with the picture frame, it clears the polygon buffer, and
itmoves the cursor to P1.
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