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5 D p f s
There are two escape sequences to define the area (or picture frame) that can
be used for GL/2 graphics:
inwhich n is the horizontal size of the picture frame in decipoints, and
<ESC>
‘kCH Y
in which n is the vertical size of the picture frame in decipoints.
Thesecommandshavethefollowing side-effects:they setP 1to the lower left
corner and P2 to the upper right corner of the picture frame. set the soft
clippingwindowtocoincide with thepictureframe, clear the polygonbuffer,
and move the cursor to P1.
If n in either of thesecommands is zero. the picture frame is set to its default
size.
5 P f a p
This command sets the location of the Picture Frame anchor point, the
position of the upper left corner of the picture frame.
<ESC>
*C 77T
When
i7is set to 0, the picture frame anchor point is set to the current point.
When it is other than O,the anchor point is set to the upper left corner of the
current logical page.
Side-effects of 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
window to coincide with the picture frame, it clears the polygon buffer, and
it moves the cursor to P1.
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