pixel
coordinate
system
The pixel coordinate system
is
used
to
define the positions and sizes of wmdowo, blocks
and cursor positions
on
the OL screen. The coordinate system has
Its
origin
In
the top
left hand corner
of
the default window (or screen) and always assumes that
pOSitions
are speCified as though the screen were
in
512
mode
(high resolution mode). The system
Will
use the nearest pixel available for the particular mode set making the coordinate
system independent of the screen
mode
,n
use.
Some commands are always relative to the default window Origin,
e.g
WINDOW, while
some are always relative
to
the current window origin,
e.g.
BLOCK.
•
(0.0)
(256,0)
x
(0.512)
•
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The Pixel Coordinate System
12/84
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