Op Mon, 17 Jan 2011 00:02:12 +0100 schreef Marcel Kilgus
<[email protected]>:
gdgqler wrote:
190 line_diff=(101*Yratio/hi)*wid/('135.5041505'*Xratio)
Blimey! How do you get 135.5041505? Surely you could let us have twenty
more significant figures?
Aspect ratio is 1.355 for PAL (and all SMSQ/E) systems and 1.173 for
NTSC QLs. For current SMSQ/E systems I actually made this a driver
variable which can be altered during runtime. Use
poke_f peek_l(!;$C4)+$14A,1
to get round circles on most PC monitors.
There is also a small extension by Jens Wildgruber called G_RATIO, which
can be found on some QL sites, including Dilwyn's and mine.
It creates a new keyword:
G_RATIO 0 will give the familiar flattened circles with square pixels.
Do a G_RATIO 1 and all circles are round again on QPC2.
Probably just does the Poke given by Marcel.
Bob
--
The BSJR QL software site at: http://members.chello.nl/b.spelten/ql/
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