On 29/07/2009, at 7:58 AM, David Blanton wrote:
Any insight on why this does not change the ruler measurement units:
[[[NSRulerView alloc] initWithScrollView:_scrollView
orientation:NSHorizontalRuler] setMeasurementUnits:@"Centimeters"];
TIA!
Yes, because NSRulerView knows nothing of these "Centimeters" of which
you speak.
You have to register the units you want to use with NSRulerView prior
to use, using:
+ (void)registerUnitWithName:(NSString *)unitName abbreviation:
(NSString *)abbreviationunitToPointsConversionFactor:
(CGFloat)conversionFactor stepUpCycle:(NSArray *)stepUpCycle
stepDownCycle:(NSArray*)stepDownCycle
This sets up an internal table associated with the name "Centimeters"*
(or whatever) that tells the ruler how to lay out its marks.
You know, you could do worse than to spend a few hours actually
reading the documentation - most of the questions you are rapidly
firing at the list are answered therein.
--Graham
*P.S. it's "Centimetres"
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