Further to my recent post re QuickDraw issues, I decided to move my
code into the 21st century and do all my shapes using RB Object2Ds
(RectShapes, etc...)
In QD, it was easy to draw the classic marching ants selection outline
by shifting a pattern and redrawing in response to a timer.
Never mind the marching, all I want now is the ants, ie. a dashed
border for my RectShapes and CurveShapes.
Anyone have info on how to do this?
Thx,
Peter.
--
-------------------------------------------------------------------------------
Peter K. Stys, MD
Professor of Medicine(Neurology), Senior Scientist
Ottawa Health Research Institute, Div. of Neuroscience
Ottawa Hospital / University of Ottawa
Ontario, CANADA
tel: (613)761-5444
fax: (613)761-5330
http://www.ohri.ca/profiles/stys.asp
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Date: Fri, 28 Apr 2006 09:41:03 -0600
From: joe at strout dot net
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Subject: Re: How do I draw a dashed border for an Object2D?
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You wrote:
Further to my recent post re QuickDraw issues, I decided to move my
code into the 21st century and do all my shapes using RB Object2Ds
(RectShapes, etc...)
In QD, it was easy to draw the classic marching ants selection outline
by shifting a pattern and redrawing in response to a timer.
Never mind the marching, all I want now is the ants, ie. a dashed
border for my RectShapes and CurveShapes.
Right -- unfortunately patterns (in the QD sense) aren't something easily
supported cross-platform. But what you can do is draw your borders into the
mask of a picture, the image of which has been filled with an appropriate
pattern. Then draw this picture to the final graphics context.
Of course, you'll notice that you don't see the marching-ants selection style
in Apple apps anymore -- the more fashionable look these days seems to be the
translucent region, which is actually quite a bit easier to do (on OS X, at
least) with the Object2D classes.
HTH,
- Joe
--
Joe Strout -- joe at strout dot net
Available for custom REALbasic programming or instruction.
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