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Titanium Glitch...
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Professional Poster
Join Date: Jun 2001
Location: South Detroit
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May 25, 2003, 02:05 PM
 
Titanium is an old theme, one of the first for OSX, that I have been working on for a long time and have updated a couple of times with Themefur for new versions of OSX. It's always had a glitch in the scrollbars that I still haven't been able to fix. When I click in the scroll track the scroll bar goes over to where I click and then bounces back to it's original position. Does anyone know how I can fix this? My theme is still changing and I think it's getting nearer to being ready for release, but I definitely have to get the solution to this problem.


I love the U.S., but we need some time apart.
     
GUI Punk
Join Date: Jan 2002
Location: S.E. Mitten
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May 25, 2003, 03:21 PM
 
You need to make one or two pixels of the transparency image not fully black on each end of the end caps.
Like this:



Notice the selected area is 98% black instead of 100%. Visibly unoticeable (usually) but fixes the scrolling glitch.

24" AlumiMac 2.4ghz C2D, 4g Ram, 300g HD, 750g USBHD • 80g iPod • 160g ATV • iPhone 3g
     
mrtew  (op)
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May 25, 2003, 04:20 PM
 
Originally posted by swiz:
You need to make one or two pixels of the transparency image not fully black on each end of the end caps. Visibly unoticeable (usually) but fixes the scrolling glitch.
WOW! That's incredible! It worked! How the heck did anyone ever figure that one out? And how did Apple accidently write that in??? Thanks! I feel sooooooo much better, that has been driving me crazy for a year. I thought I'd eventually see what was wrong on my own, but I never would have seen that on my own!

I love the U.S., but we need some time apart.
     
Mac Elite
Join Date: Sep 2000
Location: Tempe, AZ
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May 27, 2003, 12:47 AM
 
Originally posted by swiz:
You need to make one or two pixels of the transparency image not fully black on each end of the end caps.
Like this:



Notice the selected area is 98% black instead of 100%. Visibly unoticeable (usually) but fixes the scrolling glitch.
Interestingly enough, what you describe (using 98% transparency) sounds a lot like the procedure one can use to keep the OS from automatically premultiplying an image. If this is true, you can get the same effect by choosing any single pixel anywhere in the image and making only it 98% transparent.

This is complete and utter speculation on my part, of course. I have no idea why premultiplication would have any effect on the thumb's behaviour.
Geekspiff - generating spiffdiddlee software since before you began paying attention.
     
   
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