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Scrolling not hardware accelerated like zooming?

 
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jason1123



Joined: 07 Jul 2006
Posts: 3

PostPosted: Fri Jul 07, 2006 6:18 am    Post subject: Scrolling not hardware accelerated like zooming? Reply with quote

I like PicaJet's ability to zoom in and out of images by Ctrl+dragging the mouse. Its perfectly smooth and I can get an idea of how best to crop an image while zooming. During regular mouse dragging, however, there's some kind of distracting flickering that occurs (most noticeable when dragging diagonally). It seems to be horizontal stripes of the image changing at different speeds. They don't move very far, but its a shimmering effect overall that hinders my ability to focus clearly on the image until I stop dragging. The same thing happens in every other image viewing program I've tried (ACDSee, Irfanview, etc.) Is PicaJet's hardware acceleration supposed to apply to dragging as well Ctrl+dragging? BTW, I have an Athlon64 X2 and a Radeon 1800XL with the latest drivers.
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Alex
PicaJet Team


Joined: 18 Feb 2005
Posts: 340

PostPosted: Tue Jul 11, 2006 12:19 pm    Post subject: Reply with quote

All graphics in the PicaJet using hardware acceleration except editing. Which version of PicaJet do you have?
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jason1123



Joined: 07 Jul 2006
Posts: 3

PostPosted: Thu Jul 13, 2006 3:34 pm    Post subject: Reply with quote

I'm using v2.5 (454). But I discovered that I could get rid of the problem by going into ATI's Catalyst Control Center program and setting "Wait for vertical refresh" to "Always on." Apparently what I was seeing is called "tearing" and this prevents it.
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