Re: Rotated NSImage drawAtPoint:... slow (*$?! photoshop)
Re: Rotated NSImage drawAtPoint:... slow (*$?! photoshop)
- Subject: Re: Rotated NSImage drawAtPoint:... slow (*$?! photoshop)
- From: Vince DeMarco <email@hidden>
- Date: Wed, 20 Feb 2008 16:26:48 -0800
On Feb 20, 2008, at 1:13 PM, Ben Lachman wrote:
Right, so never mind that post. I re-saved the image with preview
and it now loads without any hiccups. Anyone know the implecations
of a Photoshop TIFF versus one saved by Preview?
Preview saves the tiffs as premultiplied images, photoshop doesn't.
Just save the original Photoshop files for editing latter (if you need
it)
Vince
Thanks,
->Ben
--
Ben Lachman
Acacia Tree Software
http://acaciatreesoftware.com
email@hidden
740.590.0009
On Feb 20, 2008, at 4:04 PM, Ben Lachman wrote:
I just finished working on a view that draws some stuff at an angle
including an NSImage created from a tiff with alpha. It worked
great in the test project with no noticeable performance issues. I
imported it into my main project and hooked it into my view
hierarchy and it now hangs for about 8 seconds while loading the
view. Looking at samples all the time is being spent in -
[NSBitmapImageRep loadData] for that image (its only 138x188px).
If I comment out the drawAtPoint: call that draws the image the
view loads without any hang time. Any thoughts on why this would
be happening? This is on 10.4.11.
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