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Re: Image transition

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Re: Image transition

Subject: Re: Image transition
From: "John C. Randolph" <email@hidden>
Date: Wed, 27 Jul 2005 12:34:40 -0700


On Jul 27, 2005, at 7:52 AM, Luca Nalin wrote:

Hi, I'm working on a small image viewer and I would like to know what's the best way to implement a fade transition between two images. I would prefer to use a method compatible with both Tiger and Panther, but I don't know where to start!

See NSImage's -dissolveToPoint:fraction: and - dissolveToPoint:fromRect:fraction: methods. Draw the first image, then draw the second image over it in a loop, while decreasing the fraction for the first image and increasing it for the second.

HTH,

-jcr


John C. Randolph <email@hidden> (408) 914-0013
Roaming Cocoa Engineer,
Available for your projects at great Expense and Inconvenience.

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  >Image transition (From: Luca Nalin <email@hidden>)




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