Re: Wallpaper goes "fuzzy"


"Robert B. Peirce" <rbp@xxxxxxxxxxxxxxxxx> wrote in message
news:42c13b64_2@xxxxxxxxxxxxxxxxxxxx
>
> "Matthew Kirkcaldie" <m.kirkcaldie@xxxxxxxxxxxxxxxxxxxxxx> wrote in
> message
> news:m.kirkcaldie-698E40.14052828062005@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>> "The first display is an approximation of the resampled image, produced
>> by showing the nearest-neighbour pixel of the source image, and the
>> subsequent image is a properly resampled image which takes the average
>> of multiple source image pixels (or calculates smooth gradations between
>> pixels if the source is lower-resolution) to get the single screen
>> pixel. You see the same thing opening a large image in Preview. "
>>
>> The nearest-neighbour version will look "sharper" because it has abrupt
>> transitions between pixel values. However it will be less accurate.
>> Think of the difference between aliased and anti-aliased text.
>
> But why did this work fine for years and suddenly start to have problems?
> Was there some change in 10.3.x, where x is 9 or earlier, that is causing
> this?

Also, why is the same image, as wallpaper, totally stable? It only goes
fuzzy when the system switches to the slide show mode.


.

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