ANN: Quartz Composition Filters in Revolution for OSX
Ben Rubinstein
benr_mc at cogapp.com
Thu May 8 09:52:23 EDT 2008
On 8/5/08 03:44, Thomas McGrath III wrote:
> I too was looking into Core transitions which you know we have already
> in Rev and was trying to make use of some of the built-in features of
> OSX in Applescript. But no luck. It turns out that the Quartz Filters
> are only available at this time through Xcode and Aperature, then I
> found that Automator also has internal access to these filters. But they
> are not scriptable. The applescript dictionaries for a lot of these new
> system wide features is half done. There are references to future
> scriptability for most of them. The difference was that Image effects
> are apple scriptable and Core transitions are already in Rev but these
> Quartz Composition Filters are not!!!
>
> So, I thought why not just build the Automator workflows and turn them
> into apps. Then call those apps from applescript from within Rev. But
> still they won't work directly on an image while it is in Rev but rather
> I am using rev to show the image, then save the image, then run the
> automator filter on the image and lastly reload the image and offer the
> user to save the new image file. It felt like cheating at first but then
> I realized that in RR these images are editable and savable and usable
> and this is not that different than doing all of this in an offscreen
> buffer, not really. Also multiple filters can be applied to the same
> image with very interesting results. Twirl will build upon Twirl over
> and over. I have been playing with this all day, it is very addictive.
>
> On to your issues: Two things, The first is you may have to apply the
> filter twice, do it once to initiate the process and then apply it
> again. This is just with the larger files because of the time the
> Automator app takes to run and in Rev I only put in a four minute wait.
Tom,
Many thanks for contributing this. Could I also solicit your (and other)
votes for:
http://quality.runrev.com/qacenter/show_bug.cgi?id=3055
Which is to extend the Core Image support currently in Rev, from Transitions
only to include Effects.
Cheers,
- Ben
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