Hi all,
I'm a relative newcomer to QC and Mac development I guess, been
enjoying reading this list for some months now. I was wondering if
anyone might have some tips for me to with a noob issue.
I've developed a sort of a "slideshow engine", in that it's a master
composition which loads individual "slide" compositions (using the
Composition Loader patch) from a particular directory, where each
individual .qtz represents an individual "slide". All the logic for
iterating through a bunch of dynamically loaded .qtzs and performing a
fade transition between them is working reasonably well (finally!)
However, my one hiccup is related to the fact that I have an RSS news
ticker constantly scrolling along the bottom of the slideshow.
Basically, it's the one from the QuartzTV demo on the net. Whenever
one of my "slides" loads which itself contains an Image Importer or
Image Downloader patch (it doesn't seem to matter), there is a slight
pause while the slide (composition) loads, which makes the RSS ticker
appear to stop momentarily. If the "slide" only contains, say, a bunch
of strings rendered with an Image With String patch, there is no
perceptible delay when the composition loads.
Does anyone have any suggestions for an alternative implementation
strategy, or a way I can get around this? Please let me know if I
haven't explained myself very well and I'm happy to try and clarify or
provide an example. I guess an alternative would be to load all the
compositions (slides) in at the beginning, but that means "hardcoding"
the content of the slideshow and number of slides in to the main
composition, whereas I prefer the idea of loading in an arbitrary
number of slides dynamically from a directory.
Hope that makes some sense! :)
Cheers,
Ben.
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