On 21 Jan 2009, at 16:09, Richard Gaskin wrote:
Dave wrote:
I tried the getResource command in revolution, it doesn't seem to
work with Mac OS X .rsrc files. For instance when I run this
script from a button:
on mouseUp
local myFilePathName
local myResourceData
local myResult
put "/Users/Dave/Desktop/iTunesImages/myFile.rsrc" into
myFilePathName
put getResources(myFilePathName) into myResourceData
put the result into myResult
end mouseUp
myResourceData and myResult are both empty, yet when I look at
the file with ThemePark it show the Icons and Files ok. The
myFile.rsrc I used here was taken from iTunes in the Resources
folder inside the App Package.
What I really want is to convert the pngs and icns into JPEG images.
The getResources function works on the resource fork only, added
back in the OS 8.5 days and increasingly Apple is migrating away
from using resource forks so it's not so useful under OS X.*
So while that explains why you're not getting what you're looking
for with that, I'm confused about what's in iTunes .rsrc file. It
seems its icons are stored in several dozen .icns files within the
bundle's "Resources" folder. With a tool or external that can
extract the image data from them (could conceivably be done with a
script too) it would seem those icns files are where you would
obtain those images.
Yet the iTunes .rsrc file weighs in at more than 10MB. What's in it?
There are a *lot* of icons! Download ThemePark and look. For instance
there is an Icon for every iPod on the market in every color, when
you include all resolutions from 512x512 (in some cases) down plus
all the masks. There are also png images and a lot of strings. I just
want to be able to access this rsrc file to get an icns file, then
access the icns file to get the rendered version of the Icon at a
given resolution.
* I'll take this opportunity to make another prediction about
Apple: one of the next major changes to the OS seems likely to be
migrating away from HSF to the same file system used by Unix/
Linux. The downside to this migration is the final end of the old
resource forks, but the upside would be complete compatibility with
most of the non-Microsoft world while further marginalizing
Windows, drawing attention to it being a technological island.
Similar in scope to the other major transitions (68k->PPC, Classic-
>OS X, PPC->Intel) this will be somewhat disruptive during the
transitional phase, but will also carry an upside for vendors as
the previous transitions did by artificially enhancing demand for
software upgrades which would otherwise be dependent on features
alone.
I'll go further out on a limb to predict this will be announced
within the next three years.
I wouldn't be surprised if they did do this. Seems like they are hell-
bent on getting rid of anything good from the Mac OS. The last time I
looked HFS was a much better filing system than the Unix filesystem.
Thanks a lot
All the Best
Dave
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