loading members at runtime 2004-02-28 - By Neto
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> More of a problem is there appears to be no way to determine if a bitmap
> member has an alpha!
> Am I missing a function?
> Haven't tested importfileinto to see if it automatcially sets the usealpha
> property (which member.filename doesn't). If it did then that could be
used.
> However I got a workaround based on filetype of the bitmap. If its JPG it
> can't have an alpha, if its tif, png, or something else, then it can have
an
> alpha chanel, and will be deemed as such. To be honest I think this works
> better as all non-alpha bitmaps need to be jpeg'd to reduce filesize, but
it
> would still be nice to check if a bitmap actually had an alpha.
>
> Noisecrime 2004
Recently in the list it was revealded that when you do:
isEqual = (imageA = imageB)
Director will do a pixel compare (!). So you could compare the image's alpha
against a black 8-bit #greyscale image.
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