Re: FLASH: Flash bitmap overhead question...

[John Dowdell]

> I have imported about 1.2megs worth of jpgs into a symbol. After

> export the swf is approx. 6.6megs.  What is going on here?


It's possible to achieve that result, although it's not the usual result...

it could come about with highly compressed JPEGs that are set to be

recompressed to Flash's default JPEG compression, for instance.


D'you know if this person has opened up the "Bitmap Properties" dialog and

made sure that "Use Imported JPEG data" is checked? This is how you can

make sure that custom compression from Fireworks or other tools is

respected.


Other than that, the default for bitmaps is set in the "Publish" settings,

in the "Flash" export tab... the default is for "80% JPEG", which implies

that you can nudge down the JPEG recompression if you wish. (This doesn't

have the blurring and edge-retention options that you'd find in Fireworks,

though... for best JPEG results a dedicated compressor is still the way to

go.)



The later discussion about nested clips makes me wonder whether perhaps

they have a few more symbols than they realize, but that's just suspicion

on my part... can't tell for sure from here.


If they're trying to use outside compression, have they confirmed that they

can get this with the "Use Imported JPEG data" option, in a new simple test

file...?



(btw, that "Update" button in the Bitmap Properties doesn't cause as much

comment online as it should... if you've got to use some photograph then

you can edit it in some image-processing tool, come back to Flash and hit

"Update" to get all the changes back into your Flash document. Essentially

there's a live link to any external editor....)


jd







John Dowdell, Macromedia Tech Support, San Francisco CA US

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