[swfmill] Does swfmill have any options for image compression

Ralf Fuest ralf-fuest at gmx.de
Tue May 13 09:43:18 PDT 2008


It's good to hear that you find the information useful.
This should work with every png file with an alpha channel.

I just saw that step 1 could also be written shorter:
convert source.png -fx "u*a" image.jpg

Ralf

> Ralf, 
> 
> You're awesome! Thanks for providing this information on how to use
> ImageMagick to achieve this.
> 
> I've rewritten your original step by step instructions to include this
> update.  
> 
>     1. Convert the image to an jpg (only color information):
> 
>        convert source.png -channel RGB -fx "u*a" image.jpg
> 
>     2. Convert the alpha channel to a grayscale png:
> 
>        convert source.png -channel matte -negate -separate -depth 8
> -type     
>         Grayscale mask.png
> 
>     3. Import in swfmill:
> 
>        <clip id="foo" import="image.jpg" mask="mask.png"/>
> 
> 
> Can you tell me if you know of any types of png's that doing this would
> NOT work?  I'm trying to determine if it would it be reasonably safe to
> automate this on all png's even when you don't know in advanced much
> about the png. 
> 
> Thanks SO MUCH!
> Lynn





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