Re: Does swfmill have any options for image compression?

On Thu, Apr 24, 2008 at 11:32 PM, Joel Poloney
<jpoloneygmail.com> wrote:
> On Thu, Apr 24, 2008 at 2:23 PM, Mark Winterhalder
<mark13gmail.com> wrote:
>
> > I think the compression setting in Flash only
affects JPGs (where
> > Swfmill just takes what you pass to it, so you'd
have to use another
> > program to compress your JPGs further if
desired).
>
> If you're talking about the Flash IDE, then this is
incorrect. Even though
> it says "jpeg compression", it will affect
all images, regardless. For
> example, I had it compressing my transparent PNG images
quite a bit. I have
> no idea what type of compression they're using, but I
think that's what this
> thread (and my thread) are all about. How can we
achieve such compression
> from the command line.

Yes, the Flash IDE is what I meant.

I'd be curious about an experiment somebody with access to
Flash could
do: A simple SWF with just a single PNG, once with lowest
compression,
then highest compression, and how those compare to each
other and a
Swfmill equivalent.
I mean, we can see with Zlib how lossless compression can
differ
depending on how many cycles you throw at it, but if SWF's
lossless
compression varies in size, I wonder why it's not at highest
per
default.

Mark

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I'm not sure this is the same thing the flash IDE does but
this is a way
to get better compression for transparent pngs using
swfmill:

I have used ImageMagick to do the image conversions:

1. Convert the image to an jpg (only color information):
convert source.png 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"/>

Of course you can also save these files directly from your
image editing
application.

I've uploaded a example at: http://pep-mp.de/sw
fmill/Mask.zip

The archive contains two xml files. 1.xml does use the
original image
and 2.xml the jpg image and png mask.

Ralf


Am Donnerstag, den 24.04.2008, 14:32 -0700 schrieb Joel
Poloney:
> On Thu, Apr 24, 2008 at 2:23 PM, Mark Winterhalder
<mark13gmail.com>
> wrote:
>         I think the compression setting in Flash only
affects JPGs
>         (where
>         Swfmill just takes what you pass to it, so
you'd have to use
>         another
>         program to compress your JPGs further if
desired).
> 
> If you're talking about the Flash IDE, then this is
incorrect. Even
> though it says "jpeg compression", it will
affect all images,
> regardless. For example, I had it compressing my
transparent PNG
> images quite a bit. I have no idea what type of
compression they're
> using, but I think that's what this thread (and my
thread) are all
> about. How can we achieve such compression from the
command line.
> 
> -- Joel
> 
> _______________________________________________
> swfmill mailing list
> swfmillosflash.org
> http://osflash.org/mailman/listinfo/swfmill_osflash.org


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