Sign Puddle on Mobile Phones

Steve Slevinski slevin at SIGNPUDDLE.NET
Sat Feb 28 15:54:45 UTC 2009

Hi Bill,

I'd assume the Sidekick does not fully implement the PNG standard.

There are 3 layers of PNGs at work here.  First are the original symbol 
PNGs with transparency.  Those symbols are resized and colored for the 
sequence.  Then those symbols are spatially combined for the sign 
image.  The sign image is the most complicated and is probably causing 
the problem.

I'd be interested to know if the same problem exists for the SignWriting 
Image Server.

It was an experience trying to get the signs to resize, color, and 
retain transparency.  In the SignWriting Image Server you can take a 
look at the scripts "glyph.php" and "glyphogram.php" for the actual 
implementation of individual symbols and completed signs respectively.



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