[OT] images: best transparent format

ddas dev at digifilm.com
Mon Oct 31 08:31:18 EDT 2011


Thanks for the 32 bit tip Scott.

Regards,
Debdoot

On Oct 31, 2011, at 1:41 AM, Scott Rossi wrote:

> I'm pretty sure the issue is LiveCode, not you.  See an example here:
> 
> http://www.tactilemedia.com/download/LC_antialias_issue.jpg
> 
> LiveCode has had antialiasing issues for years (try creating a sharp line
> using an even line width in LC -- can't be done when antialiasing is
> enabled).  My guess is whatever routines are being used to antialias object
> edges are also being applied to edges of images and producing less then
> desirable results.
> 
> BTW, the image format you want is 32 bit PNG.  And, yes, it is worth the
> bother, so we can get good results using native graphics effects, and keep
> apps efficient, instead having to go outside LiveCode and "hard code"
> graphic effects into images.
> 
> Regards,
> 
> Scott Rossi
> Creative Director
> Tactile Media, UX Design
> 
> 
> Recently, Nicolas Cueto wrote:
> 
>> Hello,
>> 
>> I'm using Fireworks 2004 to create transparent images of alphabet
>> letters that I import onto an LC stack using LC's "File > Import"
>> menu. Problem is, when in LC I set "dropshadow" and "innershadow"
>> there is still a teeny little bit of jaggedness noticeable between the
>> image itself and the inner/outer shadows.
>> 
>> As attempts to a solution, in Fireworks I've tried:
>> 
>> -- the various "Anti-alias" options (smooth, crisp)
>> -- a PNG8 file export, with either/or Alpha- and Index-transparency
>> (whatever those mean!), and with either/or no-Matte and Matte of a
>> color either/or exact or similar to the image color
>> -- a PNG32 file export (no option available for Alpha- or Index-transparency)
>> 
>> ... and in LC I've messed around with the various
>> dropshadow/innershadow settings, including  "Filter"  from Gaussian
>> down to box3pass.
>> 
>> As I say, the jaggedness is quite slight. Some might say it's not even
>> worth the bother. But, if I notice it, my finicky Japanese learners
>> will too.
>> 
>> Thanks.
>> 
>> --
>> Nicolas Cueto
>> 
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> 
> 
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