-----Original Message----- From: Niko Kiirala [mailto:niko@...1267...] Sent: 21 March, 2009 16:31 To: inkscape-devel@lists.sourceforge.net Subject: Re: [Inkscape-devel] Re : Inkscape 0.47 - was Re: GSoC 2009 - Project handling in the repository
Thu, 19 Mar 2009 21:47:07 +0000 (GMT) Ivan Louette <ivan_louette@...48...> kirjoitti:
"256 levels is not a limitation of SVG itself, but a limitation of Inkscape rendering engine. Using more than 8 bits per colour component would help with this problem, but likely would require quite a bit of work."
It has some consequences on the blur quality (banding problems) and also the progressiveness of the height maps (odd plateaus). I don't know if this work could be done for the 0.47 release. I can't evaluate the amount of work because I am not a programmer. However that's not a limitation for my work on filters.
If there is banding visible with blur, moving to higher bitdepth is not going to help (unless there are some quality-loss bugs in blur rendering): even if Inkscape internally used 16-bit colours, they must be converted to 8-bit to be displayed on screen. Some kind of dithering might help, though.
The banding comes mostly from contrast manipulations, and having 16 bit representation of colors would alleviate that.
-- Niko Kiirala niko@...1267...
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