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wswartzendruber
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PostPosted: Fri Aug 24, 2012 5:08 am    Post subject: GNOME's Image Backend? Reply with quote

What does GNOME 3 use for an image backend? I'm asking because I feel that WebP is now at a point where it's practical for use. I would like to look into possibly writing a plugin for my senior project.
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zsitvaij
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PostPosted: Sun Aug 26, 2012 12:13 pm    Post subject: Reply with quote

It uses gdk-pixbuf. There's a patch here that makes simple apps work, but it predates the alpha support: https://bugzilla.gnome.org/show_bug.cgi?id=670379

Eye of Gnome works with this. I have a basic QImageIOPlugin for Qt/KDE support (based on this tutorial) which works with most apps I tried, including Okular with zipped up webp files in .cbz, but performance is terrible compared to jpeg and png.

edit: Here's what I have: an ebuild for gdk-pixbuf that applies the above patch, libwebp ebuilds that install MIME-type information and register a qimage plugin, and the qwebp source.
edit2: lossless works with gdk-pixbuf, it's transparency that's ignored.
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