Felipe Sanches wrote:
SVG1.1 spec, on session 20:
The purpose of SVG fonts is to allow for delivery of glyph outlines in
> display-only environments. SVG fonts that accompany Web pages must be
> supported only in browsing and viewing situations. Graphics editing
> applications or file translation tools must not attempt to convert SVG
> into system fonts. The intent is that SVG files be interchangeable
> two content creators, but not the SVG fonts that might accompany these
> files. *Instead, each content creator will need to license the given font
> before being able to successfully edit the SVG file.* The
> indicates the name of licensed font to use for editing.
Am I getting confused or is this part of the spec really promoting the use
of DRM techniques for SVG Fonts?
I think it means that:
1. SVG fonts are used to enable rendering of SVG images that contain a font
that isn't on your system.
2. Because some fonts are copyrighted, if you have licensed i.e. a TTF font,
you should be able to convert it into an SVG font to allow other people to
see it on your web page, however others should not be able to take your
generated SVG font and recreate your licensed TTF font from it.
3. I also think it means that editing an SVG image that contains SVG fonts
created from licensed fonts should be impossible unless the original TTF
font is present in your system.
4. Because the SVG font has the full information required to display a
glyph, it means that respecting those restrictions is up to the goodwill of
I think this basically means that if an SVG font was created from a licensed
font, it's supposed to be "read-only", as well as any document that uses
and converting such an SVG font to a system-readable font should be
impossible. I have the impression that this paragraph was put in to appease
font vendors (keep in mind that this spec was originally created by Adobe).
It doesn't advocate DRM in its regular sense, rather something like a
"please do not steal" sign. I think that an SVG font to TTF converter could
comply with this part of the specification, provided it refused to work on
SVG fonts derived from copyrighted fonts.
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