Hi, In regards to the Mac platform we can use with CTFontCopyTable() with the MATH identifier.
Can you email me a copy of the Microsoft document so we can look into it more. Thanks On Mar 19, 2014, at 11:43 PM, Frédéric WANG <[email protected]> wrote: > Hi all, > > I'm trying to implement the OpenType MATH table [1] in WebKit in order to > improve the MathML support. I've already made some progress and split the > work into several steps [2]. For people who are interested, here are some > screenshots showing some rendering improvements: > > http://www.ulule.com/mathematics-ebooks/news/screenshots-31369/ > > There was already some code in Source/WebCore/platform/graphics/opentype/ to > read OpenType tables so I've been able to reuse it for the MATH table. > However, this code is not compiled on all platforms. At the moment I'm only > able to compile the support for OpenType MATH table with the following > condition: > > USE(FREETYPE) || (PLATFORM(WIN) && (USE(CG) || USE(CAIRO))) > > which I think means it will work on Linux (I tested the EFL and GTK ports) > and most Windows platforms (not tested yet). This means that for the Mac > port, I can not do better than using big hardcoded tables... That can be a > temporary solution, but it would be better to read the font tables directly > in order to get support for arbitrary MATH fonts and to make maintenance > easier. > > So I'd like to know if the current font API on the Mac port has some features > to load OpenType tables? As a comparison on Gecko, I've used Harfbuzz to read > the MATH table and this library is also available on Mac. I heard that Blink > was moving to Harfbuzz on all platforms, so I'm also wondering if there are > plans to do the same for WebKit? This would allow to support OpenType tables > on all platforms... > > Thank you, > > [1] MATH table references: > http://mpeg.chiariglione.org/standards/mpeg-4/open-font-format/call-proposals-isoiec-14496-22-open-font-format-color-font > http://www.ntg.nl/maps/38/03.pdf > "The MATH table and OpenType Features for Math Processing" (Microsoft's > document, not public yet ; send me a private mail if you want to get a copy) > > [2] Bugzilla references: > https://bugs.webkit.org/show_bug.cgi?id=130321 > https://bugs.webkit.org/show_bug.cgi?id=130322 > https://bugs.webkit.org/show_bug.cgi?id=130324 > https://bugs.webkit.org/show_bug.cgi?id=130325 > > -- > Frédéric Wang > MathML Crowdfunding: ulule.com/mathematics-ebooks > > _______________________________________________ > webkit-dev mailing list > [email protected] > https://lists.webkit.org/mailman/listinfo/webkit-dev _______________________________________________ webkit-dev mailing list [email protected] https://lists.webkit.org/mailman/listinfo/webkit-dev
