The Racket repository
69984fb231
* Fix a clipped-rendering problem for text in Cairo. * Fix Pango's CoreText back-end to support non-BMP characters. Note that Emoji characters still do not render. Cairo uses CGContextShowGlyphsWithAdvances() to draw glyphs, but it would need to use CTFontDrawGlyphs() to make Emoji work. (Mozilla has a patch to do that for some older version of Cairo, so look there if it seems worth doing one day.) * Disable Pango's CoreText font fallbacks in favor of the Racket-implemented fallback. This is not obviously a good idea, but it restore the `racket/draw` hack of prefering "Arial Unicode MS". Otherwise, various symbol glyphs are chosen badly, such as #\u273A, at least on my machine. * Drop the clusters argument to `pango_cairo_show_glyph_string`, which turns out to be unnecessary. |
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This is the source code for the main Racket distribution. See "INSTALL.txt" for information on building Racket. License ------- Racket Copyright (c) 2010-2014 PLT Design Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See racket/src/COPYING_LESSER.txt for more information.