HMH 466e5cab21 Speedup font loading with fontconfig and freetype. ... - If possible use fontconfig to obtain character coverage instead of going through all glyphs using freetype. - `FT_Get_First_Char` typically returns ranges of continuous glyphs itself and it is far cheaper (I measured a speedup of about 7 times while catting a large file with lots of funny unicode) to add a range to the glyph coverage instead of adding each glyph individually. - Permit adding a range to a RangeSet without performing checks to speed up things even further.		2021-09-06 10:53:01 -07:00
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lib.rs	Speedup font loading with fontconfig and freetype.	2021-09-06 10:53:01 -07:00