From 2cbe1323298205f6023800d879d323e212b58db2 Mon Sep 17 00:00:00 2001 From: Frank Sauerburger Date: Wed, 7 Jul 2021 23:58:00 +0200 Subject: [PATCH] Fix TTF headers for type 42 stix font --- extern/ttconv/pprdrv_tt.cpp | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/extern/ttconv/pprdrv_tt.cpp b/extern/ttconv/pprdrv_tt.cpp index 9786307867f6..87aab54e2ecf 100644 --- a/extern/ttconv/pprdrv_tt.cpp +++ b/extern/ttconv/pprdrv_tt.cpp @@ -800,16 +800,23 @@ void ttfont_sfnts(TTStreamWriter& stream, struct TTFONT *font) /* Now, generate those silly numTables numbers. */ sfnts_pputUSHORT(stream, count); /* number of tables */ - if ( count == 9 ) - { - sfnts_pputUSHORT(stream, 7); /* searchRange */ - sfnts_pputUSHORT(stream, 3); /* entrySelector */ - sfnts_pputUSHORT(stream, 81); /* rangeShift */ - } - else - { - debug("only %d tables selected",count); + + int search_range = 1; + int entry_sel = 0; + + while (search_range <= count) { + search_range <<= 1; + entry_sel++; } + entry_sel = entry_sel > 0 ? entry_sel - 1 : 0; + search_range = (search_range >> 1) * 16; + int range_shift = count * 16 - search_range; + + sfnts_pputUSHORT(stream, search_range); /* searchRange */ + sfnts_pputUSHORT(stream, entry_sel); /* entrySelector */ + sfnts_pputUSHORT(stream, range_shift); /* rangeShift */ + + debug("only %d tables selected",count); /* Now, emmit the table directory. */ for (x=0; x < 9; x++) pFad - Phonifier reborn

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