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[GPOS] Disable split-kerning 

Fixes https://github.com/harfbuzz/harfbuzz/issues/3408
Reverts https://github.com/harfbuzz/harfbuzz/pull/3235
Fixes https://github.com/harfbuzz/harfbuzz/pull/3235#issuecomment-1029814978
This commit is contained in:
Behdad Esfahbod 2022-02-04 18:59:50 -06:00
parent 9177953720
commit 88798ee8be
3 changed files with 11 additions and 3 deletions
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10
src/hb-ot-layout-gpos-table.hh
View File

@ -1586,7 +1586,15 @@ struct PairPosFormat2
/* Isolate simple kerning and apply it half to each side.
* Results in better cursor positinoing / underline drawing. */
* Results in better cursor positinoing / underline drawing.
*
* Disabled, because causes issues... :-(
* https://github.com/harfbuzz/harfbuzz/issues/3408
* https://github.com/harfbuzz/harfbuzz/pull/3235#issuecomment-1029814978
*/
#ifndef HB_SPLIT_KERN
if (0)
#endif
{
if (!len2)
{

2
test/shape/data/aots/tests/gpos2_2.tests
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@ -2,4 +2,4 @@
../fonts/gpos2_2_font2.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0013,U+0014,U+0011,U+0013,U+0012,U+0014,U+0011;[17|19@1300,0|20@3000,-100|17@4500,0|19@5800,0|18@7500,0|20@9000,-100|17@10500,0]
../fonts/gpos2_2_font3.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0011,U+0013,U+0014,U+0011,U+0013,U+0012,U+0014,U+0011;[17|19@1500,0|20@2800,-100|17@4300,0|19@5800,0|18@7100,0|20@8600,-100|17@10100,0]
../fonts/gpos2_2_font4.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0012,U+0012,U+0012,U+0012;[18@-100,0|18@1500,-100|18@2900,0|18@4500,-100]
#../fonts/gpos2_2_font5.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0012,U+0012,U+0012,U+0012;[18@-100,0|18@1400,0|18@2900,0|18@4500,0]
../fonts/gpos2_2_font5.otf;--features="test" --single-par --no-clusters --no-glyph-names --ned;U+0012,U+0012,U+0012,U+0012;[18@-100,0|18@1400,0|18@2900,0|18@4500,0]

2
test/shape/data/in-house/tests/positioning-features.tests
View File

@ -1,3 +1,3 @@
../fonts/53a91c20e33a596f2be17fb68b382d6b7eb85d5c.ttf;;U+0041,U+0056;[A=0+665|V=1@-40,0+635]
../fonts/53a91c20e33a596f2be17fb68b382d6b7eb85d5c.ttf;;U+0041,U+0056;[A=0+625|V=1+675]
../fonts/f79eb71df4e4c9c273b67b89a06e5ff9e3c1f834.ttf;;U+006D,U+0315;[m=0+945|uni0315=0@32,-178+0]
../fonts/ea3f63620511b2097200d23774ffef197e829e69.ttf;;U+0079,U+0325;[y=0+565|uni0325=0@-422,-240+0]