From 71c0a1429db7c7e7e32507be248c9457e1cbfc7d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 2 Oct 2017 18:56:10 +0200
Subject: [PATCH] [indic] Fix shaping of U+0A51

Mark it as matra below to allow the sequence U+0A15, U+0A51, U+0A47.
Oh well...

Fixes https://github.com/behdad/harfbuzz/issues/524
---
 src/hb-ot-shape-complex-indic.cc                 |   6 ++++++
 .../85fe0be440c64ac77699e21c2f1bd933a919167e.ttf | Bin 0 -> 1224 bytes
 test/shaping/tests/indic-syllable.tests          |   1 +
 3 files changed, 7 insertions(+)
 create mode 100644 test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index c8640cc56..d16816016 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -208,6 +208,12 @@ set_indic_properties (hb_glyph_info_t &info)
     cat = OT_M;
     pos = POS_ABOVE_C;
   }
+  else if (unlikely (u == 0x0A51u))
+  {
+    /* https://github.com/behdad/harfbuzz/issues/524 */
+    cat = OT_M;
+    pos = POS_BELOW_C;
+  }
 
   /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
    * so the Indic shaper needs to know their categories. */
diff --git a/test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf b/test/shaping/fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..6198614b43d9845feb4884dfb90c01a17647bcf5
GIT binary patch
literal 1224
zcmZ8gZ)jUp6#w1(Zu0W4>CDn}lqyNvrD8j#$(q5OxR&W-qIR=%ADp<orb(;KTS}X{
z3`Azd`auxc2SKLz!4`yx4B13kQCBFaU~#Jx9Ee4~RJJdQMclF%e>Z6u?mq6l=XdTo
zzjMw#_dx&%;}i@Wv-UssINn1)V0=yO9_!%X&|>If4{?R~V{2%5;9BD6RX}}293LFo
znVS8)v=xx2h>v9*dopk&dX9LFc<-1!JqeQ^jPt~yvBJsxmJiM(Dc|6%jOXl8U*^i+
zw2u;J#;IuTGq)2zN8B~;l*+z|+piHnNgOT|vo@A7O6(&JICgmw_lhlmSSOAjx1F5&
zr)ekSwG$tlEKZmHdb8(Q;sUV+qxvV{@u{1LqZd1XL^9d!^>%h7`*vm0saR{KZ&!Ds
zFVWH&i?u|}Sfo`Xlbs#jmS`-U$_QiK|3G5+_qi{wuAO`1$HQ&W%7~|R)!Q_@=c%Z>
z^u&e2^z6$M<wenaV&$;oe7W%9rK8#B=Z<7gpKd>S|4;K-cl|Tjlgk%J?P9@r7_xF%
zU9TQ6dl5ntYhb9(4zrtyVC!!8>_bZn+e1EoB=Lu6e^jXJKU@`Or2CuuOEaW9e|r|J
z1px#BGZssyQ@hO$7~S8bmges<{gE|yeLy_2dPTf1d?NHB>1nO-4tyvxo<?_u+Qb&`
z_7$r2sW3lT`Sz`aqs@Ca5Y*QVtOP3G>3!AvdimCJ<yxqpxdVPkttI{UxTOBocU-yb
z&Qn1iv$wJc1b@A??9PSy?~2RDK&i9hZFtz1cRgwPd{y7&Eb{VIb~@;h%A=%IjVL;j
z9@gNXg?)jRz@d5!v)9;9b*(aWlRXCF<kuRbrVX+F2Z??Bm@z%Az@cjOj<j)O<Ko7r
zbq3n$A#tDfR(@)`i0iWCAJc`WQACL|jv?4Mj%i93W-tYZ>jcK}0-iw*V?+g7Of@Q~
z=8><l-@Pa%D}^DHcfuZ<nVJdaa*kb^s>%MDQQIzQt@e_-2Ik(VY+H>=Y}RT}AK;9l
zjrrH>m&CeHJBXV&`EI!C7nH<4ND`+IuF;2iPaI^|_5#u#dC5U|q;SF^W8F)yJb@RP
znzdj)g70d8Yor!apK5+DMD+l>A!sL58zs%&u#ZsM#=C4}uJ=u^%@;&3L;v0NT-(Y0
J|6F;b$A2+S<P-n^

literal 0
HcmV?d00001

diff --git a/test/shaping/tests/indic-syllable.tests b/test/shaping/tests/indic-syllable.tests
index df3d7d825..5b0ae90aa 100644
--- a/test/shaping/tests/indic-syllable.tests
+++ b/test/shaping/tests/indic-syllable.tests
@@ -2,3 +2,4 @@ fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
 fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
+fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]