From 2b5090e54b291df69b4b1537de954e44962ffc36 Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Thu, 5 Feb 2015 09:25:40 +0100
Subject: [PATCH] Synchronize with FreeType [4/4].

This corresponds to commit 19146a5302a47ee8430a00bfa8c2acaf9539d6a2,
`[autofit] Add support for Thai script.'.
---
 lib/tablue.dat            | 27 ++++++++++++++++++++++++++-
 lib/taranges.c            |  6 ++++++
 lib/tastyles.h            |  7 +++++++
 lib/ttfautohint-scripts.h |  5 +++++
 4 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/lib/tablue.dat b/lib/tablue.dat
index 84e16e1..415d5d6 100644
--- a/lib/tablue.dat
+++ b/lib/tablue.dat
@@ -126,10 +126,24 @@ TA_BLUE_STRING_ENUM TA_BLUE_STRINGS_ARRAY TA_BLUE_STRING_MAX_LEN:
   // this is just for convenience to simplify reading
   TA_BLUE_STRING_TELUGU_TOP
     "ఇ ఌ ఙ ఞ ణ ఱ ౯"
-
   TA_BLUE_STRING_TELUGU_BOTTOM
     "అ క చ ర ఽ ౨ ౬"
 
+  TA_BLUE_STRING_THAI_TOP
+    "บ เ แ อ ก า"
+  TA_BLUE_STRING_THAI_BOTTOM
+    "บ ป ษ ฯ อ ย ฮ"
+  TA_BLUE_STRING_THAI_ASCENDER
+    "ป ฝ ฟ"
+  TA_BLUE_STRING_THAI_LARGE_ASCENDER
+    "โ ใ ไ"
+  TA_BLUE_STRING_THAI_DESCENDER
+    "ฎ ฏ ฤ ฦ"
+  TA_BLUE_STRING_THAI_LARGE_DESCENDER
+    "ญ ฐ"
+  TA_BLUE_STRING_THAI_DIGIT_TOP
+    "๐ ๑ ๓"
+
 // The blue zone stringsets, as used in the script styles, cf. `tastyles.h'.
 //
 // The TA_BLUE_PROPERTY_XXX flags are defined in `tablue.h'; here some
@@ -248,4 +262,15 @@ TA_BLUE_STRINGSET_ENUM TA_BLUE_STRINGSETS_ARRAY TA_BLUE_STRINGSET_MAX_LEN:
     { TA_BLUE_STRING_TELUGU_BOTTOM, 0                          }
     { TA_BLUE_STRING_MAX,           0                          }
 
+  TA_BLUE_STRINGSET_THAI
+    { TA_BLUE_STRING_THAI_TOP,             TA_BLUE_PROPERTY_LATIN_TOP      |
+                                           TA_BLUE_PROPERTY_LATIN_X_HEIGHT   }
+    { TA_BLUE_STRING_THAI_BOTTOM,          0                                 }
+    { TA_BLUE_STRING_THAI_ASCENDER,        TA_BLUE_PROPERTY_LATIN_TOP        }
+    { TA_BLUE_STRING_THAI_LARGE_ASCENDER,  TA_BLUE_PROPERTY_LATIN_TOP        }
+    { TA_BLUE_STRING_THAI_DESCENDER,       0                                 }
+    { TA_BLUE_STRING_THAI_LARGE_DESCENDER, 0                                 }
+    { TA_BLUE_STRING_THAI_DIGIT_TOP,       0                                 }
+    { TA_BLUE_STRING_MAX,                  0                                 }
+
 // END
diff --git a/lib/taranges.c b/lib/taranges.c
index 9eaf719..bb505f6 100644
--- a/lib/taranges.c
+++ b/lib/taranges.c
@@ -94,6 +94,12 @@ const TA_Script_UniRangeRec ta_telu_uniranges[] =
   TA_UNIRANGE_REC(     0UL,      0UL)
 };
 
+const TA_Script_UniRangeRec ta_thai_uniranges[] =
+{
+  TA_UNIRANGE_REC(0x0E00UL, 0x0E7FUL), /* Thai */
+  TA_UNIRANGE_REC(     0UL,      0UL)
+};
+
 const TA_Script_UniRangeRec ta_none_uniranges[] =
 {
   TA_UNIRANGE_REC(0UL, 0UL)
diff --git a/lib/tastyles.h b/lib/tastyles.h
index ce2028b..3670092 100644
--- a/lib/tastyles.h
+++ b/lib/tastyles.h
@@ -120,6 +120,13 @@ STYLE(telu_dflt, TELU_DFLT,
       TA_BLUE_STRINGSET_TELU,
       TA_COVERAGE_DEFAULT)
 
+STYLE(thai_dflt, THAI_DFLT,
+      "Thai default style",
+      TA_WRITING_SYSTEM_LATIN,
+      TA_SCRIPT_THAI,
+      TA_BLUE_STRINGSET_THAI,
+      TA_COVERAGE_DEFAULT)
+
 STYLE(none_dflt, NONE_DFLT,
       "no style",
       TA_WRITING_SYSTEM_DUMMY,
diff --git a/lib/ttfautohint-scripts.h b/lib/ttfautohint-scripts.h
index 95bb052..e055855 100644
--- a/lib/ttfautohint-scripts.h
+++ b/lib/ttfautohint-scripts.h
@@ -58,6 +58,11 @@ SCRIPT(telu, TELU,
        HB_SCRIPT_TELUGU,
        0xC19, 0xC12, 0x0) /* ఙ ఒ */
 
+SCRIPT(thai, THAI,
+       "Thai",
+       HB_SCRIPT_THAI,
+       0xE32, 0xE45, 0xE50) /* า ๅ ๐ */
+
 SCRIPT(none, NONE,
        "no script",
        HB_SCRIPT_INVALID,
-- 
2.11.4.GIT