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[freetype2] master 44324b3: [autofit] Add blue-zone support for Tamil sc


From: Werner LEMBERG
Subject: [freetype2] master 44324b3: [autofit] Add blue-zone support for Tamil script.
Date: Thu, 25 Feb 2016 05:59:25 +0000

branch: master
commit 44324b3746461f186e6b3c0e744b0fd823705ba3
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>

    [autofit] Add blue-zone support for Tamil script.
    
    This essentially moves the Tamil script from the `Indic' hinter to
    the `Latin' hinter.
    
    * src/autofit/afblue.dat: Add blue zone data for Tamil.
    
    * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
    
    * src/autofit/afscript.h: Add Tamli standard character and move data
    out of AF_CONFIG_OPTION_INDIC block.
    
    * src/autofit/afranges.c: Move Tamil data out of
    AF_CONFIG_OPTION_INDIC block.
    
    * src/autofit/afstyles.h: Update Tamil data; in particular, use
    AF_WRITING_SYSTEM_LATIN.
---
 ChangeLog              |   20 ++++++++++++++++++++
 src/autofit/afblue.c   |    7 +++++++
 src/autofit/afblue.dat |   10 ++++++++++
 src/autofit/afblue.h   |   29 ++++++++++++++++-------------
 src/autofit/afranges.c |   30 +++++++++++++++---------------
 src/autofit/afscript.h |   13 +++++++------
 src/autofit/afstyles.h |    8 +++++++-
 7 files changed, 82 insertions(+), 35 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ba8d492..c58dc16 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,23 @@
+2016-02-25  Werner Lemberg  <address@hidden>
+
+       [autofit] Add blue-zone support for Tamil script.
+
+       This essentially moves the Tamil script from the `Indic' hinter to
+       the `Latin' hinter.
+
+       * src/autofit/afblue.dat: Add blue zone data for Tamil.
+
+       * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+       * src/autofit/afscript.h: Add Tamli standard character and move data
+       out of AF_CONFIG_OPTION_INDIC block.
+
+       * src/autofit/afranges.c: Move Tamil data out of
+       AF_CONFIG_OPTION_INDIC block.
+
+       * src/autofit/afstyles.h: Update Tamil data; in particular, use
+       AF_WRITING_SYSTEM_LATIN.
+
 2016-02-18  Werner Lemberg  <address@hidden>
 
        [autofit] Add blue-zone support for Malayalam script.
diff --git a/src/autofit/afblue.c b/src/autofit/afblue.c
index 2e2397e..8b2b050 100644
--- a/src/autofit/afblue.c
+++ b/src/autofit/afblue.c
@@ -140,6 +140,10 @@
     '\0',
     '\xE1', '\x80', '\x89', ' ', '\xE1', '\x80', '\x8A', ' ', '\xE1', '\x80', 
'\xA5', ' ', '\xE1', '\x80', '\xA9', ' ', '\xE1', '\x80', '\xA8', ' ', '\xE1', 
'\x81', '\x82', ' ', '\xE1', '\x81', '\x85', ' ', '\xE1', '\x81', '\x89',  /* ဉ 
ည ဥ ဩ ဨ ၂ ၅ ၉ */
     '\0',
+    '\xE0', '\xAE', '\x89', ' ', '\xE0', '\xAE', '\x92', ' ', '\xE0', '\xAE', 
'\x93', ' ', '\xE0', '\xAE', '\xB1', ' ', '\xE0', '\xAE', '\x88', ' ', '\xE0', 
'\xAE', '\x95', ' ', '\xE0', '\xAE', '\x99', ' ', '\xE0', '\xAE', '\x9A',  /* உ 
ஒ ஓ ற ஈ க ங ச */
+    '\0',
+    '\xE0', '\xAE', '\x95', ' ', '\xE0', '\xAE', '\x9A', ' ', '\xE0', '\xAE', 
'\xB2', ' ', '\xE0', '\xAE', '\xB6', ' ', '\xE0', '\xAE', '\x89', ' ', '\xE0', 
'\xAE', '\x99', ' ', '\xE0', '\xAE', '\x9F', ' ', '\xE0', '\xAE', '\xAA',  /* க 
ச ல ஶ உ ங ட ப */
+    '\0',
     '\xE0', '\xB0', '\x87', ' ', '\xE0', '\xB0', '\x8C', ' ', '\xE0', '\xB0', 
'\x99', ' ', '\xE0', '\xB0', '\x9E', ' ', '\xE0', '\xB0', '\xA3', ' ', '\xE0', 
'\xB0', '\xB1', ' ', '\xE0', '\xB1', '\xAF',  /* ఇ ఌ ఙ ఞ ణ ఱ ౯ */
     '\0',
     '\xE0', '\xB0', '\x85', ' ', '\xE0', '\xB0', '\x95', ' ', '\xE0', '\xB0', 
'\x9A', ' ', '\xE0', '\xB0', '\xB0', ' ', '\xE0', '\xB0', '\xBD', ' ', '\xE0', 
'\xB1', '\xA8', ' ', '\xE0', '\xB1', '\xAC',  /* అ క చ ర ఽ ౨ ౬ */
@@ -300,6 +304,9 @@
     { AF_BLUE_STRING_MYANMAR_ASCENDER,  AF_BLUE_PROPERTY_LATIN_TOP        },
     { AF_BLUE_STRING_MYANMAR_DESCENDER, 0                                 },
     { AF_BLUE_STRING_MAX,               0                                 },
+    { AF_BLUE_STRING_TAMIL_TOP,    AF_BLUE_PROPERTY_LATIN_TOP },
+    { AF_BLUE_STRING_TAMIL_BOTTOM, 0                          },
+    { AF_BLUE_STRING_MAX,          0                          },
     { AF_BLUE_STRING_TELUGU_TOP,    AF_BLUE_PROPERTY_LATIN_TOP },
     { AF_BLUE_STRING_TELUGU_BOTTOM, 0                          },
     { AF_BLUE_STRING_MAX,           0                          },
diff --git a/src/autofit/afblue.dat b/src/autofit/afblue.dat
index b122498..16117a0 100644
--- a/src/autofit/afblue.dat
+++ b/src/autofit/afblue.dat
@@ -214,6 +214,11 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY 
AF_BLUE_STRING_MAX_LEN:
   AF_BLUE_STRING_MYANMAR_DESCENDER
     "ဉ ည ဥ ဩ ဨ ၂ ၅ ၉"
 
+  AF_BLUE_STRING_TAMIL_TOP
+    "உ ஒ ஓ ற ஈ க ங ச"
+  AF_BLUE_STRING_TAMIL_BOTTOM
+    "க ச ல ஶ உ ங ட ப"
+
   AF_BLUE_STRING_TELUGU_TOP
     "ఇ ఌ ఙ ఞ ణ ఱ ౯"
   AF_BLUE_STRING_TELUGU_BOTTOM
@@ -522,6 +527,11 @@ AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY 
AF_BLUE_STRINGSET_MAX_LEN:
     { AF_BLUE_STRING_MYANMAR_DESCENDER, 0                                 }
     { AF_BLUE_STRING_MAX,               0                                 }
 
+  AF_BLUE_STRINGSET_TAML
+    { AF_BLUE_STRING_TAMIL_TOP,    AF_BLUE_PROPERTY_LATIN_TOP }
+    { AF_BLUE_STRING_TAMIL_BOTTOM, 0                          }
+    { AF_BLUE_STRING_MAX,          0                          }
+
   AF_BLUE_STRINGSET_TELU
     { AF_BLUE_STRING_TELUGU_TOP,    AF_BLUE_PROPERTY_LATIN_TOP }
     { AF_BLUE_STRING_TELUGU_BOTTOM, 0                          }
diff --git a/src/autofit/afblue.h b/src/autofit/afblue.h
index 6fe460d..58d8585 100644
--- a/src/autofit/afblue.h
+++ b/src/autofit/afblue.h
@@ -134,16 +134,18 @@ FT_BEGIN_HEADER
     AF_BLUE_STRING_MYANMAR_BOTTOM = 1316,
     AF_BLUE_STRING_MYANMAR_ASCENDER = 1348,
     AF_BLUE_STRING_MYANMAR_DESCENDER = 1376,
-    AF_BLUE_STRING_TELUGU_TOP = 1408,
-    AF_BLUE_STRING_TELUGU_BOTTOM = 1436,
-    AF_BLUE_STRING_THAI_TOP = 1464,
-    AF_BLUE_STRING_THAI_BOTTOM = 1488,
-    AF_BLUE_STRING_THAI_ASCENDER = 1516,
-    AF_BLUE_STRING_THAI_LARGE_ASCENDER = 1528,
-    AF_BLUE_STRING_THAI_DESCENDER = 1540,
-    AF_BLUE_STRING_THAI_LARGE_DESCENDER = 1556,
-    AF_BLUE_STRING_THAI_DIGIT_TOP = 1564,
-    af_blue_1_1 = 1575,
+    AF_BLUE_STRING_TAMIL_TOP = 1408,
+    AF_BLUE_STRING_TAMIL_BOTTOM = 1440,
+    AF_BLUE_STRING_TELUGU_TOP = 1472,
+    AF_BLUE_STRING_TELUGU_BOTTOM = 1500,
+    AF_BLUE_STRING_THAI_TOP = 1528,
+    AF_BLUE_STRING_THAI_BOTTOM = 1552,
+    AF_BLUE_STRING_THAI_ASCENDER = 1580,
+    AF_BLUE_STRING_THAI_LARGE_ASCENDER = 1592,
+    AF_BLUE_STRING_THAI_DESCENDER = 1604,
+    AF_BLUE_STRING_THAI_LARGE_DESCENDER = 1620,
+    AF_BLUE_STRING_THAI_DIGIT_TOP = 1628,
+    af_blue_1_1 = 1639,
 #ifdef AF_CONFIG_OPTION_CJK
     AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1,
     AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 203,
@@ -217,9 +219,10 @@ FT_BEGIN_HEADER
     AF_BLUE_STRINGSET_LATP = 64,
     AF_BLUE_STRINGSET_MLYM = 71,
     AF_BLUE_STRINGSET_MYMR = 74,
-    AF_BLUE_STRINGSET_TELU = 79,
-    AF_BLUE_STRINGSET_THAI = 82,
-    af_blue_2_1 = 90,
+    AF_BLUE_STRINGSET_TAML = 79,
+    AF_BLUE_STRINGSET_TELU = 82,
+    AF_BLUE_STRINGSET_THAI = 85,
+    af_blue_2_1 = 93,
 #ifdef AF_CONFIG_OPTION_CJK
     AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0,
     af_blue_2_1_1 = af_blue_2_1 + 2,
diff --git a/src/autofit/afranges.c b/src/autofit/afranges.c
index a3fbb5a..d78acdc 100644
--- a/src/autofit/afranges.c
+++ b/src/autofit/afranges.c
@@ -406,6 +406,21 @@
   };
 
 
+  const AF_Script_UniRangeRec  af_taml_uniranges[] =
+  {
+    AF_UNIRANGE_REC(  0x0B80UL,  0x0BFFUL ),  /* Tamil */
+    AF_UNIRANGE_REC(       0UL,       0UL )
+  };
+
+  const AF_Script_UniRangeRec  af_taml_nonbase_uniranges[] =
+  {
+    AF_UNIRANGE_REC(  0x0B82UL,  0x0B82UL ),
+    AF_UNIRANGE_REC(  0x0BC0UL,  0x0BC2UL ),
+    AF_UNIRANGE_REC(  0x0BCDUL,  0x0BCDUL ),
+    AF_UNIRANGE_REC(       0UL,       0UL )
+  };
+
+
   const AF_Script_UniRangeRec  af_telu_uniranges[] =
   {
     AF_UNIRANGE_REC(  0x0C00UL,  0x0C7FUL ),  /* Telugu */
@@ -551,21 +566,6 @@
   };
 
 
-  const AF_Script_UniRangeRec  af_taml_uniranges[] =
-  {
-    AF_UNIRANGE_REC(  0x0B80UL,  0x0BFFUL ),  /* Tamil */
-    AF_UNIRANGE_REC(       0UL,       0UL )
-  };
-
-  const AF_Script_UniRangeRec  af_taml_nonbase_uniranges[] =
-  {
-    AF_UNIRANGE_REC(  0x0B82UL,  0x0B82UL ),
-    AF_UNIRANGE_REC(  0x0BC0UL,  0x0BC2UL ),
-    AF_UNIRANGE_REC(  0x0BCDUL,  0x0BCDUL ),
-    AF_UNIRANGE_REC(       0UL,       0UL )
-  };
-
-
   const AF_Script_UniRangeRec  af_tibt_uniranges[] =
   {
     AF_UNIRANGE_REC(  0x0F00UL,  0x0FFFUL ),  /* Tibetan */
diff --git a/src/autofit/afscript.h b/src/autofit/afscript.h
index aad1d22..a7f60b8 100644
--- a/src/autofit/afscript.h
+++ b/src/autofit/afscript.h
@@ -129,6 +129,13 @@
           HINTING_BOTTOM_TO_TOP,
           "" )
 
+  /* only digit zero has a simple (round) shape in the Tamil script */
+  SCRIPT( taml, TAML,
+          "Tamil",
+          HB_SCRIPT_TAMIL,
+          HINTING_BOTTOM_TO_TOP,
+          "\xE0\xAF\xA6" ) /* ௦ */
+
   /* there are no simple forms for letters; we thus use two digit shapes */
   SCRIPT( telu, TELU,
           "Telugu",
@@ -186,12 +193,6 @@
           HINTING_BOTTOM_TO_TOP,
           "o" ) /* XXX */
 
-  SCRIPT( taml, TAML,
-          "Tamil",
-          HB_SCRIPT_TAMIL,
-          HINTING_BOTTOM_TO_TOP,
-          "o" ) /* XXX */
-
   SCRIPT( tibt, TIBT,
           "Tibetan",
           HB_SCRIPT_TIBETAN,
diff --git a/src/autofit/afstyles.h b/src/autofit/afstyles.h
index 32e0c1f..c2df7ce 100644
--- a/src/autofit/afstyles.h
+++ b/src/autofit/afstyles.h
@@ -189,6 +189,13 @@
          (AF_Blue_Stringset)0,
          AF_COVERAGE_DEFAULT )
 
+  STYLE( taml_dflt, TAML_DFLT,
+         "Tamil default style",
+         AF_WRITING_SYSTEM_LATIN,
+         AF_SCRIPT_TAML,
+         AF_BLUE_STRINGSET_TAML,
+         AF_COVERAGE_DEFAULT )
+
   STYLE( telu_dflt, TELU_DFLT,
          "Telugu default style",
          AF_WRITING_SYSTEM_LATIN,
@@ -222,7 +229,6 @@
   STYLE_DEFAULT_INDIC( sinh, SINH, "Sinhala" )
   STYLE_DEFAULT_INDIC( sund, SUND, "Sundanese" )
   STYLE_DEFAULT_INDIC( sylo, SYLO, "Syloti Nagri" )
-  STYLE_DEFAULT_INDIC( taml, TAML, "Tamil" )
   STYLE_DEFAULT_INDIC( tibt, TIBT, "Tibetan" )
 
 #endif /* AF_CONFIG_OPTION_INDIC */



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