Port decompositions from Indic to USE shaper

Part of harfbuzz#382
iongchun · Dec 28, 2016 · f6ba63b · f6ba63b
1 parent e678b53
commit f6ba63b
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Showing 2 changed files with 22 additions and 16 deletions.
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
@@ -1732,29 +1732,13 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
     case 0x17C4u  : *a = 0x17C1u; *b= 0x17C4u; return true;
     case 0x17C5u  : *a = 0x17C1u; *b= 0x17C5u; return true;
 
-    /* Limbu */
-    case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
-    case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
-
-    /* Balinese */
-    case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
-
 #if 0
     /* Gujarati */
     /* This one has no decomposition in Unicode, but needs no decomposition either. */
     /* case 0x0AC9u  : return false; */
 
     /* Oriya */
     case 0x0B57u  : *a = no decomp, -> RIGHT; return true;
-
-    /* Lepcha */
-    case 0x1C29u  : *a = no decomp, -> LEFT; return true;
-
-    /* Javanese */
-    case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
-
-    /* Sharada */
-    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
 #endif
   }
 

diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
@@ -572,6 +572,28 @@ decompose_use (const hb_ot_shape_normalize_context_t *c,
      */
     case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
     case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
+
+    /*
+     * Decompose split matras that don't have Unicode decompositions.
+     */
+
+    /* Limbu */
+    case 0x1925u  : *a = 0x1920u; *b= 0x1923u; return true;
+    case 0x1926u  : *a = 0x1920u; *b= 0x1924u; return true;
+
+    /* Balinese */
+    case 0x1B3Cu  : *a = 0x1B42u; *b= 0x1B3Cu; return true;
+
+#if 0
+    /* Lepcha */
+    case 0x1C29u  : *a = no decomp, -> LEFT; return true;
+
+    /* Javanese */
+    case 0xA9C0u  : *a = no decomp, -> RIGHT; return true;
+
+    /* Sharada */
+    case 0x111BFu  : *a = no decomp, -> ABOVE; return true;
+#endif
   }
 
   return (bool) c->unicode->decompose (ab, a, b);