[kern/kerx] More towards sharing

src/hb-aat-layout-kerx-table.hh

@@ -59,6 +59,8 @@ kerxTupleKern (int value,
 
 struct KerxSubTableHeader
 {
+  typedef MorxTypes Types;
+
   enum Coverage
   {
     Vertical		= 0x80000000,	/* Set if table has vertical kerning values. */
@@ -134,13 +136,12 @@ struct KerxSubTableFormat0
   inline bool sanitize (hb_sanitize_context_t *c) const
   {
     TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this) &&
-			  pairs.sanitize (c)));
+    return_trace (likely (pairs.sanitize (c)));
   }
 
   protected:
   KernSubTableHeader	header;
-  BinSearchArrayOf<KernPair, HBUINT32>
+  BinSearchArrayOf<KernPair, typename KernSubTableHeader::Types::HBUINT>
 			pairs;	/* Sorted kern records. */
   public:
   DEFINE_SIZE_ARRAY (KernSubTableHeader::static_size + 16, pairs);

src/hb-ot-kern-table.hh

@@ -49,8 +49,7 @@ struct KernSubTableFormat0
   {
     hb_glyph_pair_t pair = {left, right};
     int i = pairs.bsearch (pair);
-    if (i == -1)
-      return 0;
+    if (i == -1) return 0;
     return pairs[i].get_kerning ();
   }
 
@@ -78,7 +77,8 @@ struct KernSubTableFormat0
 
   protected:
   KernSubTableHeader		header;
-  BinSearchArrayOf<KernPair>	pairs;	/* Array of kerning pairs. */
+  BinSearchArrayOf<KernPair, typename KernSubTableHeader::Types::HBUINT>
+				pairs;	/* Array of kerning pairs. */
   public:
   DEFINE_SIZE_ARRAY (KernSubTableHeader::static_size + 8, pairs);
 };
@@ -543,6 +543,8 @@ struct KernOT : KernTable<KernOT>
 
   struct SubTableHeader
   {
+    typedef AAT::MortTypes Types;
+
     enum Coverage
     {
       Direction		= 0x01u,
@@ -586,6 +588,8 @@ struct KernAAT : KernTable<KernAAT>
 
   struct SubTableHeader
   {
+    typedef AAT::MortTypes Types;
+
     enum Coverage
     {
       Direction		= 0x80u,