[aat] Rename

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

@@ -242,7 +242,7 @@ struct KerxTable
     Vertical		= 0x80000000,	/* Set if table has vertical kerning values. */
     CrossStream		= 0x40000000,	/* Set if table has cross-stream kerning values. */
     Variation		= 0x20000000,	/* Set if table has variation kerning values. */
-    ProcessDirection	= 0x10000000,	/* If clear, process the glyphs forwards, that
+    Backwards		= 0x10000000,	/* If clear, process the glyphs forwards, that
 					 * is, from first to last in the glyph stream.
 					 * If we, process them from last to first.
 					 * This flag only applies to state-table based
@@ -319,7 +319,7 @@ struct kerx
       if (table->coverage & KerxTable::CrossStream)
         goto skip; /* We do NOT handle cross-stream kerning. */
 
-      reverse = bool (table->coverage & KerxTable::ProcessDirection) !=
+      reverse = bool (table->coverage & KerxTable::Backwards) !=
 		HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
 
       if (!c->buffer->message (c->font, "start kerx subtable %d", c->lookup_index))

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

@@ -752,7 +752,7 @@ struct ChainSubtable
     Vertical		= 0x80000000,	/* If set, this subtable will only be applied
 					 * to vertical text. If clear, this subtable
 					 * will only be applied to horizontal text. */
-    Descending		= 0x40000000,	/* If set, this subtable will process glyphs
+    Backwards		= 0x40000000,	/* If set, this subtable will process glyphs
 					 * in descending order. If clear, it will
 					 * process the glyphs in ascending order. */
     AllDirections	= 0x20000000,	/* If set, this subtable will be applied to
@@ -876,8 +876,8 @@ struct Chain
 				may be right-to-left or left-to-right).
        */
       reverse = subtable->coverage & ChainSubtable::Logical ?
-		bool (subtable->coverage & ChainSubtable::Descending) :
-		bool (subtable->coverage & ChainSubtable::Descending) !=
+		bool (subtable->coverage & ChainSubtable::Backwards) :
+		bool (subtable->coverage & ChainSubtable::Backwards) !=
 		HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
 
       if (!c->buffer->message (c->font, "start chain subtable %d", c->lookup_index))