Add hb_buffer_normalize_glyphs() and hb-shape --normalize-glyphs
This reorders glyphs within the cluster to a nominal order. This should
have no visible effect on the output, but helps with testing, for
getting the same hb-shape output for visually-equal glyphs for each
cluster.
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 73adc2e..d67cfd6 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -193,6 +193,19 @@
unsigned int *length);
+/* Reorders a glyph buffer to have canonical in-cluster glyph order / position.
+ * The resulting clusters should behave identical to pre-reordering clusters.
+ * NOTE: This has nothing to do with Unicode normalization. */
+void
+hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
+
+/*
+ * NOT IMPLEMENTED
+void
+hb_buffer_normalize_characters (hb_buffer_t *buffer);
+*/
+
+
HB_END_DECLS
#endif /* HB_BUFFER_H */
