1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/graphite2/geckoextra/include/GraphiteExtra.h b/gfx/graphite2/geckoextra/include/GraphiteExtra.h
new file mode 100644
index 0000000000..9352e70991
--- /dev/null
+++ b/gfx/graphite2/geckoextra/include/GraphiteExtra.h
@@ -0,0 +1,42 @@
+// -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+// vim: set ts=2 et sw=2 tw=80:
+// This Source Code is subject to the terms of the Mozilla Public License
+// version 2.0 (the "License"). You can obtain a copy of the License at
+// http://mozilla.org/MPL/2.0/.
+
+#ifndef GraphiteExtra_h__
+#define GraphiteExtra_h__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "graphite2/Segment.h"
+
+typedef struct {
+  uint32_t baseChar;  // in UTF16 code units, not Unicode character indices
+  uint32_t baseGlyph;
+  uint32_t nChars;  // UTF16 code units
+  uint32_t nGlyphs;
+} gr_glyph_to_char_cluster;
+
+typedef struct {
+  gr_glyph_to_char_cluster* clusters;
+  uint16_t* gids;
+  float* xLocs;
+  float* yLocs;
+  uint32_t cIndex;
+} gr_glyph_to_char_association;
+
+gr_glyph_to_char_association* gr_get_glyph_to_char_association(
+    gr_segment* aSegment, uint32_t aLength, const char16_t* aText);
+
+void gr_free_char_association(gr_glyph_to_char_association* aData);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+\ No newline at end of file