1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-wasm-api-shape.hh b/gfx/harfbuzz/src/hb-wasm-api-shape.hh
new file mode 100644
index 0000000000..622ff052b2
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-wasm-api-shape.hh
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2023  Behdad Esfahbod
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HB_WASM_API_SHAPE_HH
+#define HB_WASM_API_SHAPE_HH
+
+#include "hb-wasm-api.hh"
+
+namespace hb {
+namespace wasm {
+
+
+static_assert (sizeof (feature_t) == sizeof (hb_feature_t), "");
+
+HB_WASM_INTERFACE (bool_t, shape_with) (HB_WASM_EXEC_ENV
+				        ptr_d(font_t, font),
+				        ptr_d(buffer_t, buffer),
+				        ptr_d(const feature_t, features),
+				        uint32_t num_features,
+					const char *shaper)
+{
+  if (unlikely (0 == strcmp (shaper, "wasm")))
+    return false;
+
+  HB_REF2OBJ (font);
+  HB_REF2OBJ (buffer);
+
+  /* Pre-conditions that make hb_shape_full() crash should be checked here. */
+
+  if (unlikely (!buffer->ensure_unicode ()))
+    return false;
+
+  if (unlikely (!HB_DIRECTION_IS_VALID (buffer->props.direction)))
+    return false;
+
+  HB_ARRAY_PARAM (const feature_t, features, num_features);
+  if (unlikely (!features && num_features))
+    return false;
+
+  const char * shaper_list[] = {shaper, nullptr};
+  return hb_shape_full (font, buffer,
+			(hb_feature_t *) features, num_features,
+			shaper_list);
+}
+
+
+}}
+
+#endif /* HB_WASM_API_SHAPE_HH */