1 files changed, 83 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-outline.hh b/gfx/harfbuzz/src/hb-outline.hh
new file mode 100644
index 0000000000..c43c06596b
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-outline.hh
@@ -0,0 +1,83 @@
+/*
+ * 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_OUTLINE_HH
+#define HB_OUTLINE_HH
+
+#include "hb.hh"
+
+#include "hb-draw.hh"
+
+
+struct hb_outline_point_t
+{
+  enum class type_t
+  {
+    MOVE_TO,
+    LINE_TO,
+    QUADRATIC_TO,
+    CUBIC_TO,
+  };
+
+  hb_outline_point_t (float x, float y, type_t type) :
+    x (x), y (y), type (type) {}
+
+  float x, y;
+  type_t type;
+};
+
+struct hb_outline_vector_t
+{
+  float normalize_len ()
+  {
+    float len = hypotf (x, y);
+    if (len)
+    {
+      x /= len;
+      y /= len;
+    }
+    return len;
+  }
+
+  float x, y;
+};
+
+struct hb_outline_t
+{
+  void reset () { points.shrink (0, false); contours.resize (0); }
+
+  HB_INTERNAL void replay (hb_draw_funcs_t *pen, void *pen_data) const;
+  HB_INTERNAL float control_area () const;
+  HB_INTERNAL void embolden (float x_strength, float y_strength,
+			     float x_shift, float y_shift);
+
+  hb_vector_t<hb_outline_point_t> points;
+  hb_vector_t<unsigned> contours;
+};
+
+HB_INTERNAL hb_draw_funcs_t *
+hb_outline_recording_pen_get_funcs ();
+
+
+#endif /* HB_OUTLINE_HH */