1 files changed, 20 insertions, 0 deletions
diff --git a/src/path/splinefit/bezier-fit.h b/src/path/splinefit/bezier-fit.h
new file mode 100644
index 0000000..7eb0440
--- /dev/null
+++ b/src/path/splinefit/bezier-fit.h
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <vector>
+#include "2geom/point.h"
+
+struct InputPoint : Geom::Point {
+    InputPoint() {}
+    InputPoint(const Geom::Point& pt) : Point(pt) {}
+    InputPoint(const Geom::Point& pt, double t) : Point(pt), t(t) {}
+    InputPoint(const Geom::Point& pt, const Geom::Point& front, const Geom::Point& back, double t)
+     : Point(pt), front(front), back(back), t(t), have_slope(true) {}
+
+    Geom::Point front;
+    Geom::Point back;
+    double t = 0;
+    bool have_slope = false;
+};
+
+// Fit cubic Bezier to input points; use slope of the first and last points to find a fit
+int bezier_fit(Geom::Point bezier[4], const std::vector<InputPoint>& data);