Update upstream source from tag 'upstream/5.1.0'

Update to upstream version '5.1.0'
with Debian dir 93ca74b8b4602fce4c9c7740e0cfdde25f086673

1 files changed, 22 insertions, 0 deletions

diff --git a/app/cornu/spiro.h b/app/cornu/spiro.h
new file mode 100644
index 0000000..1bcca37
--- /dev/null
+++ b/app/cornu/spiro.h
@@ -0,0 +1,22 @@
+#ifndef _SPIRO_H
+#define _SPIRO_H
+#include "bezctx_intf.h"
+typedef struct {
+    double x;
+    double y;
+    char ty;
+} spiro_cp;
+
+typedef struct spiro_seg_s spiro_seg;
+
+spiro_seg *
+run_spiro(const spiro_cp *src, int n);
+
+void
+free_spiro(spiro_seg *s);
+
+void
+spiro_to_bpath(const spiro_seg *s, int n, bezctx *bc);
+
+double get_knot_th(const spiro_seg *s, int i);
+#endif