update

src/libslic3r/CurveAnalyzer.hpp

@@ -0,0 +1,27 @@
+#ifndef slic3r_CurvaAnalyzer_hpp_
+#define slic3r_CurvaAnalyzer_hpp_
+
+#include "ExtrusionEntityCollection.hpp"
+
+namespace Slic3r {
+
+enum class ECurveAnalyseMode : unsigned char
+{
+    RelativeMode,
+    AbsoluteMode,
+    Count
+};
+
+//QDS: CurvaAnalyzer, ansolutely new file
+class CurveAnalyzer {
+public:
+    // This function is used to calculate curvature for paths.
+    // Paths must be generated from a closed polygon.
+    // Data in paths may be modify, and paths will be spilited and regenerated
+    // arrording to different curve degree.
+    void calculate_curvatures(ExtrusionPaths& paths, ECurveAnalyseMode mode = ECurveAnalyseMode::RelativeMode);
+};
+
+}
+
+#endif