Add the full source of BambuStudio

using version 1.0.10

src/libslic3r/MinAreaBoundingBox.hpp

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+#ifndef MINAREABOUNDINGBOX_HPP
+#define MINAREABOUNDINGBOX_HPP
+
+#include "libslic3r/Point.hpp"
+
+namespace Slic3r {
+
+class Polygon;
+class ExPolygon;
+
+void remove_collinear_points(Polygon& p);
+void remove_collinear_points(ExPolygon& p);
+
+/// A class that holds a rotated bounding box. If instantiated with a polygon
+/// type it will hold the minimum area bounding box for the given polygon.
+/// If the input polygon is convex, the complexity is linear to the number of 
+/// points. Otherwise a convex hull of O(n*log(n)) has to be performed.
+class MinAreaBoundigBox {
+    Point m_axis;    
+    long double m_bottom = 0.0l, m_right = 0.0l;
+public:
+    
+    // Polygons can be convex or simple (convex or concave with possible holes)
+    enum PolygonLevel {
+        pcConvex, pcSimple
+    };
+   
+    // Constructors with various types of geometry data used in Slic3r.
+    // If the convexity is known apriory, pcConvex can be used to skip
+    // convex hull calculation.
+    explicit MinAreaBoundigBox(const Polygon&, PolygonLevel = pcSimple);
+    explicit MinAreaBoundigBox(const ExPolygon&, PolygonLevel = pcSimple);
+    explicit MinAreaBoundigBox(const Points&, PolygonLevel = pcSimple);
+    
+    // Returns the angle in radians needed for the box to be aligned with the 
+    // X axis. Rotate the polygon by this angle and it will be aligned.
+    double angle_to_X()  const;
+    
+    // The box width
+    long double width()  const;
+    
+    // The box height
+    long double height() const;
+    
+    // The box area
+    long double area()   const;
+    
+    // The axis of the rotated box. If the angle_to_X is not sufficiently 
+    // precise, use this unnormalized direction vector.
+    const Point& axis()  const { return m_axis; }
+};
+
+}
+
+#endif // MINAREABOUNDINGBOX_HPP