Repo created

libs/geometry/clipping.hpp

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+#pragma once
+
+#include "geometry/point2d.hpp"
+#include "geometry/rect2d.hpp"
+#include "geometry/spline.hpp"
+
+#include <functional>
+#include <vector>
+
+namespace m2
+{
+using ClipTriangleByRectResultIt = std::function<void(m2::PointD const &, m2::PointD const &, m2::PointD const &)>;
+
+void ClipTriangleByRect(m2::RectD const & rect, m2::PointD const & p1, m2::PointD const & p2, m2::PointD const & p3,
+                        ClipTriangleByRectResultIt const & resultIterator);
+
+void ClipPathByRect(m2::RectD const & rect, std::vector<m2::PointD> && path,
+                    std::function<void(m2::SharedSpline &&)> const & fn);
+std::vector<m2::SharedSpline> ClipSplineByRect(m2::RectD const & rect, m2::SharedSpline const & spline);
+
+using GuidePointsForSmooth = std::vector<std::pair<m2::PointD, m2::PointD>>;
+void ClipPathByRectBeforeSmooth(m2::RectD const & rect, std::vector<m2::PointD> const & path,
+                                GuidePointsForSmooth & guidePoints,
+                                std::vector<std::vector<m2::PointD>> & clippedPaths);
+}  // namespace m2