mirror of https://github.com/axmolengine/axmol.git
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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/*******************************************************************************
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* Author : Angus Johnson *
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* Date : 26 October 2022 *
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* Website : http://www.angusj.com *
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* Copyright : Angus Johnson 2010-2022 *
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* Purpose : FAST rectangular clipping *
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* License : http://www.boost.org/LICENSE_1_0.txt *
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*******************************************************************************/
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#ifndef CLIPPER_RECTCLIP_H
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#define CLIPPER_RECTCLIP_H
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#include <cstdlib>
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#include <vector>
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#include "clipper.h"
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#include "clipper.core.h"
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namespace Clipper2Lib
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{
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enum class Location { Left, Top, Right, Bottom, Inside };
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class RectClip {
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protected:
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const Rect64 rect_;
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const Point64 mp_;
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const Path64 rectPath_;
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Path64 result_;
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std::vector<Location> start_locs_;
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void GetNextLocation(const Path64& path,
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Location& loc, int& i, int highI);
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void AddCorner(Location prev, Location curr);
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void AddCorner(Location& loc, bool isClockwise);
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public:
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RectClip(const Rect64& rect) :
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rect_(rect),
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mp_(rect.MidPoint()),
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rectPath_(rect.AsPath()) {}
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Path64 Execute(const Path64& path);
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};
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class RectClipLines : public RectClip {
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public:
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RectClipLines(const Rect64& rect) : RectClip(rect) {};
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Paths64 Execute(const Path64& path);
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};
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} // Clipper2Lib namespace
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#endif // CLIPPER_RECTCLIP_H
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