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80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
1 month ago
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#pragma once
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//#include "clipper2\clipper.engine.h"
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//#include "clipper2\clipper.core.h"
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#include "clipper2\clipper.h"
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//#include "clipper2\clipper.rectclip.h"
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//#include "clipper2\clipper.rectclip.h"
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//#include "clipper2\RectClipLines.h"
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using namespace std;
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using namespace Clipper2Lib;
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class AFX_EXT_CLASS Envelope {
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public:
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Envelope();
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Envelope(int64_t x1, int64_t x2, int64_t y1, int64_t y2);
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Envelope(Point64& p1, Point64& p2);
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bool Intersects(Envelope& other);
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void Init(Point64& p1, Point64& p2);
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void Init(int64_t x1, int64_t x2, int64_t y1, int64_t y2);
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public:
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/**
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* the minimum x-coordinate
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*/
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double MinX;
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/*
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* the maximum x-coordinate
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*/
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double MaxX;
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/*
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* the minimum y-coordinate
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*/
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double MinY;
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/*
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* the maximum y-coordinate
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*/
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double MaxY;
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};
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struct LineSegment {
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Point64 ptStart;
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Point64 ptEnd;
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Envelope Range;
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LineSegment(Point64& start, Point64& end) {
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if (start.x < end.x)
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{
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ptStart = start;
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ptEnd = end;
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}
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else {
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ptStart = end;
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ptEnd = start;
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}
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Range.Init(ptStart, ptEnd);
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}
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};
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class AFX_EXT_CLASS CIntersectionUtil
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{
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public:
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CIntersectionUtil(void);
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~CIntersectionUtil(void);
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void SetSourceLines(const Paths64* subjects);
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bool Intersects(LineSegment& clip);
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private:
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const Paths64* m_pSourceLines;
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vector <LineSegment> m_Segments;
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/*vector <LineSegment> m_SegmentsR;*/
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void PrepareData();
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static bool SegmentSort(LineSegment& seg1, LineSegment& seg2);
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static bool SegmentSortR(LineSegment& seg1, LineSegment& seg2);
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};
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