You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
1.5 KiB
C++
80 lines
1.5 KiB
C++
#pragma once
|
|
//#include "clipper2\clipper.engine.h"
|
|
//#include "clipper2\clipper.core.h"
|
|
#include "clipper2\clipper.h"
|
|
//#include "clipper2\clipper.rectclip.h"
|
|
//#include "clipper2\clipper.rectclip.h"
|
|
//#include "clipper2\RectClipLines.h"
|
|
using namespace std;
|
|
using namespace Clipper2Lib;
|
|
|
|
class AFX_EXT_CLASS Envelope {
|
|
public:
|
|
Envelope();
|
|
Envelope(int64_t x1, int64_t x2, int64_t y1, int64_t y2);
|
|
Envelope(Point64& p1, Point64& p2);
|
|
bool Intersects(Envelope& other);
|
|
void Init(Point64& p1, Point64& p2);
|
|
void Init(int64_t x1, int64_t x2, int64_t y1, int64_t y2);
|
|
public:
|
|
/**
|
|
* the minimum x-coordinate
|
|
*/
|
|
double MinX;
|
|
/*
|
|
* the maximum x-coordinate
|
|
*/
|
|
double MaxX;
|
|
/*
|
|
* the minimum y-coordinate
|
|
*/
|
|
double MinY;
|
|
/*
|
|
* the maximum y-coordinate
|
|
*/
|
|
double MaxY;
|
|
};
|
|
|
|
struct LineSegment {
|
|
|
|
Point64 ptStart;
|
|
Point64 ptEnd;
|
|
Envelope Range;
|
|
|
|
LineSegment(Point64& start, Point64& end) {
|
|
if (start.x < end.x)
|
|
{
|
|
ptStart = start;
|
|
ptEnd = end;
|
|
}
|
|
else {
|
|
ptStart = end;
|
|
ptEnd = start;
|
|
}
|
|
Range.Init(ptStart, ptEnd);
|
|
}
|
|
};
|
|
|
|
class AFX_EXT_CLASS CIntersectionUtil
|
|
{
|
|
public:
|
|
CIntersectionUtil(void);
|
|
~CIntersectionUtil(void);
|
|
void SetSourceLines(const Paths64* subjects);
|
|
|
|
bool Intersects(LineSegment& clip);
|
|
|
|
private:
|
|
const Paths64* m_pSourceLines;
|
|
vector <LineSegment> m_Segments;
|
|
/*vector <LineSegment> m_SegmentsR;*/
|
|
void PrepareData();
|
|
|
|
static bool SegmentSort(LineSegment& seg1, LineSegment& seg2);
|
|
static bool SegmentSortR(LineSegment& seg1, LineSegment& seg2);
|
|
};
|
|
|
|
|
|
|
|
|