clipper/example.cpp at master · j0uni/clipper · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
#include "clipper.hpp"

using namespace ClipperLib;

Paths subj;
Paths clip;
Paths solution;

void addPoint(int x, int y, Path *path)
{
    IntPoint ip;
    ip.X = x;
    ip.Y = y;
    path->push_back(ip);
}

int main()
{
    Paths subj;

    Path p;
    addPoint(100,100, &p);
    addPoint(200,100, &p);
    addPoint(200,200, &p);
    addPoint(100,200, &p);
    subj.push_back(p);

    Path p2;
    addPoint(150,50, &p2);
    addPoint(175,50, &p2);
    addPoint(175,250, &p2);
    addPoint(150,250, &p2);
    clip.push_back(p2);

    Clipper c;

    c.AddPaths(subj, ptSubject, true);
    c.AddPaths(clip, ptClip, true);
    c.Execute(ctIntersection, solution, pftNonZero, pftNonZero);

    printf("solution size = %d\n",(int)solution.size());
    for (unsigned i=0; i<solution.size(); i++)
    {
        Path p3 = solution.at(i);

        for (unsigned j=0; j<p3.size(); j++)
        {
            IntPoint ip = p3.at(j);
            printf("%d = %lld, %lld\n",j, ip.X,ip.Y);
        }

    }

    return 0;
}