auto_fill_jewel/auto_fill_jewel_v3/contourdatatools.cpp

//
//  contourdatatools.cpp
//  auto_fill_jewel_v3
//
//  Created by Red on 2024/11/25.
//

#include "contourdatatools.hpp"



ContourData ContourDataTools::convex_hull(ContourData& cd)
{
    BoostGeometryTools::BoostPolygon poly ;
    for(int i=0;i<cd._points.size();++i ) {
        BoostGeometryTools::BoostPoint bpt ;
        bpt.set<0>(cd._points[i].x) ;
        bpt.set<1>(cd._points[i].y) ;
        poly.outer().push_back( bpt ) ;
    }
    BoostGeometryTools::BoostPolygon hull = BoostGeometryTools::convex_hull(poly);
    ContourData newCd ;
    for(int i=0;i<hull.outer().size();++i ) {
        ContourData::Point cpt ;
        cpt.x = hull.outer()[i].get<0>() ;
        cpt.y = hull.outer()[i].get<1>() ;
        newCd._points.push_back( cpt );
    }
    return newCd ;
}