//--------------------------------------------------------------
void ofxClipper::SimplifyPolyline(ofPolyline &in_poly,
ofxPolylines &out_polys) {
ClipperLib::Polygon in;
ClipperLib::Polygons out;
in = ofPolyline_to_Polygon(in_poly);
ClipperLib::SimplifyPolygon(in,out);
polygons_to_ofxPolylines(out,out_polys);
}
//--------------------------------------------------------------
void ofxClipper::SimplifyPolyline(ofPolyline &in_poly,
ofxPolylines &out_polys,
ofPolyWindingMode windingMode) {
ClipperLib::Polygon in;
ClipperLib::Polygons out;
in = ofPolyline_to_Polygon(in_poly);
ClipperLib::SimplifyPolygon(in,out, convertWindingMode(windingMode));
polygons_to_ofxPolylines(out,out_polys);
}
//--------------------------------------------------------------
bool ofxClipper::addRectangle(ofRectangle& rectangle,
ofxClipperPolyType clipperType) {
ofPolyline r;
r.addVertex(ofPoint(rectangle.x,rectangle.y));
r.addVertex(ofPoint(rectangle.x+rectangle.width,rectangle.y));
r.addVertex(ofPoint(rectangle.x+rectangle.width,rectangle.y+rectangle.height));
r.addVertex(ofPoint(rectangle.x,rectangle.y+rectangle.height));
r.close();
ClipperLib::Polygon out = ofPolyline_to_Polygon(r);
AddPolygon(out,(ClipperLib::PolyType)clipperType);
}
//--------------------------------------------------------------
bool ofxClipper::addPolyline(ofPolyline& polyline,
ofxClipperPolyType clipperType) {
ClipperLib::Polygon out = ofPolyline_to_Polygon(polyline);
AddPolygon(out,(ClipperLib::PolyType)clipperType);
}
//--------------------------------------------------------------
void ofxClipper::ReversePolyline(ofPolyline& poly) {
ClipperLib::Polygon in;
in = ofPolyline_to_Polygon(poly);
ClipperLib::ReversePoints(in);
poly = polygon_to_ofPolyline(in);
}
//--------------------------------------------------------------
double ofxClipper::Area(ofPolyline &poly) {
return ClipperLib::Area(ofPolyline_to_Polygon(poly));
}
// utility functions
//--------------------------------------------------------------
bool ofxClipper::Orientation(ofPolyline &poly) {
return ClipperLib::Orientation(ofPolyline_to_Polygon(poly));
}
//--------------------------------------------------------------
void ofxClipper::ofxPolylines_to_Polygons(ofxPolylines& polylines,ClipperLib::Polygons& polygons) {
vector<ofPolyline>::iterator iter;
for(iter = polylines.begin(); iter != polylines.end(); iter++) {
polygons.push_back(ofPolyline_to_Polygon((*iter)));
}
}
