Exemplos de RS_Line::getDistanceToPoint em C++ (Cpp)

Exemplo n.º 1

Arquivo: rs_image.cpp Projeto: rmamba/LibreCAD

double RS_Image::getDistanceToPoint(const RS_Vector& coord,
                                    RS_Entity** entity,
                                    RS2::ResolveLevel /*level*/,
                                                                        double /*solidDist*/) const{
    if (entity) {
        *entity = const_cast<RS_Image*>(this);
    }

    RS_VectorSolutions corners = getCorners();

    //allow selecting image by clicking within images, bug#3464626
	if(containsPoint(coord)){
		//if coord is on image

		RS_SETTINGS->beginGroup("/Appearance");
		bool draftMode = (bool)RS_SETTINGS->readNumEntry("/DraftMode", 0);
		RS_SETTINGS->endGroup();
		if(!draftMode) return double(0.);
	}
    //continue to allow selecting by image edges
    double minDist = RS_MAXDOUBLE;

	for (size_t i = 0; i < corners.size(); ++i){
		size_t const j = (i+1)%corners.size();
		RS_Line const l{corners.get(i), corners.get(j)};
		double const dist = l.getDistanceToPoint(coord, nullptr);
		minDist = std::min(minDist, dist);
	}

    return minDist;
}