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#include "quadrilateral.h"

QString ldraw::Quadrilateral::textRepresentation() const
{
	return utility::format("%1 %2 %3 %4",
		utility::vertexToStringParens(this->points[0]),
		utility::vertexToStringParens(this->points[1]),
		utility::vertexToStringParens(this->points[2]),
		utility::vertexToStringParens(this->points[3]));
}

void ldraw::Quadrilateral::getPolygons(
	std::vector<gl::Polygon>& polygons,
	GetPolygonsContext* context) const
{
	Q_UNUSED(context)
	polygons.push_back(gl::quadrilateral(
		this->points[0],
		this->points[1],
		this->points[2],
		this->points[3],
		this->colorIndex,
		this->id));
}

void ldraw::Quadrilateral::invert()
{
	//    0 1 2 3
	// -> 2 1 0 3
	std::swap(this->points[0], this->points[2]);
}