/*
 * © Copyright 2014 – Urheberrechtshinweis
 * Alle Rechte vorbehalten / All Rights Reserved
 *
 * Programmcode ist urheberrechtlich geschuetzt.
 * Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
 * Keine Verwendung ohne explizite Genehmigung.
 * (vgl. § 106 ff UrhG / § 97 UrhG)
 */

#ifndef MAPELEMENTHELPER_H
#define MAPELEMENTHELPER_H

#include <Indoor/geo/Point2.h>
#include <Indoor/geo/Point3.h>
#include <Indoor/geo/Line2.h>

#include <QPen>

#include <Indoor/floorplan/v2/Floorplan.h>

#include "ClickDist.h"

/** configuration */
namespace CFG {
	const float	MOVE_SNAP_SIZE_M = 0.1f;		// in meter (= map-space)
	const int SEL_THRESHOLD_SIZE_PX = 15;		// in screen-pixels (-> should depend on the current zoom)
	const QColor FOCUS_COLOR = Qt::black;
	const QColor UNFOCUS_COLOR = Qt::gray;
	const QColor SEL_COLOR = Qt::blue;
}

/**
 * contains some common helper-methods
 */
class MapElementHelper {

public:

	/**
	 * get the minimal distance of dst to the line denoted by (p1, p2).
	 * this will generate line l perpendicular to (p1, p2)
	 * move l into dst
	 * and calculate the cut-point between l and (p1, p2)
	 */
	static ClickDist getLineDistanceXY(Point2 p1, Point2 p2, Point2 dst);

	static QPen getPen(Floorplan::Material mat, Floorplan::ObstacleType type, bool focus, float thickness_px);

};

#endif // MAPELEMENTHELPER_H