/*
 * © 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 PAINTER_H
#define PAINTER_H

#include <Indoor/geo/Point2.h>
#include <Indoor/geo/Point3.h>
#include <Indoor/geo/BBox2.h>

//#include "Scaler.h"

class Scaler;
class QPainter;
class QPixmap;
class QImage;
class QPen;
class QColor;
class QBrush;

#include <qnamespace.h>

class Painter {

public:

	Scaler& s;
	QPainter* p;
	int w;
	int h;

public:

	/** ctor */
	Painter(Scaler& s, QPainter* p, int w, int h);

	int width();

	int height();

	/** is the given point visible on screen? */
	bool isVisible(const Point2 p);

	/** is the given volume visible on screen? */
	bool isVisible(const BBox2 bb);

	void drawLine(const Point2 p1, const Point2 p2);
	void drawLine(const Point3 p1, const Point3 p2);
	void drawLine(const float x1, const float y1, const float x2, const float y2);

	float radToDeg(const float rad) const;

	void drawArc(const Point2 center, const float radius, const float startAngleRad, const float spanAngleRad);

	/** draw a dot at the given map coordinates */
	void drawDot(const Point2 center);

	void drawCircle(const Point3 center);
	void drawCircle(const Point2 center);
	void drawCircle(const Point2 center, const float size_m);
	void drawCircle_px(const Point2 center, const float size_px);

	void drawRect(const Point2 p1, const Point2 p2);
	void drawRect(const float x1, const float y1, const float x2, const float y2);
	void drawRect(const Point2 center);

	void drawNode(Point2 pt, bool focused, bool selected);

	void drawText(const Point2 pos, const std::string& text);

	void drawPolygon(const std::vector<Point2>& points);
	void drawPolygon(const std::vector<Point3>& points);

	void drawPixmap(const Point2 pt, const QPixmap& img);

	void drawImage(const Point2 pt, const QImage& img);

	void drawLength(Point2 p1, Point2 p2, const float len, const float offset = 0);

	void setBrush(const QBrush& brush);
	void setBrush(const Qt::BrushStyle& brush);

	void setPen(const QPen& pen);
	void setPen(const QColor& pen);
	void setPen(const Qt::PenStyle& pen);

	const QPen& getPen();

	template <typename Pen, typename Brush> void setPenBrush(const Pen& pen, const Brush& brush) {
		setPen(pen);
		setBrush(brush);
	}

	const Scaler& getScaler();

private:



};

#endif // PAINTER_H