cgf/Line2D.hpp at main · willihay/cgf · GitHub

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#pragma once

#include "Color.hpp"
#include "Point2D.hpp"
#include "Window.hpp"

namespace CGF
{

////////////////////////////////////////////////////////////////////////////////
/*!
	@class	Line2D
	@brief	Simple 2D line class
*/
////////////////////////////////////////////////////////////////////////////////
class Line2D
{
public:
	Line2D() = default;
	Line2D(const Line2D & rhs) = default;
    Line2D(const Point2D & start, const Point2D & end);
	Line2D(const Point2D & start, const Point2D & end, const Color & clr);
	Line2D & operator = (const Line2D & rhs) = default;
	virtual ~Line2D() = default;

	// Getters and setters
	Point2D GetStartPoint() const { return mStartPoint; }
	Point2D GetEndPoint() const { return mEndPoint; }
	Color	GetColor() const { return mColor; }
	void SetStartPoint(const Point2D & start) { mStartPoint = start; }
	void SetEndPoint(const Point2D & end) { mEndPoint = end; }
	void SetColor(const Color & c) { mColor = c; }

	void DrawDDA(const Window & window) const;
	void DrawBresenham(const Window & window) const;

private:
	// Internal use
	void DrawDDAFracM(float x0, float y0, float x1, float y1, float mAbs, const Window & window) const;
	void DrawDDALargeM(float x0, float y0, float x1, float y1, float mInv, const Window & window) const;
	void DrawBresFracM(int x0, int y0, int x1, int y1, const Window & window) const;
	void DrawBresLargeM(int x0, int y0, int x1, int y1, const Window & window) const;

	Point2D mStartPoint, mEndPoint;
	Color mColor;
};

}	// namespace CGF