src/point.h (5dbde65) - dxfngc · BlinkenArea

point.h

/* drawing (DXF) to G-code (NGC) converter
 * Copyright 2013 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
 */

#ifndef POINT_H
#define POINT_H

/// point in 2D space
class Point {
public:
  Point();
  Point(double x, double y);
  double abs_sq() const;
  double abs() const;
  Point operator-() const;
  Point operator+(const Point &that) const;
  Point operator-(const Point &that) const;
  Point operator*(double factor) const;
  Point operator/(double factor) const;
  Point &operator+=(const Point &that);
  Point &operator-=(const Point &that);
  Point &operator*=(double factor);
  Point &operator/=(double factor);

/**
   * @brief check if point is equal to another one
   * @param[in] that other point
   * @param[in] eqDist maximum distance of two points to be considered equal
   */
  bool equals(const Point &that, double eqDist) const;

/**
   * @brief rotate around origin
   * @param[in] rad angle in radians
   * @return rotated point
   */
  Point rotate(double rad) const;

/**
   * @brief scale differently in X and Y direction
   * @param[in] fx scale factor in X direction
   * @param[in] fy scale factor in Y direction
   * @return scaled point
   */
  Point scale_xy(double fx, double fy) const;

double mX; ///< x coordinate
  double mY; ///< y coordinate
};

#endif // #ifndef POINT_H

dxfngc

implement scaling