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Point.h

Archon Oct 4th, 2011 138 Never
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  1. // (C) 2009, 2010 Tim Gurto
  2.  
  3. #ifndef POINT_H
  4. #define POINT_H
  5.  
  6. #include "SDL.h"
  7. #include "Types.h"
  8.  
  9. //Simple x and y, with operations to work with
  10. //SDL_Rects
  11. struct Point{
  12.    pixels_t x;
  13.    pixels_t y;
  14.  
  15.    Point(const SDL_Rect &original);
  16.    Point(pixels_t xCoord = 0, pixels_t yCoord = 0);
  17.  
  18.    //implicit cast to SDL_Rect
  19.    operator SDL_Rect();
  20.  
  21.    Point &operator=(const SDL_Rect &rhs);
  22.  
  23.    //addition/subtraction with other Points
  24.    Point operator+(const Point &rhs) const;
  25.    Point &operator+=(const Point &rhs);
  26.    Point operator-(const Point &rhs) const;
  27.    Point &operator-=(const Point &rhs);
  28.  
  29.    //scalar multiplication
  30.    Point operator*(double rhs) const;
  31.    Point operator/(double rhs) const;
  32.  
  33.    //comparison with Point
  34.    bool operator<(const Point &rhs) const;
  35.    bool operator==(const Point &rhs) const;
  36.    bool operator!=(const Point &rhs) const;
  37.  
  38.    //comparison with SDL_Rect
  39.    bool operator==(const SDL_Rect &rhs) const;
  40.  
  41.    //addition/subtraction with SDL_Rects
  42.    //width and height values of rhs are retained
  43.    SDL_Rect operator-(const SDL_Rect &rhs) const;
  44.    SDL_Rect operator+(const SDL_Rect &rhs) const;
  45. };
  46.  
  47. //addition/subtraction with SDL_Rects, reversed
  48. SDL_Rect operator+(SDL_Rect lhs, const Point &rhs);
  49. SDL_Rect operator-(SDL_Rect lhs, const Point &rhs);
  50.  
  51. //comparison with SDL_Rect, reversed
  52. bool operator==(const SDL_Rect &lhs, const Point &rhs);
  53.  
  54. #endif
  55.  
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