hex::Point Struct Reference

#include <hex.h>

List of all members.

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Detailed Description

X-Y coordinate.

Definition at line 174 of file hex.h.

Public Member Functions
Point	offset (Distance dx, Distance dy) const
	Point ()
	Point (Distance x_, Distance y_)
	Point (const std::string s) throw (out_of_range,invalid_argument)
Point &	operator+= (const Point &p)
Point &	operator-= (const Point &p)
Point	operator+ (const Point &p) const
Point	operator- (const Point &p) const
Point	operator * (double v) const
Point	operator/ (double v) const
bool	operator== (const Point &p) const
bool	operator!= (const Point &p) const
std::string	str (void) const
Public Attributes
Distance	x
Distance	y

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Constructor & Destructor Documentation

hex::Point::Point

(

)

[inline]

Definition at line 178 of file hex.h.

: x(0.0), y(0.0) {}

hex::Point::Point	(	Distance	x_,
		Distance	y_
	)			[inline]

Definition at line 179 of file hex.h.

: x(x_), y(y_) {}

hex::Point::Point

(

const std::string

s

)

throw (out_of_range,invalid_argument)

Definition at line 38 of file grid.cc.

{
  // Parse strings like: / *[-+]?\d+_ *[-+]?\d+([^\d].*)?/
  // E.g.  '1_2' ' +2_ 4' '2_4 # comment'
  const char* buf =s.c_str();
  char* endptr =NULL;
  errno=0;
  this->x = ::strtod(buf,&endptr);
  if(endptr==buf || *endptr!=',')
      throw hex::invalid_argument(s);
  buf =endptr+1;
  this->y = ::strtod(buf,&endptr);
  if(endptr==buf)
      throw hex::invalid_argument(s);
  if(ERANGE==errno)
      throw hex::out_of_range(s);
}

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Member Function Documentation

Point hex::Point::offset	(	Distance	dx,
		Distance	dy
	)			const [inline]

Definition at line 177 of file hex.h.

Referenced by hex::corner_offset().

{ return Point(x+dx,y+dy); }

Point& hex::Point::operator+=

(

const Point &

p

)

[inline]

Definition at line 181 of file hex.h.

References x, and y.

{ x+=p.x; y+=p.y; return *this; }

Point& hex::Point::operator-=

(

const Point &

p

)

[inline]

Definition at line 182 of file hex.h.

References x, and y.

{ x-=p.x; y-=p.y; return *this; }

Point hex::Point::operator+

(

const Point &

p

)

const [inline]

Definition at line 183 of file hex.h.

References x, and y.

{ return Point(x+p.x,y+p.y); }

Point hex::Point::operator-

(

const Point &

p

)

const [inline]

Definition at line 184 of file hex.h.

References x, and y.

{ return Point(x-p.x,y-p.y); }

Point hex::Point::operator *

(

double

v

)

const [inline]

Definition at line 185 of file hex.h.

{ return Point(x*v,y*v); }

Point hex::Point::operator/

(

double

v

)

const [inline]

Definition at line 186 of file hex.h.

{ return Point(x/v,y/v); }

bool hex::Point::operator==

(

const Point &

p

)

const [inline]

Definition at line 187 of file hex.h.

References x, and y.

{ return(x==p.x && y==p.y); }

bool hex::Point::operator!=

(

const Point &

p

)

const [inline]

Definition at line 188 of file hex.h.

{ return !operator==(p); }

std::string hex::Point::str

(

void

)

const

Definition at line 58 of file grid.cc.

References x, and y.

Referenced by hex::svg::path_append().

{
  std::ostringstream ss;
  ss<< this->x << "," << this->y;
  return ss.str();
}

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Member Data Documentation

Distance hex::Point::x

Definition at line 176 of file hex.h.

Referenced by hex::Hex::centre(), hex::move::_Route::distance(), hex::svg::Document::header(), operator+(), operator+=(), operator-(), operator-=(), hex::svg::operator<<(), operator==(), str(), and hex::svg::Document::T().

Distance hex::Point::y

Definition at line 176 of file hex.h.

Referenced by hex::Hex::centre(), hex::move::_Route::distance(), hex::svg::Document::header(), operator+(), operator+=(), operator-(), operator-=(), hex::svg::operator<<(), operator==(), str(), and hex::svg::Document::T().

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The documentation for this struct was generated from the following files:

• hex.h
• grid.cc

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