screen_coordinate.h File Reference

#include <iosfwd>

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Classes
class	screen_coordinate
	The coordinate on a screen. More...

Functions
double	calc_angle_degrees (const screen_coordinate &from, const screen_coordinate &to)
	Calculate the angle in degrees.
double	calc_angle_degrees (const screen_coordinate &delta)
	Calculate the angle in degrees.
double	calc_distance (const screen_coordinate &a, const screen_coordinate &b) noexcept
	Calculate the Euclidean distance.
std::string	to_str (const screen_coordinate &c) noexcept
std::ostream &	operator<< (std::ostream &os, const screen_coordinate &coordinat)
bool	operator== (const screen_coordinate &lhs, const screen_coordinate &rhs) noexcept
bool	operator!= (const screen_coordinate &lhs, const screen_coordinate &rhs) noexcept
screen_coordinate	operator+ (const screen_coordinate &lhs, const screen_coordinate &rhs) noexcept
screen_coordinate	operator- (const screen_coordinate &lhs, const screen_coordinate &rhs) noexcept
screen_coordinate	operator* (const screen_coordinate &lhs, const double &factor) noexcept
screen_coordinate	operator/ (const screen_coordinate &lhs, const double &factor)
screen_coordinate &	operator+= (screen_coordinate &lhs, const screen_coordinate &rhs) noexcept
void	test_screen_coordinate ()
	Run the tests for the screen coordinat.

Function Documentation

calc_angle_degrees() [1/2]

double calc_angle_degrees

(

const screen_coordinate &

delta

)

Calculate the angle in degrees.

dx	dy	o'clock	degrees
1	0	3	0
0	1	6	270
-1	0	9	180
0	-1	12	90

calc_angle_degrees() [2/2]

double calc_angle_degrees	(	const screen_coordinate &	from,
		const screen_coordinate &	to
	)

Calculate the angle in degrees.

dx	dy	o'clock	degrees
1	0	3	0
0	1	6	270
-1	0	9	180
0	-1	12	90

calc_distance()

double calc_distance ( const screen_coordinate &  a, const screen_coordinate &  b  )

noexcept

Calculate the Euclidean distance.

operator!=()

bool operator!= ( const screen_coordinate &  lhs, const screen_coordinate &  rhs  )

noexcept

operator*()

screen_coordinate operator* ( const screen_coordinate &  lhs, const double &  factor  )

noexcept

operator+()

screen_coordinate operator+ ( const screen_coordinate &  lhs, const screen_coordinate &  rhs  )

noexcept

operator+=()

screen_coordinate & operator+= ( screen_coordinate &  lhs, const screen_coordinate &  rhs  )

noexcept

operator-()

screen_coordinate operator- ( const screen_coordinate &  lhs, const screen_coordinate &  rhs  )

noexcept

operator/()

screen_coordinate operator/	(	const screen_coordinate &	lhs,
		const double &	factor
	)

operator<<()

std::ostream & operator<<	(	std::ostream &	os,
		const screen_coordinate &	coordinat
	)

operator==()

bool operator== ( const screen_coordinate &  lhs, const screen_coordinate &  rhs  )

noexcept

test_screen_coordinate()

void test_screen_coordinate

(

)

Run the tests for the screen coordinat.

to_str()

std::string to_str ( const screen_coordinate &  c )

noexcept