Graph_lib Namespace Reference

Classes
class	Bad_image
struct	Button
struct	Closed_polyline
	Закрытая последовательность линий More...
struct	Color
	Цвет, с учетом прозрачности More...
class	Font
class	Image
struct	In_box
class	Line
	Простая линяя, сост. из двух точек More...
struct	Line_style
class	Lines
	Независимые линии More...
class	Mark
class	Marked_polyline
class	Marks
class	Open_polyline
	Открытая последовательность линий More...
struct	Out_box
struct	Point
class	Shape
	Абстрактная фигура More...
struct	Suffix
class	Text
class	Widget
	Абстрактный объект взаимодействия с пользователем More...
class	Window

Typedefs
using	Callback

Functions
bool	can_open (const std::string &s)
void	draw_mark (Point _loc, char c)
	Рисует 1 марку
Suffix::Encoding	get_encoding (const std::string &s)
int	gui_main ()
	Вызывает основной цикл обработки событий библиотеки виджетов
int	init_suffix_map ()
bool	operator!= (Point a, Point b)
Point	operator+ (Point a, Point b)
Point	operator- (Point a, Point b)
bool	operator== (Point a, Point b)
template<class W >
W &	reference_to (void *ptr_wid)

Variables
const double	pi {std::acos(-1.0)}
std::map< std::string, Suffix::Encoding >	suffix_map

Typedef Documentation

Callback

using Graph_lib::Callback

Initial value:

 void (*)(
    void*, void*)

Function Documentation

can_open()

bool Graph_lib::can_open

(

const std::string &

s

)

{
  return static_cast<bool>(std::ifstream{s});
}

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draw_mark()

void Graph_lib::draw_mark	(	Point	_loc,
		char	c )

Рисует 1 марку

Parameters

_loc	расположение
c	символ марки

                                   {
  static const int dx = 4;
  static const int dy = 4;
  std::string m{c};
  fl_draw(m.c_str(), int(_loc.x - dx), int(_loc.y + dy));
}

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get_encoding()

Suffix::Encoding Graph_lib::get_encoding

(

const std::string &

s

)

{
  [[maybe_unused]] static int x = init_suffix_map();
 
  std::string::const_iterator p = std::find(s.begin(), s.end(), '.');
  if (p == s.end()) return Suffix::none;  // no suffix
 
  std::string suf{p + 1, s.end()};
  return suffix_map[suf];
}

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gui_main()

int Graph_lib::gui_main ( )

inline

Вызывает основной цикл обработки событий библиотеки виджетов

Returns

int: результат работы

{ return Fl::run(); }

init_suffix_map()

int Graph_lib::init_suffix_map

(

)

                      {
  suffix_map["png"] = Suffix::png;
  suffix_map["PNG"] = Suffix::png;
  suffix_map["jpg"] = Suffix::jpg;
  suffix_map["JPG"] = Suffix::jpg;
  suffix_map["jpeg"] = Suffix::jpg;
  suffix_map["JPEG"] = Suffix::jpg;
  suffix_map["gif"] = Suffix::gif;
  suffix_map["GIF"] = Suffix::gif;
  suffix_map["bmp"] = Suffix::bmp;
  suffix_map["BMP"] = Suffix::bmp;
  return 0;
}

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operator!=()

bool Graph_lib::operator!= ( Point a, Point b )

inline

{ return !(a == b); }

operator+()

Point Graph_lib::operator+ ( Point a, Point b )

inline

{ return a += b; }

operator-()

Point Graph_lib::operator- ( Point a, Point b )

inline

{ return a -= b; }

operator==()

bool Graph_lib::operator== ( Point a, Point b )

inline

{ return a.x == b.x && a.y == b.y; }

reference_to()

template<class W >

W & Graph_lib::reference_to

(

void *

ptr_wid

)

                               {
  return *static_cast<W*>(ptr_wid);
}

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Variable Documentation

pi

const double Graph_lib::pi {std::acos(-1.0)}

{std::acos(-1.0)};

suffix_map

std::map<std::string, Suffix::Encoding> Graph_lib::suffix_map