h2d::fct Namespace Reference

Holds functors, used to manage runtime polymorphism using std::variant. See https://github.com/skramm/homog2d/blob/master/docs/homog2d_manual.md#section_rtp. More...

Classes
struct	AreaFunct
	A functor to get the area of an object in a std::variant, call with std::visit() More...
struct	BBFunct
	A functor to get the Bounding Box. More...
struct	DrawFunct
	A functor used to draw objects. To use with std::variant and std::visit() More...
struct	DTypeFunct
struct	LengthFunct
	A functor to get the length of an object in a std::variant, call with std::visit() More...
struct	PtPairFunct
	A functor to get pair of points englobing the element. More...
struct	SizeFunct
	A functor to get the size (nb of points) of an object in a std::variant, call with std::visit() More...
class	TransformFunct
	A functor used to apply a homography matrix to an object. More...
struct	TypeFunct
	A functor to get the type of an object in a std::variant, call with std::visit() More...
struct	VariantUnwrapper
	Convert std::variant object into the underlying type. More...

Functions
template<typename... Ts>
	VariantUnwrapper (const std::variant< Ts... > &) -> VariantUnwrapper< Ts... >
	Fix for the above VariantUnwrapper for C++17. More...

Detailed Description

Holds functors, used to manage runtime polymorphism using std::variant. See https://github.com/skramm/homog2d/blob/master/docs/homog2d_manual.md#section_rtp.

Function Documentation

VariantUnwrapper()

template<typename... Ts>

h2d::fct::VariantUnwrapper

(

const std::variant< Ts... > &

)

-> VariantUnwrapper< Ts... >

Fix for the above VariantUnwrapper for C++17.

(may be removed when we switch to C++20)

See also

VariantUnwrapper

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