numbers.hpp File Reference

This file contains constants and conversion functions. More...

#include "../macros.hpp"
#include "concepts.hpp"
#include <concepts>
#include <limits>

Go to the source code of this file.

Namespaces
namespace	v1
	DOXYGEN BUG.

Functions
	hi_export_module (hikogui.utility.numbers)
template<std::floating_point T>
constexpr T	v1::points_to_dp (T x) noexcept
	Convert points to device independent pixels.

Variables
template<typename T >
constexpr auto	v1::large_number_v = T{16777215}
	A large number.
template<std::floating_point T>
constexpr auto	v1::points_per_inch_v = T{72.0}
	The number of points (typography) per inch.
template<std::floating_point T>
constexpr auto	v1::dp_per_inch_v = T{80.0}
	The number of device independent pixels per inch.
template<std::floating_point T>
constexpr auto	v1::points_to_dp_scale_v = dp_per_inch_v<T> / points_per_inch_v<T>
constexpr double	v1::points_per_inch = points_per_inch_v<double>
constexpr double	v1::dp_per_inch = dp_per_inch_v<double>

Detailed Description

This file contains constants and conversion functions.