Interpolation.h

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#pragma once
 
#include <cmath>
#include <string>
#include <cstdint>
#include <type_traits>
 
// forward declaration
namespace sf { 
  class Color;
  template <typename T> class Vector2;
  template <typename T> class Vector3;
}
 
namespace sgui
{
template <typename Type>
constexpr sf::Vector2<Type> round (const sf::Vector2<Type>& value);

template <typename Type>
constexpr sf::Vector2<Type> round (const sf::Vector3<Type>& value);

template <typename Type>
constexpr Type lerp (
  const Type& min,
  const Type& max,
  const float value);

sf::Color lerp (
  const sf::Color& a,
  const sf::Color& b,
  const float value);

template <typename Type>
constexpr Type clamp (
  const Type min,
  const Type max,
  const Type value);

template <typename Type>
constexpr Type clampedLerp (
  const Type& min,
  const Type& max,
  const float value);

template <typename Type>
constexpr float inverseLerp (
  const Type& min,
  const Type& max,
  const Type& value);

template <typename InputType,
          typename OutputType>
constexpr OutputType remap (
  const InputType& minInput,
  const InputType& maxInput,
  const OutputType& minOutput,
  const OutputType& maxOutput,
  const InputType& value);
 
} // namespace sgui
 
#include "sgui/Core/Interpolation.tpp"