color conversion tests

[blobs.git] / src / math / glm.hpp

diff --git a/src/math/glm.hpp b/src/math/glm.hpp
index 0d344e6e7879bbb4786aecb64266060854154f7a..76472e8baa2b166d90243b4e3ce11811ce331222 100644 (file)
--- a/src/math/glm.hpp
+++ b/src/math/glm.hpp
@@ -51,29 +51,4 @@ inline Vec limit(const Vec &v, typename Vec::value_type max) noexcept {
        }
 }
 
-template<class T>
-inline T rgb2hsl(const T &rgb) {
-       using Vec4 = glm::tvec4<typename T::value_type>;
-       const Vec4 K(0.0, -1.0/3.0, 2.0/3.0, -1.0);
-       const Vec4 p(glm::mix(Vec4(rgb.z, rgb.y, K.w, K.z), Vec4(rgb.y, rgb.z, K.x, K.y), rgb.y < rgb.z ? 0.0 : 1.0));
-       const Vec4 q(glm::mix(Vec4(p.x, p.y, p.w, rgb.x), Vec4(rgb.x, p.y, p.z, p.x), rgb.x < p.x ? 0.0 : 1.0));
-       const typename T::value_type d = q.x - std::min(q.w, q.y);
-       const typename T::value_type e = 1.0e-10;
-       T hsl = rgb;
-       hsl.x = std::abs(q.z + (q.w - q.y) / (6.0 * d + e));
-       hsl.y = d / (q.x + e);
-       hsl.z = q.x;
-       return hsl;
-}
-
-template<class T>
-inline T hsl2rgb(const T &hsl) {
-       using Vec3 = glm::tvec3<typename T::value_type>;
-       using Vec4 = glm::tvec4<typename T::value_type>;
-       const Vec4 K(1.0, 2.0/3.0, 1.0/3.0, 3.0);
-       const Vec3 p(glm::abs(glm::fract(Vec3(hsl.x) + Vec3(K)) * 6.0 - Vec3(K.w)));
-       T rgb = hsl.z * glm::mix(Vec3(K.x), glm::clamp(p - Vec3(K.x), 0.0, 1.0), hsl.y);
-       return rgb;
-}
-
 #endif