18 #include "../gtx/optimum_pow.hpp"    20 #ifndef GLM_ENABLE_EXPERIMENTAL    21 #   error "GLM: GLM_GTX_gradient_paint is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."    24 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)    25 #   pragma message("GLM: GLM_GTX_gradient_paint extension included")    35     template<
typename T, qualifier Q>
    37         vec<2, T, Q> 
const& Center,
    39         vec<2, T, Q> 
const& Focal,
    40         vec<2, T, Q> 
const& Position);
    44     template<
typename T, qualifier Q>
    46         vec<2, T, Q> 
const& Point0,
    47         vec<2, T, Q> 
const& Point1,
    48         vec<2, T, Q> 
const& Position);
    53 #include "gradient_paint.inl" GLM_FUNC_DECL T linearGradient(vec< 2, T, Q > const &Point0, vec< 2, T, Q > const &Point1, vec< 2, T, Q > const &Position)
Return a color from a linear gradient. 
GLM_FUNC_DECL T radialGradient(vec< 2, T, Q > const &Center, T const &Radius, vec< 2, T, Q > const &Focal, vec< 2, T, Q > const &Position)
Return a color from a radial gradient.