Rainbow.h

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/**
 * This file was automatically created with "create_c++_header.sh".
 * Do not edit manually.
 */
#pragma once
#include "../../colormap.h"
 
namespace colormap
{
    namespace IDL
    {
 
        class Rainbow : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Rainbow.frag"
#undef float
            };
 
        public:
            Color
            getColor(double x) const override
            {
                Wrapper w;
                vec4 c = w.colormap(x);
                Color result;
                result.r = std::max(0.0, std::min(1.0, c.r));
                result.g = std::max(0.0, std::min(1.0, c.g));
                result.b = std::max(0.0, std::min(1.0, c.b));
                result.a = std::max(0.0, std::min(1.0, c.a));
                return result;
            }
 
            std::string
            getTitle() const override
            {
                return std::string("Rainbow");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("IDL");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_red(float x) {\n"
                    "    if (x < 100.0) {\n"
                    "        return (-9.55123422981038E-02 * x + 5.86981763554179E+00) * x - "
                    "3.13964093701986E+00;\n"
                    "    } else {\n"
                    "        return 5.25591836734694E+00 * x - 8.32322857142857E+02;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "    if (x < 150.0) {\n"
                    "        return 5.24448979591837E+00 * x - 3.20842448979592E+02;\n"
                    "    } else {\n"
                    "        return -5.25673469387755E+00 * x + 1.34195877551020E+03;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "    if (x < 80.0) {\n"
                    "        return 4.59774436090226E+00 * x - 2.26315789473684E+00;\n"
                    "    } else {\n"
                    "        return -5.25112244897959E+00 * x + 8.30385102040816E+02;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "vec4 colormap(float x) {\n"
                    "    float t = x * 255.0;\n"
                    "    float r = clamp(colormap_red(t) / 255.0, 0.0, 1.0);\n"
                    "    float g = clamp(colormap_green(t) / 255.0, 0.0, 1.0);\n"
                    "    float b = clamp(colormap_blue(t) / 255.0, 0.0, 1.0);\n"
                    "    return vec4(r, g, b, 1.0);\n"
                    "}\n");
            }
        };
 
    } // namespace IDL
} // namespace colormap