Plasma.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 Plasma : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Plasma.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("Plasma");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("IDL");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_red(float x) {\n"
                    "   const float pi = 3.141592653589793238462643383279502884197169399;\n"
                    "   const float a = 12.16378802377247;\n"
                    "   const float b = 0.05245257017955226;\n"
                    "   const float c = 0.2532139106569052;\n"
                    "   const float d = 0.02076964056039702;\n"
                    "   const float e = 270.124167081014;\n"
                    "   const float f = 1.724941960305955;\n"
                    "   float v = (a * x + b) * sin(2.0 * pi / c * (x - d)) + e * x + f;\n"
                    "   if (v > 255.0) {\n"
                    "       return 255.0 - (v - 255.0);\n"
                    "   } else {\n"
                    "       return v;\n"
                    "   }\n"
                    "}\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "   const float pi = 3.141592653589793238462643383279502884197169399;\n"
                    "   const float a = 88.08537391182792;\n"
                    "   const float b = 0.25280516046667;\n"
                    "   const float c = 0.05956080245692388;\n"
                    "   const float d = 106.5684078925541;\n"
                    "   return a * sin(2.0 * pi / b * (x - c)) + d;\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "   const float pi = 3.141592653589793238462643383279502884197169399;\n"
                    "   const float a = 63.89922420106684;\n"
                    "   const float b = 0.4259605778503662;\n"
                    "   const float c = 0.2529247343450655;\n"
                    "   const float d = 0.5150868195804643;\n"
                    "   const float e = 938.1798072557968;\n"
                    "   const float f = 503.0883490697431;\n"
                    "   float v = (a * x + b) * sin(2.0 * pi / c * x + d * 2.0 * pi) - e * x + f;\n"
                    "   if (v > 255.0) {\n"
                    "       return 255.0 - (v - 255.0);\n"
                    "   } else {\n"
                    "       return mod(v, 255.0);\n"
                    "   }\n"
                    "}\n"
                    "\n"
                    "vec4 colormap(float x) {\n"
                    "   float r = clamp(colormap_red(x) / 255.0, 0.0, 1.0);\n"
                    "   float g = clamp(colormap_green(x) / 255.0, 0.0, 1.0);\n"
                    "   float b = clamp(colormap_blue(x) / 255.0, 0.0, 1.0);\n"
                    "   return vec4(r, g, b, 1.0);\n"
                    "}\n");
            }
        };
 
    } // namespace IDL
} // namespace colormap