Nature.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 Nature : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Nature.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("Nature");
            }
 
            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 < 0.8) {\n"
                           "        const float pi = 3.141592653589793238462643383279502884197169399;\n"
                           "        float v = sin(2.0 * pi * (x * 2.440771851872335 + 0.03082889566781979)) * 94.0 + 86.68712190457872;\n"
                           "        if (v < 0.0) {\n"
                           "            return -v;\n"
                           "        } else {\n"
                           "            return v;\n"
                           "        }\n"
                           "    } else {\n"
                           "        return 82.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_green(float x) {\n"
                           "    if (x < 0.8) {\n"
                           "        const float pi = 3.141592653589793238462643383279502884197169399;\n"
                           "        const float a = - 133.8180196373718;\n"
                           "        const float b = 105.5963045788319;\n"
                           "        const float c = 1.192621559448461;\n"
                           "        const float d = 4.00554233186818;\n"
                           "        const float e = 0.04779355732364274;\n"
                           "        const float f = 218.2356517672776;\n"
                           "        const float g = -269.6049419208264;\n"
                           "        float v = (a * x + b) * sin(2.0 * pi / c * (d * x + e)) + f + g * x;\n"
                           "        if (v > 255.0) {\n"
                           "            return 255.0 - (v - 255.0);\n"
                           "        } else {\n"
                           "            return v;\n"
                           "        }\n"
                           "    } else {\n"
                           "        return 0.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_blue(float x) {\n"
                           "    if (x < 0.8) {\n"
                           "        const float pi = 3.141592653589793238462643383279502884197169399;\n"
                           "        const float a = 2.443749115965466;\n"
                           "        const float b = 0.02934035424870109;\n"
                           "        const float c = 253.745120022022;\n"
                           "        const float d = 226.671125688366;\n"
                           "        float v = sin(2.0 * pi * (x * a + b))*c + d;\n"
                           "        if (v > 255.0) {\n"
                           "            return 255.0 - (v - 255.0);\n"
                           "        } else if (v < 0.0) {\n"
                           "            return -v;\n"
                           "        } else {\n"
                           "            return v;\n"
                           "        }\n"
                           "    } else {\n"
                           "        return 214.0;\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