Rainbow+Black.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 RainbowBlack : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Rainbow+Black.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+Black");
            }
 
            std::string getCategory() const override
            {
                return std::string("IDL");
            }
 
            std::string getSource() const override
            {
                return std::string(
                           "vec4 colormap_hsv2rgb(float h, float s, float v) {\n"
                           "    float r = v;\n"
                           "    float g = v;\n"
                           "    float b = v;\n"
                           "    if (s > 0.0) {\n"
                           "        h *= 6.0;\n"
                           "        int i = int(h);\n"
                           "        float f = h - float(i);\n"
                           "        if (i == 1) {\n"
                           "            r *= 1.0 - s * f;\n"
                           "            b *= 1.0 - s;\n"
                           "        } else if (i == 2) {\n"
                           "            r *= 1.0 - s;\n"
                           "            b *= 1.0 - s * (1.0 - f);\n"
                           "        } else if (i == 3) {\n"
                           "            r *= 1.0 - s;\n"
                           "            g *= 1.0 - s * f;\n"
                           "        } else if (i == 4) {\n"
                           "            r *= 1.0 - s * (1.0 - f);\n"
                           "            g *= 1.0 - s;\n"
                           "        } else if (i == 5) {\n"
                           "            g *= 1.0 - s;\n"
                           "            b *= 1.0 - s * f;\n"
                           "        } else {\n"
                           "            g *= 1.0 - s * (1.0 - f);\n"
                           "            b *= 1.0 - s;\n"
                           "        }\n"
                           "    }\n"
                           "    return vec4(r, g, b, 1.0);\n"
                           "}\n"
                           "\n"
                           "vec4 colormap(float x) {\n"
                           "    if (x < 0.0) {\n"
                           "        return vec4(0.0, 0.0, 0.0, 1.0);\n"
                           "    } else if (1.0 < x) {\n"
                           "        return vec4(0.0, 0.0, 0.0, 1.0);\n"
                           "    } else {\n"
                           "        float h = clamp(-9.42274071356572E-01 * x + 8.74326827903982E-01, 0.0, 1.0);\n"
                           "        float s = 1.0;\n"
                           "        float v = clamp(4.90125513855204E+00 * x + 9.18879034690780E-03, 0.0, 1.0);\n"
                           "        return colormap_hsv2rgb(h, s, v);\n"
                           "    }\n"
                           "}\n"
                       );
            }
        };
 
    } // namespace IDL
} // namespace colormap