Hue_Sat_Lightness_1.h

Go to the documentation of this file.

/**
 * This file was automatically created with "create_c++_header.sh".
 * Do not edit manually.
 */
#pragma once
#include "../../colormap.h"
 
namespace colormap
{
    namespace IDL
    {
 
        class HueSatLightness1 : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Hue_Sat_Lightness_1.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("Hue_Sat_Lightness_1");
            }
 
            std::string getCategory() const override
            {
                return std::string("IDL");
            }
 
            std::string getSource() const override
            {
                return std::string(
                           "float colormap_low(float x) {\n"
                           "    return (-1.91005335917480E-03 * x + 1.49751468348116E+00) * x - 6.97037614414503E+00; // lower\n"
                           "}\n"
                           "\n"
                           "float colormap_up(float x) {\n"
                           "    return (1.88420526249161E-03 * x - 5.03556849093925E-01) * x + 2.55777688663313E+02; // upper\n"
                           "}\n"
                           "\n"
                           "float colormap_red(float x) {\n"
                           "    if (x < 43.76015739302458) { // first root of `lower = B1`\n"
                           "        return colormap_up(x);\n"
                           "    } else if (x < 86.85552651930304) { // first root of `lower = R1`\n"
                           "        return (3.42882679808412E-02 * x - 7.47424573913507E+00) * x + 4.99200716753466E+02; // R1\n"
                           "    } else if (x < 174.6136813850324) { // first root of `low = B2`\n"
                           "        return colormap_low(x);\n"
                           "    } else {\n"
                           "        return ((1.12237347384081E-04 * x - 7.83534162528667E-02) * x + 1.86033275155350E+01) * x - 1.25879271751642E+03;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_green(float x) {\n"
                           "    if (x < 86.85552651930304) {\n"
                           "        return colormap_low(x);\n"
                           "    } else if (x < 130.6514942376722) {\n"
                           "        return (-2.86318899478317E-02 * x + 8.83599571161434E+00) * x - 4.43544771805581E+02; // G1\n"
                           "    } else {\n"
                           "        return colormap_up(x);\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_blue(float x) {\n"
                           "    if (x < 43.76015739302458) {\n"
                           "        return (-3.50205069618621E-02 * x + 7.15746326474339E+00) * x - 8.79902788903102E+00; // B1\n"
                           "    } else if (x < 130.6514942376722) { // first root of `upper = G1`\n"
                           "        return colormap_up(x);\n"
                           "    } else if (x < 174.6136813850324) { // first root of `low = B2`\n"
                           "        return (1.99506804131033E-02 * x - 6.64847464240324E+00) * x + 7.48898397192062E+02; // B2\n"
                           "    } else {\n"
                           "        return colormap_low(x);\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