Purple-Red+Stripes.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 PurpleRedStripes : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Purple-Red+Stripes.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("Purple-Red+Stripes");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("IDL");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_h(float x) {\n"
                    "   if (x < 0.3310005332481092) {\n"
                    "       return (4.38091557495284E-01 * x - 6.45518032448820E-01) * x + "
                    "8.32595065985926E-01; // H1\n"
                    "   } else if (x < 0.836653386) {\n"
                    "       return -9.95987681712782E-01 * x + 9.96092924041492E-01; // H2\n"
                    "   } else if (x < 0.9144920256360881) {\n"
                    "       return (-3.25656183098909E+00 * x + 4.39104086393490E+00) * x - "
                    "1.23205476222211E+00; // H3\n"
                    "   } else {\n"
                    "       return (1.68724608409684E+00 * x - 3.93349028637749E+00) * x + "
                    "2.24617746415606E+00; // H4\n"
                    "   }\n"
                    "}\n"
                    "\n"
                    "float colormap_s(float x) {\n"
                    "   if (x < 0.9124516770628384) {\n"
                    "       return -2.49531958245657E+00 * x + 3.07915192631601E+00; // S1\n"
                    "   } else {\n"
                    "       return 2.28056601637550E+00 * x - 1.27861289779857E+00; // S2\n"
                    "   }\n"
                    "}\n"
                    "\n"
                    "float colormap_v(float x) {\n"
                    "   float v = clamp(7.55217853407034E-01 * x + 7.48186662435193E-01, 0.0, "
                    "1.0);\n"
                    "   float period = 0.039840637;\n"
                    "   float t = x - 0.027888446;\n"
                    "   float tt = t - float(int(t / period)) * period;\n"
                    "   if (0.0 <= tt && tt < 0.007968127) {\n"
                    "       v -= 0.2;\n"
                    "   }\n"
                    "   return v;\n"
                    "}\n"
                    "\n"
                    "// H1 - H2 = 0\n"
                    "// => [x=-1.186402343934078,x=0.3310005332481092]\n"
                    "\n"
                    "// H3 - H4 = 0\n"
                    "// => [x=0.7693377859773962,x=0.9144920256360881]\n"
                    "\n"
                    "// S1 - 1 = 0\n"
                    "// => [x=0.9124516770628384]\n"
                    "\n"
                    "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"
                    "   float h = colormap_h(clamp(x, 0.0, 1.0));\n"
                    "   float s = colormap_s(clamp(x, 0.0, 1.0));\n"
                    "   float v = colormap_v(clamp(x, 0.0, 1.0));\n"
                    "   return colormap_hsv2rgb(h, s, v);\n"
                    "}\n");
            }
        };
 
    } // namespace IDL
} // namespace colormap