Hardcandy.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 Hardcandy : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/IDL_Hardcandy.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("Hardcandy");
            }
 
            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"
                    "   float v = sin(2.0 * pi * (1.0 / (2.0 * 0.143365330321852)) * x + 1.55) * "
                    "(322.0 * x) + 191.0 * x;\n"
                    "   if (v < 0.0) {\n"
                    "       v = -v;\n"
                    "   } else if (v > 255.0) {\n"
                    "       v = 255.0 - (v - 255.0);\n"
                    "   }\n"
                    "   return v;\n"
                    "}\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "   const float pi = 3.141592653589793238462643383279502884197169399;\n"
                    "   float v = sin(2.0 * pi / 0.675 * (x + 0.015)) * 190.0 + 25.0;\n"
                    "   if (v < 0.0) {\n"
                    "       return -v;\n"
                    "   } else {\n"
                    "       return v;\n"
                    "   }\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "   const float pi = 3.141592653589793238462643383279502884197169399;\n"
                    "   return sin(2.0 * pi * (x * -3.45 - 0.02)) * 127.5 + 127.5;\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