ether.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 transform
    {
 
        class Ether : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/transform_ether.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("ether");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("transform");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_f(float x, float b) {\n"
                    "    float x2 = x * x;\n"
                    "    return ((-1.89814e5 * x2 + 1.50967e4) * x2 + b) / 255.0;\n"
                    "}\n"
                    "\n"
                    "float colormap_f2(float x, float b) {\n"
                    "    float x2 = x * x;\n"
                    "    return ((1.88330e5 * x2 - 1.50839e4) * x2 + b) / 255.0;\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "    if (x < 0.0e0) {\n"
                    "        return 246.0 / 255.0;\n"
                    "    } else if (x < 0.25) {\n"
                    "        return colormap_f(x - 32.0 / 256.0, 65.0);\n"
                    "    } else if (x < 130.0 / 256.0) {\n"
                    "        return colormap_f2(x - 97.0 / 256.0, 190.0);\n"
                    "    } else if (x < 193.0 / 256.0) {\n"
                    "        return colormap_f(x - 161.0 / 256.0, 65.0);\n"
                    "    } else if (x < 1.0) {\n"
                    "        return colormap_f2(x - 226.0 / 256.0, 190.0);\n"
                    "    } else {\n"
                    "        return 18.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 0.0;\n"
                    "    } else if (x < 0.20615790927912) {\n"
                    "        return ((((-3.81619e4 * x - 2.94574e3) * x + 2.61347e3) * x - "
                    "7.92183e1) * x) / 255.0;\n"
                    "    } else if (x < 0.54757171958025) {\n"
                    "        return (((((2.65271e5 * x - 4.14808e5) * x + 2.26118e5) * x - "
                    "5.16491e4) * x + 5.06893e3) * x - 1.80630e2) / 255.0;\n"
                    "    } else if (x < 0.71235558668792) {\n"
                    "        return ((((1.77058e5 * x - 4.62571e5) * x + 4.39628e5) * x - "
                    "1.80143e5) * x + 2.68555e4) / 255.0;\n"
                    "    } else if (x < 1.0) {\n"
                    "        float xx = ((((1.70556e5 * x - 6.20429e5) * x + 8.28331e5) * x - "
                    "4.80913e5) * x + 1.02608e5);\n"
                    "        if (xx > 255.0) {\n"
                    "            return (510.0 - xx) / 255.0;\n"
                    "        } else {\n"
                    "            return xx / 255.0;\n"
                    "        }\n"
                    "    } else {\n"
                    "        return 154.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_red(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 2.0 / 255.0;\n"
                    "    } else if (x < 1.0) {\n"
                    "        float xx = 2.83088e2 * x + 8.17847e-1;\n"
                    "        if (xx > 255.0) {\n"
                    "            return (510.0 - xx) / 255.0;\n"
                    "        } else {\n"
                    "            return xx / 255.0;\n"
                    "        }\n"
                    "    } else {\n"
                    "        return 226.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "vec4 colormap(float x) {\n"
                    "    return vec4(colormap_red(x), colormap_green(x), colormap_blue(x), 1.0);\n"
                    "}\n");
            }
        };
 
    } // namespace transform
} // namespace colormap