apricot.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 Apricot : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/transform_apricot.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("apricot");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("transform");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_pi = 3.141592653589793;\n"
                    "\n"
                    "float colormap_f(float x, float c) {\n"
                    "    return abs((((-5.563e-5 * x + 3.331e-16) * x + 3.045e-1) * x + 4.396e-12) "
                    "* x + c);\n"
                    "}\n"
                    "\n"
                    "float colormap_f2(float x) {\n"
                    "    return 262.0 * x + 12.0 * x * sin(((x - 8.0) * x + 66.0 * colormap_pi) * "
                    "x);\n"
                    "}\n"
                    "\n"
                    "float colormap_red(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 0.0;\n"
                    "    } else if (x < 1.0) {\n"
                    "        float r = colormap_f2(x);\n"
                    "        if (r > 255.0) {\n"
                    "            r = 510.0 - r;\n"
                    "        }\n"
                    "        return r / 255.0;\n"
                    "    } else {\n"
                    "        return 1.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 0.0;\n"
                    "    } else if (x < 1.0) {\n"
                    "        return (109.0 * x + 25.0 * sin(9.92 * colormap_pi * x) * x) / 255.0;\n"
                    "    } else {\n"
                    "        return 102.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "    float b = 0.0;\n"
                    "    x = x * 256.0;\n"
                    "\n"
                    "    if (x < 0.0) {\n"
                    "        b = 241.0 / 255.0;\n"
                    "    } else if (x < 66.82) {\n"
                    "        b = colormap_f(x - 32.0, -27.0);\n"
                    "        if (x > 32.0 && b > 225.0) {\n"
                    "            b = b - 10.0;\n"
                    "        }\n"
                    "    } else if (x < 126.67) {\n"
                    "        b = colormap_f(x - 97.0, 30.0);\n"
                    "    } else if (x < 195.83) {\n"
                    "        b = colormap_f(x - 161.0, -27.0);\n"
                    "        if (x > 161.0 && b > 225.0) {\n"
                    "            b -= 10.0;\n"
                    "        }\n"
                    "    } else if (x < 256.0) {\n"
                    "        b = colormap_f(x - 226.0, 30.0);\n"
                    "    } else {\n"
                    "        b = 251.0;\n"
                    "    }\n"
                    "    if (b > 255.0) {\n"
                    "        b = 255.0;\n"
                    "    }\n"
                    "\n"
                    "    return b / 255.0;\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