purple_haze.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 PurpleHaze : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/transform_purple_haze.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_haze");
            }
 
            std::string getCategory() const override
            {
                return std::string("transform");
            }
 
            std::string getSource() const override
            {
                return std::string(
                           "float colormap_e = exp(1.0);\n"
                           "\n"
                           "float colormap_red(float x) {\n"
                           "    if (x < 0.0) {\n"
                           "        return 13.0 / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1) {\n"
                           "        return (706.48 * x + 13.06) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 149.0 / 510.0) {\n"
                           "        return (166.35 * x + 28.3) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 298.0 / 510.0) {\n"
                           "        return (313.65 * x - 47.179) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.05 + 202.0 / 255.0) {\n"
                           "        return (557.93 * x - 310.05) / 255.0;\n"
                           "    } else if (x <= 1.0) {\n"
                           "        return (319.64 * x + 439093.0 / 34000.0 * colormap_e - 1030939.0 / 8500.0) / 255.0;\n"
                           "    } else {\n"
                           "        return 249.0 / 255.0;\n"
                           "     }\n"
                           "}\n"
                           "\n"
                           "float colormap_green(float x) {\n"
                           "    if (x < colormap_e * 0.1) {\n"
                           "        return 0.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 149.0 / 510.0) {\n"
                           "        return ((3166.59 / 14.9 * colormap_e + 2098.7 / 74.5) * x - (316.659 / 14.9 * colormap_e + 209.87 / 74.5) * colormap_e) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 298.0 / 510.0) {\n"
                           "        return (725.0 * x - 394.35) / 255.0;\n"
                           "    } else if (x <= 1.0) {\n"
                           "        return (-716.23 * x + 721.38) / 255.0;\n"
                           "    } else {\n"
                           "        return 5.0 / 255.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_blue(float x) {\n"
                           "    if (x < 0.0) {\n"
                           "        return 16.0 / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1) {\n"
                           "        return (878.72 * x + 16.389) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 149.0 / 510.0) {\n"
                           "        return (-166.35 * x + 227.7) / 255.0;\n"
                           "    } else if (x < colormap_e * 0.1 + 298.0 / 510.0) {\n"
                           "        return (-317.2 * x + 305.21) / 255.0;\n"
                           "    } else if (x < 1.0) {\n"
                           "        return ((1530.0 / (212.0 -51.0 * colormap_e)) * x + (153.0 * colormap_e + 894.0) / (51.0 * colormap_e - 212.0)) / 255.0;\n"
                           "    } else {\n"
                           "        return 2.0 / 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