morning_glory.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 MorningGlory : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/transform_morning_glory.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("morning_glory");
            }
 
            std::string
            getCategory() const override
            {
                return std::string("transform");
            }
 
            std::string
            getSource() const override
            {
                return std::string(
                    "float colormap_red(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 0.0;\n"
                    "    } else if (x <= 1.0) {\n"
                    "        float xx = 270.9 * x + 0.7703;\n"
                    "        if (xx > 255.0) {\n"
                    "            return (510.0 - xx) / 266.0;\n"
                    "        } else {\n"
                    "            return xx / 255.0;\n"
                    "        }\n"
                    "    } else {\n"
                    "        return 239.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_green(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 124.0 / 255.0;\n"
                    "    } else if (x <= 1.0) {\n"
                    "        float xx = 180.0 * sin(x * 3.97 + 9.46) + 131.0;\n"
                    "        if (xx < 0.0) {\n"
                    "            return abs(xx) / 255.0;\n"
                    "        } else if (xx > 255.0) {\n"
                    "            return (510.0 - xx) / 255.0;\n"
                    "        } else {\n"
                    "            return xx / 255.0;\n"
                    "        }\n"
                    "    } else {\n"
                    "        return 242.0 / 255.0;\n"
                    "    }\n"
                    "}\n"
                    "\n"
                    "float colormap_blue(float x) {\n"
                    "    if (x < 0.0) {\n"
                    "        return 78.0 / 255.0;\n"
                    "    } else if (x <= 1.0e0) {\n"
                    "        return (95.0 * sin((x - 0.041) * 7.46) + 106.9) / 255.0;\n"
                    "    } else {\n"
                    "        return 179.0 / 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