hsv.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 MATLAB
    {
 
        class Hsv : public Colormap
        {
        private:
            class Wrapper : public WrapperBase
            {
            public:
#ifdef float
#error "TODO"
#endif
#define float local_real_t
#include "../../../../shaders/glsl/MATLAB_hsv.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("hsv");
            }
 
            std::string getCategory() const override
            {
                return std::string("MATLAB");
            }
 
            std::string getSource() const override
            {
                return std::string(
                           "float colormap_red(float x) {\n"
                           "    if (x < 0.5) {\n"
                           "        return -6.0 * x + 67.0 / 32.0;\n"
                           "    } else {\n"
                           "        return 6.0 * x - 79.0 / 16.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_green(float x) {\n"
                           "    if (x < 0.4) {\n"
                           "        return 6.0 * x - 3.0 / 32.0;\n"
                           "    } else {\n"
                           "        return -6.0 * x + 79.0 / 16.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "float colormap_blue(float x) {\n"
                           "    if (x < 0.7) {\n"
                           "       return 6.0 * x - 67.0 / 32.0;\n"
                           "    } else {\n"
                           "       return -6.0 * x + 195.0 / 32.0;\n"
                           "    }\n"
                           "}\n"
                           "\n"
                           "vec4 colormap(float x) {\n"
                           "    float r = clamp(colormap_red(x), 0.0, 1.0);\n"
                           "    float g = clamp(colormap_green(x), 0.0, 1.0);\n"
                           "    float b = clamp(colormap_blue(x), 0.0, 1.0);\n"
                           "    return vec4(r, g, b, 1.0);\n"
                           "}\n"
                       );
            }
        };
 
    } // namespace MATLAB
} // namespace colormap