blinky-esp/main/presets.cpp

#include <map>

#include "presets.hpp"


namespace Gradients {

#define GRADIENT(name, len, ...) \
    constexpr Gradient name = { \
        .n_colors = len, \
        .colors = __VA_ARGS__, \
    }

GRADIENT(rainbow, 6, {
    Colors::red,
    Colors::orange,
    Colors::yellow,
    Colors::green,
    Colors::blue,
    Colors::purple,
});

GRADIENT(peacock, 4, {
    Colors::teal,
    Colors::black,
    Colors::purple,
    Colors::blue,
});

} // Gradients


namespace Patterns {

#define PATTERN(x) \
    static const Pattern x = { \
        .cycle_length = 20, \
        .cycle_time_ms = 10000, \
        .reverse = false, \
        .march = false, \
        .gradient = Gradients::x, \
    }

PATTERN(rainbow);
PATTERN(peacock);

} // Patterns


#define PRESET(x) {#x, &Patterns::x}

static const std::map <std::string, const Pattern*> presets = {
    PRESET(rainbow),
    PRESET(peacock),
};

const Pattern* Presets::find(const std::string &name) {
    auto e = presets.find(name);
    return e == presets.end() ? NULL : e->second;
}