ParseJson() [2/2]

bool fl::ScreenMap::ParseJson ( const char * jsonStrScreenMap, FixedMap< Str, ScreenMap, 16 > * segmentMaps, Str * err = nullptr )

static

Definition at line 51 of file screenmap.cpp.

                                                                               {
#if !FASTLED_ENABLE_JSON
    if (err) {
        *err = "JSON not enabled";
    }
    return false;
#else
    JsonDocument doc;
    Str _err;
    if (!err) {
        err = &_err;
    }
 
    bool ok = parseJson(jsonStrScreenMap, &doc, err);
    if (!ok) {
        FASTLED_WARN("Failed to parse json: " << err->c_str());
        return false;
    }
    auto map = doc["map"];
    for (auto kv : map.as<FLArduinoJson::JsonObject>()) {
        auto segment = kv.value();
        auto x = segment["x"];
        auto y = segment["y"];
        auto obj = segment["diameter"];
        float diameter = -1.0f;
        if (obj.is<float>()) {
            float d = obj.as<float>();
            if (d > 0.0f) {
                diameter = d;
            }
        }
        auto n = x.size();
        ScreenMap segment_map(n, diameter);
        for (uint16_t j = 0; j < n; j++) {
            segment_map.set(j, vec2f{x[j], y[j]});
        }
        segmentMaps->insert(kv.key().c_str(), segment_map);
    }
    return true;
#endif
}

References ScreenMap(), fl::StrN< SIZE >::c_str(), FASTLED_WARN, fl::FixedMap< Key, Value, N >::insert(), fl::parseJson(), set(), x, and y.

Referenced by ParseJson(), fl::FileSystem::readScreenMap(), fl::FileSystem::readScreenMaps(), and setup().

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