Method encode

arch/macintosh/encoder.cc:223–249

public:
    std::unique_ptr<Fluxmap> encode(const LogicalTrackLayout& ltl,
        const std::vector<std::shared_ptr<const Sector>>& sectors,
        const Image& image) override
    {
        double clockRateUs = clockRateUsForTrack(ltl.logicalCylinder);
        int bitsPerRevolution = 200000.0 / clockRateUs;
        std::vector<bool> bits(bitsPerRevolution);
        unsigned cursor = 0;

        fillBitmapTo(bits,
            cursor,
            _config.post_index_gap_us() / clockRateUs,
            {true, false});
        lastBit = false;

        for (const auto& sector : sectors)
            write_sector(bits, cursor, sector);

        if (cursor >= bits.size())
            error("track data overrun by {} bits", cursor - bits.size());
        fillBitmapTo(bits, cursor, bits.size(), {true, false});

        std::unique_ptr<Fluxmap> fluxmap(new Fluxmap);
        fluxmap->appendBits(
            bits, calculatePhysicalClockPeriod(clockRateUs * 1e3, 200e6));
        return fluxmap;
    }

private:
    const MacintoshEncoderProto& _config;