#pragma once

#include "core/effect.hpp"

namespace effector {

// Finds runs of pixels whose brightness lies between two thresholds and sorts
// each run by brightness, hue or saturation, which makes the image drip.
// A pure transform: it needs no source images, and leading a chain with
// sources loaded it starts from a crop of a randomly chosen one.
class PixelSortEffect : public Effect {
public:
    std::string name() const override { return "pixelsort"; }
    std::string title() const override { return "Pixel sort"; }
    std::string description() const override {
        return "Sorts the runs of pixels whose brightness lies between two thresholds, along "
               "rows or columns, so the image melts and drips.";
    }
    const std::vector<ParamSpec>& params() const override;
    bool needsSources() const override { return false; }

    Image render(const std::vector<Image>& sources, int width, int height, Rng& rng,
                 const ParamValues& values) const override;
};

}  // namespace effector