FloodFiller.hpp

#pragma once
#include "resources/Texture.hpp"
#include "resources/ResourcesManager.hpp"
#include "Common.hpp"
 
class FloodFiller {
 
public:
    enum class Output {
        COLOR,
        DISTANCE
    };
 
    FloodFiller(uint width, uint height);
 
    void process(const Texture& texture, Output mode);
 
    void resize(uint width, uint height);
 
    const Texture * texture() const { return &_final; }
 
private:
    Texture* extractAndPropagate(const Texture& texture);
 
    Program * _extract;      
    Program * _floodfill;        
    Program * _compositeColor; 
    Program * _compositeDist;  
 
    Texture _ping;  
    Texture _pong;  
    Texture _final; 
 
    int _iterations; 
};