// perform crop, deskew, fill background ...
//
// Date:    2024-01-24
#pragma once

#include <imgprc/img_processor.h>
#include <map>
#include <base/paper.h>

class auto_crop : public image_processor
{
    bool    crop_ = true;       // auto crop
    bool    deskew_ = true;
    bool    fill_bg_ = true;
    bool    convex_ = true;
    bool    fill_clr_ = false;
    int     threshold_ = 40;
    int     indent_ = 5;
    int     noise_ = 8;
    SIZE    fixed_paper_ = {0, 0};
    bool    lateral_ = false;

    std::map<std::string, std::function<void(void*)>>   opt_handler_;

    void init(void);
    int work(PROCIMGINFO& in, PROCIMGINFO& out);

public:
    auto_crop(bool weaker = false);

protected:
    ~auto_crop();

public:
	virtual int set_value(const char* name/*nullptr for all options*/, void* val/*nullptr for restore*/) override;

public:
    virtual image_processor* copy_weaker(void) override;
	virtual int process(std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) override;
};