#pragma once

// image processor
//
// created on 2023-11-07
//
// ver:		1.0
//
// NOTE:	the interface is for all algorithms are in ONE module

#include <base/packet.h>
#include <sane_opt_json/base_opt.h>
#include <opencv2/opencv.hpp>

#pragma pack(push)
#pragma pack(1)

typedef struct _proc_img_info_
{
	PACKIMAGE	info;
	cv::Mat		img;
	std::string	ext_info;				// 图片扩展信息（图像处理过程中可以保存各算法间的共有信息；处理完后为向用户提供的扩展信息）
}PROCIMGINFO, *LPPROCIMGINFO;

typedef struct _proc_img_info_modules	// 跨模块参数
{
	PACKIMAGE	info;
	uint32_t	bytes_per_line;
	uint8_t*	data;					// size = bytes_per_line * height
}PROCIIM, *LPPROCIIM;
#pragma pack(pop)
typedef std::shared_ptr<std::vector<char>>	dcptr;


class image_processor : public sane_opt_provider
{
protected:
	bool	enabled_;
	int		ver_;
	int		pos_;

public:
	image_processor(const char* alg_name);

protected:
	virtual ~image_processor();

	bool set_opt_json_text(char* txt);

public:
	bool is_enable(void) { return enabled_; }
	int get_version(void) { return ver_; }
	int get_position(void) { return pos_; }
	
	virtual image_processor* copy_weaker(void) = 0;

	virtual int process(std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) = 0;

	// 跨模块图像处理接口。回调函数返回false，则停止处理；void*参数同 'param'。
	virtual int process(LPPROCIIM* in, size_t cnt, bool(*result)(LPPROCIIM, void*), void* param);
};